[INFO] updating cached repository epsimatt/serpent
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/epsimatt/serpent
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/epsimatt/serpent" "work/ex/beta-1.37-6/sources/1.36.0/gh/epsimatt/serpent"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/epsimatt/serpent'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/epsimatt/serpent" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/epsimatt/serpent"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/epsimatt/serpent'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0eb4a7d965817d86648c7110bad6cb85b3d2474c
[INFO] sha for GitHub repo epsimatt/serpent: 0eb4a7d965817d86648c7110bad6cb85b3d2474c
[INFO] validating manifest of epsimatt/serpent on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of epsimatt/serpent on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing epsimatt/serpent
[INFO] finished frobbing epsimatt/serpent
[INFO] frobbed toml for epsimatt/serpent written to work/ex/beta-1.37-6/sources/1.36.0/gh/epsimatt/serpent/Cargo.toml
[INFO] started frobbing epsimatt/serpent
[INFO] finished frobbing epsimatt/serpent
[INFO] frobbed toml for epsimatt/serpent written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/epsimatt/serpent/Cargo.toml
[INFO] crate epsimatt/serpent already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing epsimatt/serpent against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/epsimatt/serpent:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] dbbe836a93c2b1af3dfcbdeb67160ebc34cff39df5af71c133174e1be7d06913
[INFO] running `"docker" "start" "-a" "dbbe836a93c2b1af3dfcbdeb67160ebc34cff39df5af71c133174e1be7d06913"`
[INFO] [stderr]    Compiling base64 v0.8.0
[INFO] [stderr]    Compiling mlog v0.2.1
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling serde_json v1.0.35
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling flate2 v1.0.6
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling multipart v0.13.6
[INFO] [stderr]    Compiling evzht9h3nznqzwl v0.0.3
[INFO] [stderr]    Compiling hyper-native-tls v0.2.4
[INFO] [stderr]    Compiling serenity v0.5.11
[INFO] [stderr]    Compiling serpent v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `"docker" "inspect" "dbbe836a93c2b1af3dfcbdeb67160ebc34cff39df5af71c133174e1be7d06913"`
[INFO] running `"docker" "rm" "-f" "dbbe836a93c2b1af3dfcbdeb67160ebc34cff39df5af71c133174e1be7d06913"`
[INFO] [stdout] dbbe836a93c2b1af3dfcbdeb67160ebc34cff39df5af71c133174e1be7d06913
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/epsimatt/serpent:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] e51efa09f1b78b742e3200c57e77aa9388a3d6d77d6fa598034566f63422c637
[INFO] running `"docker" "start" "-a" "e51efa09f1b78b742e3200c57e77aa9388a3d6d77d6fa598034566f63422c637"`
[INFO] [stderr]    Compiling serpent v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `"docker" "inspect" "e51efa09f1b78b742e3200c57e77aa9388a3d6d77d6fa598034566f63422c637"`
[INFO] running `"docker" "rm" "-f" "e51efa09f1b78b742e3200c57e77aa9388a3d6d77d6fa598034566f63422c637"`
[INFO] [stdout] e51efa09f1b78b742e3200c57e77aa9388a3d6d77d6fa598034566f63422c637
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/epsimatt/serpent:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] ca951b3e63b96de1accb0a3c3b871e17af1fdf4e6695643669806949daf0897e
[INFO] running `"docker" "start" "-a" "ca951b3e63b96de1accb0a3c3b871e17af1fdf4e6695643669806949daf0897e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/serpent-e4980b838dc90b75
[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" "ca951b3e63b96de1accb0a3c3b871e17af1fdf4e6695643669806949daf0897e"`
[INFO] running `"docker" "rm" "-f" "ca951b3e63b96de1accb0a3c3b871e17af1fdf4e6695643669806949daf0897e"`
[INFO] [stdout] ca951b3e63b96de1accb0a3c3b871e17af1fdf4e6695643669806949daf0897e