[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 beta-2021-09-08 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-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vsramanujan/CrackingTheCodingInterviewInRust on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-12/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3e19951774b3cd0af71e854186c2400c0972e57819b51216985be90b1ae5d9c
[INFO] running `Command { std: "docker" "start" "-a" "c3e19951774b3cd0af71e854186c2400c0972e57819b51216985be90b1ae5d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3e19951774b3cd0af71e854186c2400c0972e57819b51216985be90b1ae5d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e19951774b3cd0af71e854186c2400c0972e57819b51216985be90b1ae5d9c", kill_on_drop: false }`
[INFO] [stdout] c3e19951774b3cd0af71e854186c2400c0972e57819b51216985be90b1ae5d9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3e8edb8fa33aef6c399df80218602b07e0f038c6f6655684948138430871669
[INFO] running `Command { std: "docker" "start" "-a" "a3e8edb8fa33aef6c399df80218602b07e0f038c6f6655684948138430871669", 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 3.87s
[INFO] running `Command { std: "docker" "inspect" "a3e8edb8fa33aef6c399df80218602b07e0f038c6f6655684948138430871669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3e8edb8fa33aef6c399df80218602b07e0f038c6f6655684948138430871669", kill_on_drop: false }`
[INFO] [stdout] a3e8edb8fa33aef6c399df80218602b07e0f038c6f6655684948138430871669
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bd87aa4641f4e199144a4a92858d641cbdf5ab21bcfead52cc335a2428eac42
[INFO] running `Command { std: "docker" "start" "-a" "9bd87aa4641f4e199144a4a92858d641cbdf5ab21bcfead52cc335a2428eac42", 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 1.08s
[INFO] running `Command { std: "docker" "inspect" "9bd87aa4641f4e199144a4a92858d641cbdf5ab21bcfead52cc335a2428eac42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bd87aa4641f4e199144a4a92858d641cbdf5ab21bcfead52cc335a2428eac42", kill_on_drop: false }`
[INFO] [stdout] 9bd87aa4641f4e199144a4a92858d641cbdf5ab21bcfead52cc335a2428eac42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 312bbe757213aa179381b43b4ab5ab801d1140c4cdcfd7a2b987b9fb6cd16ad4
[INFO] running `Command { std: "docker" "start" "-a" "312bbe757213aa179381b43b4ab5ab801d1140c4cdcfd7a2b987b9fb6cd16ad4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.82s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_cracking_the_coding_interview-56cf7572550639cb)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test ch01_01_no_duplicate::tests::incorect_words ... ok
[INFO] [stdout] test ch01_03_urlify::test::with_space ... 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_04_compression::test::runs ... ok
[INFO] [stdout] test ch01_02_is_permut::test::empty ... ok
[INFO] [stdout] test ch01_01_no_duplicate::tests::unique_words ... ok
[INFO] [stdout] test ch01_03_urlify::test::no_space ... ok
[INFO] [stdout] test ch01_02_is_permut::test::anagram_words_with_an_extra_present_character ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "312bbe757213aa179381b43b4ab5ab801d1140c4cdcfd7a2b987b9fb6cd16ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "312bbe757213aa179381b43b4ab5ab801d1140c4cdcfd7a2b987b9fb6cd16ad4", kill_on_drop: false }`
[INFO] [stdout] 312bbe757213aa179381b43b4ab5ab801d1140c4cdcfd7a2b987b9fb6cd16ad4