[INFO] cloning repository https://github.com/raywiis/word_ladder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raywiis/word_ladder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraywiis%2Fword_ladder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraywiis%2Fword_ladder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a2c554be98545f58aa6ecb73f2877b0b0205f0c
[INFO] testing raywiis/word_ladder against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraywiis%2Fword_ladder" "/workspace/builds/worker-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/raywiis/word_ladder 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/raywiis/word_ladder
[INFO] finished tweaking git repo https://github.com/raywiis/word_ladder
[INFO] tweaked toml for git repo https://github.com/raywiis/word_ladder written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate git repo https://github.com/raywiis/word_ladder 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] a510a34425af8a278a729b4f6afd345e55ed203790868ea8b1d09a1c84bfa30b
[INFO] running `Command { std: "docker" "start" "-a" "a510a34425af8a278a729b4f6afd345e55ed203790868ea8b1d09a1c84bfa30b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a510a34425af8a278a729b4f6afd345e55ed203790868ea8b1d09a1c84bfa30b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a510a34425af8a278a729b4f6afd345e55ed203790868ea8b1d09a1c84bfa30b", kill_on_drop: false }`
[INFO] [stdout] a510a34425af8a278a729b4f6afd345e55ed203790868ea8b1d09a1c84bfa30b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] cbc8e51440eaa4b0e5c0b5ac7f70b73a87124b2d3cb5333116d64cb2825faf43
[INFO] running `Command { std: "docker" "start" "-a" "cbc8e51440eaa4b0e5c0b5ac7f70b73a87124b2d3cb5333116d64cb2825faf43", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ladder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "cbc8e51440eaa4b0e5c0b5ac7f70b73a87124b2d3cb5333116d64cb2825faf43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc8e51440eaa4b0e5c0b5ac7f70b73a87124b2d3cb5333116d64cb2825faf43", kill_on_drop: false }`
[INFO] [stdout] cbc8e51440eaa4b0e5c0b5ac7f70b73a87124b2d3cb5333116d64cb2825faf43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 079076aa18dfccb048cf43a8114f669cde0a1092ace663656dd493040cdaa5ff
[INFO] running `Command { std: "docker" "start" "-a" "079076aa18dfccb048cf43a8114f669cde0a1092ace663656dd493040cdaa5ff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ladder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.14s
[INFO] running `Command { std: "docker" "inspect" "079076aa18dfccb048cf43a8114f669cde0a1092ace663656dd493040cdaa5ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "079076aa18dfccb048cf43a8114f669cde0a1092ace663656dd493040cdaa5ff", kill_on_drop: false }`
[INFO] [stdout] 079076aa18dfccb048cf43a8114f669cde0a1092ace663656dd493040cdaa5ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 8adff94e0504dc933b32f2b604d1e2450dc9075fec6abc752a66cd554acc5a19
[INFO] running `Command { std: "docker" "start" "-a" "8adff94e0504dc933b32f2b604d1e2450dc9075fec6abc752a66cd554acc5a19", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ladder-4f559552b97b4ecb)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::case_1 ... ok
[INFO] [stdout] test tests::case_3 ... ok
[INFO] [stdout] test tests::case_2 ... ok
[INFO] [stdout] test tests::case_5 ... ok
[INFO] [stdout] test tests::case_4 ... ok
[INFO] [stdout] test tests::make_splits_2 ... ok
[INFO] [stdout] test tests::case_6 ... ok
[INFO] [stdout] test tests::make_splits_1 ... ok
[INFO] [stdout] test tests::case_7 ... ok
[INFO] [stdout] test tests::case_8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8adff94e0504dc933b32f2b604d1e2450dc9075fec6abc752a66cd554acc5a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8adff94e0504dc933b32f2b604d1e2450dc9075fec6abc752a66cd554acc5a19", kill_on_drop: false }`
[INFO] [stdout] 8adff94e0504dc933b32f2b604d1e2450dc9075fec6abc752a66cd554acc5a19