[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-1.38-1/sources/1.37.0/gh/overthink/pt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/overthink/pt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/overthink/pt" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/overthink/pt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of overthink/pt 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 overthink/pt
[INFO] finished frobbing overthink/pt
[INFO] frobbed toml for overthink/pt written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 overthink/pt against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] cd0bb2695b920d43af19fc0e27a56ef0cc20806035aef3a721a35c48e198c2b0
[INFO] running `"docker" "start" "-a" "cd0bb2695b920d43af19fc0e27a56ef0cc20806035aef3a721a35c48e198c2b0"`
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[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 31.00s
[INFO] running `"docker" "inspect" "cd0bb2695b920d43af19fc0e27a56ef0cc20806035aef3a721a35c48e198c2b0"`
[INFO] running `"docker" "rm" "-f" "cd0bb2695b920d43af19fc0e27a56ef0cc20806035aef3a721a35c48e198c2b0"`
[INFO] [stdout] cd0bb2695b920d43af19fc0e27a56ef0cc20806035aef3a721a35c48e198c2b0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] c74253f6626a320f35132b2722f8b453209d71e402d29895a7fdaa0cade4a0ba
[INFO] running `"docker" "start" "-a" "c74253f6626a320f35132b2722f8b453209d71e402d29895a7fdaa0cade4a0ba"`
[INFO] [stderr]    Compiling pt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `"docker" "inspect" "c74253f6626a320f35132b2722f8b453209d71e402d29895a7fdaa0cade4a0ba"`
[INFO] running `"docker" "rm" "-f" "c74253f6626a320f35132b2722f8b453209d71e402d29895a7fdaa0cade4a0ba"`
[INFO] [stdout] c74253f6626a320f35132b2722f8b453209d71e402d29895a7fdaa0cade4a0ba
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 58664fe4a4ff92d645d53be423a75f86a6c9de0a9d3303b2d9c5179f54085ed7
[INFO] running `"docker" "start" "-a" "58664fe4a4ff92d645d53be423a75f86a6c9de0a9d3303b2d9c5179f54085ed7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pt-b6ef08fc83ca60a4
[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-0e8df3028ef1830a
[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" "58664fe4a4ff92d645d53be423a75f86a6c9de0a9d3303b2d9c5179f54085ed7"`
[INFO] running `"docker" "rm" "-f" "58664fe4a4ff92d645d53be423a75f86a6c9de0a9d3303b2d9c5179f54085ed7"`
[INFO] [stdout] 58664fe4a4ff92d645d53be423a75f86a6c9de0a9d3303b2d9c5179f54085ed7