[INFO] cloning repository https://github.com/Simmypeet/rust_lab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Simmypeet/rust_lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimmypeet%2Frust_lab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimmypeet%2Frust_lab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c2e1621eb3db818711b37b97299d51290319d08
[INFO] checking Simmypeet/rust_lab against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimmypeet%2Frust_lab" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Simmypeet/rust_lab
[INFO] finished tweaking git repo https://github.com/Simmypeet/rust_lab
[INFO] tweaked toml for git repo https://github.com/Simmypeet/rust_lab written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Simmypeet/rust_lab on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Simmypeet/rust_lab 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: /workspace/builds/worker-0-tc2/source/lab5_4/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /workspace/builds/worker-0-tc2/source/lab5_3/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe8a91611b139c765929f6cf934d9faeb962702e96d1cccad1c1b28f7120b97e
[INFO] running `Command { std: "docker" "start" "-a" "fe8a91611b139c765929f6cf934d9faeb962702e96d1cccad1c1b28f7120b97e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe8a91611b139c765929f6cf934d9faeb962702e96d1cccad1c1b28f7120b97e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe8a91611b139c765929f6cf934d9faeb962702e96d1cccad1c1b28f7120b97e", kill_on_drop: false }`
[INFO] [stdout] fe8a91611b139c765929f6cf934d9faeb962702e96d1cccad1c1b28f7120b97e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae5544225f3f5a394905c055da36313b1c67ad7ace0fe6419e4bc94c953eb9aa
[INFO] running `Command { std: "docker" "start" "-a" "ae5544225f3f5a394905c055da36313b1c67ad7ace0fe6419e4bc94c953eb9aa", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: /opt/rustwide/workdir/lab5_3/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /opt/rustwide/workdir/lab5_4/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking aho-corasick v1.0.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking lab5_3 v0.1.0 (/opt/rustwide/workdir/lab5_3)
[INFO] [stderr]     Checking lab5_4 v0.1.0 (/opt/rustwide/workdir/lab5_4)
[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]     Checking lab6_4 v0.1.0 (/opt/rustwide/workdir/lab6_4)
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking lab4_3 v0.1.0 (/opt/rustwide/workdir/lab4_3)
[INFO] [stderr]     Checking lab4_2 v0.1.0 (/opt/rustwide/workdir/lab4_2)
[INFO] [stderr]     Checking lab6_3 v0.1.0 (/opt/rustwide/workdir/lab6_3)
[INFO] [stderr]     Checking lab11_3 v0.1.0 (/opt/rustwide/workdir/lab11_3)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> lab4_3/src/lib.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn test(a: MyStruct<i32>) {}
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> lab4_3/src/lib.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn test(a: MyStruct<i32>) {}
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> lab4_3/src/lib.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn test(a: MyStruct<i32>) {}
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> lab4_3/src/lib.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn test(a: MyStruct<i32>) {}
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking bstr v1.6.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]    Compiling sys-info v0.9.1
[INFO] [stderr]     Checking point_layer v0.1.0 (/opt/rustwide/workdir/point_layer)
[INFO] [stderr]     Checking lab7_4 v0.1.0 (/opt/rustwide/workdir/lab7_4)
[INFO] [stderr]     Checking lab_7_3 v0.1.0 (/opt/rustwide/workdir/lab7_3)
[INFO] [stderr]     Checking assert_cmd v1.0.8
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> lab7_4/src/main.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             condvar.wait(mutex.lock().unwrap());
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |             let _ = condvar.wait(mutex.lock().unwrap());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking svg_gen v0.1.0 (/opt/rustwide/workdir/svg_gen)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> lab7_4/src/main.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             condvar.wait(mutex.lock().unwrap());
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |             let _ = condvar.wait(mutex.lock().unwrap());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking assert_cmd v2.0.12
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking wcr v0.1.0 (/opt/rustwide/workdir/lab5_1_to_2)
[INFO] [stderr]     Checking uniqr v0.1.0 (/opt/rustwide/workdir/lab6_1_to_2)
[INFO] [stderr]     Checking commr v0.1.0 (/opt/rustwide/workdir/lab10_1)
[INFO] [stderr]     Checking tailr v0.1.0 (/opt/rustwide/workdir/lab11_1_2)
[INFO] [stderr]     Checking headr v0.1.0 (/opt/rustwide/workdir/lab4_1_to_2)
[INFO] [stderr]     Checking grepr v0.1.0 (/opt/rustwide/workdir/lab9_1_to_2)
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> lab10_1/src/lib.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::format`
[INFO] [stdout]  --> lab11_1_2/src/lib.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{error::Error, fmt::format, ops::Range, path::PathBuf};
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> lab10_1/src/lib.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::format`
[INFO] [stdout]  --> lab11_1_2/src/lib.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{error::Error, fmt::format, ops::Range, path::PathBuf};
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Metadata` is never constructed
[INFO] [stdout]    --> lab11_1_2/src/lib.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | struct Metadata {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get` is never used
[INFO] [stdout]    --> lab11_1_2/src/lib.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | impl Metadata {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 110 |     fn get(str: &str) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Metadata` is never constructed
[INFO] [stdout]    --> lab11_1_2/src/lib.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | struct Metadata {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get` is never used
[INFO] [stdout]    --> lab11_1_2/src/lib.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | impl Metadata {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 110 |     fn get(str: &str) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking pointr v0.1.0 (/opt/rustwide/workdir/lab8_3)
[INFO] [stderr]     Checking cutr v0.1.0 (/opt/rustwide/workdir/lab8_1_to_2)
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]     Checking findr v0.1.0 (/opt/rustwide/workdir/lab7_1_to_2)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> lab7_1_to_2/tests/cli.rs:70:36
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn format_file_name(expected_file: &str) -> Cow<str> {
[INFO] [stdout]    |                                    ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn format_file_name(expected_file: &str) -> Cow<'_, str> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v4.4.6
[INFO] [stderr]     Checking lab10_3 v0.1.0 (/opt/rustwide/workdir/lab10_3)
[INFO] [stderr]     Checking xpm2r v0.1.0 (/opt/rustwide/workdir/lab11_4)
[INFO] [stderr]     Checking lab9_4_1 v0.1.0 (/opt/rustwide/workdir/lab9_4_1)
[INFO] [stderr]     Checking lab9_4_2 v0.1.0 (/opt/rustwide/workdir/lab9_4_2)
[INFO] [stderr]     Checking layer v0.1.0 (/opt/rustwide/workdir/lab9_3)
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> lab9_3/tests/cli.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.93s
[INFO] running `Command { std: "docker" "inspect" "ae5544225f3f5a394905c055da36313b1c67ad7ace0fe6419e4bc94c953eb9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae5544225f3f5a394905c055da36313b1c67ad7ace0fe6419e4bc94c953eb9aa", kill_on_drop: false }`
[INFO] [stdout] ae5544225f3f5a394905c055da36313b1c67ad7ace0fe6419e4bc94c953eb9aa
