[INFO] updating cached repository https://github.com/c-o-l-o-r/serde-json-issue
[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] 933d3807891c259da2a2c3508d2ce3cfadcbc95b
[INFO] testing c-o-l-o-r/serde-json-issue against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc-o-l-o-r%2Fserde-json-issue" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/c-o-l-o-r/serde-json-issue on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/c-o-l-o-r/serde-json-issue
[INFO] finished tweaking git repo https://github.com/c-o-l-o-r/serde-json-issue
[INFO] tweaked toml for git repo https://github.com/c-o-l-o-r/serde-json-issue written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/c-o-l-o-r/serde-json-issue already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 50251ca689a80beb3a234e313712876a3ec5f59c6e536749179c82a510b2a708
[INFO] running `"docker" "start" "-a" "50251ca689a80beb3a234e313712876a3ec5f59c6e536749179c82a510b2a708"`
[INFO] [stderr]    Compiling serde-json-issue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "50251ca689a80beb3a234e313712876a3ec5f59c6e536749179c82a510b2a708"`
[INFO] running `"docker" "rm" "-f" "50251ca689a80beb3a234e313712876a3ec5f59c6e536749179c82a510b2a708"`
[INFO] [stdout] 50251ca689a80beb3a234e313712876a3ec5f59c6e536749179c82a510b2a708
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1a2c7ecaed4718fe8bd87340f11abe674c604b0bc74c3ebc2c756120bcf3d7b2
[INFO] running `"docker" "start" "-a" "1a2c7ecaed4718fe8bd87340f11abe674c604b0bc74c3ebc2c756120bcf3d7b2"`
[INFO] [stderr]    Compiling serde-json-issue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `"docker" "inspect" "1a2c7ecaed4718fe8bd87340f11abe674c604b0bc74c3ebc2c756120bcf3d7b2"`
[INFO] running `"docker" "rm" "-f" "1a2c7ecaed4718fe8bd87340f11abe674c604b0bc74c3ebc2c756120bcf3d7b2"`
[INFO] [stdout] 1a2c7ecaed4718fe8bd87340f11abe674c604b0bc74c3ebc2c756120bcf3d7b2
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 1d91343e4f84e05587f135ce2bc5396b27f54dc755b557ca7220536b4d747509
[INFO] running `"docker" "start" "-a" "1d91343e4f84e05587f135ce2bc5396b27f54dc755b557ca7220536b4d747509"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_json_issue-a637cec9d6f75d63
[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" "1d91343e4f84e05587f135ce2bc5396b27f54dc755b557ca7220536b4d747509"`
[INFO] running `"docker" "rm" "-f" "1d91343e4f84e05587f135ce2bc5396b27f54dc755b557ca7220536b4d747509"`
[INFO] [stdout] 1d91343e4f84e05587f135ce2bc5396b27f54dc755b557ca7220536b4d747509