[INFO] updating cached repository https://github.com/tmacychen/list [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 374911aeeff4d5c5fbe87cecd1e059a93048c060 [INFO] testing tmacychen/list against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmacychen%2Flist" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tmacychen/list on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [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-6/source/Cargo.toml [INFO] crate git repo https://github.com/tmacychen/list already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] aed56f860f51fdfa42dd07fe5de3468d039b0b9c490918f6ee7babebb40491b6 [INFO] running `"docker" "start" "-a" "aed56f860f51fdfa42dd07fe5de3468d039b0b9c490918f6ee7babebb40491b6"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling list v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: struct is never constructed: `List` [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] Finished dev [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `"docker" "inspect" "aed56f860f51fdfa42dd07fe5de3468d039b0b9c490918f6ee7babebb40491b6"` [INFO] running `"docker" "rm" "-f" "aed56f860f51fdfa42dd07fe5de3468d039b0b9c490918f6ee7babebb40491b6"` [INFO] [stdout] aed56f860f51fdfa42dd07fe5de3468d039b0b9c490918f6ee7babebb40491b6 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stdout] 07bb348b5335c8b00f13f0ef43fadd8a3775a6659dd5001fd2fc29271433cafc [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "07bb348b5335c8b00f13f0ef43fadd8a3775a6659dd5001fd2fc29271433cafc"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling list v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: struct is never constructed: `List` [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 1.50s [INFO] running `"docker" "inspect" "07bb348b5335c8b00f13f0ef43fadd8a3775a6659dd5001fd2fc29271433cafc"` [INFO] running `"docker" "rm" "-f" "07bb348b5335c8b00f13f0ef43fadd8a3775a6659dd5001fd2fc29271433cafc"` [INFO] [stdout] 07bb348b5335c8b00f13f0ef43fadd8a3775a6659dd5001fd2fc29271433cafc [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ea6656018bdc5376e777972720f5f2151ea52834fc2888afba31edbcf4af0edf [INFO] running `"docker" "start" "-a" "ea6656018bdc5376e777972720f5f2151ea52834fc2888afba31edbcf4af0edf"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: struct is never constructed: `List` [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 0.20s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/list-aad4846ef61f63f6 [INFO] [stdout] [INFO] [stdout] running 16 tests [INFO] [stdout] test forth::test::into_iter ... ok [INFO] [stdout] test forth::test::peek ... ok [INFO] [stdout] test fifth::test::basics ... ok [INFO] [stdout] test fifth::test::into_iter ... ok [INFO] [stdout] test fifth::test::iter_mut ... ok [INFO] [stdout] test second::test::basics ... ok [INFO] [stdout] test first::test::basics ... ok [INFO] [stdout] test fifth::test::iter ... ok [INFO] [stdout] test forth::test::basics ... ok [INFO] [stdout] test second::test::into_iter ... ok [INFO] [stdout] test second::test::iter ... ok [INFO] [stdout] test silly1::test::walk_aboot ... ok [INFO] [stdout] test second::test::peek ... ok [INFO] [stdout] test second::test::iter_mut ... ok [INFO] [stdout] test third::test::basics ... ok [INFO] [stdout] test third::test::iter ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests list [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "ea6656018bdc5376e777972720f5f2151ea52834fc2888afba31edbcf4af0edf"` [INFO] running `"docker" "rm" "-f" "ea6656018bdc5376e777972720f5f2151ea52834fc2888afba31edbcf4af0edf"` [INFO] [stdout] ea6656018bdc5376e777972720f5f2151ea52834fc2888afba31edbcf4af0edf