[INFO] crate mut-cell 0.0.0 is already in cache
[INFO] testing mut-cell-0.0.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate mut-cell 0.0.0 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate mut-cell 0.0.0 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 crates.io crate mut-cell 0.0.0
[INFO] finished tweaking crates.io crate mut-cell 0.0.0
[INFO] tweaked toml for crates.io crate mut-cell 0.0.0 written to work/builds/worker-3/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] d9ecc047040e71ba33d9286c9eebafecad8cd7c828c4b60383b35d4c7c9dcdf0
[INFO] running `"docker" "start" "-a" "d9ecc047040e71ba33d9286c9eebafecad8cd7c828c4b60383b35d4c7c9dcdf0"`
[INFO] [stderr]    Compiling mut-cell v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `"docker" "inspect" "d9ecc047040e71ba33d9286c9eebafecad8cd7c828c4b60383b35d4c7c9dcdf0"`
[INFO] running `"docker" "rm" "-f" "d9ecc047040e71ba33d9286c9eebafecad8cd7c828c4b60383b35d4c7c9dcdf0"`
[INFO] [stdout] d9ecc047040e71ba33d9286c9eebafecad8cd7c828c4b60383b35d4c7c9dcdf0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] c4b4d8df0c6081e8b3303946ac73dcdc6104b4d80e2cebaa4004ce8290e182c3
[INFO] running `"docker" "start" "-a" "c4b4d8df0c6081e8b3303946ac73dcdc6104b4d80e2cebaa4004ce8290e182c3"`
[INFO] [stderr]    Compiling mut-cell v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `"docker" "inspect" "c4b4d8df0c6081e8b3303946ac73dcdc6104b4d80e2cebaa4004ce8290e182c3"`
[INFO] running `"docker" "rm" "-f" "c4b4d8df0c6081e8b3303946ac73dcdc6104b4d80e2cebaa4004ce8290e182c3"`
[INFO] [stdout] c4b4d8df0c6081e8b3303946ac73dcdc6104b4d80e2cebaa4004ce8290e182c3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] 6181fae7931b66ad07f76ca04210cea14ee2acd0804148f9e1a309af4786bac5
[INFO] running `"docker" "start" "-a" "6181fae7931b66ad07f76ca04210cea14ee2acd0804148f9e1a309af4786bac5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mut_cell-1780aec8cd7c10f5
[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 mut-cell
[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" "6181fae7931b66ad07f76ca04210cea14ee2acd0804148f9e1a309af4786bac5"`
[INFO] running `"docker" "rm" "-f" "6181fae7931b66ad07f76ca04210cea14ee2acd0804148f9e1a309af4786bac5"`
[INFO] [stdout] 6181fae7931b66ad07f76ca04210cea14ee2acd0804148f9e1a309af4786bac5