[INFO] updating cached repository https://github.com/Chiiruno/rust_playground
[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] 16f4f0bdeb008b519c98f821e523ec81df70b624
[INFO] testing Chiiruno/rust_playground against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FChiiruno%2Frust_playground" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Chiiruno/rust_playground 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/Chiiruno/rust_playground
[INFO] finished tweaking git repo https://github.com/Chiiruno/rust_playground
[INFO] tweaked toml for git repo https://github.com/Chiiruno/rust_playground written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Chiiruno/rust_playground 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/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] cbae6d5a1b736597828b893185b4a1aab87327028bb9cdefcaa14d85d7b37fb3
[INFO] running `"docker" "start" "-a" "cbae6d5a1b736597828b893185b4a1aab87327028bb9cdefcaa14d85d7b37fb3"`
[INFO] [stderr]    Compiling rust_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "cbae6d5a1b736597828b893185b4a1aab87327028bb9cdefcaa14d85d7b37fb3"`
[INFO] running `"docker" "rm" "-f" "cbae6d5a1b736597828b893185b4a1aab87327028bb9cdefcaa14d85d7b37fb3"`
[INFO] [stdout] cbae6d5a1b736597828b893185b4a1aab87327028bb9cdefcaa14d85d7b37fb3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/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] 2924168f10938e9882719b442f15fdf4f8d0b9bec8450142c1c0bdd5f3593bcd
[INFO] running `"docker" "start" "-a" "2924168f10938e9882719b442f15fdf4f8d0b9bec8450142c1c0bdd5f3593bcd"`
[INFO] [stderr]    Compiling rust_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "2924168f10938e9882719b442f15fdf4f8d0b9bec8450142c1c0bdd5f3593bcd"`
[INFO] running `"docker" "rm" "-f" "2924168f10938e9882719b442f15fdf4f8d0b9bec8450142c1c0bdd5f3593bcd"`
[INFO] [stdout] 2924168f10938e9882719b442f15fdf4f8d0b9bec8450142c1c0bdd5f3593bcd
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/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] 61c090673d1302a4150aaca92e597988bd43fdb744bb2d13054712d1bfaa2ff9
[INFO] running `"docker" "start" "-a" "61c090673d1302a4150aaca92e597988bd43fdb744bb2d13054712d1bfaa2ff9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_playground-4da071c5c8f14497
[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" "61c090673d1302a4150aaca92e597988bd43fdb744bb2d13054712d1bfaa2ff9"`
[INFO] running `"docker" "rm" "-f" "61c090673d1302a4150aaca92e597988bd43fdb744bb2d13054712d1bfaa2ff9"`
[INFO] [stdout] 61c090673d1302a4150aaca92e597988bd43fdb744bb2d13054712d1bfaa2ff9