[INFO] updating cached repository overthink/pt
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/overthink/pt
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/overthink/pt" "work/ex/beta-1.37-6/sources/1.36.0/gh/overthink/pt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/overthink/pt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/overthink/pt" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/overthink/pt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/overthink/pt'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 90cd785715867dd9188bc97b1853792520e94a27
[INFO] sha for GitHub repo overthink/pt: 90cd785715867dd9188bc97b1853792520e94a27
[INFO] validating manifest of overthink/pt 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 overthink/pt 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 overthink/pt
[INFO] finished frobbing overthink/pt
[INFO] frobbed toml for overthink/pt written to work/ex/beta-1.37-6/sources/1.36.0/gh/overthink/pt/Cargo.toml
[INFO] started frobbing overthink/pt
[INFO] finished frobbing overthink/pt
[INFO] frobbed toml for overthink/pt written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/overthink/pt/Cargo.toml
[INFO] crate overthink/pt 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] [stderr]     Blocking waiting for file lock on package cache lock
[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 overthink/pt against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/overthink/pt:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 5181e45edd8ed59de50ff238600f25a8e53e5bba424af04fb3592cfd2e2adaa5
[INFO] running `"docker" "start" "-a" "5181e45edd8ed59de50ff238600f25a8e53e5bba424af04fb3592cfd2e2adaa5"`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.1
[INFO] [stderr]    Compiling pt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.13s
[INFO] running `"docker" "inspect" "5181e45edd8ed59de50ff238600f25a8e53e5bba424af04fb3592cfd2e2adaa5"`
[INFO] running `"docker" "rm" "-f" "5181e45edd8ed59de50ff238600f25a8e53e5bba424af04fb3592cfd2e2adaa5"`
[INFO] [stdout] 5181e45edd8ed59de50ff238600f25a8e53e5bba424af04fb3592cfd2e2adaa5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/overthink/pt:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0b2d0798a8c95c6282a593b5e494b8ee1c4f8a6f333f05c2bcf2dcf2af88c5ad
[INFO] running `"docker" "start" "-a" "0b2d0798a8c95c6282a593b5e494b8ee1c4f8a6f333f05c2bcf2dcf2af88c5ad"`
[INFO] [stderr]    Compiling pt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `"docker" "inspect" "0b2d0798a8c95c6282a593b5e494b8ee1c4f8a6f333f05c2bcf2dcf2af88c5ad"`
[INFO] running `"docker" "rm" "-f" "0b2d0798a8c95c6282a593b5e494b8ee1c4f8a6f333f05c2bcf2dcf2af88c5ad"`
[INFO] [stdout] 0b2d0798a8c95c6282a593b5e494b8ee1c4f8a6f333f05c2bcf2dcf2af88c5ad
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/overthink/pt:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 60e8949de1a01ef66fd0d34d4ef7976a01e2cadfb2278e9618da96de46ec3edc
[INFO] running `"docker" "start" "-a" "60e8949de1a01ef66fd0d34d4ef7976a01e2cadfb2278e9618da96de46ec3edc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pt-e082f9f9ab3ae6e6
[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]      Running /opt/crater/target/debug/deps/main-78255ba29826eb65
[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 pt
[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" "60e8949de1a01ef66fd0d34d4ef7976a01e2cadfb2278e9618da96de46ec3edc"`
[INFO] running `"docker" "rm" "-f" "60e8949de1a01ef66fd0d34d4ef7976a01e2cadfb2278e9618da96de46ec3edc"`
[INFO] [stdout] 60e8949de1a01ef66fd0d34d4ef7976a01e2cadfb2278e9618da96de46ec3edc