[INFO] cloning repository https://github.com/mfrw/ll-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mfrw/ll-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfrw%2Fll-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfrw%2Fll-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3ff199c5d69cdb1796a697e3a93c61d7769d70f
[INFO] testing mfrw/ll-rs against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfrw%2Fll-rs" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mfrw/ll-rs 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/mfrw/ll-rs
[INFO] finished tweaking git repo https://github.com/mfrw/ll-rs
[INFO] tweaked toml for git repo https://github.com/mfrw/ll-rs written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/mfrw/ll-rs 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 1f0e337a08486cee7c1383b51595d6fb55942b6f3cab42a00763bbf6dbd32031
[INFO] running `Command { std: "docker" "start" "-a" "1f0e337a08486cee7c1383b51595d6fb55942b6f3cab42a00763bbf6dbd32031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f0e337a08486cee7c1383b51595d6fb55942b6f3cab42a00763bbf6dbd32031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f0e337a08486cee7c1383b51595d6fb55942b6f3cab42a00763bbf6dbd32031", kill_on_drop: false }`
[INFO] [stdout] 1f0e337a08486cee7c1383b51595d6fb55942b6f3cab42a00763bbf6dbd32031
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 092eeff3c9b8bf6c212ffbd8b56c7b6d69d7d824c6d5682414a3ed923173b1db
[INFO] running `Command { std: "docker" "start" "-a" "092eeff3c9b8bf6c212ffbd8b56c7b6d69d7d824c6d5682414a3ed923173b1db", kill_on_drop: false }`
[INFO] [stderr]    Compiling ll-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::List`
[INFO] [stdout]   --> src/first.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     use super::List;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::List`
[INFO] [stdout]    --> src/second.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     use super::List;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "092eeff3c9b8bf6c212ffbd8b56c7b6d69d7d824c6d5682414a3ed923173b1db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "092eeff3c9b8bf6c212ffbd8b56c7b6d69d7d824c6d5682414a3ed923173b1db", kill_on_drop: false }`
[INFO] [stdout] 092eeff3c9b8bf6c212ffbd8b56c7b6d69d7d824c6d5682414a3ed923173b1db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 2977530ab3e289f318a02f786d6ad59a52fedd46877285d85ca4bd55c9f175c1
[INFO] running `Command { std: "docker" "start" "-a" "2977530ab3e289f318a02f786d6ad59a52fedd46877285d85ca4bd55c9f175c1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ll-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "2977530ab3e289f318a02f786d6ad59a52fedd46877285d85ca4bd55c9f175c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2977530ab3e289f318a02f786d6ad59a52fedd46877285d85ca4bd55c9f175c1", kill_on_drop: false }`
[INFO] [stdout] 2977530ab3e289f318a02f786d6ad59a52fedd46877285d85ca4bd55c9f175c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] e9f442c1193f1af3e6ad7ef1f52c153b94875a45b2ac2b0b63bb7c13a8be10d7
[INFO] running `Command { std: "docker" "start" "-a" "e9f442c1193f1af3e6ad7ef1f52c153b94875a45b2ac2b0b63bb7c13a8be10d7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ll_rs-82638be53eb8220a)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test second::test::peek ... ok
[INFO] [stdout] test third::test::basics ... ok
[INFO] [stdout] test second::test::iter_mut ... ok
[INFO] [stdout] test second::test::into_iter ... ok
[INFO] [stdout] test third::test::iter ... ok
[INFO] [stdout] test second::test::basics ... ok
[INFO] [stdout] test second::test::iter ... ok
[INFO] [stdout] test first::test::basics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e9f442c1193f1af3e6ad7ef1f52c153b94875a45b2ac2b0b63bb7c13a8be10d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9f442c1193f1af3e6ad7ef1f52c153b94875a45b2ac2b0b63bb7c13a8be10d7", kill_on_drop: false }`
[INFO] [stdout] e9f442c1193f1af3e6ad7ef1f52c153b94875a45b2ac2b0b63bb7c13a8be10d7