[INFO] updating cached repository https://github.com/soenkehahn/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] 41d472a9b04cdb02312edfa8b05bd2d9f85789fb
[INFO] testing soenkehahn/rust-playground against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoenkehahn%2Frust-playground" "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/soenkehahn/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/soenkehahn/rust-playground
[INFO] finished tweaking git repo https://github.com/soenkehahn/rust-playground
[INFO] tweaked toml for git repo https://github.com/soenkehahn/rust-playground written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/soenkehahn/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-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] 35246ec726e453cec5437be82ae070c821ec8523caff5a7d597b326e71bb4b09
[INFO] running `"docker" "start" "-a" "35246ec726e453cec5437be82ae070c821ec8523caff5a7d597b326e71bb4b09"`
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `"docker" "inspect" "35246ec726e453cec5437be82ae070c821ec8523caff5a7d597b326e71bb4b09"`
[INFO] running `"docker" "rm" "-f" "35246ec726e453cec5437be82ae070c821ec8523caff5a7d597b326e71bb4b09"`
[INFO] [stdout] 35246ec726e453cec5437be82ae070c821ec8523caff5a7d597b326e71bb4b09
[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] 0e19c069854b7a3eefd29c90246a012c97ca2af78af11cc0f66a638782351cad
[INFO] running `"docker" "start" "-a" "0e19c069854b7a3eefd29c90246a012c97ca2af78af11cc0f66a638782351cad"`
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "0e19c069854b7a3eefd29c90246a012c97ca2af78af11cc0f66a638782351cad"`
[INFO] running `"docker" "rm" "-f" "0e19c069854b7a3eefd29c90246a012c97ca2af78af11cc0f66a638782351cad"`
[INFO] [stdout] 0e19c069854b7a3eefd29c90246a012c97ca2af78af11cc0f66a638782351cad
[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] dca50226341d89ff8de9df76a6d3978d7e44893190aa83cd9349c26fb09138af
[INFO] running `"docker" "start" "-a" "dca50226341d89ff8de9df76a6d3978d7e44893190aa83cd9349c26fb09138af"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/playground-0796f98275c6b05b
[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" "dca50226341d89ff8de9df76a6d3978d7e44893190aa83cd9349c26fb09138af"`
[INFO] running `"docker" "rm" "-f" "dca50226341d89ff8de9df76a6d3978d7e44893190aa83cd9349c26fb09138af"`
[INFO] [stdout] dca50226341d89ff8de9df76a6d3978d7e44893190aa83cd9349c26fb09138af