[INFO] updating cached repository https://github.com/teijo/cc-2016-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] 2d582e210ec52bb8b190005d9ed322ecb6448fcc
[INFO] testing teijo/cc-2016-rust against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteijo%2Fcc-2016-rust" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/teijo/cc-2016-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/teijo/cc-2016-rust
[INFO] finished tweaking git repo https://github.com/teijo/cc-2016-rust
[INFO] tweaked toml for git repo https://github.com/teijo/cc-2016-rust written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/teijo/cc-2016-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] [stderr] error: the lock file /big/crater/work/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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] 33ce533af61034e200120ad817d2fc7617edd27a2aace29346917a0f43f335ab
[INFO] running `"docker" "start" "-a" "33ce533af61034e200120ad817d2fc7617edd27a2aace29346917a0f43f335ab"`
[INFO] [stderr]    Compiling cc-2016-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `"docker" "inspect" "33ce533af61034e200120ad817d2fc7617edd27a2aace29346917a0f43f335ab"`
[INFO] running `"docker" "rm" "-f" "33ce533af61034e200120ad817d2fc7617edd27a2aace29346917a0f43f335ab"`
[INFO] [stdout] 33ce533af61034e200120ad817d2fc7617edd27a2aace29346917a0f43f335ab
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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] de99d32bccdf260f5dd5748fa4ad5e950eb39a22f53c2635c5f992bd3153043c
[INFO] running `"docker" "start" "-a" "de99d32bccdf260f5dd5748fa4ad5e950eb39a22f53c2635c5f992bd3153043c"`
[INFO] [stderr]    Compiling cc-2016-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "de99d32bccdf260f5dd5748fa4ad5e950eb39a22f53c2635c5f992bd3153043c"`
[INFO] running `"docker" "rm" "-f" "de99d32bccdf260f5dd5748fa4ad5e950eb39a22f53c2635c5f992bd3153043c"`
[INFO] [stdout] de99d32bccdf260f5dd5748fa4ad5e950eb39a22f53c2635c5f992bd3153043c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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] 9c1a21400f2efa74026eb2af6e5fbef796d5979cbd542aa7b451777d7ee3d47e
[INFO] running `"docker" "start" "-a" "9c1a21400f2efa74026eb2af6e5fbef796d5979cbd542aa7b451777d7ee3d47e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cc_2016_rust-a5135b77baa8ba14
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_sample ... 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" "9c1a21400f2efa74026eb2af6e5fbef796d5979cbd542aa7b451777d7ee3d47e"`
[INFO] running `"docker" "rm" "-f" "9c1a21400f2efa74026eb2af6e5fbef796d5979cbd542aa7b451777d7ee3d47e"`
[INFO] [stdout] 9c1a21400f2efa74026eb2af6e5fbef796d5979cbd542aa7b451777d7ee3d47e