[INFO] cloning repository https://github.com/tmacychen/list [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tmacychen/list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmacychen%2Flist", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmacychen%2Flist'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 374911aeeff4d5c5fbe87cecd1e059a93048c060 [INFO] testing tmacychen/list against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmacychen%2Flist" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tmacychen/list on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tmacychen/list [INFO] finished tweaking git repo https://github.com/tmacychen/list [INFO] tweaked toml for git repo https://github.com/tmacychen/list written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/tmacychen/list already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5a0b601193dabf887281b2e61eb3e0a38c4ba74599829e878887db0b33345dfd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5a0b601193dabf887281b2e61eb3e0a38c4ba74599829e878887db0b33345dfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a0b601193dabf887281b2e61eb3e0a38c4ba74599829e878887db0b33345dfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a0b601193dabf887281b2e61eb3e0a38c4ba74599829e878887db0b33345dfd", kill_on_drop: false }` [INFO] [stdout] 5a0b601193dabf887281b2e61eb3e0a38c4ba74599829e878887db0b33345dfd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 941820612aee0d5fbdd19fa6681e2b17f24308cb7921e97c8ae7a008c617a689 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "941820612aee0d5fbdd19fa6681e2b17f24308cb7921e97c8ae7a008c617a689", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling list v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `List` [INFO] [stdout] --> src/silly1.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct List { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/silly1.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push_left` [INFO] [stdout] --> src/silly1.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn push_left(&mut self, elem: T) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push_right` [INFO] [stdout] --> src/silly1.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn push_right(&mut self, elem: T) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop_left` [INFO] [stdout] --> src/silly1.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn pop_left(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop_right` [INFO] [stdout] --> src/silly1.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn pop_right(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_left` [INFO] [stdout] --> src/silly1.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn peek_left(&self) -> Option<&T> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_right` [INFO] [stdout] --> src/silly1.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn peek_right(&self) -> Option<&T> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_left_mut` [INFO] [stdout] --> src/silly1.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn peek_left_mut(&mut self) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_right_mut` [INFO] [stdout] --> src/silly1.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn peek_right_mut(&mut self) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `go_left` [INFO] [stdout] --> src/silly1.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn go_left(&mut self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `go_right` [INFO] [stdout] --> src/silly1.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn go_right(&mut self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `Command { std: "docker" "inspect" "941820612aee0d5fbdd19fa6681e2b17f24308cb7921e97c8ae7a008c617a689", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "941820612aee0d5fbdd19fa6681e2b17f24308cb7921e97c8ae7a008c617a689", kill_on_drop: false }` [INFO] [stdout] 941820612aee0d5fbdd19fa6681e2b17f24308cb7921e97c8ae7a008c617a689 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c6f09bb15cac23bb26a8e6cab5cb357ee5b4f58ae3af1c5c332bdaa741a3a3b5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c6f09bb15cac23bb26a8e6cab5cb357ee5b4f58ae3af1c5c332bdaa741a3a3b5", kill_on_drop: false }` [INFO] [stdout] warning: struct is never constructed: `List` [INFO] [stdout] --> src/silly1.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct List { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling list v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/silly1.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push_left` [INFO] [stdout] --> src/silly1.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn push_left(&mut self, elem: T) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push_right` [INFO] [stdout] --> src/silly1.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn push_right(&mut self, elem: T) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop_left` [INFO] [stdout] --> src/silly1.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn pop_left(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop_right` [INFO] [stdout] --> src/silly1.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn pop_right(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_left` [INFO] [stdout] --> src/silly1.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn peek_left(&self) -> Option<&T> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_right` [INFO] [stdout] --> src/silly1.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn peek_right(&self) -> Option<&T> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_left_mut` [INFO] [stdout] --> src/silly1.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn peek_left_mut(&mut self) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_right_mut` [INFO] [stdout] --> src/silly1.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn peek_right_mut(&mut self) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `go_left` [INFO] [stdout] --> src/silly1.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn go_left(&mut self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `go_right` [INFO] [stdout] --> src/silly1.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn go_right(&mut self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_right_mut` [INFO] [stdout] --> src/silly1.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn peek_right_mut(&mut self) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `go_right` [INFO] [stdout] --> src/silly1.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn go_right(&mut self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.21s [INFO] running `Command { std: "docker" "inspect" "c6f09bb15cac23bb26a8e6cab5cb357ee5b4f58ae3af1c5c332bdaa741a3a3b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6f09bb15cac23bb26a8e6cab5cb357ee5b4f58ae3af1c5c332bdaa741a3a3b5", kill_on_drop: false }` [INFO] [stdout] c6f09bb15cac23bb26a8e6cab5cb357ee5b4f58ae3af1c5c332bdaa741a3a3b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 925f94d9286ae9bf7ae67bd6bc34725ad062faa2ca80db597082e56accf2bbc6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "925f94d9286ae9bf7ae67bd6bc34725ad062faa2ca80db597082e56accf2bbc6", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: struct is never constructed: `List` [INFO] [stdout] running 16 tests [INFO] [stderr] --> src/silly1.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | struct List { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/silly1.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `push_left` [INFO] [stderr] --> src/silly1.rs:13:12 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn push_left(&mut self, elem: T) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `push_right` [INFO] [stderr] --> src/silly1.rs:16:12 [INFO] [stderr] | [INFO] [stderr] 16 | pub fn push_right(&mut self, elem: T) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `pop_left` [INFO] [stderr] --> src/silly1.rs:19:12 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn pop_left(&mut self) -> Option { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `pop_right` [INFO] [stderr] --> src/silly1.rs:22:12 [INFO] [stderr] | [INFO] [stderr] 22 | pub fn pop_right(&mut self) -> Option { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek_left` [INFO] [stderr] --> src/silly1.rs:25:12 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn peek_left(&self) -> Option<&T> { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek_right` [INFO] [stderr] --> src/silly1.rs:28:12 [INFO] [stderr] | [INFO] [stderr] 28 | pub fn peek_right(&self) -> Option<&T> { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek_left_mut` [INFO] [stderr] --> src/silly1.rs:31:12 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn peek_left_mut(&mut self) -> Option<&mut T> { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek_right_mut` [INFO] [stderr] --> src/silly1.rs:34:12 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn peek_right_mut(&mut self) -> Option<&mut T> { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `go_left` [INFO] [stderr] --> src/silly1.rs:37:12 [INFO] [stderr] | [INFO] [stderr] 37 | pub fn go_left(&mut self) -> bool { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `go_right` [INFO] [stderr] --> src/silly1.rs:46:12 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn go_right(&mut self) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek_right_mut` [INFO] [stderr] --> src/silly1.rs:34:12 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn peek_right_mut(&mut self) -> Option<&mut T> { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `go_right` [INFO] [stderr] --> src/silly1.rs:46:12 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn go_right(&mut self) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/list-e641bbfa46577c53) [INFO] [stdout] test fifth::test::basics ... ok [INFO] [stderr] Doc-tests list [INFO] [stdout] test fifth::test::into_iter ... ok [INFO] [stdout] test fifth::test::iter_mut ... ok [INFO] [stdout] test first::test::basics ... ok [INFO] [stdout] test second::test::into_iter ... ok [INFO] [stdout] test fifth::test::iter ... ok [INFO] [stdout] test second::test::peek ... ok [INFO] [stdout] test second::test::iter_mut ... ok [INFO] [stdout] test second::test::iter ... ok [INFO] [stdout] test forth::test::basics ... ok [INFO] [stdout] test second::test::basics ... ok [INFO] [stdout] test third::test::basics ... ok [INFO] [stdout] test third::test::iter ... ok [INFO] [stdout] test forth::test::into_iter ... ok [INFO] [stdout] test forth::test::peek ... ok [INFO] [stdout] test silly1::test::walk_aboot ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 16 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] running `Command { std: "docker" "inspect" "925f94d9286ae9bf7ae67bd6bc34725ad062faa2ca80db597082e56accf2bbc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "925f94d9286ae9bf7ae67bd6bc34725ad062faa2ca80db597082e56accf2bbc6", kill_on_drop: false }` [INFO] [stdout] 925f94d9286ae9bf7ae67bd6bc34725ad062faa2ca80db597082e56accf2bbc6