[INFO] crate kern 0.4.0 is already in cache
[INFO] testing kern-0.4.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate kern 0.4.0 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate kern 0.4.0 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 kern 0.4.0
[INFO] finished tweaking crates.io crate kern 0.4.0
[INFO] tweaked toml for crates.io crate kern 0.4.0 written to work/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] 617823050c756822c342f545d2132aea02c176cf500525a8f758dc6dd92e75f5
[INFO] running `"docker" "start" "-a" "617823050c756822c342f545d2132aea02c176cf500525a8f758dc6dd92e75f5"`
[INFO] [stderr]    Compiling kern v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `"docker" "inspect" "617823050c756822c342f545d2132aea02c176cf500525a8f758dc6dd92e75f5"`
[INFO] running `"docker" "rm" "-f" "617823050c756822c342f545d2132aea02c176cf500525a8f758dc6dd92e75f5"`
[INFO] [stdout] 617823050c756822c342f545d2132aea02c176cf500525a8f758dc6dd92e75f5
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] 7fb2ef4ba3c831a8544158fba7a43d33c41d5752eb8e1488af50f82fb886f264
[INFO] running `"docker" "start" "-a" "7fb2ef4ba3c831a8544158fba7a43d33c41d5752eb8e1488af50f82fb886f264"`
[INFO] [stderr]    Compiling kern v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "7fb2ef4ba3c831a8544158fba7a43d33c41d5752eb8e1488af50f82fb886f264"`
[INFO] running `"docker" "rm" "-f" "7fb2ef4ba3c831a8544158fba7a43d33c41d5752eb8e1488af50f82fb886f264"`
[INFO] [stdout] 7fb2ef4ba3c831a8544158fba7a43d33c41d5752eb8e1488af50f82fb886f264
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] 8534066626a290e16daf7fff379b605f84cd9e23fea3461afc112f40e60f93da
[INFO] running `"docker" "start" "-a" "8534066626a290e16daf7fff379b605f84cd9e23fea3461afc112f40e60f93da"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kern-50c9a0e2ce433d4e
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kern
[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" "8534066626a290e16daf7fff379b605f84cd9e23fea3461afc112f40e60f93da"`
[INFO] running `"docker" "rm" "-f" "8534066626a290e16daf7fff379b605f84cd9e23fea3461afc112f40e60f93da"`
[INFO] [stdout] 8534066626a290e16daf7fff379b605f84cd9e23fea3461afc112f40e60f93da