[INFO] cloning repository https://github.com/vsramanujan/CrackingTheCodingInterviewInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vsramanujan/CrackingTheCodingInterviewInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 424b84998e8ac1fce6433feea8d288d893210a42
[INFO] testing vsramanujan/CrackingTheCodingInterviewInRust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vsramanujan/CrackingTheCodingInterviewInRust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vsramanujan/CrackingTheCodingInterviewInRust
[INFO] finished tweaking git repo https://github.com/vsramanujan/CrackingTheCodingInterviewInRust
[INFO] tweaked toml for git repo https://github.com/vsramanujan/CrackingTheCodingInterviewInRust written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/vsramanujan/CrackingTheCodingInterviewInRust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45bc2a0486467592497048c5c07b6f4dc6022de386300061ab87e96a445d3bf8
[INFO] running `Command { std: "docker" "start" "-a" "45bc2a0486467592497048c5c07b6f4dc6022de386300061ab87e96a445d3bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45bc2a0486467592497048c5c07b6f4dc6022de386300061ab87e96a445d3bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45bc2a0486467592497048c5c07b6f4dc6022de386300061ab87e96a445d3bf8", kill_on_drop: false }`
[INFO] [stdout] 45bc2a0486467592497048c5c07b6f4dc6022de386300061ab87e96a445d3bf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2f77856d4e2a46aaebf0d2cf5f12e371515f755c1a5b62b76e0f207cefc6597
[INFO] running `Command { std: "docker" "start" "-a" "e2f77856d4e2a46aaebf0d2cf5f12e371515f755c1a5b62b76e0f207cefc6597", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_cracking_the_coding_interview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `Command { std: "docker" "inspect" "e2f77856d4e2a46aaebf0d2cf5f12e371515f755c1a5b62b76e0f207cefc6597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f77856d4e2a46aaebf0d2cf5f12e371515f755c1a5b62b76e0f207cefc6597", kill_on_drop: false }`
[INFO] [stdout] e2f77856d4e2a46aaebf0d2cf5f12e371515f755c1a5b62b76e0f207cefc6597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7ad9ebd59cab6bae546ac235e5f2d8a31f8ece1ac1f2d3544f51dfef916f081
[INFO] running `Command { std: "docker" "start" "-a" "d7ad9ebd59cab6bae546ac235e5f2d8a31f8ece1ac1f2d3544f51dfef916f081", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_cracking_the_coding_interview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "d7ad9ebd59cab6bae546ac235e5f2d8a31f8ece1ac1f2d3544f51dfef916f081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ad9ebd59cab6bae546ac235e5f2d8a31f8ece1ac1f2d3544f51dfef916f081", kill_on_drop: false }`
[INFO] [stdout] d7ad9ebd59cab6bae546ac235e5f2d8a31f8ece1ac1f2d3544f51dfef916f081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c6a743f2923b04201cbea8daebe91514e5292716c30578fdecc3db287a427f88
[INFO] running `Command { std: "docker" "start" "-a" "c6a743f2923b04201cbea8daebe91514e5292716c30578fdecc3db287a427f88", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_cracking_the_coding_interview-8e3df5ab8343ff12)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test ch01_01_no_duplicate::tests::incorect_words ... ok
[INFO] [stdout] test ch01_01_no_duplicate::tests::single_character ... ok
[INFO] [stdout] test ch01_02_is_permut::test::anagram_words ... ok
[INFO] [stdout] test ch01_02_is_permut::test::empty ... ok
[INFO] [stdout] test ch01_02_is_permut::test::anagram_words_with_an_extra_present_character ... ok
[INFO] [stdout] test ch01_03_urlify::test::no_space ... ok
[INFO] [stdout] test ch01_03_urlify::test::with_space ... ok
[INFO] [stdout] test ch01_04_compression::test::runs ... ok
[INFO] [stdout] test ch01_01_no_duplicate::tests::unique_words ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c6a743f2923b04201cbea8daebe91514e5292716c30578fdecc3db287a427f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a743f2923b04201cbea8daebe91514e5292716c30578fdecc3db287a427f88", kill_on_drop: false }`
[INFO] [stdout] c6a743f2923b04201cbea8daebe91514e5292716c30578fdecc3db287a427f88