[INFO] crate retain_mut 0.1.0 is already in cache
[INFO] testing retain_mut-0.1.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate retain_mut 0.1.0 into work/builds/worker-8/source
[INFO] validating manifest of crates.io crate retain_mut 0.1.0 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 retain_mut 0.1.0
[INFO] finished tweaking crates.io crate retain_mut 0.1.0
[INFO] tweaked toml for crates.io crate retain_mut 0.1.0 written to work/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/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] 411e9bfa0259bee7b334defd15335279dfc8d8293102c2ae5932f73e97947cc7
[INFO] running `"docker" "start" "-a" "411e9bfa0259bee7b334defd15335279dfc8d8293102c2ae5932f73e97947cc7"`
[INFO] [stderr]    Compiling retain_mut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `"docker" "inspect" "411e9bfa0259bee7b334defd15335279dfc8d8293102c2ae5932f73e97947cc7"`
[INFO] running `"docker" "rm" "-f" "411e9bfa0259bee7b334defd15335279dfc8d8293102c2ae5932f73e97947cc7"`
[INFO] [stdout] 411e9bfa0259bee7b334defd15335279dfc8d8293102c2ae5932f73e97947cc7
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/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] b31d95f3de397c8b19079e46c6ae2758fa1126782c7e83d9219fcb30d3828f06
[INFO] running `"docker" "start" "-a" "b31d95f3de397c8b19079e46c6ae2758fa1126782c7e83d9219fcb30d3828f06"`
[INFO] [stderr]    Compiling retain_mut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `"docker" "inspect" "b31d95f3de397c8b19079e46c6ae2758fa1126782c7e83d9219fcb30d3828f06"`
[INFO] running `"docker" "rm" "-f" "b31d95f3de397c8b19079e46c6ae2758fa1126782c7e83d9219fcb30d3828f06"`
[INFO] [stdout] b31d95f3de397c8b19079e46c6ae2758fa1126782c7e83d9219fcb30d3828f06
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/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] 2904e1fe293177a2b3051d6d3aa6050bb7e543f44b92dcd72d369012c4d74441
[INFO] running `"docker" "start" "-a" "2904e1fe293177a2b3051d6d3aa6050bb7e543f44b92dcd72d369012c4d74441"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/retain_mut-68590fddb2ff959d
[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] [stderr]    Doc-tests retain_mut
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - RetainMut::retain_mut (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2904e1fe293177a2b3051d6d3aa6050bb7e543f44b92dcd72d369012c4d74441"`
[INFO] running `"docker" "rm" "-f" "2904e1fe293177a2b3051d6d3aa6050bb7e543f44b92dcd72d369012c4d74441"`
[INFO] [stdout] 2904e1fe293177a2b3051d6d3aa6050bb7e543f44b92dcd72d369012c4d74441