[INFO] fetching crate swappy 0.3.0...
[INFO] testing swappy-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate swappy 0.3.0 into /workspace/builds/worker-109/source
[INFO] validating manifest of crates.io crate swappy 0.3.0 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 crates.io crate swappy 0.3.0
[INFO] finished tweaking crates.io crate swappy 0.3.0
[INFO] tweaked toml for crates.io crate swappy 0.3.0 written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate crates.io crate swappy 0.3.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] ea945b872f80209ddc8928ccc9e2ad971170b1b4712ef7f72dbaa4055c41f27b
[INFO] running `Command { std: "docker" "start" "-a" "ea945b872f80209ddc8928ccc9e2ad971170b1b4712ef7f72dbaa4055c41f27b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea945b872f80209ddc8928ccc9e2ad971170b1b4712ef7f72dbaa4055c41f27b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea945b872f80209ddc8928ccc9e2ad971170b1b4712ef7f72dbaa4055c41f27b", kill_on_drop: false }`
[INFO] [stdout] ea945b872f80209ddc8928ccc9e2ad971170b1b4712ef7f72dbaa4055c41f27b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 2e564e4e6c62ac40230d6e44c3ad453ed860d913db5b70a6e2df87438339712e
[INFO] running `Command { std: "docker" "start" "-a" "2e564e4e6c62ac40230d6e44c3ad453ed860d913db5b70a6e2df87438339712e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling shellexpand v1.1.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling swappy v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.51s
[INFO] running `Command { std: "docker" "inspect" "2e564e4e6c62ac40230d6e44c3ad453ed860d913db5b70a6e2df87438339712e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e564e4e6c62ac40230d6e44c3ad453ed860d913db5b70a6e2df87438339712e", kill_on_drop: false }`
[INFO] [stdout] 2e564e4e6c62ac40230d6e44c3ad453ed860d913db5b70a6e2df87438339712e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] c0e243248822e440a9ea3de71d5f54c1f6d5df805a335fe480cf979dc8385a1b
[INFO] running `Command { std: "docker" "start" "-a" "c0e243248822e440a9ea3de71d5f54c1f6d5df805a335fe480cf979dc8385a1b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling swappy v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `Command { std: "docker" "inspect" "c0e243248822e440a9ea3de71d5f54c1f6d5df805a335fe480cf979dc8385a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e243248822e440a9ea3de71d5f54c1f6d5df805a335fe480cf979dc8385a1b", kill_on_drop: false }`
[INFO] [stdout] c0e243248822e440a9ea3de71d5f54c1f6d5df805a335fe480cf979dc8385a1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 4f69cd63ca1b2678703d5677b1057905e4e3530e98e3363a5840bc3cb2f80aec
[INFO] running `Command { std: "docker" "start" "-a" "4f69cd63ca1b2678703d5677b1057905e4e3530e98e3363a5840bc3cb2f80aec", 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 2.81s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/swappy-bebed63d24b2fe12)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test found_words::tests::equal_to_self ... ok
[INFO] [stdout] test solver::tests::benchmark ... ignored
[INFO] [stdout] test found_words::tests::test_push ... ok
[INFO] [stdout] test alphagram::tests::ignores_whitespace ... ok
[INFO] [stdout] test solver::tests::test_found_words_to_string ... ok
[INFO] [stdout] test candidate_anagram::tests::test_without ... ok
[INFO] [stdout] test solver::tests::test_anagrams_for ... ok
[INFO] [stdout] test alphagram::tests::removals ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f69cd63ca1b2678703d5677b1057905e4e3530e98e3363a5840bc3cb2f80aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f69cd63ca1b2678703d5677b1057905e4e3530e98e3363a5840bc3cb2f80aec", kill_on_drop: false }`
[INFO] [stdout] 4f69cd63ca1b2678703d5677b1057905e4e3530e98e3363a5840bc3cb2f80aec