[INFO] updating cached repository https://github.com/jxub/collatz-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] 018052c21af7d5a5464cb911324c90dc6b773726
[INFO] testing jxub/collatz-rust against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjxub%2Fcollatz-rust" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jxub/collatz-rust 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 git repo https://github.com/jxub/collatz-rust
[INFO] finished tweaking git repo https://github.com/jxub/collatz-rust
[INFO] tweaked toml for git repo https://github.com/jxub/collatz-rust written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/jxub/collatz-rust already has a lockfile, it will not be regenerated
[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-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] e8716402f9284312881a3cfecd06be1b6a92fd1cc448c0fd75c92c2a6da81315
[INFO] running `"docker" "start" "-a" "e8716402f9284312881a3cfecd06be1b6a92fd1cc448c0fd75c92c2a6da81315"`
[INFO] [stderr]    Compiling collatz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "e8716402f9284312881a3cfecd06be1b6a92fd1cc448c0fd75c92c2a6da81315"`
[INFO] running `"docker" "rm" "-f" "e8716402f9284312881a3cfecd06be1b6a92fd1cc448c0fd75c92c2a6da81315"`
[INFO] [stdout] e8716402f9284312881a3cfecd06be1b6a92fd1cc448c0fd75c92c2a6da81315
[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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 984b929a5d0b39e67d81fc36d1713f05a68965c201382b701c8f3454270c0388
[INFO] running `"docker" "start" "-a" "984b929a5d0b39e67d81fc36d1713f05a68965c201382b701c8f3454270c0388"`
[INFO] [stderr]    Compiling collatz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "984b929a5d0b39e67d81fc36d1713f05a68965c201382b701c8f3454270c0388"`
[INFO] running `"docker" "rm" "-f" "984b929a5d0b39e67d81fc36d1713f05a68965c201382b701c8f3454270c0388"`
[INFO] [stdout] 984b929a5d0b39e67d81fc36d1713f05a68965c201382b701c8f3454270c0388
[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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 6a53cdb10f2abd54137f64f619a92d385b12692b420217fe2c1dc936225d59fd
[INFO] running `"docker" "start" "-a" "6a53cdb10f2abd54137f64f619a92d385b12692b420217fe2c1dc936225d59fd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/collatz-5c942b097e63ab85
[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" "6a53cdb10f2abd54137f64f619a92d385b12692b420217fe2c1dc936225d59fd"`
[INFO] running `"docker" "rm" "-f" "6a53cdb10f2abd54137f64f619a92d385b12692b420217fe2c1dc936225d59fd"`
[INFO] [stdout] 6a53cdb10f2abd54137f64f619a92d385b12692b420217fe2c1dc936225d59fd