[INFO] fetching crate rainbows 1.0.0...
[INFO] testing rainbows-1.0.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate rainbows 1.0.0 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate rainbows 1.0.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rainbows 1.0.0
[INFO] finished tweaking crates.io crate rainbows 1.0.0
[INFO] tweaked toml for crates.io crate rainbows 1.0.0 written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] crate crates.io crate rainbows 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a92deb588bda8981bd46eba99647a8820d0004aa6f166796025a6bc601dc12a
[INFO] running `Command { std: "docker" "start" "-a" "7a92deb588bda8981bd46eba99647a8820d0004aa6f166796025a6bc601dc12a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a92deb588bda8981bd46eba99647a8820d0004aa6f166796025a6bc601dc12a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a92deb588bda8981bd46eba99647a8820d0004aa6f166796025a6bc601dc12a", kill_on_drop: false }`
[INFO] [stdout] 7a92deb588bda8981bd46eba99647a8820d0004aa6f166796025a6bc601dc12a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88317be24cc220075015e1524716c6be4c8fcb01f63579b9d76e08bc0b7c4a66
[INFO] running `Command { std: "docker" "start" "-a" "88317be24cc220075015e1524716c6be4c8fcb01f63579b9d76e08bc0b7c4a66", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling syn v1.0.79
[INFO] [stderr]    Compiling os_str_bytes v3.1.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[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 clap_derive v3.0.0-beta.4
[INFO] [stderr]    Compiling clap v3.0.0-beta.4
[INFO] [stderr]    Compiling rainbows v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.59s
[INFO] running `Command { std: "docker" "inspect" "88317be24cc220075015e1524716c6be4c8fcb01f63579b9d76e08bc0b7c4a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88317be24cc220075015e1524716c6be4c8fcb01f63579b9d76e08bc0b7c4a66", kill_on_drop: false }`
[INFO] [stdout] 88317be24cc220075015e1524716c6be4c8fcb01f63579b9d76e08bc0b7c4a66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b4619cc708056ce53b435b3d2e26b0b2035382e575db461dbd428c7e1f87703
[INFO] running `Command { std: "docker" "start" "-a" "1b4619cc708056ce53b435b3d2e26b0b2035382e575db461dbd428c7e1f87703", 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] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling predicates-tree v1.0.3
[INFO] [stderr]    Compiling predicates v2.0.2
[INFO] [stderr]    Compiling assert_cmd v2.0.1
[INFO] [stderr]    Compiling rainbows v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.50s
[INFO] running `Command { std: "docker" "inspect" "1b4619cc708056ce53b435b3d2e26b0b2035382e575db461dbd428c7e1f87703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b4619cc708056ce53b435b3d2e26b0b2035382e575db461dbd428c7e1f87703", kill_on_drop: false }`
[INFO] [stdout] 1b4619cc708056ce53b435b3d2e26b0b2035382e575db461dbd428c7e1f87703
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3e08a1776c31e3f43499a2f3a9dddd5db684c54536b960e9bb70521d1a520462
[INFO] running `Command { std: "docker" "start" "-a" "3e08a1776c31e3f43499a2f3a9dddd5db684c54536b960e9bb70521d1a520462", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rainbows-12f605b51e3a879b)
[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]      Running tests/main.rs (/opt/rustwide/target/debug/deps/main-46817d9465a82e68)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::print_two_rainbows ... ok
[INFO] [stdout] test tests::print_a_single_rainbow ... ok
[INFO] [stdout] test tests::print_one_thousand_rainbows ... ok
[INFO] [stdout] test tests::when_unparseable_argument_given__print_one_thousand_rainbows ... ok
[INFO] [stdout] test tests::when_no_argument_given__print_a_random_number_of_rainbows ... ok
[INFO] [stdout] test tests::limit_number_of_rainbows_to_one_thousand ... ok
[INFO] [stdout] test tests::when_zero_given__print_a_random_number_of_rainbows ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3e08a1776c31e3f43499a2f3a9dddd5db684c54536b960e9bb70521d1a520462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e08a1776c31e3f43499a2f3a9dddd5db684c54536b960e9bb70521d1a520462", kill_on_drop: false }`
[INFO] [stdout] 3e08a1776c31e3f43499a2f3a9dddd5db684c54536b960e9bb70521d1a520462