[INFO] updating cached repository https://github.com/otaviopace/linked-lists
[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] 97f9a022bd74c0592584a8f4a717d494f762c794
[INFO] testing otaviopace/linked-lists against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fotaviopace%2Flinked-lists" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/otaviopace/linked-lists on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/otaviopace/linked-lists
[INFO] finished tweaking git repo https://github.com/otaviopace/linked-lists
[INFO] tweaked toml for git repo https://github.com/otaviopace/linked-lists written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/otaviopace/linked-lists already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] d85efc2303f6fef7f51587ea404de67871eb8fd02955f7b6b5a351b947036f5a
[INFO] running `"docker" "start" "-a" "d85efc2303f6fef7f51587ea404de67871eb8fd02955f7b6b5a351b947036f5a"`
[INFO] [stderr]    Compiling linked-lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `iter`
[INFO] [stderr]   --> src/third.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     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 0.19s
[INFO] running `"docker" "inspect" "d85efc2303f6fef7f51587ea404de67871eb8fd02955f7b6b5a351b947036f5a"`
[INFO] running `"docker" "rm" "-f" "d85efc2303f6fef7f51587ea404de67871eb8fd02955f7b6b5a351b947036f5a"`
[INFO] [stdout] d85efc2303f6fef7f51587ea404de67871eb8fd02955f7b6b5a351b947036f5a
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9a1b9b4cdde5afae39ab51b719581933e5c719826030c9050dec48ed9cb62add
[INFO] running `"docker" "start" "-a" "9a1b9b4cdde5afae39ab51b719581933e5c719826030c9050dec48ed9cb62add"`
[INFO] [stderr]    Compiling linked-lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "9a1b9b4cdde5afae39ab51b719581933e5c719826030c9050dec48ed9cb62add"`
[INFO] running `"docker" "rm" "-f" "9a1b9b4cdde5afae39ab51b719581933e5c719826030c9050dec48ed9cb62add"`
[INFO] [stdout] 9a1b9b4cdde5afae39ab51b719581933e5c719826030c9050dec48ed9cb62add
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] ea47e6a9b51623809407b8e4f2ffe7e0f02e48e5a6494fada383b56b6d4e88dc
[INFO] running `"docker" "start" "-a" "ea47e6a9b51623809407b8e4f2ffe7e0f02e48e5a6494fada383b56b6d4e88dc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/linked_lists-ab590a6a2d32813a
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test fifth::test::basics ... ok
[INFO] [stdout] test fifth::test::into_iter ... ok
[INFO] [stdout] test fifth::test::iter ... ok
[INFO] [stdout] test fifth::test::iter_mut ... ok
[INFO] [stdout] test fourth::test::into_iter ... ok
[INFO] [stdout] test fourth::test::peek ... ok
[INFO] [stdout] test second::test::basics ... ok
[INFO] [stdout] test fourth::test::basics ... ok
[INFO] [stdout] test second::test::iter ... ok
[INFO] [stdout] test second::test::into_iter ... ok
[INFO] [stdout] test first::test::basics ... ok
[INFO] [stdout] test second::test::iter_mut ... ok
[INFO] [stdout] test second::test::peek ... ok
[INFO] [stdout] test third::test::basics ... ok
[INFO] [stdout] test silly1::test::walk_aboot ... ok
[INFO] [stdout] test third::test::iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linked-lists
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ea47e6a9b51623809407b8e4f2ffe7e0f02e48e5a6494fada383b56b6d4e88dc"`
[INFO] running `"docker" "rm" "-f" "ea47e6a9b51623809407b8e4f2ffe7e0f02e48e5a6494fada383b56b6d4e88dc"`
[INFO] [stdout] ea47e6a9b51623809407b8e4f2ffe7e0f02e48e5a6494fada383b56b6d4e88dc