[INFO] updating cached repository sepiropht/trop-de-liste
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sepiropht/trop-de-liste
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sepiropht/trop-de-liste" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sepiropht/trop-de-liste"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sepiropht/trop-de-liste'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sepiropht/trop-de-liste" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/sepiropht/trop-de-liste"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/sepiropht/trop-de-liste'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 17062ee66e71439d4d9899572252612614730993
[INFO] sha for GitHub repo sepiropht/trop-de-liste: 17062ee66e71439d4d9899572252612614730993
[INFO] validating manifest of sepiropht/trop-de-liste on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sepiropht/trop-de-liste on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sepiropht/trop-de-liste
[INFO] finished frobbing sepiropht/trop-de-liste
[INFO] frobbed toml for sepiropht/trop-de-liste written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sepiropht/trop-de-liste/Cargo.toml
[INFO] started frobbing sepiropht/trop-de-liste
[INFO] finished frobbing sepiropht/trop-de-liste
[INFO] frobbed toml for sepiropht/trop-de-liste written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/sepiropht/trop-de-liste/Cargo.toml
[INFO] crate sepiropht/trop-de-liste has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sepiropht/trop-de-liste against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sepiropht/trop-de-liste:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] cb7bf24d9a756d2bd9a55beb02da7597b8383180aa56af618be04b9454a11b38
[INFO] running `"docker" "start" "-a" "cb7bf24d9a756d2bd9a55beb02da7597b8383180aa56af618be04b9454a11b38"`
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/crater/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 0.55s
[INFO] running `"docker" "inspect" "cb7bf24d9a756d2bd9a55beb02da7597b8383180aa56af618be04b9454a11b38"`
[INFO] running `"docker" "rm" "-f" "cb7bf24d9a756d2bd9a55beb02da7597b8383180aa56af618be04b9454a11b38"`
[INFO] [stdout] cb7bf24d9a756d2bd9a55beb02da7597b8383180aa56af618be04b9454a11b38
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sepiropht/trop-de-liste:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6debbf055b6122e88d7582f0c4463ee069b8a1c4a33f49bfcce23ea0c3e98b40
[INFO] running `"docker" "start" "-a" "6debbf055b6122e88d7582f0c4463ee069b8a1c4a33f49bfcce23ea0c3e98b40"`
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "6debbf055b6122e88d7582f0c4463ee069b8a1c4a33f49bfcce23ea0c3e98b40"`
[INFO] running `"docker" "rm" "-f" "6debbf055b6122e88d7582f0c4463ee069b8a1c4a33f49bfcce23ea0c3e98b40"`
[INFO] [stdout] 6debbf055b6122e88d7582f0c4463ee069b8a1c4a33f49bfcce23ea0c3e98b40
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sepiropht/trop-de-liste:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 31cf3907fcd9f664c6c82d70b4872a3e1ee55276cef1ddbfbd6de7f6e9c8c36e
[INFO] running `"docker" "start" "-a" "31cf3907fcd9f664c6c82d70b4872a3e1ee55276cef1ddbfbd6de7f6e9c8c36e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lists-cb0cb047acdf792c
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test first::test::basics ... ok
[INFO] [stdout] test second::test::into_iter ... ok
[INFO] [stdout] test second::test::iter ... ok
[INFO] [stdout] test second::test::peek ... ok
[INFO] [stdout] test second::test::basics ... 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" "31cf3907fcd9f664c6c82d70b4872a3e1ee55276cef1ddbfbd6de7f6e9c8c36e"`
[INFO] running `"docker" "rm" "-f" "31cf3907fcd9f664c6c82d70b4872a3e1ee55276cef1ddbfbd6de7f6e9c8c36e"`
[INFO] [stdout] 31cf3907fcd9f664c6c82d70b4872a3e1ee55276cef1ddbfbd6de7f6e9c8c36e