[INFO] cloning repository https://github.com/wglane/linked-list [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wglane/linked-list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwglane%2Flinked-list", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwglane%2Flinked-list'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 735b7c37937467dcf5cbc82809e0dec63af1c3cb [INFO] testing wglane/linked-list against 1.77.0 for beta-1.78-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwglane%2Flinked-list" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wglane/linked-list on toolchain 1.77.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wglane/linked-list [INFO] finished tweaking git repo https://github.com/wglane/linked-list [INFO] tweaked toml for git repo https://github.com/wglane/linked-list written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/wglane/linked-list already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0d68cedee297464fd0d2ea1df5c80a3e69720daa3aa3fa1db81663c2a4eabaca [INFO] running `Command { std: "docker" "start" "-a" "0d68cedee297464fd0d2ea1df5c80a3e69720daa3aa3fa1db81663c2a4eabaca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d68cedee297464fd0d2ea1df5c80a3e69720daa3aa3fa1db81663c2a4eabaca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d68cedee297464fd0d2ea1df5c80a3e69720daa3aa3fa1db81663c2a4eabaca", kill_on_drop: false }` [INFO] [stdout] 0d68cedee297464fd0d2ea1df5c80a3e69720daa3aa3fa1db81663c2a4eabaca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c2edb8b008358e39bcbf17eae87bc543ae32c50adebdf17e87941f5ab5adb3c [INFO] running `Command { std: "docker" "start" "-a" "7c2edb8b008358e39bcbf17eae87bc543ae32c50adebdf17e87941f5ab5adb3c", kill_on_drop: false }` [INFO] [stderr] Compiling linked_list v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/list.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl List { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 15 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | fn push(&mut self, data: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | fn pop_verbose(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | fn peek_mut(&mut self) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | fn empty(&self) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 74 | fn iter(&self) -> Iter { [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 dev [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "7c2edb8b008358e39bcbf17eae87bc543ae32c50adebdf17e87941f5ab5adb3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c2edb8b008358e39bcbf17eae87bc543ae32c50adebdf17e87941f5ab5adb3c", kill_on_drop: false }` [INFO] [stdout] 7c2edb8b008358e39bcbf17eae87bc543ae32c50adebdf17e87941f5ab5adb3c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] db72a43107751a79b613c0751d784a3c5c87226c10e0232e4f9624547341ff1e [INFO] running `Command { std: "docker" "start" "-a" "db72a43107751a79b613c0751d784a3c5c87226c10e0232e4f9624547341ff1e", kill_on_drop: false }` [INFO] [stderr] Compiling linked_list v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `Command { std: "docker" "inspect" "db72a43107751a79b613c0751d784a3c5c87226c10e0232e4f9624547341ff1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db72a43107751a79b613c0751d784a3c5c87226c10e0232e4f9624547341ff1e", kill_on_drop: false }` [INFO] [stdout] db72a43107751a79b613c0751d784a3c5c87226c10e0232e4f9624547341ff1e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 62fd6d82843877f4b2d3725fea79cf79dc04dfffa22fcf5e00b909c308f16e43 [INFO] running `Command { std: "docker" "start" "-a" "62fd6d82843877f4b2d3725fea79cf79dc04dfffa22fcf5e00b909c308f16e43", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/linked_list-36d828d38790a0e6) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test list::test::test_take ... ok [INFO] [stdout] test list::test::test_push_pop ... ok [INFO] [stdout] test list::test::test_iter ... ok [INFO] [stdout] test list::test::test_peek ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "62fd6d82843877f4b2d3725fea79cf79dc04dfffa22fcf5e00b909c308f16e43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62fd6d82843877f4b2d3725fea79cf79dc04dfffa22fcf5e00b909c308f16e43", kill_on_drop: false }` [INFO] [stdout] 62fd6d82843877f4b2d3725fea79cf79dc04dfffa22fcf5e00b909c308f16e43