[INFO] updating cached repository rightfold/comsynth
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rightfold/comsynth
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rightfold/comsynth" "work/ex/beta-1.37-6/sources/1.36.0/gh/rightfold/comsynth"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/rightfold/comsynth'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rightfold/comsynth" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rightfold/comsynth"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rightfold/comsynth'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 741b158949d7c5f120660af9c6488962b712ae50
[INFO] sha for GitHub repo rightfold/comsynth: 741b158949d7c5f120660af9c6488962b712ae50
[INFO] validating manifest of rightfold/comsynth 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 rightfold/comsynth 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 rightfold/comsynth
[INFO] finished frobbing rightfold/comsynth
[INFO] frobbed toml for rightfold/comsynth written to work/ex/beta-1.37-6/sources/1.36.0/gh/rightfold/comsynth/Cargo.toml
[INFO] started frobbing rightfold/comsynth
[INFO] finished frobbing rightfold/comsynth
[INFO] frobbed toml for rightfold/comsynth written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rightfold/comsynth/Cargo.toml
[INFO] crate rightfold/comsynth 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 rightfold/comsynth 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/rightfold/comsynth:/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] daad04fdab3f426e31526b0d2ca9fb95d8df237c2a37710f7ad9951cc0493810
[INFO] running `"docker" "start" "-a" "daad04fdab3f426e31526b0d2ca9fb95d8df237c2a37710f7ad9951cc0493810"`
[INFO] [stderr]    Compiling comsynth v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "daad04fdab3f426e31526b0d2ca9fb95d8df237c2a37710f7ad9951cc0493810"`
[INFO] running `"docker" "rm" "-f" "daad04fdab3f426e31526b0d2ca9fb95d8df237c2a37710f7ad9951cc0493810"`
[INFO] [stdout] daad04fdab3f426e31526b0d2ca9fb95d8df237c2a37710f7ad9951cc0493810
[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/rightfold/comsynth:/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] 8bcef8addc552764d39e47217d3fe44c84344e2061058f16667d51625235fd2f
[INFO] running `"docker" "start" "-a" "8bcef8addc552764d39e47217d3fe44c84344e2061058f16667d51625235fd2f"`
[INFO] [stderr]    Compiling comsynth v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "8bcef8addc552764d39e47217d3fe44c84344e2061058f16667d51625235fd2f"`
[INFO] running `"docker" "rm" "-f" "8bcef8addc552764d39e47217d3fe44c84344e2061058f16667d51625235fd2f"`
[INFO] [stdout] 8bcef8addc552764d39e47217d3fe44c84344e2061058f16667d51625235fd2f
[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/rightfold/comsynth:/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] 6025a24a0370f3edcbffa5a9a4baec767f2463e905e42694d35f522d49dad26c
[INFO] running `"docker" "start" "-a" "6025a24a0370f3edcbffa5a9a4baec767f2463e905e42694d35f522d49dad26c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/comsynth-eabb8b6958b4cba4
[INFO] [stderr]    Doc-tests comsynth
[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] [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" "6025a24a0370f3edcbffa5a9a4baec767f2463e905e42694d35f522d49dad26c"`
[INFO] running `"docker" "rm" "-f" "6025a24a0370f3edcbffa5a9a4baec767f2463e905e42694d35f522d49dad26c"`
[INFO] [stdout] 6025a24a0370f3edcbffa5a9a4baec767f2463e905e42694d35f522d49dad26c