[INFO] fetching crate top_n_tail 0.1.0...
[INFO] testing top_n_tail-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate top_n_tail 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate top_n_tail 0.1.0 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 top_n_tail 0.1.0
[INFO] finished tweaking crates.io crate top_n_tail 0.1.0
[INFO] tweaked toml for crates.io crate top_n_tail 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate top_n_tail 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 335c3846d536d4ae2f1e78b16aebccc2b1f9e64f13b08c5f8da99d42c055b9c8
[INFO] running `Command { std: "docker" "start" "-a" "335c3846d536d4ae2f1e78b16aebccc2b1f9e64f13b08c5f8da99d42c055b9c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "335c3846d536d4ae2f1e78b16aebccc2b1f9e64f13b08c5f8da99d42c055b9c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "335c3846d536d4ae2f1e78b16aebccc2b1f9e64f13b08c5f8da99d42c055b9c8", kill_on_drop: false }`
[INFO] [stdout] 335c3846d536d4ae2f1e78b16aebccc2b1f9e64f13b08c5f8da99d42c055b9c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 526d781b095eee889614199c3ca5514fa343cbabdbce877eb40896350a17f392
[INFO] running `Command { std: "docker" "start" "-a" "526d781b095eee889614199c3ca5514fa343cbabdbce877eb40896350a17f392", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling top_n_tail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.94s
[INFO] running `Command { std: "docker" "inspect" "526d781b095eee889614199c3ca5514fa343cbabdbce877eb40896350a17f392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "526d781b095eee889614199c3ca5514fa343cbabdbce877eb40896350a17f392", kill_on_drop: false }`
[INFO] [stdout] 526d781b095eee889614199c3ca5514fa343cbabdbce877eb40896350a17f392
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] c232deca5459c5241413668618c363e74d1f04c4d135681d8f341b09af014b50
[INFO] running `Command { std: "docker" "start" "-a" "c232deca5459c5241413668618c363e74d1f04c4d135681d8f341b09af014b50", kill_on_drop: false }`
[INFO] [stderr]    Compiling top_n_tail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "c232deca5459c5241413668618c363e74d1f04c4d135681d8f341b09af014b50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c232deca5459c5241413668618c363e74d1f04c4d135681d8f341b09af014b50", kill_on_drop: false }`
[INFO] [stdout] c232deca5459c5241413668618c363e74d1f04c4d135681d8f341b09af014b50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] dcafad682a821e36bb85241258bb0c3e82f89ed3db34bb26faa15e8fe4168162
[INFO] running `Command { std: "docker" "start" "-a" "dcafad682a821e36bb85241258bb0c3e82f89ed3db34bb26faa15e8fe4168162", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tnt-efea4cdd533fdce4)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::filter::start_and_end_equal ... ok
[INFO] [stdout] test tests::filter::start_and_end_greater_than_end_of_file ... ok
[INFO] [stdout] test tests::filter::start_and_end_all_lines ... ok
[INFO] [stdout] test tests::filter::start_and_end_subset_bottom ... ok
[INFO] [stdout] test tests::filter::start_and_end_subset_top ... ok
[INFO] [stdout] test tests::filter::start_only_greater_than_end_of_file ... ok
[INFO] [stdout] test tests::filter::start_only_subset ... ok
[INFO] [stdout] test tests::filter::start_only_zero_whole_file ... ok
[INFO] [stdout] test tests::filter::start_valid_but_end_greater_than_end_of_file ... ok
[INFO] [stdout] test tests::filter::start_greater_than_end - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dcafad682a821e36bb85241258bb0c3e82f89ed3db34bb26faa15e8fe4168162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcafad682a821e36bb85241258bb0c3e82f89ed3db34bb26faa15e8fe4168162", kill_on_drop: false }`
[INFO] [stdout] dcafad682a821e36bb85241258bb0c3e82f89ed3db34bb26faa15e8fe4168162