[INFO] cloning repository joeyrosztoczy/rust-book-exercises
[INFO] running `"git" "clone" "--bare" "git://github.com/joeyrosztoczy/rust-book-exercises.git" "work/cache/sources/gh/joeyrosztoczy/rust-book-exercises"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/joeyrosztoczy/rust-book-exercises'...
[INFO] running `"git" "clone" "work/cache/sources/gh/joeyrosztoczy/rust-book-exercises" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/joeyrosztoczy/rust-book-exercises"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/joeyrosztoczy/rust-book-exercises'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/joeyrosztoczy/rust-book-exercises" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/joeyrosztoczy/rust-book-exercises"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/joeyrosztoczy/rust-book-exercises'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 99c769183420d26f6a7a7ddc189099cb0eaf5fee
[INFO] sha for GitHub repo joeyrosztoczy/rust-book-exercises: 99c769183420d26f6a7a7ddc189099cb0eaf5fee
[INFO] validating manifest of joeyrosztoczy/rust-book-exercises on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of joeyrosztoczy/rust-book-exercises on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing joeyrosztoczy/rust-book-exercises
[INFO] finished frobbing joeyrosztoczy/rust-book-exercises
[INFO] frobbed toml for joeyrosztoczy/rust-book-exercises written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/joeyrosztoczy/rust-book-exercises/Cargo.toml
[INFO] started frobbing joeyrosztoczy/rust-book-exercises
[INFO] finished frobbing joeyrosztoczy/rust-book-exercises
[INFO] frobbed toml for joeyrosztoczy/rust-book-exercises written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/joeyrosztoczy/rust-book-exercises/Cargo.toml
[INFO] crate joeyrosztoczy/rust-book-exercises already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing joeyrosztoczy/rust-book-exercises against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/joeyrosztoczy/rust-book-exercises:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 031c1cf1cda9fe316226e5743f0d1a1a8f2a29973e64fee4e1d46c28d3da38a9
[INFO] running `"docker" "start" "-a" "031c1cf1cda9fe316226e5743f0d1a1a8f2a29973e64fee4e1d46c28d3da38a9"`
[INFO] [stderr]    Compiling rust-bk-exercises v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "031c1cf1cda9fe316226e5743f0d1a1a8f2a29973e64fee4e1d46c28d3da38a9"`
[INFO] running `"docker" "rm" "-f" "031c1cf1cda9fe316226e5743f0d1a1a8f2a29973e64fee4e1d46c28d3da38a9"`
[INFO] [stdout] 031c1cf1cda9fe316226e5743f0d1a1a8f2a29973e64fee4e1d46c28d3da38a9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/joeyrosztoczy/rust-book-exercises:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] d423f83aee1f6f99749b86ab4b404c7f524294dda43f0b56c80a5c55d791f9a2
[INFO] running `"docker" "start" "-a" "d423f83aee1f6f99749b86ab4b404c7f524294dda43f0b56c80a5c55d791f9a2"`
[INFO] [stderr]    Compiling rust-bk-exercises v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "d423f83aee1f6f99749b86ab4b404c7f524294dda43f0b56c80a5c55d791f9a2"`
[INFO] running `"docker" "rm" "-f" "d423f83aee1f6f99749b86ab4b404c7f524294dda43f0b56c80a5c55d791f9a2"`
[INFO] [stdout] d423f83aee1f6f99749b86ab4b404c7f524294dda43f0b56c80a5c55d791f9a2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/joeyrosztoczy/rust-book-exercises:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 2c7508328c10ea1a5598d8f8f2a70b4d0e940a51553d697e51664902fcf1f700
[INFO] running `"docker" "start" "-a" "2c7508328c10ea1a5598d8f8f2a70b4d0e940a51553d697e51664902fcf1f700"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_bk_exercises-4dd43d9a0853311d
[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" "2c7508328c10ea1a5598d8f8f2a70b4d0e940a51553d697e51664902fcf1f700"`
[INFO] running `"docker" "rm" "-f" "2c7508328c10ea1a5598d8f8f2a70b4d0e940a51553d697e51664902fcf1f700"`
[INFO] [stdout] 2c7508328c10ea1a5598d8f8f2a70b4d0e940a51553d697e51664902fcf1f700