[INFO] updating cached repository https://github.com/sepiropht/trop-de-liste
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 17062ee66e71439d4d9899572252612614730993
[INFO] testing sepiropht/trop-de-liste against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsepiropht%2Ftrop-de-liste" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sepiropht/trop-de-liste on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sepiropht/trop-de-liste
[INFO] finished tweaking git repo https://github.com/sepiropht/trop-de-liste
[INFO] tweaked toml for git repo https://github.com/sepiropht/trop-de-liste written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/sepiropht/trop-de-liste already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 86d99b669c093f1aaa2efc549cb880e72177665923ad951a328aa13d893dea40
[INFO] running `"docker" "start" "-a" "86d99b669c093f1aaa2efc549cb880e72177665923ad951a328aa13d893dea40"`
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `iter`
[INFO] [stderr]   --> src/second.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn iter<'a>(&'a self) -> Iter<'a, T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "86d99b669c093f1aaa2efc549cb880e72177665923ad951a328aa13d893dea40"`
[INFO] running `"docker" "rm" "-f" "86d99b669c093f1aaa2efc549cb880e72177665923ad951a328aa13d893dea40"`
[INFO] [stdout] 86d99b669c093f1aaa2efc549cb880e72177665923ad951a328aa13d893dea40
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 61a5bbe51d039dcdbd09194843f203cfce8ec203c455f12a7938f7fd036ac3b0
[INFO] running `"docker" "start" "-a" "61a5bbe51d039dcdbd09194843f203cfce8ec203c455f12a7938f7fd036ac3b0"`
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "61a5bbe51d039dcdbd09194843f203cfce8ec203c455f12a7938f7fd036ac3b0"`
[INFO] running `"docker" "rm" "-f" "61a5bbe51d039dcdbd09194843f203cfce8ec203c455f12a7938f7fd036ac3b0"`
[INFO] [stdout] 61a5bbe51d039dcdbd09194843f203cfce8ec203c455f12a7938f7fd036ac3b0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 2d7b1cc7fa251ae86c8ae0ad23f06f2b7dc552876c1ff2071ac9763eb978ef0c
[INFO] running `"docker" "start" "-a" "2d7b1cc7fa251ae86c8ae0ad23f06f2b7dc552876c1ff2071ac9763eb978ef0c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lists-c22e46426a694656
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test first::test::basics ... ok
[INFO] [stdout] test second::test::basics ... ok
[INFO] [stdout] test second::test::into_iter ... ok
[INFO] [stdout] test second::test::peek ... ok
[INFO] [stdout] test second::test::iter ... ok
[INFO] [stdout] test second::test::iter_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2d7b1cc7fa251ae86c8ae0ad23f06f2b7dc552876c1ff2071ac9763eb978ef0c"`
[INFO] running `"docker" "rm" "-f" "2d7b1cc7fa251ae86c8ae0ad23f06f2b7dc552876c1ff2071ac9763eb978ef0c"`
[INFO] [stdout] 2d7b1cc7fa251ae86c8ae0ad23f06f2b7dc552876c1ff2071ac9763eb978ef0c