[INFO] fetching crate fcc 0.3.2...
[INFO] testing fcc-0.3.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate fcc 0.3.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate fcc 0.3.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fcc 0.3.2
[INFO] finished tweaking crates.io crate fcc 0.3.2
[INFO] tweaked toml for crates.io crate fcc 0.3.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate fcc 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f962721537f9a5ce25b47598da8bb5532406c96a6f36f3736fb17fcea6da823
[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" "2f962721537f9a5ce25b47598da8bb5532406c96a6f36f3736fb17fcea6da823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f962721537f9a5ce25b47598da8bb5532406c96a6f36f3736fb17fcea6da823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f962721537f9a5ce25b47598da8bb5532406c96a6f36f3736fb17fcea6da823", kill_on_drop: false }`
[INFO] [stdout] 2f962721537f9a5ce25b47598da8bb5532406c96a6f36f3736fb17fcea6da823
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd368a33b6486525d6ed05521a0465b1b8a2449597500465d3712097f0683a77
[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" "cd368a33b6486525d6ed05521a0465b1b8a2449597500465d3712097f0683a77", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling float-cmp v0.6.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling predicates v1.0.4
[INFO] [stderr]    Compiling assert_cmd v1.0.1
[INFO] [stderr]    Compiling fcc v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.25s
[INFO] running `Command { std: "docker" "inspect" "cd368a33b6486525d6ed05521a0465b1b8a2449597500465d3712097f0683a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd368a33b6486525d6ed05521a0465b1b8a2449597500465d3712097f0683a77", kill_on_drop: false }`
[INFO] [stdout] cd368a33b6486525d6ed05521a0465b1b8a2449597500465d3712097f0683a77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 7e8504ea1cbb68a79a27d80a4d7c7c3117c0b82ddff54bc424822c9ee3c01c1f
[INFO] running `Command { std: "docker" "start" "-a" "7e8504ea1cbb68a79a27d80a4d7c7c3117c0b82ddff54bc424822c9ee3c01c1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling fcc v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "7e8504ea1cbb68a79a27d80a4d7c7c3117c0b82ddff54bc424822c9ee3c01c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8504ea1cbb68a79a27d80a4d7c7c3117c0b82ddff54bc424822c9ee3c01c1f", kill_on_drop: false }`
[INFO] [stdout] 7e8504ea1cbb68a79a27d80a4d7c7c3117c0b82ddff54bc424822c9ee3c01c1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb70389a000130ede246317c78afe18185af870d15665162cef21fb79086f09c
[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" "eb70389a000130ede246317c78afe18185af870d15665162cef21fb79086f09c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fcc-faeeb52c028f3b8c
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test concat::tests::test_seek_vec0 ... ok
[INFO] [stdout] test concat::tests::test_seek_back_vec1 ... ok
[INFO] [stdout] test concat::tests::test_seek_back_vec3 ... ok
[INFO] [stdout] test concat::tests::test_seek_back_vecn ... ok
[INFO] [stdout] test concat::tests::test_seek_nth_back ... ok
[INFO] [stdout] test concat::tests::test_vecu8 ... ok
[INFO] [stdout] test concat::tests::test_seek_vec1 ... ok
[INFO] [stdout] test concat::tests::test_seek_vecn ... ok
[INFO] [stdout] test concat::tests::test_seek_vec3 ... ok
[INFO] [stdout] test concat::tests::test_seek_back_vec0 ... ok
[INFO] [stdout] test concat::tests::test_seek_nth ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fcc-154c34753cf0b49b
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fcc
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test src/concat.rs - concat::Concat<P>::new (line 56) ... ok
[INFO] [stdout] test src/concat.rs - concat::Concat<P>::newline (line 107) ... ok
[INFO] [stdout] test src/concat.rs - concat::Concat<P>::header (line 173) ... ok
[INFO] [stdout] test src/concat.rs - concat::Concat (line 23) ... ok
[INFO] [stdout] test src/concat.rs - concat::Concat<P>::skip_end (line 147) ... ok
[INFO] [stdout] test src/concat.rs - concat::Concat<P>::pad_with (line 195) ... ok
[INFO] [stdout] test src/concat.rs - concat::Concat<P>::skip_start (line 127) ... 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>::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 (line 415) ... ok
[INFO] [stdout] test src/concat.rs - concat::Concat<P>::write (line 259) ... ok
[INFO] [stdout] test src/concat.rs - concat::ByteSeeker::seek (line 597) ... ok
[INFO] [stdout] test src/concat.rs - concat::ByteSeeker::new (line 445) ... ok
[INFO] [stdout] test src/concat.rs - concat::ByteSeeker::reset (line 479) ... ok
[INFO] [stdout] test src/concat.rs - concat::ByteSeeker::seek_nth (line 517) ... 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] test src/util.rs - util::get_last_byte (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eb70389a000130ede246317c78afe18185af870d15665162cef21fb79086f09c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb70389a000130ede246317c78afe18185af870d15665162cef21fb79086f09c", kill_on_drop: false }`
[INFO] [stdout] eb70389a000130ede246317c78afe18185af870d15665162cef21fb79086f09c