[INFO] updating cached repository VaclavStebra/rust-book-slices
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/VaclavStebra/rust-book-slices
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/VaclavStebra/rust-book-slices" "work/ex/beta-1.38-1/sources/1.37.0/gh/VaclavStebra/rust-book-slices"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/VaclavStebra/rust-book-slices'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/VaclavStebra/rust-book-slices" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VaclavStebra/rust-book-slices"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 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 VaclavStebra/rust-book-slices 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 VaclavStebra/rust-book-slices
[INFO] finished frobbing VaclavStebra/rust-book-slices
[INFO] frobbed toml for VaclavStebra/rust-book-slices written to work/ex/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+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 VaclavStebra/rust-book-slices 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-1/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/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=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] d1a3625238dee75b66d73af7cbabb56ce38f0a8abc01e3a0631cd435403e1ac9
[INFO] running `"docker" "start" "-a" "d1a3625238dee75b66d73af7cbabb56ce38f0a8abc01e3a0631cd435403e1ac9"`
[INFO] [stderr]    Compiling rust-book-slices v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "d1a3625238dee75b66d73af7cbabb56ce38f0a8abc01e3a0631cd435403e1ac9"`
[INFO] running `"docker" "rm" "-f" "d1a3625238dee75b66d73af7cbabb56ce38f0a8abc01e3a0631cd435403e1ac9"`
[INFO] [stdout] d1a3625238dee75b66d73af7cbabb56ce38f0a8abc01e3a0631cd435403e1ac9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/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=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] aa3c4115e64a648ca82a2ff1856f05909c84df8ae664fc7639650ba84e406ac3
[INFO] running `"docker" "start" "-a" "aa3c4115e64a648ca82a2ff1856f05909c84df8ae664fc7639650ba84e406ac3"`
[INFO] [stderr]    Compiling rust-book-slices v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "aa3c4115e64a648ca82a2ff1856f05909c84df8ae664fc7639650ba84e406ac3"`
[INFO] running `"docker" "rm" "-f" "aa3c4115e64a648ca82a2ff1856f05909c84df8ae664fc7639650ba84e406ac3"`
[INFO] [stdout] aa3c4115e64a648ca82a2ff1856f05909c84df8ae664fc7639650ba84e406ac3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/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=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] 8ac4c91c7f189add4974b72513e8d3155ea0934c147cc875c03dea51d683908b
[INFO] running `"docker" "start" "-a" "8ac4c91c7f189add4974b72513e8d3155ea0934c147cc875c03dea51d683908b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_book_slices-98fb20ed6dc1168b
[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" "8ac4c91c7f189add4974b72513e8d3155ea0934c147cc875c03dea51d683908b"`
[INFO] running `"docker" "rm" "-f" "8ac4c91c7f189add4974b72513e8d3155ea0934c147cc875c03dea51d683908b"`
[INFO] [stdout] 8ac4c91c7f189add4974b72513e8d3155ea0934c147cc875c03dea51d683908b