[INFO] cloning repository https://github.com/natemcintosh/letter_box
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/natemcintosh/letter_box" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatemcintosh%2Fletter_box", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatemcintosh%2Fletter_box'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5cc3fe1be56426e3508e46a10a97753dde463110
[INFO] testing natemcintosh/letter_box against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatemcintosh%2Fletter_box" "/workspace/builds/worker-111/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-111/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/natemcintosh/letter_box 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 git repo https://github.com/natemcintosh/letter_box
[INFO] finished tweaking git repo https://github.com/natemcintosh/letter_box
[INFO] tweaked toml for git repo https://github.com/natemcintosh/letter_box written to /workspace/builds/worker-111/source/Cargo.toml
[INFO] crate git repo https://github.com/natemcintosh/letter_box 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] 8dfe5538226fb56fa17b9315591245755a4b2116bd409598e3938550d3d64f68
[INFO] running `Command { std: "docker" "start" "-a" "8dfe5538226fb56fa17b9315591245755a4b2116bd409598e3938550d3d64f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dfe5538226fb56fa17b9315591245755a4b2116bd409598e3938550d3d64f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dfe5538226fb56fa17b9315591245755a4b2116bd409598e3938550d3d64f68", kill_on_drop: false }`
[INFO] [stdout] 8dfe5538226fb56fa17b9315591245755a4b2116bd409598e3938550d3d64f68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] 7165f3553b281b6715da6585fad214d558e41d8c417f7200b42b3acc24a7f2a0
[INFO] running `Command { std: "docker" "start" "-a" "7165f3553b281b6715da6585fad214d558e41d8c417f7200b42b3acc24a7f2a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v3.0.0
[INFO] [stderr]    Compiling letter_box v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.10s
[INFO] running `Command { std: "docker" "inspect" "7165f3553b281b6715da6585fad214d558e41d8c417f7200b42b3acc24a7f2a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7165f3553b281b6715da6585fad214d558e41d8c417f7200b42b3acc24a7f2a0", kill_on_drop: false }`
[INFO] [stdout] 7165f3553b281b6715da6585fad214d558e41d8c417f7200b42b3acc24a7f2a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] 35ea404dc83883a5e1c2ec5176f7ebb0552674023c24b17dd675bfcd41614e3d
[INFO] running `Command { std: "docker" "start" "-a" "35ea404dc83883a5e1c2ec5176f7ebb0552674023c24b17dd675bfcd41614e3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling letter_box v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "35ea404dc83883a5e1c2ec5176f7ebb0552674023c24b17dd675bfcd41614e3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35ea404dc83883a5e1c2ec5176f7ebb0552674023c24b17dd675bfcd41614e3d", kill_on_drop: false }`
[INFO] [stdout] 35ea404dc83883a5e1c2ec5176f7ebb0552674023c24b17dd675bfcd41614e3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] 9c37799ab15a3428b08233d645be46d2296e9e5364b4ee837656d14efe6000a0
[INFO] running `Command { std: "docker" "start" "-a" "9c37799ab15a3428b08233d645be46d2296e9e5364b4ee837656d14efe6000a0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/letter_box-4aca94d861d8579c)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_word_is_valid_3 ... ok
[INFO] [stdout] test tests::test_word_is_valid_2 ... ok
[INFO] [stdout] test tests::test_word_is_valid_1 ... ok
[INFO] [stdout] test tests::test_word_is_valid_4 ... ok
[INFO] [stdout] test tests::test_create_sides_1 - should panic ... ok
[INFO] [stdout] test tests::test_word_is_valid_5 ... ok
[INFO] [stdout] test tests::test_words_can_join_2 ... ok
[INFO] [stdout] test tests::test_words_can_join_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9c37799ab15a3428b08233d645be46d2296e9e5364b4ee837656d14efe6000a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c37799ab15a3428b08233d645be46d2296e9e5364b4ee837656d14efe6000a0", kill_on_drop: false }`
[INFO] [stdout] 9c37799ab15a3428b08233d645be46d2296e9e5364b4ee837656d14efe6000a0