[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] bec15473db157151e9da8613550de59f2e6d68c6
[INFO] testing mapkts/fcc 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%2Fmapkts%2Ffcc" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mapkts/fcc 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/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-14/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-14/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6e61e943357ba046dc34513f64409cffd99c4fda16e7adb3791b54053e097a6a
[INFO] running `Command { std: "docker" "start" "-a" "6e61e943357ba046dc34513f64409cffd99c4fda16e7adb3791b54053e097a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e61e943357ba046dc34513f64409cffd99c4fda16e7adb3791b54053e097a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e61e943357ba046dc34513f64409cffd99c4fda16e7adb3791b54053e097a6a", kill_on_drop: false }`
[INFO] [stdout] 6e61e943357ba046dc34513f64409cffd99c4fda16e7adb3791b54053e097a6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 7e1e8f3f421f6d8bd678308aaaa42dbee2e4f0766d99c2e474c3669e0f482dae
[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" "7e1e8f3f421f6d8bd678308aaaa42dbee2e4f0766d99c2e474c3669e0f482dae", kill_on_drop: false }`
[INFO] [stderr]    Compiling fcc v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "7e1e8f3f421f6d8bd678308aaaa42dbee2e4f0766d99c2e474c3669e0f482dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e1e8f3f421f6d8bd678308aaaa42dbee2e4f0766d99c2e474c3669e0f482dae", kill_on_drop: false }`
[INFO] [stdout] 7e1e8f3f421f6d8bd678308aaaa42dbee2e4f0766d99c2e474c3669e0f482dae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] ae6703420056598ec4e4dddfe1ce5c9113a20da05a01e34a73423d3601cd3b2a
[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" "ae6703420056598ec4e4dddfe1ce5c9113a20da05a01e34a73423d3601cd3b2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates-core v1.0.1
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling predicates-tree v1.0.1
[INFO] [stderr]    Compiling predicates v1.0.6
[INFO] [stderr]    Compiling assert_cmd v1.0.2
[INFO] [stderr]    Compiling fcc v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.23s
[INFO] running `Command { std: "docker" "inspect" "ae6703420056598ec4e4dddfe1ce5c9113a20da05a01e34a73423d3601cd3b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae6703420056598ec4e4dddfe1ce5c9113a20da05a01e34a73423d3601cd3b2a", kill_on_drop: false }`
[INFO] [stdout] ae6703420056598ec4e4dddfe1ce5c9113a20da05a01e34a73423d3601cd3b2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 729e86a85f9c312faa25d987b6390c3ef91b591f30512c634f5363ba1221411d
[INFO] running `Command { std: "docker" "start" "-a" "729e86a85f9c312faa25d987b6390c3ef91b591f30512c634f5363ba1221411d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fcc-adf89765c82b0dcc
[INFO] [stdout] running 11 tests
[INFO] [stdout] test concat::tests::test_seek_back_vec0 ... ok
[INFO] [stdout] test concat::tests::test_seek_nth_back ... ok
[INFO] [stdout] test concat::tests::test_seek_back_vec3 ... ok
[INFO] [stdout] test concat::tests::test_seek_vec0 ... ok
[INFO] [stdout] test concat::tests::test_seek_vec3 ... ok
[INFO] [stdout] test concat::tests::test_seek_nth ... ok
[INFO] [stdout] test concat::tests::test_seek_vecn ... ok
[INFO] [stdout] test concat::tests::test_seek_back_vecn ... ok
[INFO] [stdout] test concat::tests::test_seek_back_vec1 ... ok
[INFO] [stdout] test concat::tests::test_seek_vec1 ... ok
[INFO] [stdout] test concat::tests::test_vecu8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fcc-1391fe871b57b2e6
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cli-45028589f3c9dd64
[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] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test can_accept_newline_separated_paths_through_stdin ... ok
[INFO] [stdout] test can_write_output_to_a_file ... ok
[INFO] [stdout] test arg_padding_works ... ok
[INFO] [stdout] test bin_fcc_exists ... ok
[INFO] [stdout] test can_accept_paths_through_arg_i ... ok
[INFO] [stdout] test can_accept_space_separated_paths_through_stdin ... ok
[INFO] [stdout] test arg_crlf_works ... ok
[INFO] [stdout] test arg_newline_works ... ok
[INFO] [stdout] test arg_skip_start_works ... ok
[INFO] [stdout] test arg_header_works ... ok
[INFO] [stdout] test arg_skip_end_works ... ok
[INFO] [stderr]    Doc-tests fcc
[INFO] [stdout] test can_interact_with_stdio ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test src/concat.rs - concat::Concat<P>::skip_end (line 147) ... ok
[INFO] [stdout] test src/concat.rs - concat::Concat (line 23) ... ok
[INFO] [stdout] test src/concat.rs - concat::Concat<P>::header (line 173) ... ok
[INFO] [stdout] test src/concat.rs - concat::Concat<P>::newline (line 107) ... ok
[INFO] [stdout] test src/concat.rs - concat::Concat<P>::get_header (line 233) ... ok
[INFO] [stdout] test src/concat.rs - concat::Concat<P>::open (line 80) ... ok
[INFO] [stdout] test src/concat.rs - concat::Concat<P>::pad_with (line 195) ... ok
[INFO] [stdout] test src/concat.rs - concat::Concat<P>::new (line 56) ... ok
[INFO] [stdout] test src/concat.rs - concat::Concat<P>::skip_start (line 127) ... ok
[INFO] [stdout] test src/concat.rs - concat::Concat<P>::use_crlf (line 214) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/util.rs - util::ends_with_newline (line 54) ... ok
[INFO] [stdout] test src/concat.rs - concat::ByteSeeker::new (line 445) ... ok
[INFO] [stdout] test src/concat.rs - concat::Concat<P>::write (line 259) ... ok
[INFO] [stdout] test src/concat.rs - concat::ByteSeeker::seek_nth (line 517) ... ok
[INFO] [stdout] test src/concat.rs - concat::ByteSeeker::seek (line 597) ... ok
[INFO] [stdout] test src/concat.rs - concat::ByteSeeker::reset (line 479) ... ok
[INFO] [stdout] test src/concat.rs - concat::ByteSeeker (line 415) ... ok
[INFO] [stdout] test src/util.rs - util::get_last_byte (line 20) ... ok
[INFO] [stdout] test src/concat.rs - concat::ByteSeeker::seek_back (line 679) ... ok
[INFO] [stdout] test src/concat.rs - concat::ByteSeeker::seek_nth_back (line 556) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "729e86a85f9c312faa25d987b6390c3ef91b591f30512c634f5363ba1221411d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729e86a85f9c312faa25d987b6390c3ef91b591f30512c634f5363ba1221411d", kill_on_drop: false }`
[INFO] [stdout] 729e86a85f9c312faa25d987b6390c3ef91b591f30512c634f5363ba1221411d