[INFO] crate ref_slice 1.1.1 is already in cache
[INFO] testing ref_slice-1.1.1 against 1.38.0 for beta-1.39-1
[INFO] extracting crate ref_slice 1.1.1 into work/builds/worker-5/source
[INFO] validating manifest of crates.io crate ref_slice 1.1.1 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 crates.io crate ref_slice 1.1.1
[INFO] finished tweaking crates.io crate ref_slice 1.1.1
[INFO] tweaked toml for crates.io crate ref_slice 1.1.1 written to work/builds/worker-5/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] e797a3e203d37a24c3bd32c0b2a7c4db21063407e18dd3fdfb74dd980a40447d
[INFO] running `"docker" "start" "-a" "e797a3e203d37a24c3bd32c0b2a7c4db21063407e18dd3fdfb74dd980a40447d"`
[INFO] [stderr]    Compiling ref_slice v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `"docker" "inspect" "e797a3e203d37a24c3bd32c0b2a7c4db21063407e18dd3fdfb74dd980a40447d"`
[INFO] running `"docker" "rm" "-f" "e797a3e203d37a24c3bd32c0b2a7c4db21063407e18dd3fdfb74dd980a40447d"`
[INFO] [stdout] e797a3e203d37a24c3bd32c0b2a7c4db21063407e18dd3fdfb74dd980a40447d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] aa3c5358eb6182f728ec9b4caf881751917e561c42fe3fa99e0107caac46c137
[INFO] running `"docker" "start" "-a" "aa3c5358eb6182f728ec9b4caf881751917e561c42fe3fa99e0107caac46c137"`
[INFO] [stderr]    Compiling ref_slice v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "aa3c5358eb6182f728ec9b4caf881751917e561c42fe3fa99e0107caac46c137"`
[INFO] running `"docker" "rm" "-f" "aa3c5358eb6182f728ec9b4caf881751917e561c42fe3fa99e0107caac46c137"`
[INFO] [stdout] aa3c5358eb6182f728ec9b4caf881751917e561c42fe3fa99e0107caac46c137
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] 46f049b90866287fbb1467f59d9fff928c96981da3783cf41178ea5b1cbf17cf
[INFO] running `"docker" "start" "-a" "46f049b90866287fbb1467f59d9fff928c96981da3783cf41178ea5b1cbf17cf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ref_slice-44b4dc137d1a6af6
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::check_mut ... ok
[INFO] [stdout] test tests::check ... ok
[INFO] [stdout] test tests::check_opt ... ok
[INFO] [stdout] test tests::check_opt_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ref_slice
[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" "46f049b90866287fbb1467f59d9fff928c96981da3783cf41178ea5b1cbf17cf"`
[INFO] running `"docker" "rm" "-f" "46f049b90866287fbb1467f59d9fff928c96981da3783cf41178ea5b1cbf17cf"`
[INFO] [stdout] 46f049b90866287fbb1467f59d9fff928c96981da3783cf41178ea5b1cbf17cf