[INFO] cloning repository https://github.com/locez/data-structure [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/locez/data-structure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flocez%2Fdata-structure", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flocez%2Fdata-structure'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6cbcedacf7ff754e23aefcbc2ae93856fb024a6a [INFO] testing locez/data-structure against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flocez%2Fdata-structure" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/locez/data-structure 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/locez/data-structure [INFO] finished tweaking git repo https://github.com/locez/data-structure [INFO] tweaked toml for git repo https://github.com/locez/data-structure written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/locez/data-structure 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-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" "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] 1c301b6da29fc7ac467548da2887dcb60117ac05eb2be19d675d7327a09284d9 [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" "1c301b6da29fc7ac467548da2887dcb60117ac05eb2be19d675d7327a09284d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c301b6da29fc7ac467548da2887dcb60117ac05eb2be19d675d7327a09284d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c301b6da29fc7ac467548da2887dcb60117ac05eb2be19d675d7327a09284d9", kill_on_drop: false }` [INFO] [stdout] 1c301b6da29fc7ac467548da2887dcb60117ac05eb2be19d675d7327a09284d9 [INFO] running `Command { std: "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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d93a1fe62c93981aeae81ecadc8721c31485f8a14f0220740615bbe2d1cf89bb [INFO] running `Command { std: "docker" "start" "-a" "d93a1fe62c93981aeae81ecadc8721c31485f8a14f0220740615bbe2d1cf89bb", kill_on_drop: false }` [INFO] [stderr] Compiling data-structure v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/data_structure/stack.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn is_empty(&self) -> bool { [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: `length` [INFO] [stdout] --> src/data_structure/stack.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn length(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/data_structure/stack.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.05s [INFO] running `Command { std: "docker" "inspect" "d93a1fe62c93981aeae81ecadc8721c31485f8a14f0220740615bbe2d1cf89bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d93a1fe62c93981aeae81ecadc8721c31485f8a14f0220740615bbe2d1cf89bb", kill_on_drop: false }` [INFO] [stdout] d93a1fe62c93981aeae81ecadc8721c31485f8a14f0220740615bbe2d1cf89bb [INFO] running `Command { std: "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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ef7d8974251b43cb33c8a5f1dbee3585a4a8b396fae9e0df12180e6a436c07a8 [INFO] running `Command { std: "docker" "start" "-a" "ef7d8974251b43cb33c8a5f1dbee3585a4a8b396fae9e0df12180e6a436c07a8", kill_on_drop: false }` [INFO] [stderr] Compiling data-structure v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/data_structure/stack.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn is_empty(&self) -> bool { [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: `length` [INFO] [stdout] --> src/data_structure/stack.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn length(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/data_structure/stack.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/data_structure/stack.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn is_empty(&self) -> bool { [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: `length` [INFO] [stdout] --> src/data_structure/stack.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn length(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/data_structure/stack.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `Command { std: "docker" "inspect" "ef7d8974251b43cb33c8a5f1dbee3585a4a8b396fae9e0df12180e6a436c07a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef7d8974251b43cb33c8a5f1dbee3585a4a8b396fae9e0df12180e6a436c07a8", kill_on_drop: false }` [INFO] [stdout] ef7d8974251b43cb33c8a5f1dbee3585a4a8b396fae9e0df12180e6a436c07a8 [INFO] running `Command { std: "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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d2da3f0f8f75d89103984ca78c43271cbc278edf90f5774c5864b62d28a4e959 [INFO] running `Command { std: "docker" "start" "-a" "d2da3f0f8f75d89103984ca78c43271cbc278edf90f5774c5864b62d28a4e959", kill_on_drop: false }` [INFO] [stderr] warning: associated function is never used: `is_empty` [INFO] [stderr] --> src/data_structure/stack.rs:21:12 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `length` [INFO] [stderr] --> src/data_structure/stack.rs:25:12 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn length(&self) -> usize { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek` [INFO] [stderr] --> src/data_structure/stack.rs:29:12 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn peek(&self) -> Option<&T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_empty` [INFO] [stderr] --> src/data_structure/stack.rs:21:12 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `length` [INFO] [stderr] --> src/data_structure/stack.rs:25:12 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn length(&self) -> usize { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek` [INFO] [stderr] --> src/data_structure/stack.rs:29:12 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn peek(&self) -> Option<&T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/data_structure-c98b3ffc1459adde) [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/data_structure-be3eb3b9a7165560) [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 tests/stack_test.rs (/opt/rustwide/target/debug/deps/stack_test-0bb6d9409502993c) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test stack_test ... ok [INFO] [stdout] test empty_pop - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests data-structure [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" "d2da3f0f8f75d89103984ca78c43271cbc278edf90f5774c5864b62d28a4e959", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2da3f0f8f75d89103984ca78c43271cbc278edf90f5774c5864b62d28a4e959", kill_on_drop: false }` [INFO] [stdout] d2da3f0f8f75d89103984ca78c43271cbc278edf90f5774c5864b62d28a4e959