[INFO] updating cached repository arianvp/counterexample
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/arianvp/counterexample
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/arianvp/counterexample" "work/ex/beta-1.38-1/sources/1.37.0/gh/arianvp/counterexample"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/arianvp/counterexample'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/arianvp/counterexample" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/arianvp/counterexample"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/arianvp/counterexample'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 32e9442a8c7a212caac716698b6b81e22fec65c1
[INFO] sha for GitHub repo arianvp/counterexample: 32e9442a8c7a212caac716698b6b81e22fec65c1
[INFO] validating manifest of arianvp/counterexample 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 arianvp/counterexample 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 arianvp/counterexample
[INFO] finished frobbing arianvp/counterexample
[INFO] frobbed toml for arianvp/counterexample written to work/ex/beta-1.38-1/sources/1.37.0/gh/arianvp/counterexample/Cargo.toml
[INFO] started frobbing arianvp/counterexample
[INFO] finished frobbing arianvp/counterexample
[INFO] frobbed toml for arianvp/counterexample written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/arianvp/counterexample/Cargo.toml
[INFO] crate arianvp/counterexample 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 arianvp/counterexample 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/arianvp/counterexample:/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] 9a2ad9796fba618943eb017802cc1ebcaf7ad90b942f130e77cbf06d8fbdffd9
[INFO] running `"docker" "start" "-a" "9a2ad9796fba618943eb017802cc1ebcaf7ad90b942f130e77cbf06d8fbdffd9"`
[INFO] [stderr]    Compiling counterexample v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "9a2ad9796fba618943eb017802cc1ebcaf7ad90b942f130e77cbf06d8fbdffd9"`
[INFO] running `"docker" "rm" "-f" "9a2ad9796fba618943eb017802cc1ebcaf7ad90b942f130e77cbf06d8fbdffd9"`
[INFO] [stdout] 9a2ad9796fba618943eb017802cc1ebcaf7ad90b942f130e77cbf06d8fbdffd9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/arianvp/counterexample:/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] 67f2ed56e13351ce600cd940eec2bf84561467ebdc4e59f0ddadbb1be862be3a
[INFO] running `"docker" "start" "-a" "67f2ed56e13351ce600cd940eec2bf84561467ebdc4e59f0ddadbb1be862be3a"`
[INFO] [stderr]    Compiling counterexample v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "67f2ed56e13351ce600cd940eec2bf84561467ebdc4e59f0ddadbb1be862be3a"`
[INFO] running `"docker" "rm" "-f" "67f2ed56e13351ce600cd940eec2bf84561467ebdc4e59f0ddadbb1be862be3a"`
[INFO] [stdout] 67f2ed56e13351ce600cd940eec2bf84561467ebdc4e59f0ddadbb1be862be3a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/arianvp/counterexample:/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] 3679dcebfaf54f1a6ce5cecaa0f91233455ab170dcd60af24aab4641cdf6a17d
[INFO] running `"docker" "start" "-a" "3679dcebfaf54f1a6ce5cecaa0f91233455ab170dcd60af24aab4641cdf6a17d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/counterexample-658378a2cd8b8513
[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" "3679dcebfaf54f1a6ce5cecaa0f91233455ab170dcd60af24aab4641cdf6a17d"`
[INFO] running `"docker" "rm" "-f" "3679dcebfaf54f1a6ce5cecaa0f91233455ab170dcd60af24aab4641cdf6a17d"`
[INFO] [stdout] 3679dcebfaf54f1a6ce5cecaa0f91233455ab170dcd60af24aab4641cdf6a17d