[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 beta-2021-09-08 for beta-1.56-1
[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 beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65d50cfaab8e2e36ee3d5e0589b72e623e04d0ee5e5f86f06af5f2873eecd02f
[INFO] running `Command { std: "docker" "start" "-a" "65d50cfaab8e2e36ee3d5e0589b72e623e04d0ee5e5f86f06af5f2873eecd02f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65d50cfaab8e2e36ee3d5e0589b72e623e04d0ee5e5f86f06af5f2873eecd02f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65d50cfaab8e2e36ee3d5e0589b72e623e04d0ee5e5f86f06af5f2873eecd02f", kill_on_drop: false }`
[INFO] [stdout] 65d50cfaab8e2e36ee3d5e0589b72e623e04d0ee5e5f86f06af5f2873eecd02f
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 838327542f555790dbd6737a90cdcb0ada4b3e1cf0e47144b8b82c75fb81ec8a
[INFO] running `Command { std: "docker" "start" "-a" "838327542f555790dbd6737a90cdcb0ada4b3e1cf0e47144b8b82c75fb81ec8a", 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] [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 4.36s
[INFO] running `Command { std: "docker" "inspect" "838327542f555790dbd6737a90cdcb0ada4b3e1cf0e47144b8b82c75fb81ec8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "838327542f555790dbd6737a90cdcb0ada4b3e1cf0e47144b8b82c75fb81ec8a", kill_on_drop: false }`
[INFO] [stdout] 838327542f555790dbd6737a90cdcb0ada4b3e1cf0e47144b8b82c75fb81ec8a
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2cc5e479c56dcff77447af889b935b5b7b95bfac462f872ff49579225910ee1
[INFO] running `Command { std: "docker" "start" "-a" "c2cc5e479c56dcff77447af889b935b5b7b95bfac462f872ff49579225910ee1", 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 1.45s
[INFO] running `Command { std: "docker" "inspect" "c2cc5e479c56dcff77447af889b935b5b7b95bfac462f872ff49579225910ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2cc5e479c56dcff77447af889b935b5b7b95bfac462f872ff49579225910ee1", kill_on_drop: false }`
[INFO] [stdout] c2cc5e479c56dcff77447af889b935b5b7b95bfac462f872ff49579225910ee1
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e6e2f47159bef845264c767c17dde1392ae499c59d8988462e631990df6e6237
[INFO] running `Command { std: "docker" "start" "-a" "e6e2f47159bef845264c767c17dde1392ae499c59d8988462e631990df6e6237", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ll_rs-392f581097f28c9d)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test first::test::basics ... ok
[INFO] [stdout] test second::test::iter ... ok
[INFO] [stdout] test third::test::iter ... ok
[INFO] [stdout] test third::test::basics ... ok
[INFO] [stdout] test second::test::into_iter ... ok
[INFO] [stdout] test second::test::peek ... ok
[INFO] [stdout] test second::test::iter_mut ... ok
[INFO] [stdout] test second::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" "e6e2f47159bef845264c767c17dde1392ae499c59d8988462e631990df6e6237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6e2f47159bef845264c767c17dde1392ae499c59d8988462e631990df6e6237", kill_on_drop: false }`
[INFO] [stdout] e6e2f47159bef845264c767c17dde1392ae499c59d8988462e631990df6e6237