[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-1.37-6/sources/1.36.0/gh/euclidr/something-about-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/euclidr/something-about-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/euclidr/something-about-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/euclidr/something-about-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of euclidr/something-about-rust 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 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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] testing euclidr/something-about-rust 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-5/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/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] a0e28aa2e677d2123a43fa02541cb7ae435b8fa29466eee3689f5f472292a772
[INFO] running `"docker" "start" "-a" "a0e28aa2e677d2123a43fa02541cb7ae435b8fa29466eee3689f5f472292a772"`
[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" "a0e28aa2e677d2123a43fa02541cb7ae435b8fa29466eee3689f5f472292a772"`
[INFO] running `"docker" "rm" "-f" "a0e28aa2e677d2123a43fa02541cb7ae435b8fa29466eee3689f5f472292a772"`
[INFO] [stdout] a0e28aa2e677d2123a43fa02541cb7ae435b8fa29466eee3689f5f472292a772
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] e3cb9cb0c9a7b995f4eeba356bb70eb9262de279967fa1ace26dde18c528de7b
[INFO] running `"docker" "start" "-a" "e3cb9cb0c9a7b995f4eeba356bb70eb9262de279967fa1ace26dde18c528de7b"`
[INFO] [stderr]    Compiling something-about-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "e3cb9cb0c9a7b995f4eeba356bb70eb9262de279967fa1ace26dde18c528de7b"`
[INFO] running `"docker" "rm" "-f" "e3cb9cb0c9a7b995f4eeba356bb70eb9262de279967fa1ace26dde18c528de7b"`
[INFO] [stdout] e3cb9cb0c9a7b995f4eeba356bb70eb9262de279967fa1ace26dde18c528de7b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 6fd67930df988d20da12bbee0373435612528bdb1324d96437795cf30adab076
[INFO] running `"docker" "start" "-a" "6fd67930df988d20da12bbee0373435612528bdb1324d96437795cf30adab076"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/something_about_rust-0737b84e2cea4de7
[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" "6fd67930df988d20da12bbee0373435612528bdb1324d96437795cf30adab076"`
[INFO] running `"docker" "rm" "-f" "6fd67930df988d20da12bbee0373435612528bdb1324d96437795cf30adab076"`
[INFO] [stdout] 6fd67930df988d20da12bbee0373435612528bdb1324d96437795cf30adab076