[INFO] updating cached repository MggMuggins/code_runner
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MggMuggins/code_runner
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MggMuggins/code_runner" "work/ex/beta-1.38-1/sources/1.37.0/gh/MggMuggins/code_runner"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/MggMuggins/code_runner'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MggMuggins/code_runner" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MggMuggins/code_runner"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MggMuggins/code_runner'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f9e9d803fb91a2e5f45d0902b6deee42d814d93
[INFO] sha for GitHub repo MggMuggins/code_runner: 5f9e9d803fb91a2e5f45d0902b6deee42d814d93
[INFO] validating manifest of MggMuggins/code_runner on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of MggMuggins/code_runner on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing MggMuggins/code_runner
[INFO] finished frobbing MggMuggins/code_runner
[INFO] frobbed toml for MggMuggins/code_runner written to work/ex/beta-1.38-1/sources/1.37.0/gh/MggMuggins/code_runner/Cargo.toml
[INFO] started frobbing MggMuggins/code_runner
[INFO] finished frobbing MggMuggins/code_runner
[INFO] frobbed toml for MggMuggins/code_runner written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MggMuggins/code_runner/Cargo.toml
[INFO] crate MggMuggins/code_runner already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing MggMuggins/code_runner against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MggMuggins/code_runner:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 576b8ba705d353ef331ebf362d67c0ebc2d3dd99d4199d84b0e6fc85dc05a404
[INFO] running `"docker" "start" "-a" "576b8ba705d353ef331ebf362d67c0ebc2d3dd99d4199d84b0e6fc85dc05a404"`
[INFO] [stderr]    Compiling serde v1.0.38
[INFO] [stderr]    Compiling openssl-sys v0.9.28
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling base64 v0.8.0
[INFO] [stderr]    Compiling yaml-rust v0.4.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling parking_lot_core v0.2.13
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling backtrace v0.3.6
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling parking_lot v0.5.4
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling flate2 v1.0.1
[INFO] [stderr]    Compiling mime_guess v1.8.4
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling serde_derive v1.0.38
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling multipart v0.13.6
[INFO] [stderr]    Compiling hyper-native-tls v0.2.4
[INFO] [stderr]    Compiling evzht9h3nznqzwl v0.0.3
[INFO] [stderr]    Compiling serde_json v1.0.14
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling serde_yaml v0.7.3
[INFO] [stderr]    Compiling serenity v0.5.2
[INFO] [stderr]    Compiling code_runner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `"docker" "inspect" "576b8ba705d353ef331ebf362d67c0ebc2d3dd99d4199d84b0e6fc85dc05a404"`
[INFO] running `"docker" "rm" "-f" "576b8ba705d353ef331ebf362d67c0ebc2d3dd99d4199d84b0e6fc85dc05a404"`
[INFO] [stdout] 576b8ba705d353ef331ebf362d67c0ebc2d3dd99d4199d84b0e6fc85dc05a404
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MggMuggins/code_runner:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9fccdbd8be88ab7c5d0aba6e47146bbb024148fd8438563fa2a3d15006fed2e5
[INFO] running `"docker" "start" "-a" "9fccdbd8be88ab7c5d0aba6e47146bbb024148fd8438563fa2a3d15006fed2e5"`
[INFO] [stderr]    Compiling code_runner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `"docker" "inspect" "9fccdbd8be88ab7c5d0aba6e47146bbb024148fd8438563fa2a3d15006fed2e5"`
[INFO] running `"docker" "rm" "-f" "9fccdbd8be88ab7c5d0aba6e47146bbb024148fd8438563fa2a3d15006fed2e5"`
[INFO] [stdout] 9fccdbd8be88ab7c5d0aba6e47146bbb024148fd8438563fa2a3d15006fed2e5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MggMuggins/code_runner:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 9a74af1288e08160f405c5ced3daa7aee4b9ab2126b8eb9c133504e2c156c991
[INFO] running `"docker" "start" "-a" "9a74af1288e08160f405c5ced3daa7aee4b9ab2126b8eb9c133504e2c156c991"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/code_runner-9f3a1fbc1819834b
[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" "9a74af1288e08160f405c5ced3daa7aee4b9ab2126b8eb9c133504e2c156c991"`
[INFO] running `"docker" "rm" "-f" "9a74af1288e08160f405c5ced3daa7aee4b9ab2126b8eb9c133504e2c156c991"`
[INFO] [stdout] 9a74af1288e08160f405c5ced3daa7aee4b9ab2126b8eb9c133504e2c156c991