[INFO] cloning repository https://github.com/stevenmsl/rust_bt_word_ladder_126
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stevenmsl/rust_bt_word_ladder_126" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenmsl%2Frust_bt_word_ladder_126", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenmsl%2Frust_bt_word_ladder_126'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbc62ea2529101c732847d7251b36189b8cbad09
[INFO] testing stevenmsl/rust_bt_word_ladder_126 against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenmsl%2Frust_bt_word_ladder_126" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevenmsl/rust_bt_word_ladder_126 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stevenmsl/rust_bt_word_ladder_126
[INFO] finished tweaking git repo https://github.com/stevenmsl/rust_bt_word_ladder_126
[INFO] tweaked toml for git repo https://github.com/stevenmsl/rust_bt_word_ladder_126 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/stevenmsl/rust_bt_word_ladder_126 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a80e17474400fc445975d78d54cd7f0916e27f2810faf14fb9ad124b4f9f5330
[INFO] running `Command { std: "docker" "start" "-a" "a80e17474400fc445975d78d54cd7f0916e27f2810faf14fb9ad124b4f9f5330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a80e17474400fc445975d78d54cd7f0916e27f2810faf14fb9ad124b4f9f5330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a80e17474400fc445975d78d54cd7f0916e27f2810faf14fb9ad124b4f9f5330", kill_on_drop: false }`
[INFO] [stdout] a80e17474400fc445975d78d54cd7f0916e27f2810faf14fb9ad124b4f9f5330
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f8735583dfb4b73389bc5383516c574adf8949a194cdf307d19f56f9e34a78e
[INFO] running `Command { std: "docker" "start" "-a" "6f8735583dfb4b73389bc5383516c574adf8949a194cdf307d19f56f9e34a78e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_bt_word_ladder_126 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "6f8735583dfb4b73389bc5383516c574adf8949a194cdf307d19f56f9e34a78e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f8735583dfb4b73389bc5383516c574adf8949a194cdf307d19f56f9e34a78e", kill_on_drop: false }`
[INFO] [stdout] 6f8735583dfb4b73389bc5383516c574adf8949a194cdf307d19f56f9e34a78e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6af6fa15fb8b7a29c8876e0714fe4a616ec2b8bca648ca3205ba20d5b9b7f6d1
[INFO] running `Command { std: "docker" "start" "-a" "6af6fa15fb8b7a29c8876e0714fe4a616ec2b8bca648ca3205ba20d5b9b7f6d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_bt_word_ladder_126 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "6af6fa15fb8b7a29c8876e0714fe4a616ec2b8bca648ca3205ba20d5b9b7f6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6af6fa15fb8b7a29c8876e0714fe4a616ec2b8bca648ca3205ba20d5b9b7f6d1", kill_on_drop: false }`
[INFO] [stdout] 6af6fa15fb8b7a29c8876e0714fe4a616ec2b8bca648ca3205ba20d5b9b7f6d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cdb5592415d55bf528de39cabc9056af2988260bf6b4f5d941cd0ef97753b136
[INFO] running `Command { std: "docker" "start" "-a" "cdb5592415d55bf528de39cabc9056af2988260bf6b4f5d941cd0ef97753b136", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_bt_word_ladder_126-38eee08dd2f186ef)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::construct_path ... ok
[INFO] [stdout] test tests::sample_2 ... ok
[INFO] [stdout] test tests::sample_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_bt_word_ladder_126-0cf6660c73254500)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_bt_word_ladder_126
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cdb5592415d55bf528de39cabc9056af2988260bf6b4f5d941cd0ef97753b136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdb5592415d55bf528de39cabc9056af2988260bf6b4f5d941cd0ef97753b136", kill_on_drop: false }`
[INFO] [stdout] cdb5592415d55bf528de39cabc9056af2988260bf6b4f5d941cd0ef97753b136