[INFO] cloning repository https://github.com/stevenmsl/rust_bt_word_ladder_127
[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_127" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenmsl%2Frust_bt_word_ladder_127", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenmsl%2Frust_bt_word_ladder_127'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc60746674e60a76ec6b6a96d482dbefe381c8a8
[INFO] testing stevenmsl/rust_bt_word_ladder_127 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenmsl%2Frust_bt_word_ladder_127" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevenmsl/rust_bt_word_ladder_127 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stevenmsl/rust_bt_word_ladder_127
[INFO] finished tweaking git repo https://github.com/stevenmsl/rust_bt_word_ladder_127
[INFO] tweaked toml for git repo https://github.com/stevenmsl/rust_bt_word_ladder_127 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/stevenmsl/rust_bt_word_ladder_127 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dffc7a1fc94faef4364730b7c5085638187c8b0f3d4e8430bd0f89015e14367
[INFO] running `Command { std: "docker" "start" "-a" "2dffc7a1fc94faef4364730b7c5085638187c8b0f3d4e8430bd0f89015e14367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dffc7a1fc94faef4364730b7c5085638187c8b0f3d4e8430bd0f89015e14367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dffc7a1fc94faef4364730b7c5085638187c8b0f3d4e8430bd0f89015e14367", kill_on_drop: false }`
[INFO] [stdout] 2dffc7a1fc94faef4364730b7c5085638187c8b0f3d4e8430bd0f89015e14367
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 392c68479252b9b875bf779141e4aeb4d5e55f6d7795baeaa88180bd3fa3b26a
[INFO] running `Command { std: "docker" "start" "-a" "392c68479252b9b875bf779141e4aeb4d5e55f6d7795baeaa88180bd3fa3b26a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_bt_word_ladder_127 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "392c68479252b9b875bf779141e4aeb4d5e55f6d7795baeaa88180bd3fa3b26a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "392c68479252b9b875bf779141e4aeb4d5e55f6d7795baeaa88180bd3fa3b26a", kill_on_drop: false }`
[INFO] [stdout] 392c68479252b9b875bf779141e4aeb4d5e55f6d7795baeaa88180bd3fa3b26a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 096f39a101d163fa523152938e4b880d78f3f4d70500657f871755a58f1f1249
[INFO] running `Command { std: "docker" "start" "-a" "096f39a101d163fa523152938e4b880d78f3f4d70500657f871755a58f1f1249", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_bt_word_ladder_127 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "096f39a101d163fa523152938e4b880d78f3f4d70500657f871755a58f1f1249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "096f39a101d163fa523152938e4b880d78f3f4d70500657f871755a58f1f1249", kill_on_drop: false }`
[INFO] [stdout] 096f39a101d163fa523152938e4b880d78f3f4d70500657f871755a58f1f1249
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4a74df43f4cd40b8d05356cfbfddcaff4b90d3b5dbd6b7c78324b9168753bd5
[INFO] running `Command { std: "docker" "start" "-a" "b4a74df43f4cd40b8d05356cfbfddcaff4b90d3b5dbd6b7c78324b9168753bd5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_bt_word_ladder_127-1238e72ceda5f4e0)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::sample_2 ... ok
[INFO] [stdout] test tests::sample_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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_127-3884edd72a549327)
[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_127
[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" "b4a74df43f4cd40b8d05356cfbfddcaff4b90d3b5dbd6b7c78324b9168753bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a74df43f4cd40b8d05356cfbfddcaff4b90d3b5dbd6b7c78324b9168753bd5", kill_on_drop: false }`
[INFO] [stdout] b4a74df43f4cd40b8d05356cfbfddcaff4b90d3b5dbd6b7c78324b9168753bd5