[INFO] updating cached repository https://github.com/yoshuawuyts/playground-failure
[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] 323bcd379523119b67f27c84d459296673ac2e67
[INFO] testing yoshuawuyts/playground-failure against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshuawuyts%2Fplayground-failure" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yoshuawuyts/playground-failure 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/yoshuawuyts/playground-failure
[INFO] finished tweaking git repo https://github.com/yoshuawuyts/playground-failure
[INFO] tweaked toml for git repo https://github.com/yoshuawuyts/playground-failure written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/yoshuawuyts/playground-failure 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] e8936355bbb70a20ab62b18c7bec3f9886da9d974d061f5002e9089604907a09
[INFO] running `"docker" "start" "-a" "e8936355bbb70a20ab62b18c7bec3f9886da9d974d061f5002e9089604907a09"`
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling playground-failure v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.60s
[INFO] running `"docker" "inspect" "e8936355bbb70a20ab62b18c7bec3f9886da9d974d061f5002e9089604907a09"`
[INFO] running `"docker" "rm" "-f" "e8936355bbb70a20ab62b18c7bec3f9886da9d974d061f5002e9089604907a09"`
[INFO] [stdout] e8936355bbb70a20ab62b18c7bec3f9886da9d974d061f5002e9089604907a09
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] 56a32409813481f75a03f88ceddf654266f04359da030388ccb5beef7c755d9f
[INFO] running `"docker" "start" "-a" "56a32409813481f75a03f88ceddf654266f04359da030388ccb5beef7c755d9f"`
[INFO] [stderr]    Compiling playground-failure v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "56a32409813481f75a03f88ceddf654266f04359da030388ccb5beef7c755d9f"`
[INFO] running `"docker" "rm" "-f" "56a32409813481f75a03f88ceddf654266f04359da030388ccb5beef7c755d9f"`
[INFO] [stdout] 56a32409813481f75a03f88ceddf654266f04359da030388ccb5beef7c755d9f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] d1bd3820887d5df1f6c19646c4c6bbe7cdcb1a48fb82acf7b20093f549414e2a
[INFO] running `"docker" "start" "-a" "d1bd3820887d5df1f6c19646c4c6bbe7cdcb1a48fb82acf7b20093f549414e2a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-3e5142ed7a4a305a
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/playground_failure-0149768162e84930
[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] [stderr]    Doc-tests lib
[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" "d1bd3820887d5df1f6c19646c4c6bbe7cdcb1a48fb82acf7b20093f549414e2a"`
[INFO] running `"docker" "rm" "-f" "d1bd3820887d5df1f6c19646c4c6bbe7cdcb1a48fb82acf7b20093f549414e2a"`
[INFO] [stdout] d1bd3820887d5df1f6c19646c4c6bbe7cdcb1a48fb82acf7b20093f549414e2a