[INFO] cloning repository VaclavStebra/rust-book-slices
[INFO] running `"git" "clone" "--bare" "git://github.com/VaclavStebra/rust-book-slices.git" "work/cache/sources/gh/VaclavStebra/rust-book-slices"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/VaclavStebra/rust-book-slices'...
[INFO] running `"git" "clone" "work/cache/sources/gh/VaclavStebra/rust-book-slices" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/VaclavStebra/rust-book-slices"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/VaclavStebra/rust-book-slices'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/VaclavStebra/rust-book-slices" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/VaclavStebra/rust-book-slices"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/VaclavStebra/rust-book-slices'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bdf432f1c8082f6b7b0697b704a641f579905b1d
[INFO] sha for GitHub repo VaclavStebra/rust-book-slices: bdf432f1c8082f6b7b0697b704a641f579905b1d
[INFO] validating manifest of VaclavStebra/rust-book-slices 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 VaclavStebra/rust-book-slices 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 VaclavStebra/rust-book-slices
[INFO] finished frobbing VaclavStebra/rust-book-slices
[INFO] frobbed toml for VaclavStebra/rust-book-slices written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/VaclavStebra/rust-book-slices/Cargo.toml
[INFO] started frobbing VaclavStebra/rust-book-slices
[INFO] finished frobbing VaclavStebra/rust-book-slices
[INFO] frobbed toml for VaclavStebra/rust-book-slices written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/VaclavStebra/rust-book-slices/Cargo.toml
[INFO] crate VaclavStebra/rust-book-slices 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 VaclavStebra/rust-book-slices against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/VaclavStebra/rust-book-slices:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] ee21da91bbad249a3ead7aee343c18af24ca9bb06091c49fdafcc67f09b837c7
[INFO] running `"docker" "start" "-a" "ee21da91bbad249a3ead7aee343c18af24ca9bb06091c49fdafcc67f09b837c7"`
[INFO] [stderr]    Compiling rust-book-slices v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "ee21da91bbad249a3ead7aee343c18af24ca9bb06091c49fdafcc67f09b837c7"`
[INFO] running `"docker" "rm" "-f" "ee21da91bbad249a3ead7aee343c18af24ca9bb06091c49fdafcc67f09b837c7"`
[INFO] [stdout] ee21da91bbad249a3ead7aee343c18af24ca9bb06091c49fdafcc67f09b837c7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/VaclavStebra/rust-book-slices:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2ce9921365be5957f384b9c001f8ba254abfe53ddd981849162dc604197da81e
[INFO] running `"docker" "start" "-a" "2ce9921365be5957f384b9c001f8ba254abfe53ddd981849162dc604197da81e"`
[INFO] [stderr]    Compiling rust-book-slices v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "2ce9921365be5957f384b9c001f8ba254abfe53ddd981849162dc604197da81e"`
[INFO] running `"docker" "rm" "-f" "2ce9921365be5957f384b9c001f8ba254abfe53ddd981849162dc604197da81e"`
[INFO] [stdout] 2ce9921365be5957f384b9c001f8ba254abfe53ddd981849162dc604197da81e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/VaclavStebra/rust-book-slices:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 270cbeb30b4f83f8c4de2d1e7a6a5d898d2b9f61110fc6c8bbfa516b53bd4aa3
[INFO] running `"docker" "start" "-a" "270cbeb30b4f83f8c4de2d1e7a6a5d898d2b9f61110fc6c8bbfa516b53bd4aa3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_book_slices-9c35a3405bdd148a
[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" "270cbeb30b4f83f8c4de2d1e7a6a5d898d2b9f61110fc6c8bbfa516b53bd4aa3"`
[INFO] running `"docker" "rm" "-f" "270cbeb30b4f83f8c4de2d1e7a6a5d898d2b9f61110fc6c8bbfa516b53bd4aa3"`
[INFO] [stdout] 270cbeb30b4f83f8c4de2d1e7a6a5d898d2b9f61110fc6c8bbfa516b53bd4aa3