[INFO] cloning repository https://github.com/mapkts/fcc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mapkts/fcc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmapkts%2Ffcc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmapkts%2Ffcc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f5dafe0488533f0d988fc059923e5ae41e6a921
[INFO] testing mapkts/fcc against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmapkts%2Ffcc" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mapkts/fcc 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 git repo https://github.com/mapkts/fcc
[INFO] finished tweaking git repo https://github.com/mapkts/fcc
[INFO] tweaked toml for git repo https://github.com/mapkts/fcc written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mapkts/fcc 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 176f76bf8a208c895abb3545cabdd54c2bd408a346fff3be0c657b3fa5f05957
[INFO] running `Command { std: "docker" "start" "-a" "176f76bf8a208c895abb3545cabdd54c2bd408a346fff3be0c657b3fa5f05957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "176f76bf8a208c895abb3545cabdd54c2bd408a346fff3be0c657b3fa5f05957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "176f76bf8a208c895abb3545cabdd54c2bd408a346fff3be0c657b3fa5f05957", kill_on_drop: false }`
[INFO] [stdout] 176f76bf8a208c895abb3545cabdd54c2bd408a346fff3be0c657b3fa5f05957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e39c05397b42aaa0bf282a55e9cc6949d2e52cdb27a9de10747649616f03cade
[INFO] running `Command { std: "docker" "start" "-a" "e39c05397b42aaa0bf282a55e9cc6949d2e52cdb27a9de10747649616f03cade", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling byteseeker v0.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling admerge v0.1.3
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling fcc v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.40s
[INFO] running `Command { std: "docker" "inspect" "e39c05397b42aaa0bf282a55e9cc6949d2e52cdb27a9de10747649616f03cade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e39c05397b42aaa0bf282a55e9cc6949d2e52cdb27a9de10747649616f03cade", kill_on_drop: false }`
[INFO] [stdout] e39c05397b42aaa0bf282a55e9cc6949d2e52cdb27a9de10747649616f03cade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 1cec443209013555c3cb5fc56350ca6f422226fb97d91a542a4f016a732cfe2f
[INFO] running `Command { std: "docker" "start" "-a" "1cec443209013555c3cb5fc56350ca6f422226fb97d91a542a4f016a732cfe2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling float-cmp v0.6.0
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling predicates v1.0.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling assert_cmd v1.0.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling fcc v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.33s
[INFO] running `Command { std: "docker" "inspect" "1cec443209013555c3cb5fc56350ca6f422226fb97d91a542a4f016a732cfe2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cec443209013555c3cb5fc56350ca6f422226fb97d91a542a4f016a732cfe2f", kill_on_drop: false }`
[INFO] [stdout] 1cec443209013555c3cb5fc56350ca6f422226fb97d91a542a4f016a732cfe2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 27eda19e8f65b45f8a7f843dd603386e12683f44ad6422ff8541a963aa6f7f45
[INFO] running `Command { std: "docker" "start" "-a" "27eda19e8f65b45f8a7f843dd603386e12683f44ad6422ff8541a963aa6f7f45", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fcc-dcd1a709ba05eb48)
[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/cli.rs (/opt/rustwide/target/debug/deps/cli-a788a667df0aa482)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test arg_headonce_works_as_expected ... ok
[INFO] [stdout] test can_accept_paths_through_arg_i ... ok
[INFO] [stdout] test can_accept_newline_and_space_separated_paths_through_stdin ... ok
[INFO] [stdout] test can_accept_newline_separated_paths_through_stdin ... ok
[INFO] [stdout] test can_interact_with_stdio ... ok
[INFO] [stdout] test arg_newline_style_works_as_expected ... ok
[INFO] [stdout] test arg_skip_tail_bytes_works_as_expected ... ok
[INFO] [stdout] test arg_skip_tail_onces_works_as_expected ... ok
[INFO] [stdout] test arg_padding_works_as_expected ... ok
[INFO] [stdout] test skip_tails_cannot_provide_at_the_same_time ... ok
[INFO] [stdout] test skip_heads_cannot_provide_at_the_same_time ... ok
[INFO] [stdout] test can_write_output_to_a_file ... ok
[INFO] [stdout] test arg_newline_works_as_expected ... ok
[INFO] [stdout] test can_accept_space_separated_paths_through_stdin ... ok
[INFO] [stdout] test bin_fcc_exists ... ok
[INFO] [stdout] test arg_tailonce_works_as_expected ... ok
[INFO] [stdout] test args_mixed_works_as_expected ... ok
[INFO] [stdout] test arg_skip_head_bytes_works_as_expected ... ok
[INFO] [stdout] test arg_skip_tail_works_as_expected ... ok
[INFO] [stdout] test arg_skip_head_once_works_as_expected ... ok
[INFO] [stdout] test arg_skip_head_works_as_expected ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "27eda19e8f65b45f8a7f843dd603386e12683f44ad6422ff8541a963aa6f7f45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27eda19e8f65b45f8a7f843dd603386e12683f44ad6422ff8541a963aa6f7f45", kill_on_drop: false }`
[INFO] [stdout] 27eda19e8f65b45f8a7f843dd603386e12683f44ad6422ff8541a963aa6f7f45