[INFO] cloning repository https://github.com/LiWenGu/learing-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LiWenGu/learing-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiWenGu%2Flearing-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiWenGu%2Flearing-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1018016a1d796e913f4132017e0b754036fa4939 [INFO] testing LiWenGu/learing-rust against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiWenGu%2Flearing-rust" "/workspace/builds/worker-70/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-70/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LiWenGu/learing-rust on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LiWenGu/learing-rust [INFO] finished tweaking git repo https://github.com/LiWenGu/learing-rust [INFO] tweaked toml for git repo https://github.com/LiWenGu/learing-rust written to /workspace/builds/worker-70/source/Cargo.toml [INFO] crate git repo https://github.com/LiWenGu/learing-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c33be4964303b541a83ae11791ec3435916a25f782d05465e1a1cc99b5e9ad12 [INFO] running `Command { std: "docker" "start" "-a" "c33be4964303b541a83ae11791ec3435916a25f782d05465e1a1cc99b5e9ad12", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c33be4964303b541a83ae11791ec3435916a25f782d05465e1a1cc99b5e9ad12", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c33be4964303b541a83ae11791ec3435916a25f782d05465e1a1cc99b5e9ad12", kill_on_drop: false }` [INFO] [stdout] c33be4964303b541a83ae11791ec3435916a25f782d05465e1a1cc99b5e9ad12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 24e2add8b1b7f236d41987e1862235390259c6d00d9a55d5ea6347633b17b68a [INFO] running `Command { std: "docker" "start" "-a" "24e2add8b1b7f236d41987e1862235390259c6d00d9a55d5ea6347633b17b68a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling object-feature v0.1.0 (/opt/rustwide/workdir/object-feature) [INFO] [stderr] Compiling intelligent-point v0.1.0 (/opt/rustwide/workdir/intelligent-point) [INFO] [stderr] Compiling web v0.1.0 (/opt/rustwide/workdir/web) [INFO] [stderr] Compiling hello_macro v0.1.0 (/opt/rustwide/workdir/hello_macro) [INFO] [stderr] Compiling fearless-concurrent v0.1.0 (/opt/rustwide/workdir/fearless-concurrent) [INFO] [stderr] Compiling advance-feature v0.1.0 (/opt/rustwide/workdir/advance-feature) [INFO] [stdout] warning: unused variable: `post` [INFO] [stdout] --> object-feature/src/lib.rs:180:27 [INFO] [stdout] | [INFO] [stdout] 180 | fn content<'a>(&self, post: &'a Post) -> &'a str { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_post` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `width` [INFO] [stdout] --> object-feature/src/lib.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | width: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `height` [INFO] [stdout] --> object-feature/src/lib.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | height: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `options` [INFO] [stdout] --> object-feature/src/lib.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 62 | options: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> intelligent-point/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> web/src/lib.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | type Job = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 4 - type Job = Box; [INFO] [stdout] 4 + type Job = Box; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `split_at_mut` [INFO] [stdout] --> advance-feature/src/main.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn split_at_mut(slice: &mut [i32], mid: usize) -> (&mut [i32], &mut [i32]) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `MutexExample` should have a snake case name [INFO] [stdout] --> fearless-concurrent/src/main.rs:85:4 [INFO] [stdout] | [INFO] [stdout] 85 | fn MutexExample() { [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `mutex_example` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `diameter` [INFO] [stdout] --> advance-feature/src/main.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | diameter: &'a i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `baby_name` [INFO] [stdout] --> advance-feature/src/main.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | fn baby_name() -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> intelligent-point/src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let list = Cons(1, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> intelligent-point/src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let c = CustomSmartPointer {data: String::from("my stuff")}; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> intelligent-point/src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let d = CustomSmartPointer {data: String::from("other stuff")}; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Listz` [INFO] [stdout] --> intelligent-point/src/main.rs:67:6 [INFO] [stdout] | [INFO] [stdout] 67 | enum Listz { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `thread` [INFO] [stdout] --> web/src/main.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::{fs, thread}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling add-one v0.1.0 (/opt/rustwide/workdir/add-one) [INFO] [stderr] Compiling adder v0.1.0 (/opt/rustwide/workdir/adder) [INFO] [stdout] warning: unused import: `rand` [INFO] [stdout] --> adder/src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rand; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling hello_macro_derive v0.1.0 (/opt/rustwide/workdir/hello_macro/hello_macro_derive) [INFO] [stderr] Compiling pancakes v0.1.0 (/opt/rustwide/workdir/pancakes) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.71s [INFO] running `Command { std: "docker" "inspect" "24e2add8b1b7f236d41987e1862235390259c6d00d9a55d5ea6347633b17b68a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24e2add8b1b7f236d41987e1862235390259c6d00d9a55d5ea6347633b17b68a", kill_on_drop: false }` [INFO] [stdout] 24e2add8b1b7f236d41987e1862235390259c6d00d9a55d5ea6347633b17b68a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7db63fea2ec144098ade7e68cd3f2f6a4b4bafcf1a4aeadcdd6e46ff0482ee96 [INFO] running `Command { std: "docker" "start" "-a" "7db63fea2ec144098ade7e68cd3f2f6a4b4bafcf1a4aeadcdd6e46ff0482ee96", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling web v0.1.0 (/opt/rustwide/workdir/web) [INFO] [stderr] Compiling hello_macro v0.1.0 (/opt/rustwide/workdir/hello_macro) [INFO] [stderr] Compiling object-feature v0.1.0 (/opt/rustwide/workdir/object-feature) [INFO] [stderr] Compiling advance-feature v0.1.0 (/opt/rustwide/workdir/advance-feature) [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> intelligent-point/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling fearless-concurrent v0.1.0 (/opt/rustwide/workdir/fearless-concurrent) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling intelligent-point v0.1.0 (/opt/rustwide/workdir/intelligent-point) [INFO] [stdout] warning: unused variable: `post` [INFO] [stdout] --> object-feature/src/lib.rs:180:27 [INFO] [stdout] | [INFO] [stdout] 180 | fn content<'a>(&self, post: &'a Post) -> &'a str { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_post` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `width` [INFO] [stdout] --> object-feature/src/lib.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | width: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `height` [INFO] [stdout] --> object-feature/src/lib.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | height: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `options` [INFO] [stdout] --> object-feature/src/lib.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 62 | options: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> web/src/lib.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | type Job = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 4 - type Job = Box; [INFO] [stdout] 4 + type Job = Box; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling add-one v0.1.0 (/opt/rustwide/workdir/add-one) [INFO] [stderr] Compiling adder v0.1.0 (/opt/rustwide/workdir/adder) [INFO] [stderr] Compiling hello_macro_derive v0.1.0 (/opt/rustwide/workdir/hello_macro/hello_macro_derive) [INFO] [stderr] Compiling pancakes v0.1.0 (/opt/rustwide/workdir/pancakes) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> web/src/lib.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | type Job = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 4 - type Job = Box; [INFO] [stdout] 4 + type Job = Box; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> intelligent-point/src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `split_at_mut` [INFO] [stdout] --> advance-feature/src/main.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn split_at_mut(slice: &mut [i32], mid: usize) -> (&mut [i32], &mut [i32]) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `diameter` [INFO] [stdout] --> advance-feature/src/main.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | diameter: &'a i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `baby_name` [INFO] [stdout] --> advance-feature/src/main.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | fn baby_name() -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `post` [INFO] [stdout] --> object-feature/src/lib.rs:180:27 [INFO] [stdout] | [INFO] [stdout] 180 | fn content<'a>(&self, post: &'a Post) -> &'a str { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_post` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> intelligent-point/src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let list = Cons(1, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> intelligent-point/src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let c = CustomSmartPointer {data: String::from("my stuff")}; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> intelligent-point/src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let d = CustomSmartPointer {data: String::from("other stuff")}; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Listz` [INFO] [stdout] --> intelligent-point/src/main.rs:67:6 [INFO] [stdout] | [INFO] [stdout] 67 | enum Listz { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `width` [INFO] [stdout] --> object-feature/src/lib.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | width: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `height` [INFO] [stdout] --> object-feature/src/lib.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | height: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `options` [INFO] [stdout] --> object-feature/src/lib.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 62 | options: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `thread` [INFO] [stdout] --> web/src/main.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::{fs, thread}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `MutexExample` should have a snake case name [INFO] [stdout] --> fearless-concurrent/src/main.rs:85:4 [INFO] [stdout] | [INFO] [stdout] 85 | fn MutexExample() { [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `mutex_example` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand` [INFO] [stdout] --> adder/src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rand; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.83s [INFO] running `Command { std: "docker" "inspect" "7db63fea2ec144098ade7e68cd3f2f6a4b4bafcf1a4aeadcdd6e46ff0482ee96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7db63fea2ec144098ade7e68cd3f2f6a4b4bafcf1a4aeadcdd6e46ff0482ee96", kill_on_drop: false }` [INFO] [stdout] 7db63fea2ec144098ade7e68cd3f2f6a4b4bafcf1a4aeadcdd6e46ff0482ee96 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] be9fea78069e85a535c40c490427f48799b5d4c5998fdadda6474529a13a0b40 [INFO] running `Command { std: "docker" "start" "-a" "be9fea78069e85a535c40c490427f48799b5d4c5998fdadda6474529a13a0b40", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused variable: `post` [INFO] [stderr] --> object-feature/src/lib.rs:180:27 [INFO] [stderr] | [INFO] [stderr] 180 | fn content<'a>(&self, post: &'a Post) -> &'a str { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_post` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `width` [INFO] [stderr] --> object-feature/src/lib.rs:60:5 [INFO] [stderr] | [INFO] [stderr] 60 | width: u32, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `height` [INFO] [stderr] --> object-feature/src/lib.rs:61:5 [INFO] [stderr] | [INFO] [stderr] 61 | height: u32, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `options` [INFO] [stderr] --> object-feature/src/lib.rs:62:5 [INFO] [stderr] | [INFO] [stderr] 62 | options: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `object-feature` (lib) generated 4 warnings [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> web/src/lib.rs:4:16 [INFO] [stderr] | [INFO] [stderr] 4 | type Job = Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 4 - type Job = Box; [INFO] [stderr] 4 + type Job = Box; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> intelligent-point/src/lib.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `MutexExample` should have a snake case name [INFO] [stderr] --> fearless-concurrent/src/main.rs:85:4 [INFO] [stderr] | [INFO] [stderr] 85 | fn MutexExample() { [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `mutex_example` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `split_at_mut` [INFO] [stderr] --> advance-feature/src/main.rs:18:4 [INFO] [stderr] | [INFO] [stderr] 18 | fn split_at_mut(slice: &mut [i32], mid: usize) -> (&mut [i32], &mut [i32]) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `diameter` [INFO] [stderr] --> advance-feature/src/main.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | diameter: &'a i32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `baby_name` [INFO] [stderr] --> advance-feature/src/main.rs:46:8 [INFO] [stderr] | [INFO] [stderr] 46 | fn baby_name() -> String { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `web` (lib) generated 1 warning [INFO] [stderr] warning: `intelligent-point` (lib) generated 1 warning [INFO] [stderr] warning: `intelligent-point` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `fearless-concurrent` (bin "fearless-concurrent" test) generated 1 warning [INFO] [stderr] warning: `advance-feature` (bin "advance-feature" test) generated 3 warnings [INFO] [stderr] warning: `object-feature` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] warning: `web` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: unused variable: `list` [INFO] [stderr] --> intelligent-point/src/main.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let list = Cons(1, [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> intelligent-point/src/main.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let c = CustomSmartPointer {data: String::from("my stuff")}; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `d` [INFO] [stderr] --> intelligent-point/src/main.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let d = CustomSmartPointer {data: String::from("other stuff")}; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Listz` [INFO] [stderr] --> intelligent-point/src/main.rs:67:6 [INFO] [stderr] | [INFO] [stderr] 67 | enum Listz { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `thread` [INFO] [stderr] --> web/src/main.rs:3:15 [INFO] [stderr] | [INFO] [stderr] 3 | use std::{fs, thread}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `intelligent-point` (bin "intelligent-point" test) generated 4 warnings [INFO] [stderr] warning: `web` (bin "web" test) generated 1 warning [INFO] [stderr] warning: unused import: `rand` [INFO] [stderr] --> adder/src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use rand; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `adder` (bin "adder" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.97s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/add_one-2051ed9110d56fc0) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/adder-fb90f0e45ab5c031) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/advance_feature-9f6557a8d07b3bb9) [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] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/fearless_concurrent-483fc52233f991dc) [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] [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 (/opt/rustwide/target/debug/deps/hello_macro-3e950bc1cd6fe1c5) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hello_macro_derive-8e98445ec7162f13) [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] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/intelligent_point-4ab4b968709813c7) [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 (/opt/rustwide/target/debug/deps/intelligent_point-5c27a800ba1606ce) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/object_feature-261b10678ea7aecc) [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_sends_an_over_75_percent_warning_message ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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] [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] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/object_feature-3e20c30bf634e725) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/pancakes-fb3b23f2cebedc06) [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] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/web-d61fe972ac3bce25) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/web-1fadc17a85870fd3) [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] [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] Doc-tests add-one [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] [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] Doc-tests hello_macro [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] Doc-tests hello_macro_derive [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] Doc-tests intelligent-point [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] Doc-tests object-feature [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] Doc-tests web [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] running `Command { std: "docker" "inspect" "be9fea78069e85a535c40c490427f48799b5d4c5998fdadda6474529a13a0b40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be9fea78069e85a535c40c490427f48799b5d4c5998fdadda6474529a13a0b40", kill_on_drop: false }` [INFO] [stdout] be9fea78069e85a535c40c490427f48799b5d4c5998fdadda6474529a13a0b40