[INFO] updating cached repository bachp/parwalk
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bachp/parwalk
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bachp/parwalk" "work/ex/beta-1.38-1/sources/1.37.0/gh/bachp/parwalk"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bachp/parwalk'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bachp/parwalk" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bachp/parwalk"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bachp/parwalk'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 870aea7144f04300b3e23417fc6ac9708562e056
[INFO] sha for GitHub repo bachp/parwalk: 870aea7144f04300b3e23417fc6ac9708562e056
[INFO] validating manifest of bachp/parwalk 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 bachp/parwalk 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 bachp/parwalk
[INFO] finished frobbing bachp/parwalk
[INFO] frobbed toml for bachp/parwalk written to work/ex/beta-1.38-1/sources/1.37.0/gh/bachp/parwalk/Cargo.toml
[INFO] started frobbing bachp/parwalk
[INFO] finished frobbing bachp/parwalk
[INFO] frobbed toml for bachp/parwalk written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bachp/parwalk/Cargo.toml
[INFO] crate bachp/parwalk 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] testing bachp/parwalk 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/bachp/parwalk:/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] d4d58a6875123809cdadeb8f22476e567d014e4d08843b3762f65c2690f1cf10
[INFO] running `"docker" "start" "-a" "d4d58a6875123809cdadeb8f22476e567d014e4d08843b3762f65c2690f1cf10"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.0
[INFO] [stderr]    Compiling regex v0.2.9
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling rayon v1.0.0
[INFO] [stderr]    Compiling env_logger v0.5.5
[INFO] [stderr]    Compiling parwalk v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.65s
[INFO] running `"docker" "inspect" "d4d58a6875123809cdadeb8f22476e567d014e4d08843b3762f65c2690f1cf10"`
[INFO] running `"docker" "rm" "-f" "d4d58a6875123809cdadeb8f22476e567d014e4d08843b3762f65c2690f1cf10"`
[INFO] [stdout] d4d58a6875123809cdadeb8f22476e567d014e4d08843b3762f65c2690f1cf10
[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/bachp/parwalk:/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] 887927cf9dc2a00dda5fa5b40b5809f88d8479b40c2b5e428c09786c26a2d9ca
[INFO] running `"docker" "start" "-a" "887927cf9dc2a00dda5fa5b40b5809f88d8479b40c2b5e428c09786c26a2d9ca"`
[INFO] [stderr]    Compiling parwalk v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "887927cf9dc2a00dda5fa5b40b5809f88d8479b40c2b5e428c09786c26a2d9ca"`
[INFO] running `"docker" "rm" "-f" "887927cf9dc2a00dda5fa5b40b5809f88d8479b40c2b5e428c09786c26a2d9ca"`
[INFO] [stdout] 887927cf9dc2a00dda5fa5b40b5809f88d8479b40c2b5e428c09786c26a2d9ca
[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/bachp/parwalk:/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] 9d1532f04dfae07364561e661e6f6f6de10a56f2bcfa5412c8adb7c86e2839bd
[INFO] running `"docker" "start" "-a" "9d1532f04dfae07364561e661e6f6f6de10a56f2bcfa5412c8adb7c86e2839bd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/parwalk-213db570fd68cb9f
[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" "9d1532f04dfae07364561e661e6f6f6de10a56f2bcfa5412c8adb7c86e2839bd"`
[INFO] running `"docker" "rm" "-f" "9d1532f04dfae07364561e661e6f6f6de10a56f2bcfa5412c8adb7c86e2839bd"`
[INFO] [stdout] 9d1532f04dfae07364561e661e6f6f6de10a56f2bcfa5412c8adb7c86e2839bd