[INFO] fetching crate swappy 0.3.0...
[INFO] testing swappy-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate swappy 0.3.0 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate swappy 0.3.0 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 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-97/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] a2abec940de10f00e261dae16b203dd8f2c33bdda76fdc236234c04dbbad542d
[INFO] running `Command { std: "docker" "start" "-a" "a2abec940de10f00e261dae16b203dd8f2c33bdda76fdc236234c04dbbad542d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2abec940de10f00e261dae16b203dd8f2c33bdda76fdc236234c04dbbad542d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2abec940de10f00e261dae16b203dd8f2c33bdda76fdc236234c04dbbad542d", kill_on_drop: false }`
[INFO] [stdout] a2abec940de10f00e261dae16b203dd8f2c33bdda76fdc236234c04dbbad542d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] e1e9300a365e3e24f877bb1cd743f6c3200714f1ff675a35f843788adf683eb2
[INFO] running `Command { std: "docker" "start" "-a" "e1e9300a365e3e24f877bb1cd743f6c3200714f1ff675a35f843788adf683eb2", 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 9.43s
[INFO] running `Command { std: "docker" "inspect" "e1e9300a365e3e24f877bb1cd743f6c3200714f1ff675a35f843788adf683eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1e9300a365e3e24f877bb1cd743f6c3200714f1ff675a35f843788adf683eb2", kill_on_drop: false }`
[INFO] [stdout] e1e9300a365e3e24f877bb1cd743f6c3200714f1ff675a35f843788adf683eb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] e846a554026979dec3c706bcd2c29a33ab067064654a04d57e70684ed3817b53
[INFO] running `Command { std: "docker" "start" "-a" "e846a554026979dec3c706bcd2c29a33ab067064654a04d57e70684ed3817b53", 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 3.79s
[INFO] running `Command { std: "docker" "inspect" "e846a554026979dec3c706bcd2c29a33ab067064654a04d57e70684ed3817b53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e846a554026979dec3c706bcd2c29a33ab067064654a04d57e70684ed3817b53", kill_on_drop: false }`
[INFO] [stdout] e846a554026979dec3c706bcd2c29a33ab067064654a04d57e70684ed3817b53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 0848be82ae7e78c0296eb9847f8ba697ce9af126c7248a5475a5ba0ff3bafcde
[INFO] running `Command { std: "docker" "start" "-a" "0848be82ae7e78c0296eb9847f8ba697ce9af126c7248a5475a5ba0ff3bafcde", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/swappy-a9e62e149b223600)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test found_words::tests::equal_to_self ... ok
[INFO] [stdout] test candidate_anagram::tests::test_without ... ok
[INFO] [stdout] test alphagram::tests::removals ... ok
[INFO] [stdout] test alphagram::tests::ignores_whitespace ... ok
[INFO] [stdout] test solver::tests::benchmark ... ignored
[INFO] [stdout] test found_words::tests::test_push ... ok
[INFO] [stdout] test solver::tests::test_found_words_to_string ... ok
[INFO] [stdout] test solver::tests::test_anagrams_for ... 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" "0848be82ae7e78c0296eb9847f8ba697ce9af126c7248a5475a5ba0ff3bafcde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0848be82ae7e78c0296eb9847f8ba697ce9af126c7248a5475a5ba0ff3bafcde", kill_on_drop: false }`
[INFO] [stdout] 0848be82ae7e78c0296eb9847f8ba697ce9af126c7248a5475a5ba0ff3bafcde