[INFO] cloning repository https://github.com/simonegiacomelli/rust-pairing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simonegiacomelli/rust-pairing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonegiacomelli%2Frust-pairing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonegiacomelli%2Frust-pairing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d3b121792238cfda5653b7f7b6ef8305f85fbe5
[INFO] testing simonegiacomelli/rust-pairing against beta-2025-02-28 for beta-1.86-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonegiacomelli%2Frust-pairing" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simonegiacomelli/rust-pairing on toolchain beta-2025-02-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simonegiacomelli/rust-pairing
[INFO] finished tweaking git repo https://github.com/simonegiacomelli/rust-pairing
[INFO] tweaked toml for git repo https://github.com/simonegiacomelli/rust-pairing written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/simonegiacomelli/rust-pairing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a8fcf6bbba122b42d990f4be40cc154cfca6f4a45efab8885d06cc9199d26b3
[INFO] running `Command { std: "docker" "start" "-a" "8a8fcf6bbba122b42d990f4be40cc154cfca6f4a45efab8885d06cc9199d26b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a8fcf6bbba122b42d990f4be40cc154cfca6f4a45efab8885d06cc9199d26b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8fcf6bbba122b42d990f4be40cc154cfca6f4a45efab8885d06cc9199d26b3", kill_on_drop: false }`
[INFO] [stdout] 8a8fcf6bbba122b42d990f4be40cc154cfca6f4a45efab8885d06cc9199d26b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bf2329c0c19a8d422b447d1fef126af4218f72adeeee0aa987efbc0ddd5df64
[INFO] running `Command { std: "docker" "start" "-a" "8bf2329c0c19a8d422b447d1fef126af4218f72adeeee0aa987efbc0ddd5df64", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling openssl-sys v0.9.84
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling openssl v0.10.49
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]    Compiling syn v2.0.13
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling crypto-bigint v0.3.2
[INFO] [stderr]    Compiling pem-rfc7468 v0.3.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling const-oid v0.7.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling der v0.5.1
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling zeroize v1.6.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling num-bigint-dig v0.8.2
[INFO] [stderr]    Compiling spki v0.5.4
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling cpufeatures v0.2.6
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling pkcs8 v0.8.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling libsqlite3-sys v0.24.2
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling tokio-macros v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling pin-project v1.0.12
[INFO] [stderr]    Compiling pkcs1 v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling crc-catalog v2.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling crc v3.0.1
[INFO] [stderr]    Compiling sqlformat v0.2.1
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling hkdf v0.12.3
[INFO] [stderr]    Compiling rsa v0.6.1
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling futures-intrusive v0.4.2
[INFO] [stderr]    Compiling futures-executor v0.3.28
[INFO] [stderr]    Compiling regex v1.7.3
[INFO] [stderr]    Compiling hashlink v0.8.1
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling sha1 v0.10.5
[INFO] [stderr]    Compiling atoi v1.0.0
[INFO] [stderr]    Compiling md-5 v0.10.5
[INFO] [stderr]    Compiling encoding_rs v0.8.32
[INFO] [stderr]    Compiling whoami v1.4.0
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling uuid v1.3.0
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]    Compiling sqlx-rt v0.6.3
[INFO] [stderr]    Compiling tokio-stream v0.1.12
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling sqlx-core v0.6.3
[INFO] [stderr]    Compiling sqlx-macros v0.6.3
[INFO] [stderr]    Compiling sqlx v0.6.3
[INFO] [stderr]    Compiling rust-pairing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter::Map`
[INFO] [stdout]  --> src/properties.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/bin/rc.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let b = Cons(3, Rc::clone(&a));
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/bin/rc.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let c = Cons(4, Rc::clone(&a));
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `z` are never read
[INFO] [stdout]  --> src/bin/destructuring_struct.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Point {
[INFO] [stdout]   |        ----- fields in this struct
[INFO] [stdout] 2 |     x: i32,
[INFO] [stdout]   |     ^
[INFO] [stdout] 3 |     y: i32,
[INFO] [stdout] 4 |     z: i32,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/bin/rc.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Cons(i32, Rc<List>),
[INFO] [stdout]   |     ---- ^^^  ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 6 -     Cons(i32, Rc<List>),
[INFO] [stdout] 6 +     Cons((), ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]  --> src/bin/modules.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub struct Breakfast {
[INFO] [stdout]   |                --------- field in this struct
[INFO] [stdout] 3 |         pub toast: String,
[INFO] [stdout] 4 |         seasonal_fruit: String,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/bin/drop.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let c = CustomSmartPointer {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/bin/drop.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let d = CustomSmartPointer {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]  --> src/bin/macro.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let v = vec1![1,2,3];
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `user1` is never read
[INFO] [stdout]   --> src/bin/struct_mut.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     user1 = User {
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `active`, `username`, and `sign_in_count` are never read
[INFO] [stdout]  --> src/bin/struct_mut.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct User {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 2 |     active: bool,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 3 |     username: String,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     email: String,
[INFO] [stdout] 5 |     sign_in_count: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/enum.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 |     enum WebEvent { WELoad(bool), WEClick(MouseClick), WEKeys(KeyPress) }
[INFO] [stdout]    |                     ------ ^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WebEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 14 -     enum WebEvent { WELoad(bool), WEClick(MouseClick), WEKeys(KeyPress) }
[INFO] [stdout] 14 +     enum WebEvent { WELoad(()), WEClick(MouseClick), WEKeys(KeyPress) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/enum.rs:14:43
[INFO] [stdout]    |
[INFO] [stdout] 14 |     enum WebEvent { WELoad(bool), WEClick(MouseClick), WEKeys(KeyPress) }
[INFO] [stdout]    |                                   ------- ^^^^^^^^^^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WebEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 14 -     enum WebEvent { WELoad(bool), WEClick(MouseClick), WEKeys(KeyPress) }
[INFO] [stdout] 14 +     enum WebEvent { WELoad(bool), WEClick(()), WEKeys(KeyPress) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/enum.rs:14:63
[INFO] [stdout]    |
[INFO] [stdout] 14 |     enum WebEvent { WELoad(bool), WEClick(MouseClick), WEKeys(KeyPress) }
[INFO] [stdout]    |                                                        ------ ^^^^^^^^
[INFO] [stdout]    |                                                        |
[INFO] [stdout]    |                                                        field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WebEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 14 -     enum WebEvent { WELoad(bool), WEClick(MouseClick), WEKeys(KeyPress) }
[INFO] [stdout] 14 +     enum WebEvent { WELoad(bool), WEClick(MouseClick), WEKeys(()) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `result` is assigned to, but never used
[INFO] [stdout]  --> src/bin/lifetime.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let result;
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_result` instead
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/bin/lifetime.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         result = longest(string1.as_str(), string2.as_str());
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_1`
[INFO] [stdout]   --> src/bin/fn_trait.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let example_1 = double_then_f(5, |n| n + 1);
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_2`
[INFO] [stdout]   --> src/bin/fn_trait.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let example_2 = double_then_f(5, |n| n + dynamic_value);
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_3`
[INFO] [stdout]   --> src/bin/fn_trait.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let example_3 = double_then_f(5, move |n| n + h.x);
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]  --> src/bin/file.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::{File, OpenOptions};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]  --> src/bin/file.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |         Ok(f) => { println!("Ok") }
[INFO] [stdout]   |            ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/bin/fn_move.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]  --> src/bin/fn_move.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Rectangle {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]   --> src/bin/string.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let s2 = s1;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Unit` is never constructed
[INFO] [stdout]  --> src/bin/struct.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     struct Unit;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/replace.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut s = "Hello foo!";
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/bin/ref_cycle.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Cons(i32, RefCell<Rc<List>>),
[INFO] [stdout]   |     ---- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     Cons(i32, RefCell<Rc<List>>),
[INFO] [stdout] 8 +     Cons((), RefCell<Rc<List>>),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `area` is never used
[INFO] [stdout]  --> src/bin/methods.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Rectangle {
[INFO] [stdout]   | -------------- method in this implementation
[INFO] [stdout] 8 |     fn area(&self) -> u32 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/lifetime2.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let i = ImportantExcerpt {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `part` is never read
[INFO] [stdout]  --> src/bin/lifetime2.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct ImportantExcerpt<'a> {
[INFO] [stdout]   |        ---------------- field in this struct
[INFO] [stdout] 2 |     part: &'a str,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `level` is never used
[INFO] [stdout]  --> src/bin/lifetime2.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl<'a> ImportantExcerpt<'a> {
[INFO] [stdout]   | ----------------------------- method in this implementation
[INFO] [stdout] 6 |     fn level(&self) -> i32 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `announce_and_return_part` is never used
[INFO] [stdout]   --> src/bin/lifetime2.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'a> ImportantExcerpt<'a> {
[INFO] [stdout]    | ----------------------------- method in this implementation
[INFO] [stdout] 12 |     fn announce_and_return_part(&self, announcement: &str) -> &str {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sqlx::mysql::MySqlPoolOptions`
[INFO] [stdout]  --> src/bin/sqlx_migrate.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sqlx::mysql::MySqlPoolOptions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/bin/display.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn x(x: impl Display) {}
[INFO] [stdout]   |      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/bin/display.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn y(x: impl Debug) {}
[INFO] [stdout]   |      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/bin/display.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn z(x: impl ToString) {}
[INFO] [stdout]   |      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `x` is never used
[INFO] [stdout]  --> src/bin/display.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn x(x: impl Display) {}
[INFO] [stdout]   |    ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `y` is never used
[INFO] [stdout]  --> src/bin/display.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn y(x: impl Debug) {}
[INFO] [stdout]   |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `z` is never used
[INFO] [stdout]  --> src/bin/display.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn z(x: impl ToString) {}
[INFO] [stdout]   |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r1`
[INFO] [stdout]  --> src/bin/borrow.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let r1 = &mut s;
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r2`
[INFO] [stdout]  --> src/bin/borrow.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let r2 = &mut s;
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_r2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i1`
[INFO] [stdout]  --> src/bin/ref_cell_panic.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let i1 = ref_cell.borrow();
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_i1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i1`
[INFO] [stdout]  --> src/bin/ref_cell_panic.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let i1 = ref_cell.borrow();
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_i1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]  --> src/bin/ref_cell_panic.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let m = ref_cell.borrow_mut();
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MIGRATOR` is never used
[INFO] [stdout]  --> src/bin/sqlx_migrate.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | static MIGRATOR: Migrator = sqlx::migrate!();
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/bin/serde.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]  --> src/bin/serde.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{File, OpenOptions};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/bin/methods_inner_context.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   | --------- move the `impl` block outside of this function `main`
[INFO] [stdout] ...
[INFO] [stdout] 6 |     impl Point {
[INFO] [stdout]   |     ^^^^^-----
[INFO] [stdout]   |          |
[INFO] [stdout]   |          `Point` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/bin/serde.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let data = "Some data!";
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/bin/serde.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let size = r.read_to_string(&mut str);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `debug` is never used
[INFO] [stdout]   --> src/bin/serde.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     impl Pippo {
[INFO] [stdout]    |     ---------- associated function in this implementation
[INFO] [stdout] 34 |         fn debug() -> String {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/bin/rc_strong_count.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let b = Cons(3, Rc::clone(&a));
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/bin/rc_strong_count.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let c = Cons(4, Rc::clone(&a));
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/bin/rc_strong_count.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Cons(i32, Rc<List>),
[INFO] [stdout]   |     ---- ^^^  ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 6 -     Cons(i32, Rc<List>),
[INFO] [stdout] 6 +     Cons((), ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]  --> src/bin/unit.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     x + 1;
[INFO] [stdout]   |     ^^^^^ the arithmetic operation produces a value
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let _ = x + 1;
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bin/arc.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/bin/arc.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bin/arc_mutex.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/spawn.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     th.join();
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let _ = th.join();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unwrap_or` is never used
[INFO] [stdout]  --> src/bin/match.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl<T> Option1<T> {
[INFO] [stdout]   | ------------------ method in this implementation
[INFO] [stdout] 7 |     fn unwrap_or(self, other: T) -> T {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/bin/if_unit.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let x = true;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::type_name`
[INFO] [stdout]  --> src/bin/sqlx_testbed.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::type_name;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sqlx::mysql::MySqlPoolOptions`
[INFO] [stdout]  --> src/bin/sqlx_testbed.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sqlx::mysql::MySqlPoolOptions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MIGRATOR` is never used
[INFO] [stdout]   --> src/bin/sqlx_testbed.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | static MIGRATOR: Migrator = sqlx::migrate!();
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.45s
[INFO] running `Command { std: "docker" "inspect" "8bf2329c0c19a8d422b447d1fef126af4218f72adeeee0aa987efbc0ddd5df64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf2329c0c19a8d422b447d1fef126af4218f72adeeee0aa987efbc0ddd5df64", kill_on_drop: false }`
[INFO] [stdout] 8bf2329c0c19a8d422b447d1fef126af4218f72adeeee0aa987efbc0ddd5df64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2c07e838035a65dcc59c8d705c08cfcba83ab8df722e11df1407d6fa1f7b19b
[INFO] running `Command { std: "docker" "start" "-a" "a2c07e838035a65dcc59c8d705c08cfcba83ab8df722e11df1407d6fa1f7b19b", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::iter::Map`
[INFO] [stdout]  --> src/properties.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust-pairing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter::Map`
[INFO] [stdout]  --> src/properties.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Map`
[INFO] [stdout]   --> src/properties.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use std::iter::Map;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/bin/methods_inner_context.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   | --------- move the `impl` block outside of this function `main`
[INFO] [stdout] ...
[INFO] [stdout] 6 |     impl Point {
[INFO] [stdout]   |     ^^^^^-----
[INFO] [stdout]   |          |
[INFO] [stdout]   |          `Point` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]  --> src/bin/unit.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     x + 1;
[INFO] [stdout]   |     ^^^^^ the arithmetic operation produces a value
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let _ = x + 1;
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/bin/drop.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let c = CustomSmartPointer {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/bin/drop.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let d = CustomSmartPointer {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unwrap_or` is never used
[INFO] [stdout]  --> src/bin/match.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl<T> Option1<T> {
[INFO] [stdout]   | ------------------ method in this implementation
[INFO] [stdout] 7 |     fn unwrap_or(self, other: T) -> T {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/bin/rc_strong_count.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let b = Cons(3, Rc::clone(&a));
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/bin/rc_strong_count.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let c = Cons(4, Rc::clone(&a));
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/bin/rc_strong_count.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Cons(i32, Rc<List>),
[INFO] [stdout]   |     ---- ^^^  ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 6 -     Cons(i32, Rc<List>),
[INFO] [stdout] 6 +     Cons((), ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `user1` is never read
[INFO] [stdout]   --> src/bin/struct_mut.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     user1 = User {
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `active`, `username`, and `sign_in_count` are never read
[INFO] [stdout]  --> src/bin/struct_mut.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct User {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 2 |     active: bool,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 3 |     username: String,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     email: String,
[INFO] [stdout] 5 |     sign_in_count: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `z` are never read
[INFO] [stdout]  --> src/bin/destructuring_struct.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Point {
[INFO] [stdout]   |        ----- fields in this struct
[INFO] [stdout] 2 |     x: i32,
[INFO] [stdout]   |     ^
[INFO] [stdout] 3 |     y: i32,
[INFO] [stdout] 4 |     z: i32,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]  --> src/bin/file.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::{File, OpenOptions};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]  --> src/bin/file.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |         Ok(f) => { println!("Ok") }
[INFO] [stdout]   |            ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_1`
[INFO] [stdout]   --> src/bin/fn_trait.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let example_1 = double_then_f(5, |n| n + 1);
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_2`
[INFO] [stdout]   --> src/bin/fn_trait.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let example_2 = double_then_f(5, |n| n + dynamic_value);
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_3`
[INFO] [stdout]   --> src/bin/fn_trait.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let example_3 = double_then_f(5, move |n| n + h.x);
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/bin/fn_move.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]  --> src/bin/fn_move.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Rectangle {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/spawn.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     th.join();
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let _ = th.join();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i1`
[INFO] [stdout]  --> src/bin/ref_cell_panic.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let i1 = ref_cell.borrow();
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_i1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i1`
[INFO] [stdout]  --> src/bin/ref_cell_panic.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let i1 = ref_cell.borrow();
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_i1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]  --> src/bin/ref_cell_panic.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let m = ref_cell.borrow_mut();
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]   --> src/bin/string.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let s2 = s1;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sqlx::mysql::MySqlPoolOptions`
[INFO] [stdout]  --> src/bin/sqlx_migrate.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sqlx::mysql::MySqlPoolOptions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bin/arc_mutex.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MIGRATOR` is never used
[INFO] [stdout]  --> src/bin/sqlx_migrate.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | static MIGRATOR: Migrator = sqlx::migrate!();
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/bin/serde.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]  --> src/bin/serde.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{File, OpenOptions};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/lifetime2.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let i = ImportantExcerpt {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `part` is never read
[INFO] [stdout]  --> src/bin/lifetime2.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct ImportantExcerpt<'a> {
[INFO] [stdout]   |        ---------------- field in this struct
[INFO] [stdout] 2 |     part: &'a str,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `level` is never used
[INFO] [stdout]  --> src/bin/lifetime2.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl<'a> ImportantExcerpt<'a> {
[INFO] [stdout]   | ----------------------------- method in this implementation
[INFO] [stdout] 6 |     fn level(&self) -> i32 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `announce_and_return_part` is never used
[INFO] [stdout]   --> src/bin/lifetime2.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'a> ImportantExcerpt<'a> {
[INFO] [stdout]    | ----------------------------- method in this implementation
[INFO] [stdout] 12 |     fn announce_and_return_part(&self, announcement: &str) -> &str {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/bin/serde.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let data = "Some data!";
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/bin/serde.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let size = r.read_to_string(&mut str);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/bin/ref_cycle.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Cons(i32, RefCell<Rc<List>>),
[INFO] [stdout]   |     ---- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     Cons(i32, RefCell<Rc<List>>),
[INFO] [stdout] 8 +     Cons((), RefCell<Rc<List>>),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r1`
[INFO] [stdout]  --> src/bin/borrow.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let r1 = &mut s;
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r2`
[INFO] [stdout]  --> src/bin/borrow.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let r2 = &mut s;
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_r2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]  --> src/bin/macro.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let v = vec1![1,2,3];
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/bin/rc.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let b = Cons(3, Rc::clone(&a));
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/bin/rc.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let c = Cons(4, Rc::clone(&a));
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/bin/rc.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Cons(i32, Rc<List>),
[INFO] [stdout]   |     ---- ^^^  ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 6 -     Cons(i32, Rc<List>),
[INFO] [stdout] 6 +     Cons((), ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]  --> src/bin/modules.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub struct Breakfast {
[INFO] [stdout]   |                --------- field in this struct
[INFO] [stdout] 3 |         pub toast: String,
[INFO] [stdout] 4 |         seasonal_fruit: String,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `area` is never used
[INFO] [stdout]  --> src/bin/methods.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Rectangle {
[INFO] [stdout]   | -------------- method in this implementation
[INFO] [stdout] 8 |     fn area(&self) -> u32 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/bin/display.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn x(x: impl Display) {}
[INFO] [stdout]   |      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/bin/display.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn y(x: impl Debug) {}
[INFO] [stdout]   |      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/bin/display.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn z(x: impl ToString) {}
[INFO] [stdout]   |      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `x` is never used
[INFO] [stdout]  --> src/bin/display.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn x(x: impl Display) {}
[INFO] [stdout]   |    ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `y` is never used
[INFO] [stdout]  --> src/bin/display.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn y(x: impl Debug) {}
[INFO] [stdout]   |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `z` is never used
[INFO] [stdout]  --> src/bin/display.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn z(x: impl ToString) {}
[INFO] [stdout]   |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/bin/if_unit.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let x = true;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/replace.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut s = "Hello foo!";
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bin/arc.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/bin/arc.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::type_name`
[INFO] [stdout]  --> src/bin/sqlx_testbed.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::type_name;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sqlx::mysql::MySqlPoolOptions`
[INFO] [stdout]  --> src/bin/sqlx_testbed.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sqlx::mysql::MySqlPoolOptions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `result` is assigned to, but never used
[INFO] [stdout]  --> src/bin/lifetime.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let result;
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_result` instead
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/bin/lifetime.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         result = longest(string1.as_str(), string2.as_str());
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MIGRATOR` is never used
[INFO] [stdout]   --> src/bin/sqlx_testbed.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | static MIGRATOR: Migrator = sqlx::migrate!();
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.98s
[INFO] running `Command { std: "docker" "inspect" "a2c07e838035a65dcc59c8d705c08cfcba83ab8df722e11df1407d6fa1f7b19b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c07e838035a65dcc59c8d705c08cfcba83ab8df722e11df1407d6fa1f7b19b", kill_on_drop: false }`
[INFO] [stdout] a2c07e838035a65dcc59c8d705c08cfcba83ab8df722e11df1407d6fa1f7b19b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2303bcf09bf16a47095310f3a76a7e88c4a108e60eb70168dd752d8b9dda1cbf
[INFO] running `Command { std: "docker" "start" "-a" "2303bcf09bf16a47095310f3a76a7e88c4a108e60eb70168dd752d8b9dda1cbf", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::iter::Map`
[INFO] [stderr]  --> src/properties.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::iter::Map;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::Map`
[INFO] [stderr]   --> src/properties.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     use std::iter::Map;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-pairing` (lib) generated 1 warning (run `cargo fix --lib -p rust-pairing` to apply 1 suggestion)
[INFO] [stderr] warning: `rust-pairing` (lib test) generated 2 warnings (1 duplicate) (run `cargo fix --lib -p rust-pairing --tests` to apply 1 suggestion)
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]  --> src/bin/methods_inner_context.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn main() {
[INFO] [stderr]   | --------- move the `impl` block outside of this function `main`
[INFO] [stderr] ...
[INFO] [stderr] 6 |     impl Point {
[INFO] [stderr]   |     ^^^^^-----
[INFO] [stderr]   |          |
[INFO] [stderr]   |          `Point` is not local
[INFO] [stderr]   |
[INFO] [stderr]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/bin/arc.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Mutex`
[INFO] [stderr]  --> src/bin/arc.rs:2:22
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `user1` is never read
[INFO] [stderr]   --> src/bin/struct_mut.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     user1 = User {
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `active`, `username`, and `sign_in_count` are never read
[INFO] [stderr]  --> src/bin/struct_mut.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct User {
[INFO] [stderr]   |        ---- fields in this struct
[INFO] [stderr] 2 |     active: bool,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 3 |     username: String,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 4 |     email: String,
[INFO] [stderr] 5 |     sign_in_count: u64,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `x` and `z` are never read
[INFO] [stderr]  --> src/bin/destructuring_struct.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Point {
[INFO] [stderr]   |        ----- fields in this struct
[INFO] [stderr] 2 |     x: i32,
[INFO] [stderr]   |     ^
[INFO] [stderr] 3 |     y: i32,
[INFO] [stderr] 4 |     z: i32,
[INFO] [stderr]   |     ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]  --> src/bin/if_unit.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let x = true;
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-pairing` (bin "methods_inner_context" test) generated 1 warning
[INFO] [stderr] warning: `rust-pairing` (bin "arc" test) generated 2 warnings (run `cargo fix --bin "arc" --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `rust-pairing` (bin "struct_mut" test) generated 2 warnings
[INFO] [stderr] warning: `rust-pairing` (bin "destructuring_struct" test) generated 1 warning
[INFO] [stderr] warning: `rust-pairing` (bin "if_unit" test) generated 1 warning
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]  --> src/bin/unit.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     x + 1;
[INFO] [stderr]   |     ^^^^^ the arithmetic operation produces a value
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let _ = x + 1;
[INFO] [stderr]   |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: method `area` is never used
[INFO] [stderr]  --> src/bin/methods.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | impl Rectangle {
[INFO] [stderr]   | -------------- method in this implementation
[INFO] [stderr] 8 |     fn area(&self) -> u32 {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]  --> src/bin/macro.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let v = vec1![1,2,3];
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `unwrap_or` is never used
[INFO] [stderr]  --> src/bin/match.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl<T> Option1<T> {
[INFO] [stderr]   | ------------------ method in this implementation
[INFO] [stderr] 7 |     fn unwrap_or(self, other: T) -> T {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-pairing` (bin "unit" test) generated 1 warning
[INFO] [stderr] warning: `rust-pairing` (bin "methods" test) generated 1 warning
[INFO] [stderr] warning: `rust-pairing` (bin "macro" test) generated 1 warning
[INFO] [stderr] warning: `rust-pairing` (bin "match" test) generated 1 warning
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/bin/drop.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let c = CustomSmartPointer {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]   --> src/bin/drop.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let d = CustomSmartPointer {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::any::type_name`
[INFO] [stderr]  --> src/bin/sqlx_testbed.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::any::type_name;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sqlx::mysql::MySqlPoolOptions`
[INFO] [stderr]  --> src/bin/sqlx_testbed.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use sqlx::mysql::MySqlPoolOptions;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static `MIGRATOR` is never used
[INFO] [stderr]   --> src/bin/sqlx_testbed.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | static MIGRATOR: Migrator = sqlx::migrate!();
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sqlx::mysql::MySqlPoolOptions`
[INFO] [stderr]  --> src/bin/sqlx_migrate.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use sqlx::mysql::MySqlPoolOptions;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static `MIGRATOR` is never used
[INFO] [stderr]  --> src/bin/sqlx_migrate.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | static MIGRATOR: Migrator = sqlx::migrate!();
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `example_1`
[INFO] [stderr]   --> src/bin/fn_trait.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let example_1 = double_then_f(5, |n| n + 1);
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `example_2`
[INFO] [stderr]   --> src/bin/fn_trait.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let example_2 = double_then_f(5, |n| n + dynamic_value);
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `example_3`
[INFO] [stderr]   --> src/bin/fn_trait.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let example_3 = double_then_f(5, move |n| n + h.x);
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r1`
[INFO] [stderr]  --> src/bin/borrow.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let r1 = &mut s;
[INFO] [stderr]   |         ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r2`
[INFO] [stderr]  --> src/bin/borrow.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let r2 = &mut s;
[INFO] [stderr]   |         ^^ help: if this is intentional, prefix it with an underscore: `_r2`
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-pairing` (bin "drop" test) generated 2 warnings
[INFO] [stderr] warning: `rust-pairing` (bin "sqlx_testbed" test) generated 3 warnings (run `cargo fix --bin "sqlx_testbed" --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `rust-pairing` (bin "sqlx_migrate" test) generated 2 warnings (run `cargo fix --bin "sqlx_migrate" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `rust-pairing` (bin "fn_trait" test) generated 3 warnings
[INFO] [stderr] warning: `rust-pairing` (bin "borrow" test) generated 2 warnings
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]  --> src/bin/file.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs::{File, OpenOptions};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]  --> src/bin/file.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |         Ok(f) => { println!("Ok") }
[INFO] [stderr]   |            ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/bin/lifetime2.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let i = ImportantExcerpt {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `part` is never read
[INFO] [stderr]  --> src/bin/lifetime2.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct ImportantExcerpt<'a> {
[INFO] [stderr]   |        ---------------- field in this struct
[INFO] [stderr] 2 |     part: &'a str,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `level` is never used
[INFO] [stderr]  --> src/bin/lifetime2.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | impl<'a> ImportantExcerpt<'a> {
[INFO] [stderr]   | ----------------------------- method in this implementation
[INFO] [stderr] 6 |     fn level(&self) -> i32 {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `announce_and_return_part` is never used
[INFO] [stderr]   --> src/bin/lifetime2.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl<'a> ImportantExcerpt<'a> {
[INFO] [stderr]    | ----------------------------- method in this implementation
[INFO] [stderr] 12 |     fn announce_and_return_part(&self, announcement: &str) -> &str {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-pairing` (bin "file" test) generated 2 warnings (run `cargo fix --bin "file" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `rust-pairing` (bin "lifetime2" test) generated 4 warnings
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/bin/arc_mutex.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/bin/rc.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let b = Cons(3, Rc::clone(&a));
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/bin/rc.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let c = Cons(4, Rc::clone(&a));
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0` and `1` are never read
[INFO] [stderr]  --> src/bin/rc.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Cons(i32, Rc<List>),
[INFO] [stderr]   |     ---- ^^^  ^^^^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     fields in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stderr]   |
[INFO] [stderr] 6 -     Cons(i32, Rc<List>),
[INFO] [stderr] 6 +     Cons((), ()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/bin/rc_strong_count.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let b = Cons(3, Rc::clone(&a));
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/bin/rc_strong_count.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let c = Cons(4, Rc::clone(&a));
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0` and `1` are never read
[INFO] [stderr]  --> src/bin/rc_strong_count.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Cons(i32, Rc<List>),
[INFO] [stderr]   |     ---- ^^^  ^^^^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     fields in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stderr]   |
[INFO] [stderr] 6 -     Cons(i32, Rc<List>),
[INFO] [stderr] 6 +     Cons((), ()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-pairing` (bin "arc_mutex" test) generated 1 warning (run `cargo fix --bin "arc_mutex" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `rust-pairing` (bin "rc" test) generated 3 warnings
[INFO] [stderr] warning: `rust-pairing` (bin "rc_strong_count" test) generated 3 warnings
[INFO] [stderr] warning: unused variable: `i1`
[INFO] [stderr]  --> src/bin/ref_cell_panic.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let i1 = ref_cell.borrow();
[INFO] [stderr]   |         ^^ help: if this is intentional, prefix it with an underscore: `_i1`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i1`
[INFO] [stderr]  --> src/bin/ref_cell_panic.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let i1 = ref_cell.borrow();
[INFO] [stderr]   |         ^^ help: if this is intentional, prefix it with an underscore: `_i1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]  --> src/bin/ref_cell_panic.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let m = ref_cell.borrow_mut();
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]  --> src/bin/display.rs:5:6
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn x(x: impl Display) {}
[INFO] [stderr]   |      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]  --> src/bin/display.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn y(x: impl Debug) {}
[INFO] [stderr]   |      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]  --> src/bin/display.rs:9:6
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn z(x: impl ToString) {}
[INFO] [stderr]   |      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: function `x` is never used
[INFO] [stderr]  --> src/bin/display.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn x(x: impl Display) {}
[INFO] [stderr]   |    ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `y` is never used
[INFO] [stderr]  --> src/bin/display.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn y(x: impl Debug) {}
[INFO] [stderr]   |    ^
[INFO] [stderr] 
[INFO] [stderr] warning: function `z` is never used
[INFO] [stderr]  --> src/bin/display.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn z(x: impl ToString) {}
[INFO] [stderr]   |    ^
[INFO] [stderr] 
[INFO] [stderr] warning: field `seasonal_fruit` is never read
[INFO] [stderr]  --> src/bin/modules.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     pub struct Breakfast {
[INFO] [stderr]   |                --------- field in this struct
[INFO] [stderr] 3 |         pub toast: String,
[INFO] [stderr] 4 |         seasonal_fruit: String,
[INFO] [stderr]   |         ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/bin/ref_cycle.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Cons(i32, RefCell<Rc<List>>),
[INFO] [stderr]   |     ---- ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 8 -     Cons(i32, RefCell<Rc<List>>),
[INFO] [stderr] 8 +     Cons((), RefCell<Rc<List>>),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-pairing` (bin "ref_cell_panic" test) generated 3 warnings
[INFO] [stderr] warning: `rust-pairing` (bin "display" test) generated 6 warnings
[INFO] [stderr] warning: `rust-pairing` (bin "modules" test) generated 1 warning
[INFO] [stderr] warning: `rust-pairing` (bin "ref_cycle" test) generated 1 warning
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/bin/fn_move.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Rectangle` is never constructed
[INFO] [stderr]  --> src/bin/fn_move.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Rectangle {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/bin/serde.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]  --> src/bin/serde.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::{File, OpenOptions};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/bin/serde.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let data = "Some data!";
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]   --> src/bin/serde.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let size = r.read_to_string(&mut str);
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `result` is assigned to, but never used
[INFO] [stderr]  --> src/bin/lifetime.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let result;
[INFO] [stderr]   |         ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider using `_result` instead
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]  --> src/bin/lifetime.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |         result = longest(string1.as_str(), string2.as_str());
[INFO] [stderr]   |         ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s2`
[INFO] [stderr]   --> src/bin/string.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let s2 = s1;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/bin/replace.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let mut s = "Hello foo!";
[INFO] [stderr]   |         ----^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-pairing` (bin "fn_move" test) generated 2 warnings (run `cargo fix --bin "fn_move" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `rust-pairing` (bin "serde" test) generated 4 warnings (run `cargo fix --bin "serde" --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `rust-pairing` (bin "lifetime" test) generated 2 warnings
[INFO] [stderr] warning: `rust-pairing` (bin "string" test) generated 1 warning
[INFO] [stderr] warning: `rust-pairing` (bin "replace" test) generated 1 warning (run `cargo fix --bin "replace" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/bin/spawn.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     th.join();
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let _ = th.join();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-pairing` (bin "spawn" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_pairing-cc7683fd32c65643)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test properties::test::test ... ok
[INFO] [stdout] test properties::test::test_empty_lines ... ok
[INFO] [stdout] test properties::test::test_eq_blank ... ok
[INFO] [stdout] test properties::test::test_without_equal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/arc.rs (/opt/rustwide/target/debug/deps/arc-2db2218a7682fc2b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/arc_mutex.rs (/opt/rustwide/target/debug/deps/arc_mutex-a8f21b29a812801d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/array.rs (/opt/rustwide/target/debug/deps/array-2fd7f57301b5e8e8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/borrow.rs (/opt/rustwide/target/debug/deps/borrow-d9469aaa1af2fc2b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/box2.rs (/opt/rustwide/target/debug/deps/box2-cb759b2ddb16330b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/chars.rs (/opt/rustwide/target/debug/deps/chars-ad92650e6289f600)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/destructuring_struct.rs (/opt/rustwide/target/debug/deps/destructuring_struct-8ea3032ff7c7619c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/display.rs (/opt/rustwide/target/debug/deps/display-285ac52129d938b8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/drop.rs (/opt/rustwide/target/debug/deps/drop-a178f4770514e343)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/drop_early.rs (/opt/rustwide/target/debug/deps/drop_early-a19f4661ab63d54d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/enum.rs (/opt/rustwide/target/debug/deps/enum-6c184a4939d40ba6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/file.rs (/opt/rustwide/target/debug/deps/file-4370cca5de679dd6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/fn_match.rs (/opt/rustwide/target/debug/deps/fn_match-60a71b48f75b5912)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/fn_move.rs (/opt/rustwide/target/debug/deps/fn_move-3c3f1fdb405e69c6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/fn_mut.rs (/opt/rustwide/target/debug/deps/fn_mut-f1de8e2334075561)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/fn_trait.rs (/opt/rustwide/target/debug/deps/fn_trait-144cb3962b3c3dda)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/for_in.rs (/opt/rustwide/target/debug/deps/for_in-51357d8c89e27d21)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/if_let.rs (/opt/rustwide/target/debug/deps/if_let-8c6588dcab4e00ac)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/if_unit.rs (/opt/rustwide/target/debug/deps/if_unit-cd818f9b1ca891fa)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/ip_parse.rs (/opt/rustwide/target/debug/deps/ip_parse-5fa79a8d584b5378)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/lifetime.rs (/opt/rustwide/target/debug/deps/lifetime-44dc7f1a33310a9b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/lifetime2.rs (/opt/rustwide/target/debug/deps/lifetime2-65e3b2184a64754f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/loop.rs (/opt/rustwide/target/debug/deps/loop-6f3d83b0851a8df5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/macro.rs (/opt/rustwide/target/debug/deps/macro-1b8bbc9bc9b5ede3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/match.rs (/opt/rustwide/target/debug/deps/match-6b98a2fd94b8ca9c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/match_guard.rs (/opt/rustwide/target/debug/deps/match_guard-04c362863f92275e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/methods.rs (/opt/rustwide/target/debug/deps/methods-6d35490a58c6b876)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/methods_inner_context.rs (/opt/rustwide/target/debug/deps/methods_inner_context-1d9a5b3212cbac8b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/methods_mut.rs (/opt/rustwide/target/debug/deps/methods_mut-afb1f29acb258baa)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/modules.rs (/opt/rustwide/target/debug/deps/modules-f5f74d66f309c09d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/mpsc.rs (/opt/rustwide/target/debug/deps/mpsc-c1338dab3d91be49)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/mut_string.rs (/opt/rustwide/target/debug/deps/mut_string-46424044e766885d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/mutex.rs (/opt/rustwide/target/debug/deps/mutex-5ff27606048abf01)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/panic.rs (/opt/rustwide/target/debug/deps/panic-1fe5c5ef5e6ca3aa)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/pattern_binding.rs (/opt/rustwide/target/debug/deps/pattern_binding-4e7f3ee9ebf43483)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/rc.rs (/opt/rustwide/target/debug/deps/rc-eea7d66bccdf76b7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/rc_strong_count.rs (/opt/rustwide/target/debug/deps/rc_strong_count-b597bac7cb72adfa)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/ref_cell_panic.rs (/opt/rustwide/target/debug/deps/ref_cell_panic-94a6c5073f51d7db)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/ref_cycle.rs (/opt/rustwide/target/debug/deps/ref_cycle-2e9705396a4410d7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/replace.rs (/opt/rustwide/target/debug/deps/replace-d35cad9886d94b6b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_pairing-2e864a56d61c25f3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_in_root ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_in_root stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_in_root' panicked at src/main.rs:6:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 4
[INFO] [stdout]  right: 5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x575bf2999240 - std::backtrace_rs::backtrace::libunwind::trace::hbdc173d6b02f109a
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x575bf2999240 - std::backtrace_rs::backtrace::trace_unsynchronized::hbf2455cd8fabe77b
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x575bf2999240 - std::sys::backtrace::_print_fmt::h310d04dbb3341536
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x575bf2999240 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h109c0a3e31db436f
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x575bf29bf833 - core::fmt::rt::Argument::fmt::hd720e0c1f088b034
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x575bf29bf833 - core::fmt::write::hd3671829af6364f1
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/core/src/fmt/mod.rs:1449:21
[INFO] [stdout]    6:     0x575bf2996493 - std::io::Write::write_fmt::hb8a67d04d85c214e
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/io/mod.rs:1890:15
[INFO] [stdout]    7:     0x575bf2999092 - std::sys::backtrace::BacktraceLock::print::h0c74b492af7c203e
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x575bf299a66f - std::panicking::default_hook::{{closure}}::ha3187647a2c71f3f
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/panicking.rs:298:22
[INFO] [stdout]    9:     0x575bf299a488 - std::panicking::default_hook::hd30ec41e71bae477
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/panicking.rs:322:9
[INFO] [stdout]   10:     0x575bf2964175 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h820f658ddaf0181b
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/alloc/src/boxed.rs:1990:9
[INFO] [stdout]   11:     0x575bf2964175 - test::test_main::{{closure}}::hbb4df7f5323acfb7
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/test/src/lib.rs:135:21
[INFO] [stdout]   12:     0x575bf299b0e3 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb0f28446cb5c48d4
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/alloc/src/boxed.rs:1990:9
[INFO] [stdout]   13:     0x575bf299b0e3 - std::panicking::rust_panic_with_hook::h27266a0abed10aa3
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/panicking.rs:839:13
[INFO] [stdout]   14:     0x575bf299adba - std::panicking::begin_panic_handler::{{closure}}::h3b855edddb50a621
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/panicking.rs:704:13
[INFO] [stdout]   15:     0x575bf2999759 - std::sys::backtrace::__rust_end_short_backtrace::hd74a78f3727f3f2f
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   16:     0x575bf299aa4d - rust_begin_unwind
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/panicking.rs:695:5
[INFO] [stdout]   17:     0x575bf2929ca0 - core::panicking::panic_fmt::hfb8006ac977ca2c2
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x575bf2929fc2 - core::panicking::assert_failed_inner::h348ec5191b9dadcd
[INFO] [stdout]   19:     0x575bf2928492 - core::panicking::assert_failed::h5f3065c9c601d4a5
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/core/src/panicking.rs:380:5
[INFO] [stdout]   20:     0x575bf292b005 - rust_pairing::tests::test_in_root::h8d5e36d9ed4a956c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:6:9
[INFO] [stdout]   21:     0x575bf292af67 - rust_pairing::tests::test_in_root::{{closure}}::h9f8772e60e0738a5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:4:22
[INFO] [stdout]   22:     0x575bf292a8a6 - core::ops::function::FnOnce::call_once::h757abe8722d65c89
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x575bf29698db - core::ops::function::FnOnce::call_once::hfc980b37ee564fd5
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x575bf29698db - test::__rust_begin_short_backtrace::h368b4ea047339665
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/test/src/lib.rs:637:18
[INFO] [stdout]   25:     0x575bf29687e8 - test::run_test_in_process::{{closure}}::hc337d402eb5d3b20
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/test/src/lib.rs:660:60
[INFO] [stdout]   26:     0x575bf29687e8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h784eea0510033d16
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x575bf29687e8 - std::panicking::try::do_call::h4ac543f5ac9f601e
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/panicking.rs:587:40
[INFO] [stdout]   28:     0x575bf29687e8 - std::panicking::try::h7cd25d12e6b32f31
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/panicking.rs:550:19
[INFO] [stdout]   29:     0x575bf29687e8 - std::panic::catch_unwind::h9241e8b503f17ed6
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x575bf29687e8 - test::run_test_in_process::h9d79244bd07cbf67
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/test/src/lib.rs:660:27
[INFO] [stdout]   31:     0x575bf29687e8 - test::run_test::{{closure}}::h8956dbf4000fc27f
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/test/src/lib.rs:581:43
[INFO] [stdout]   32:     0x575bf292c7a5 - test::run_test::{{closure}}::h85a46de4136d4def
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/test/src/lib.rs:611:41
[INFO] [stdout]   33:     0x575bf292c7a5 - std::sys::backtrace::__rust_begin_short_backtrace::h9975729e3d3e75dd
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   34:     0x575bf293011a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc76cda43ecf21eb7
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x575bf293011a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3a15156e6031d8d5
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x575bf293011a - std::panicking::try::do_call::hd3fff24e2b851346
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/panicking.rs:587:40
[INFO] [stdout]   37:     0x575bf293011a - std::panicking::try::h4f63a178c8d2fcee
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/panicking.rs:550:19
[INFO] [stdout]   38:     0x575bf293011a - std::panic::catch_unwind::ha465bcd87c32e925
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x575bf293011a - std::thread::Builder::spawn_unchecked_::{{closure}}::hb5abd0121f0c5f39
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x575bf293011a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h004882719769312d
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x575bf299ee2b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7c6d7f466cecdb42
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/alloc/src/boxed.rs:1976:9
[INFO] [stdout]   42:     0x575bf299ee2b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had600e8c8715c12c
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/alloc/src/boxed.rs:1976:9
[INFO] [stdout]   43:     0x575bf299ee2b - std::sys::pal::unix::thread::Thread::new::thread_start::h671b94df33d4fdac
[INFO] [stdout]                                at /rustc/42212a5c45ab623e38a36a74ea288a2b0277b911/library/std/src/sys/pal/unix/thread.rs:106:17
[INFO] [stdout]   44:     0x7dad793feac3 - <unknown>
[INFO] [stdout]   45:     0x7dad7948fa04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_in_root
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin rust-pairing`
[INFO] running `Command { std: "docker" "inspect" "2303bcf09bf16a47095310f3a76a7e88c4a108e60eb70168dd752d8b9dda1cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2303bcf09bf16a47095310f3a76a7e88c4a108e60eb70168dd752d8b9dda1cbf", kill_on_drop: false }`
[INFO] [stdout] 2303bcf09bf16a47095310f3a76a7e88c4a108e60eb70168dd752d8b9dda1cbf
