[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#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScathonLin%2Frust_datastructure" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ScathonLin/rust_datastructure on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-14/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7b8c2df5f1e799754c1329a7e2a8449dbd75ac088c151e444c36f69c22cbac14 [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" "7b8c2df5f1e799754c1329a7e2a8449dbd75ac088c151e444c36f69c22cbac14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7b8c2df5f1e799754c1329a7e2a8449dbd75ac088c151e444c36f69c22cbac14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b8c2df5f1e799754c1329a7e2a8449dbd75ac088c151e444c36f69c22cbac14", kill_on_drop: false }` [INFO] [stdout] 7b8c2df5f1e799754c1329a7e2a8449dbd75ac088c151e444c36f69c22cbac14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f52831af52cc0ad548fbae71ff2b442a0c1c112189d6abf961d033549ac7f117 [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" "f52831af52cc0ad548fbae71ff2b442a0c1c112189d6abf961d033549ac7f117", 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 1.25s [INFO] running `Command { std: "docker" "inspect" "f52831af52cc0ad548fbae71ff2b442a0c1c112189d6abf961d033549ac7f117", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f52831af52cc0ad548fbae71ff2b442a0c1c112189d6abf961d033549ac7f117", kill_on_drop: false }` [INFO] [stdout] f52831af52cc0ad548fbae71ff2b442a0c1c112189d6abf961d033549ac7f117 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] 02bb356749def5d0709133b18ae01a820539a4a74238c4263a99a9fcf426d7fa [INFO] running `Command { std: "docker" "start" "-a" "02bb356749def5d0709133b18ae01a820539a4a74238c4263a99a9fcf426d7fa", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] [stdout] warning: field is never read: `age` [INFO] [stdout] --> src/stack/mod.rs:180:3 [INFO] [stdout] | [INFO] [stdout] 180 | age: i32, [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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.99s [INFO] running `Command { std: "docker" "inspect" "02bb356749def5d0709133b18ae01a820539a4a74238c4263a99a9fcf426d7fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02bb356749def5d0709133b18ae01a820539a4a74238c4263a99a9fcf426d7fa", kill_on_drop: false }` [INFO] [stdout] 02bb356749def5d0709133b18ae01a820539a4a74238c4263a99a9fcf426d7fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8019bf1cdc7635b60ee0976a95110b4f4cb3b0cf5d8a394edbdaff973f9a5d3c [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" "8019bf1cdc7635b60ee0976a95110b4f4cb3b0cf5d8a394edbdaff973f9a5d3c", 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: `stack_impl_by_rust` (lib) generated 6 warnings [INFO] [stderr] warning: field is never read: `age` [INFO] [stderr] --> src/stack/mod.rs:180:3 [INFO] [stderr] | [INFO] [stderr] 180 | age: i32, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `stack_impl_by_rust` (lib test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/stack_impl_by_rust-10f360dd5a511760) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test queue::test::test_queue_opration ... ok [INFO] [stdout] test stack::test::test_it_with_obj ... ok [INFO] [stdout] test stack::test::test_mut_iterator ... ok [INFO] [stdout] test stack::test::test_pop ... ok [INFO] [stdout] test stack::test::test_basic_operation ... ok [INFO] [stdout] test stack::test::test_iterator ... 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] Running unittests (/opt/rustwide/target/debug/deps/stack_impl_by_rust-ed65dfe753e08a0a) [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" "8019bf1cdc7635b60ee0976a95110b4f4cb3b0cf5d8a394edbdaff973f9a5d3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8019bf1cdc7635b60ee0976a95110b4f4cb3b0cf5d8a394edbdaff973f9a5d3c", kill_on_drop: false }` [INFO] [stdout] 8019bf1cdc7635b60ee0976a95110b4f4cb3b0cf5d8a394edbdaff973f9a5d3c