[INFO] fetching crate wordler 0.3.0...
[INFO] testing wordler-0.3.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate wordler 0.3.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate wordler 0.3.0 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 crates.io crate wordler 0.3.0
[INFO] finished tweaking crates.io crate wordler 0.3.0
[INFO] tweaked toml for crates.io crate wordler 0.3.0 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate crates.io crate wordler 0.3.0 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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 4750f480ea7d57435ad7e85e38d5f2fd18a82843962160591f4791207ef46d07
[INFO] running `Command { std: "docker" "start" "-a" "4750f480ea7d57435ad7e85e38d5f2fd18a82843962160591f4791207ef46d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4750f480ea7d57435ad7e85e38d5f2fd18a82843962160591f4791207ef46d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4750f480ea7d57435ad7e85e38d5f2fd18a82843962160591f4791207ef46d07", kill_on_drop: false }`
[INFO] [stdout] 4750f480ea7d57435ad7e85e38d5f2fd18a82843962160591f4791207ef46d07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 8993ef822e4d8713692faf21bc3ee08b942ae5fdc576b3f608d9173e99b4d1b6
[INFO] running `Command { std: "docker" "start" "-a" "8993ef822e4d8713692faf21bc3ee08b942ae5fdc576b3f608d9173e99b4d1b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling wordler v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.11s
[INFO] running `Command { std: "docker" "inspect" "8993ef822e4d8713692faf21bc3ee08b942ae5fdc576b3f608d9173e99b4d1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8993ef822e4d8713692faf21bc3ee08b942ae5fdc576b3f608d9173e99b4d1b6", kill_on_drop: false }`
[INFO] [stdout] 8993ef822e4d8713692faf21bc3ee08b942ae5fdc576b3f608d9173e99b4d1b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 54ce992a453da32aac928cac5d259274cf5d62c60b21fe648348f216dde47743
[INFO] running `Command { std: "docker" "start" "-a" "54ce992a453da32aac928cac5d259274cf5d62c60b21fe648348f216dde47743", kill_on_drop: false }`
[INFO] [stderr]    Compiling wordler v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "54ce992a453da32aac928cac5d259274cf5d62c60b21fe648348f216dde47743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ce992a453da32aac928cac5d259274cf5d62c60b21fe648348f216dde47743", kill_on_drop: false }`
[INFO] [stdout] 54ce992a453da32aac928cac5d259274cf5d62c60b21fe648348f216dde47743
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 5c0159c7edd1571029c6e60b0a596e5d658d5ceb79b8876bba09ff0706e5ba47
[INFO] running `Command { std: "docker" "start" "-a" "5c0159c7edd1571029c6e60b0a596e5d658d5ceb79b8876bba09ff0706e5ba47", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wordler-288055434ec925c7)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test wordle::tests::test_double_letters ... ok
[INFO] [stdout] test wordle::tests::test_win_single_attempt ... ok
[INFO] [stdout] test wordle::tests::test_double_letters_input_match_in_future ... ok
[INFO] [stdout] test wordle::tests::test_duplicate ... ok
[INFO] [stdout] test wordle::tests::test_win_six_attempts ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 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/wordler-ba33fc1c79725801)
[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 wordler
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5c0159c7edd1571029c6e60b0a596e5d658d5ceb79b8876bba09ff0706e5ba47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c0159c7edd1571029c6e60b0a596e5d658d5ceb79b8876bba09ff0706e5ba47", kill_on_drop: false }`
[INFO] [stdout] 5c0159c7edd1571029c6e60b0a596e5d658d5ceb79b8876bba09ff0706e5ba47