[INFO] updating cached repository charlespierce/compiler-experiment
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/charlespierce/compiler-experiment
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/charlespierce/compiler-experiment" "work/ex/beta-1.38-1/sources/1.37.0/gh/charlespierce/compiler-experiment"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/charlespierce/compiler-experiment'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/charlespierce/compiler-experiment" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/charlespierce/compiler-experiment"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/charlespierce/compiler-experiment'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aaa697434345bdc0d40a9bc1fb77f1d469a1f40d
[INFO] sha for GitHub repo charlespierce/compiler-experiment: aaa697434345bdc0d40a9bc1fb77f1d469a1f40d
[INFO] validating manifest of charlespierce/compiler-experiment 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 charlespierce/compiler-experiment 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 charlespierce/compiler-experiment
[INFO] finished frobbing charlespierce/compiler-experiment
[INFO] frobbed toml for charlespierce/compiler-experiment written to work/ex/beta-1.38-1/sources/1.37.0/gh/charlespierce/compiler-experiment/Cargo.toml
[INFO] started frobbing charlespierce/compiler-experiment
[INFO] finished frobbing charlespierce/compiler-experiment
[INFO] frobbed toml for charlespierce/compiler-experiment written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/charlespierce/compiler-experiment/Cargo.toml
[INFO] crate charlespierce/compiler-experiment 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 charlespierce/compiler-experiment 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-4/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/charlespierce/compiler-experiment:/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] 131abe43d5dab4795aca2ccc0afa8cd53d9dc26634bd8ded3447dd9847ba18cb
[INFO] running `"docker" "start" "-a" "131abe43d5dab4795aca2ccc0afa8cd53d9dc26634bd8ded3447dd9847ba18cb"`
[INFO] [stderr]    Compiling compiler-experiment v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "131abe43d5dab4795aca2ccc0afa8cd53d9dc26634bd8ded3447dd9847ba18cb"`
[INFO] running `"docker" "rm" "-f" "131abe43d5dab4795aca2ccc0afa8cd53d9dc26634bd8ded3447dd9847ba18cb"`
[INFO] [stdout] 131abe43d5dab4795aca2ccc0afa8cd53d9dc26634bd8ded3447dd9847ba18cb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/charlespierce/compiler-experiment:/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] 569102c79011f1d43ed9b8b932953f2f57fe380af32cd31dd9e6ace14f64ace8
[INFO] running `"docker" "start" "-a" "569102c79011f1d43ed9b8b932953f2f57fe380af32cd31dd9e6ace14f64ace8"`
[INFO] [stderr]    Compiling compiler-experiment v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "569102c79011f1d43ed9b8b932953f2f57fe380af32cd31dd9e6ace14f64ace8"`
[INFO] running `"docker" "rm" "-f" "569102c79011f1d43ed9b8b932953f2f57fe380af32cd31dd9e6ace14f64ace8"`
[INFO] [stdout] 569102c79011f1d43ed9b8b932953f2f57fe380af32cd31dd9e6ace14f64ace8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/charlespierce/compiler-experiment:/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] 8c3bcd70255b091900f05f331ba52caefaea748e78f67c2b53b769299defbb3e
[INFO] running `"docker" "start" "-a" "8c3bcd70255b091900f05f331ba52caefaea748e78f67c2b53b769299defbb3e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/compiler_experiment-d469e84d3ba651e8
[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" "8c3bcd70255b091900f05f331ba52caefaea748e78f67c2b53b769299defbb3e"`
[INFO] running `"docker" "rm" "-f" "8c3bcd70255b091900f05f331ba52caefaea748e78f67c2b53b769299defbb3e"`
[INFO] [stdout] 8c3bcd70255b091900f05f331ba52caefaea748e78f67c2b53b769299defbb3e