[INFO] fetching crate top_n_tail 0.1.0...
[INFO] testing top_n_tail-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate top_n_tail 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate top_n_tail 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-2/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c47fc93e6d2e6c7b4dfdb7d8ff15b7cc8727f22fd1c4a021fed90f13ee3ae92
[INFO] running `Command { std: "docker" "start" "-a" "6c47fc93e6d2e6c7b4dfdb7d8ff15b7cc8727f22fd1c4a021fed90f13ee3ae92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c47fc93e6d2e6c7b4dfdb7d8ff15b7cc8727f22fd1c4a021fed90f13ee3ae92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c47fc93e6d2e6c7b4dfdb7d8ff15b7cc8727f22fd1c4a021fed90f13ee3ae92", kill_on_drop: false }`
[INFO] [stdout] 6c47fc93e6d2e6c7b4dfdb7d8ff15b7cc8727f22fd1c4a021fed90f13ee3ae92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b506f3193dfc22b87866b794e4d1647ea81341bc492bf4926f551920902a7658
[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" "b506f3193dfc22b87866b794e4d1647ea81341bc492bf4926f551920902a7658", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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 17.94s
[INFO] running `Command { std: "docker" "inspect" "b506f3193dfc22b87866b794e4d1647ea81341bc492bf4926f551920902a7658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b506f3193dfc22b87866b794e4d1647ea81341bc492bf4926f551920902a7658", kill_on_drop: false }`
[INFO] [stdout] b506f3193dfc22b87866b794e4d1647ea81341bc492bf4926f551920902a7658
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bd6ab278389807650055754b97d65feaa9f320f7dd3116e00946bccf7d6ea99d
[INFO] running `Command { std: "docker" "start" "-a" "bd6ab278389807650055754b97d65feaa9f320f7dd3116e00946bccf7d6ea99d", 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 1.15s
[INFO] running `Command { std: "docker" "inspect" "bd6ab278389807650055754b97d65feaa9f320f7dd3116e00946bccf7d6ea99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd6ab278389807650055754b97d65feaa9f320f7dd3116e00946bccf7d6ea99d", kill_on_drop: false }`
[INFO] [stdout] bd6ab278389807650055754b97d65feaa9f320f7dd3116e00946bccf7d6ea99d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] daaa2beb654d97247b339d546ba194da6eceb06bbd2a479da4195a08a00cc17c
[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" "daaa2beb654d97247b339d546ba194da6eceb06bbd2a479da4195a08a00cc17c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tnt-b2072c6fedf4dd57)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::filter::start_and_end_greater_than_end_of_file ... 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_valid_but_end_greater_than_end_of_file ... ok
[INFO] [stdout] test tests::filter::start_only_zero_whole_file ... ok
[INFO] [stdout] test tests::filter::start_and_end_all_lines ... ok
[INFO] [stdout] test tests::filter::start_and_end_subset_top ... ok
[INFO] [stdout] test tests::filter::start_and_end_subset_bottom ... ok
[INFO] [stdout] test tests::filter::start_and_end_equal ... 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 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "daaa2beb654d97247b339d546ba194da6eceb06bbd2a479da4195a08a00cc17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daaa2beb654d97247b339d546ba194da6eceb06bbd2a479da4195a08a00cc17c", kill_on_drop: false }`
[INFO] [stdout] daaa2beb654d97247b339d546ba194da6eceb06bbd2a479da4195a08a00cc17c