[INFO] updating cached repository euclidr/something-about-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/euclidr/something-about-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/euclidr/something-about-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/euclidr/something-about-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/euclidr/something-about-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/euclidr/something-about-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/euclidr/something-about-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/euclidr/something-about-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 409c6a0747568c894123729e32f894c69bc2390e
[INFO] sha for GitHub repo euclidr/something-about-rust: 409c6a0747568c894123729e32f894c69bc2390e
[INFO] validating manifest of euclidr/something-about-rust 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 euclidr/something-about-rust 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 euclidr/something-about-rust
[INFO] removed workspace from euclidr/something-about-rust
[INFO] finished frobbing euclidr/something-about-rust
[INFO] frobbed toml for euclidr/something-about-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/euclidr/something-about-rust/Cargo.toml
[INFO] started frobbing euclidr/something-about-rust
[INFO] removed workspace from euclidr/something-about-rust
[INFO] finished frobbing euclidr/something-about-rust
[INFO] frobbed toml for euclidr/something-about-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/euclidr/something-about-rust/Cargo.toml
[INFO] crate euclidr/something-about-rust 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/euclidr/something-about-rust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 euclidr/something-about-rust 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/euclidr/something-about-rust:/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] 71c116f5827e9cad5281886931b1feb47b2ce7b4afbb20cfe6449e555a4441f7
[INFO] running `"docker" "start" "-a" "71c116f5827e9cad5281886931b1feb47b2ce7b4afbb20cfe6449e555a4441f7"`
[INFO] [stderr]    Compiling something-about-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "71c116f5827e9cad5281886931b1feb47b2ce7b4afbb20cfe6449e555a4441f7"`
[INFO] running `"docker" "rm" "-f" "71c116f5827e9cad5281886931b1feb47b2ce7b4afbb20cfe6449e555a4441f7"`
[INFO] [stdout] 71c116f5827e9cad5281886931b1feb47b2ce7b4afbb20cfe6449e555a4441f7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/euclidr/something-about-rust:/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] 364281aca588e656ca72f5e52a20c05985e99f97ab06a04f88bfb86035bde70a
[INFO] running `"docker" "start" "-a" "364281aca588e656ca72f5e52a20c05985e99f97ab06a04f88bfb86035bde70a"`
[INFO] [stderr]    Compiling something-about-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "364281aca588e656ca72f5e52a20c05985e99f97ab06a04f88bfb86035bde70a"`
[INFO] running `"docker" "rm" "-f" "364281aca588e656ca72f5e52a20c05985e99f97ab06a04f88bfb86035bde70a"`
[INFO] [stdout] 364281aca588e656ca72f5e52a20c05985e99f97ab06a04f88bfb86035bde70a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/euclidr/something-about-rust:/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] 4e7b6c69eb8ebf054d4e09307f79c16f8d71402420640e9921ccd05fbac69cc8
[INFO] running `"docker" "start" "-a" "4e7b6c69eb8ebf054d4e09307f79c16f8d71402420640e9921ccd05fbac69cc8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/something_about_rust-2a2d23138d5e7cc7
[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" "4e7b6c69eb8ebf054d4e09307f79c16f8d71402420640e9921ccd05fbac69cc8"`
[INFO] running `"docker" "rm" "-f" "4e7b6c69eb8ebf054d4e09307f79c16f8d71402420640e9921ccd05fbac69cc8"`
[INFO] [stdout] 4e7b6c69eb8ebf054d4e09307f79c16f8d71402420640e9921ccd05fbac69cc8