[INFO] updating cached repository https://github.com/brainlulz/guess_rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 502a30973d3229842a735d61da4a50b2bb97b656
[INFO] testing brainlulz/guess_rust against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrainlulz%2Fguess_rust" "work/builds/worker-8/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brainlulz/guess_rust 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 git repo https://github.com/brainlulz/guess_rust
[INFO] finished tweaking git repo https://github.com/brainlulz/guess_rust
[INFO] tweaked toml for git repo https://github.com/brainlulz/guess_rust written to work/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/brainlulz/guess_rust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 28bf3856ff77cb51f61a00bd93288d417e4994d5f3c59f91324a16c2ca6221e0
[INFO] running `"docker" "start" "-a" "28bf3856ff77cb51f61a00bd93288d417e4994d5f3c59f91324a16c2ca6221e0"`
[INFO] [stderr]    Compiling libc v0.2.61
[INFO] [stderr]    Compiling getrandom v0.1.8
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling guess_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.78s
[INFO] running `"docker" "inspect" "28bf3856ff77cb51f61a00bd93288d417e4994d5f3c59f91324a16c2ca6221e0"`
[INFO] running `"docker" "rm" "-f" "28bf3856ff77cb51f61a00bd93288d417e4994d5f3c59f91324a16c2ca6221e0"`
[INFO] [stdout] 28bf3856ff77cb51f61a00bd93288d417e4994d5f3c59f91324a16c2ca6221e0
[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] ce5134f4e1dddeb20a68fb5eb3819a24e740cd8c22c210335345c5d1f3d067b8
[INFO] running `"docker" "start" "-a" "ce5134f4e1dddeb20a68fb5eb3819a24e740cd8c22c210335345c5d1f3d067b8"`
[INFO] [stderr]    Compiling guess_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "ce5134f4e1dddeb20a68fb5eb3819a24e740cd8c22c210335345c5d1f3d067b8"`
[INFO] running `"docker" "rm" "-f" "ce5134f4e1dddeb20a68fb5eb3819a24e740cd8c22c210335345c5d1f3d067b8"`
[INFO] [stdout] ce5134f4e1dddeb20a68fb5eb3819a24e740cd8c22c210335345c5d1f3d067b8
[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] 7c1afb062655bbfd8d854b6ca8bbad81f45c955690b08003c3a95085c4a608df
[INFO] running `"docker" "start" "-a" "7c1afb062655bbfd8d854b6ca8bbad81f45c955690b08003c3a95085c4a608df"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/guess_rust-d3236d34c8f6083f
[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" "7c1afb062655bbfd8d854b6ca8bbad81f45c955690b08003c3a95085c4a608df"`
[INFO] running `"docker" "rm" "-f" "7c1afb062655bbfd8d854b6ca8bbad81f45c955690b08003c3a95085c4a608df"`
[INFO] [stdout] 7c1afb062655bbfd8d854b6ca8bbad81f45c955690b08003c3a95085c4a608df