[INFO] fetching crate spelling_bee_solver 0.1.0...
[INFO] testing spelling_bee_solver-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate spelling_bee_solver 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate spelling_bee_solver 0.1.0 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 spelling_bee_solver 0.1.0
[INFO] finished tweaking crates.io crate spelling_bee_solver 0.1.0
[INFO] tweaked toml for crates.io crate spelling_bee_solver 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate spelling_bee_solver 0.1.0 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 7c18ab7776a61bb717923ad00c0e5cfa23e5c93be171ebe9c7fb565a857b85ba
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7c18ab7776a61bb717923ad00c0e5cfa23e5c93be171ebe9c7fb565a857b85ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c18ab7776a61bb717923ad00c0e5cfa23e5c93be171ebe9c7fb565a857b85ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c18ab7776a61bb717923ad00c0e5cfa23e5c93be171ebe9c7fb565a857b85ba", kill_on_drop: false }`
[INFO] [stdout] 7c18ab7776a61bb717923ad00c0e5cfa23e5c93be171ebe9c7fb565a857b85ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] f4b14de65e186546df395d91dc389dd3319c95e45d0a6e1acfff927fcc11f969
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f4b14de65e186546df395d91dc389dd3319c95e45d0a6e1acfff927fcc11f969", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling spelling_bee_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.67s
[INFO] running `Command { std: "docker" "inspect" "f4b14de65e186546df395d91dc389dd3319c95e45d0a6e1acfff927fcc11f969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b14de65e186546df395d91dc389dd3319c95e45d0a6e1acfff927fcc11f969", kill_on_drop: false }`
[INFO] [stdout] f4b14de65e186546df395d91dc389dd3319c95e45d0a6e1acfff927fcc11f969
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 904162b390bcbb6372d898a9f9a25ed7230796472e569147718ead062b9dfcb1
[INFO] running `Command { std: "docker" "start" "-a" "904162b390bcbb6372d898a9f9a25ed7230796472e569147718ead062b9dfcb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling spelling_bee_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "904162b390bcbb6372d898a9f9a25ed7230796472e569147718ead062b9dfcb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "904162b390bcbb6372d898a9f9a25ed7230796472e569147718ead062b9dfcb1", kill_on_drop: false }`
[INFO] [stdout] 904162b390bcbb6372d898a9f9a25ed7230796472e569147718ead062b9dfcb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 2ed16251631a7dadfbdd219e69dd3aa077894e31f8ad8686db989fd6d4cb91db
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2ed16251631a7dadfbdd219e69dd3aa077894e31f8ad8686db989fd6d4cb91db", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/spelling_bee_solver-a7f01bd303420218)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::word_matches_contains_disallowed_characters ... ok
[INFO] [stdout] test test::word_matches_does_not_contain_primary_character ... ok
[INFO] [stdout] test test::word_matches_too_short ... ok
[INFO] [stdout] test test::word_matches_passes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ed16251631a7dadfbdd219e69dd3aa077894e31f8ad8686db989fd6d4cb91db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ed16251631a7dadfbdd219e69dd3aa077894e31f8ad8686db989fd6d4cb91db", kill_on_drop: false }`
[INFO] [stdout] 2ed16251631a7dadfbdd219e69dd3aa077894e31f8ad8686db989fd6d4cb91db