[INFO] cloning repository https://github.com/ScathonLin/rust_datastructure [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ScathonLin/rust_datastructure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScathonLin%2Frust_datastructure", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScathonLin%2Frust_datastructure'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f8df5f0d0e109f4d038b9f820e3deb5411d74df0 [INFO] testing ScathonLin/rust_datastructure against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScathonLin%2Frust_datastructure" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ScathonLin/rust_datastructure on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ScathonLin/rust_datastructure [INFO] finished tweaking git repo https://github.com/ScathonLin/rust_datastructure [INFO] tweaked toml for git repo https://github.com/ScathonLin/rust_datastructure written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/ScathonLin/rust_datastructure already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f4f6742b5398605e7db844bec37279d9aee5b1aeaa9e0155be10a6ed9673ac9e [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" "f4f6742b5398605e7db844bec37279d9aee5b1aeaa9e0155be10a6ed9673ac9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f4f6742b5398605e7db844bec37279d9aee5b1aeaa9e0155be10a6ed9673ac9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4f6742b5398605e7db844bec37279d9aee5b1aeaa9e0155be10a6ed9673ac9e", kill_on_drop: false }` [INFO] [stdout] f4f6742b5398605e7db844bec37279d9aee5b1aeaa9e0155be10a6ed9673ac9e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] adea5413904fba24322c89f652ed4a289b688bd0e311105c6f77c8e98c3a054b [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" "adea5413904fba24322c89f652ed4a289b688bd0e311105c6f77c8e98c3a054b", kill_on_drop: false }` [INFO] [stderr] Compiling stack_impl_by_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `Node` [INFO] [stdout] --> src/queue/mod.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Queue` [INFO] [stdout] --> src/queue/mod.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct Queue { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/queue/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | fn new() -> Queue { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> src/queue/mod.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | fn push(&mut self, elem: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/queue/mod.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/queue/mod.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.98s [INFO] running `Command { std: "docker" "inspect" "adea5413904fba24322c89f652ed4a289b688bd0e311105c6f77c8e98c3a054b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "adea5413904fba24322c89f652ed4a289b688bd0e311105c6f77c8e98c3a054b", kill_on_drop: false }` [INFO] [stdout] adea5413904fba24322c89f652ed4a289b688bd0e311105c6f77c8e98c3a054b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 24269f46f40d983bb4c15cab0b14f9af75462c5ba87615aed3c600538ff5838f [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" "24269f46f40d983bb4c15cab0b14f9af75462c5ba87615aed3c600538ff5838f", kill_on_drop: false }` [INFO] [stdout] warning: struct is never constructed: `Node` [INFO] [stdout] --> src/queue/mod.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling stack_impl_by_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `Queue` [INFO] [stdout] --> src/queue/mod.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct Queue { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/queue/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | fn new() -> Queue { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> src/queue/mod.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | fn push(&mut self, elem: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/queue/mod.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/queue/mod.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.15s [INFO] running `Command { std: "docker" "inspect" "24269f46f40d983bb4c15cab0b14f9af75462c5ba87615aed3c600538ff5838f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24269f46f40d983bb4c15cab0b14f9af75462c5ba87615aed3c600538ff5838f", kill_on_drop: false }` [INFO] [stdout] 24269f46f40d983bb4c15cab0b14f9af75462c5ba87615aed3c600538ff5838f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ad04aef6e3c9dda647156bef5c80583ff7cc9f3c85b583d9d34e9437cd86eaff [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" "ad04aef6e3c9dda647156bef5c80583ff7cc9f3c85b583d9d34e9437cd86eaff", kill_on_drop: false }` [INFO] [stderr] warning: struct is never constructed: `Node` [INFO] [stderr] --> src/queue/mod.rs:2:8 [INFO] [stderr] | [INFO] [stderr] 2 | struct Node { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Queue` [INFO] [stderr] --> src/queue/mod.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | struct Queue { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/queue/mod.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | fn new() -> Queue { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `push` [INFO] [stderr] --> src/queue/mod.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | fn push(&mut self, elem: T) { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `pop` [INFO] [stderr] --> src/queue/mod.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | fn pop(&mut self) -> Option { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek` [INFO] [stderr] --> src/queue/mod.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | fn peek(&self) -> Option<&T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/stack_impl_by_rust-150b3bec028451fe) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/stack_impl_by_rust-42d34bf0c86f22eb) [INFO] [stdout] running 6 tests [INFO] [stdout] test queue::test::test_queue_opration ... ok [INFO] [stdout] test stack::test::test_basic_operation ... ok [INFO] [stdout] test stack::test::test_it_with_obj ... ok [INFO] [stdout] test stack::test::test_iterator ... ok [INFO] [stdout] test stack::test::test_mut_iterator ... ok [INFO] [stdout] test stack::test::test_pop ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [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 stack_impl_by_rust [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" "ad04aef6e3c9dda647156bef5c80583ff7cc9f3c85b583d9d34e9437cd86eaff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad04aef6e3c9dda647156bef5c80583ff7cc9f3c85b583d9d34e9437cd86eaff", kill_on_drop: false }` [INFO] [stdout] ad04aef6e3c9dda647156bef5c80583ff7cc9f3c85b583d9d34e9437cd86eaff