[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 beta-2022-02-22 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-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevenmsl/rust_bt_word_ladder_126 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-15/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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5065411948bb1b8d7062a9a66b862871111b57abf464bd55d881b023df21022c
[INFO] running `Command { std: "docker" "start" "-a" "5065411948bb1b8d7062a9a66b862871111b57abf464bd55d881b023df21022c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5065411948bb1b8d7062a9a66b862871111b57abf464bd55d881b023df21022c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5065411948bb1b8d7062a9a66b862871111b57abf464bd55d881b023df21022c", kill_on_drop: false }`
[INFO] [stdout] 5065411948bb1b8d7062a9a66b862871111b57abf464bd55d881b023df21022c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c51c702f031fb9c00b9b0f28ff17fba7e69fc2be29843582afec40b057af8ee
[INFO] running `Command { std: "docker" "start" "-a" "5c51c702f031fb9c00b9b0f28ff17fba7e69fc2be29843582afec40b057af8ee", 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 0.93s
[INFO] running `Command { std: "docker" "inspect" "5c51c702f031fb9c00b9b0f28ff17fba7e69fc2be29843582afec40b057af8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c51c702f031fb9c00b9b0f28ff17fba7e69fc2be29843582afec40b057af8ee", kill_on_drop: false }`
[INFO] [stdout] 5c51c702f031fb9c00b9b0f28ff17fba7e69fc2be29843582afec40b057af8ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43f5afb2d5d080ba6a5342dc24e20a364157590a2c23af371d3904e469a7c06a
[INFO] running `Command { std: "docker" "start" "-a" "43f5afb2d5d080ba6a5342dc24e20a364157590a2c23af371d3904e469a7c06a", 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 0.54s
[INFO] running `Command { std: "docker" "inspect" "43f5afb2d5d080ba6a5342dc24e20a364157590a2c23af371d3904e469a7c06a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43f5afb2d5d080ba6a5342dc24e20a364157590a2c23af371d3904e469a7c06a", kill_on_drop: false }`
[INFO] [stdout] 43f5afb2d5d080ba6a5342dc24e20a364157590a2c23af371d3904e469a7c06a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e33ab548e645248b5a21fe487219ad8f18768e760588b2fab5491ab3c26d5a9
[INFO] running `Command { std: "docker" "start" "-a" "5e33ab548e645248b5a21fe487219ad8f18768e760588b2fab5491ab3c26d5a9", 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 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_bt_word_ladder_126-abe0743d1127c02b)
[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_126-0a77caf934dc3418)
[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" "5e33ab548e645248b5a21fe487219ad8f18768e760588b2fab5491ab3c26d5a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e33ab548e645248b5a21fe487219ad8f18768e760588b2fab5491ab3c26d5a9", kill_on_drop: false }`
[INFO] [stdout] 5e33ab548e645248b5a21fe487219ad8f18768e760588b2fab5491ab3c26d5a9