[INFO] updating cached repository https://github.com/williamyaoh/flip
[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] 0fc56d7968201cdb3a8b3da5dfe2809671c2b197
[INFO] testing williamyaoh/flip against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliamyaoh%2Fflip" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/williamyaoh/flip 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/williamyaoh/flip
[INFO] finished tweaking git repo https://github.com/williamyaoh/flip
[INFO] tweaked toml for git repo https://github.com/williamyaoh/flip written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/williamyaoh/flip 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] 834928a68f0db69b7d3b74472cacc365fb6e78c6af8248c1f88bd1d5b9110cef
[INFO] running `"docker" "start" "-a" "834928a68f0db69b7d3b74472cacc365fb6e78c6af8248c1f88bd1d5b9110cef"`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling arg_input v1.0.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling docopt v0.7.0
[INFO] [stderr]    Compiling flip v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.37s
[INFO] running `"docker" "inspect" "834928a68f0db69b7d3b74472cacc365fb6e78c6af8248c1f88bd1d5b9110cef"`
[INFO] running `"docker" "rm" "-f" "834928a68f0db69b7d3b74472cacc365fb6e78c6af8248c1f88bd1d5b9110cef"`
[INFO] [stdout] 834928a68f0db69b7d3b74472cacc365fb6e78c6af8248c1f88bd1d5b9110cef
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] c2f40974a6263337c3cc35f565b1d8fdf37c3176b0ad749d4aad726594b1a74a
[INFO] running `"docker" "start" "-a" "c2f40974a6263337c3cc35f565b1d8fdf37c3176b0ad749d4aad726594b1a74a"`
[INFO] [stderr]    Compiling flip v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "c2f40974a6263337c3cc35f565b1d8fdf37c3176b0ad749d4aad726594b1a74a"`
[INFO] running `"docker" "rm" "-f" "c2f40974a6263337c3cc35f565b1d8fdf37c3176b0ad749d4aad726594b1a74a"`
[INFO] [stdout] c2f40974a6263337c3cc35f565b1d8fdf37c3176b0ad749d4aad726594b1a74a
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] c0628fa6b71c4cd4f5cbb3889678b9a7c66211d2abccd5a0b7569edcdeb9a0ce
[INFO] running `"docker" "start" "-a" "c0628fa6b71c4cd4f5cbb3889678b9a7c66211d2abccd5a0b7569edcdeb9a0ce"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/flip-a2928747de018239
[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" "c0628fa6b71c4cd4f5cbb3889678b9a7c66211d2abccd5a0b7569edcdeb9a0ce"`
[INFO] running `"docker" "rm" "-f" "c0628fa6b71c4cd4f5cbb3889678b9a7c66211d2abccd5a0b7569edcdeb9a0ce"`
[INFO] [stdout] c0628fa6b71c4cd4f5cbb3889678b9a7c66211d2abccd5a0b7569edcdeb9a0ce