[INFO] cloning repository https://github.com/agourlay/words-with-letters
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/agourlay/words-with-letters" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagourlay%2Fwords-with-letters", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagourlay%2Fwords-with-letters'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7e7c8a996e5ca250826ac01d9b6b13ea999b426
[INFO] testing agourlay/words-with-letters against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagourlay%2Fwords-with-letters" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agourlay/words-with-letters on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/agourlay/words-with-letters
[INFO] finished tweaking git repo https://github.com/agourlay/words-with-letters
[INFO] tweaked toml for git repo https://github.com/agourlay/words-with-letters written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/agourlay/words-with-letters already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.64
[INFO] [stderr]   Downloaded criterion-plot v0.4.3
[INFO] [stderr]   Downloaded half v1.6.0
[INFO] [stderr]   Downloaded oorandom v11.1.2
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.64
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.64
[INFO] [stderr]   Downloaded serde_json v1.0.56
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded criterion v0.3.3
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.64
[INFO] [stderr]   Downloaded serde_cbor v0.11.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.64
[INFO] [stderr]   Downloaded tinytemplate v1.1.0
[INFO] [stderr]   Downloaded quickcheck_macros v0.9.1
[INFO] [stderr]   Downloaded quickcheck v0.9.2
[INFO] [stderr]   Downloaded js-sys v0.3.41
[INFO] [stderr]   Downloaded bstr v0.2.13
[INFO] [stderr]   Downloaded web-sys v0.3.41
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] [stderr]   Downloaded plotters v0.2.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9607a1c008b7d65f45a2819463bbfed9370ea9aa4a55edcff84d8b433ffc766
[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" "c9607a1c008b7d65f45a2819463bbfed9370ea9aa4a55edcff84d8b433ffc766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9607a1c008b7d65f45a2819463bbfed9370ea9aa4a55edcff84d8b433ffc766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9607a1c008b7d65f45a2819463bbfed9370ea9aa4a55edcff84d8b433ffc766", kill_on_drop: false }`
[INFO] [stdout] c9607a1c008b7d65f45a2819463bbfed9370ea9aa4a55edcff84d8b433ffc766
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7a353e565b214d22b94d94ddfd552ecc99b704038f84b8603f8a72bc9bdfb58
[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" "f7a353e565b214d22b94d94ddfd552ecc99b704038f84b8603f8a72bc9bdfb58", kill_on_drop: false }`
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling words-with-letters v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.28s
[INFO] running `Command { std: "docker" "inspect" "f7a353e565b214d22b94d94ddfd552ecc99b704038f84b8603f8a72bc9bdfb58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7a353e565b214d22b94d94ddfd552ecc99b704038f84b8603f8a72bc9bdfb58", kill_on_drop: false }`
[INFO] [stdout] f7a353e565b214d22b94d94ddfd552ecc99b704038f84b8603f8a72bc9bdfb58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d436998f413c25e871f2302f2d8d86ce03f9917f7bfed7ad9803fa452d74025
[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" "3d436998f413c25e871f2302f2d8d86ce03f9917f7bfed7ad9803fa452d74025", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling words-with-letters v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "3d436998f413c25e871f2302f2d8d86ce03f9917f7bfed7ad9803fa452d74025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d436998f413c25e871f2302f2d8d86ce03f9917f7bfed7ad9803fa452d74025", kill_on_drop: false }`
[INFO] [stdout] 3d436998f413c25e871f2302f2d8d86ce03f9917f7bfed7ad9803fa452d74025
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 82a346c218f753ea379166ba88601d6c341ea9aa48583a2aa22adfdff0c93d1f
[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" "82a346c218f753ea379166ba88601d6c341ea9aa48583a2aa22adfdff0c93d1f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/words_with_letters-56c75e42a00c8ee1
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test words::words_with_letters_tests::remove_first_exists ... ok
[INFO] [stdout] test words::words_with_letters_tests::word_can_build_from_letters_happy ... ok
[INFO] [stdout] test words::words_with_letters_tests::remove_first_no_match ... ok
[INFO] [stdout] test words::words_with_letters_tests::word_can_build_from_letters_duplicate_letter ... ok
[INFO] [stdout] test words::words_with_letters_tests::sentences_for_letters_multiple_words ... ok
[INFO] [stdout] test words::words_with_letters_tests::word_cant_be_built_from_different_letters ... ok
[INFO] [stdout] test words::words_with_letters_tests::word_can_be_built_from_its_own_letters ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "82a346c218f753ea379166ba88601d6c341ea9aa48583a2aa22adfdff0c93d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a346c218f753ea379166ba88601d6c341ea9aa48583a2aa22adfdff0c93d1f", kill_on_drop: false }`
[INFO] [stdout] 82a346c218f753ea379166ba88601d6c341ea9aa48583a2aa22adfdff0c93d1f