[INFO] crate stringer 0.1.6 is already in cache
[INFO] testing stringer-0.1.6 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate stringer 0.1.6 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate stringer 0.1.6 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 stringer 0.1.6
[INFO] finished tweaking crates.io crate stringer 0.1.6
[INFO] tweaked toml for crates.io crate stringer 0.1.6 written to work/builds/worker-2/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-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] c7cc3aeb7e3aa8454a6482d060c3b9c175044cab5e37d60673132fb3a38db98c
[INFO] running `"docker" "start" "-a" "c7cc3aeb7e3aa8454a6482d060c3b9c175044cab5e37d60673132fb3a38db98c"`
[INFO] [stderr]    Compiling stringer v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `"docker" "inspect" "c7cc3aeb7e3aa8454a6482d060c3b9c175044cab5e37d60673132fb3a38db98c"`
[INFO] running `"docker" "rm" "-f" "c7cc3aeb7e3aa8454a6482d060c3b9c175044cab5e37d60673132fb3a38db98c"`
[INFO] [stdout] c7cc3aeb7e3aa8454a6482d060c3b9c175044cab5e37d60673132fb3a38db98c
[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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] e4b702df30bd5de6b22fa6bf33ac4fe0c07ca162ae45f1f2f898344525033470
[INFO] running `"docker" "start" "-a" "e4b702df30bd5de6b22fa6bf33ac4fe0c07ca162ae45f1f2f898344525033470"`
[INFO] [stderr]    Compiling stringer v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `"docker" "inspect" "e4b702df30bd5de6b22fa6bf33ac4fe0c07ca162ae45f1f2f898344525033470"`
[INFO] running `"docker" "rm" "-f" "e4b702df30bd5de6b22fa6bf33ac4fe0c07ca162ae45f1f2f898344525033470"`
[INFO] [stdout] e4b702df30bd5de6b22fa6bf33ac4fe0c07ca162ae45f1f2f898344525033470
[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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] f6a315d7cc02e31d098f50190c673a24e9f3dc7fa209bbf8d15ea8dfbd2354da
[INFO] running `"docker" "start" "-a" "f6a315d7cc02e31d098f50190c673a24e9f3dc7fa209bbf8d15ea8dfbd2354da"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stringer-0b50e2923cdc4b1c
[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 stringer
[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" "f6a315d7cc02e31d098f50190c673a24e9f3dc7fa209bbf8d15ea8dfbd2354da"`
[INFO] running `"docker" "rm" "-f" "f6a315d7cc02e31d098f50190c673a24e9f3dc7fa209bbf8d15ea8dfbd2354da"`
[INFO] [stdout] f6a315d7cc02e31d098f50190c673a24e9f3dc7fa209bbf8d15ea8dfbd2354da