[INFO] fetching crate unicode-bom 1.1.4...
[INFO] testing unicode-bom-1.1.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate unicode-bom 1.1.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate unicode-bom 1.1.4 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 crates.io crate unicode-bom 1.1.4
[INFO] finished tweaking crates.io crate unicode-bom 1.1.4
[INFO] tweaked toml for crates.io crate unicode-bom 1.1.4 written to /workspace/builds/worker-6/source/Cargo.toml
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 85e8939b01b9c6e419af3c3e16dd68c93de590174c890fb8a1da516877d620cf
[INFO] running `Command { std: "docker" "start" "-a" "85e8939b01b9c6e419af3c3e16dd68c93de590174c890fb8a1da516877d620cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85e8939b01b9c6e419af3c3e16dd68c93de590174c890fb8a1da516877d620cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e8939b01b9c6e419af3c3e16dd68c93de590174c890fb8a1da516877d620cf", kill_on_drop: false }`
[INFO] [stdout] 85e8939b01b9c6e419af3c3e16dd68c93de590174c890fb8a1da516877d620cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 69802294cd5de0e748a5f64dec0c3bdbb47598b751b7847083af114587c11842
[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" "69802294cd5de0e748a5f64dec0c3bdbb47598b751b7847083af114587c11842", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-bom v1.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "69802294cd5de0e748a5f64dec0c3bdbb47598b751b7847083af114587c11842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69802294cd5de0e748a5f64dec0c3bdbb47598b751b7847083af114587c11842", kill_on_drop: false }`
[INFO] [stdout] 69802294cd5de0e748a5f64dec0c3bdbb47598b751b7847083af114587c11842
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 177f2b85fa17aa00437b2176639ebbe2ccb465fc96d92ad82134ec30d8417a30
[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" "177f2b85fa17aa00437b2176639ebbe2ccb465fc96d92ad82134ec30d8417a30", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-bom v1.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "177f2b85fa17aa00437b2176639ebbe2ccb465fc96d92ad82134ec30d8417a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177f2b85fa17aa00437b2176639ebbe2ccb465fc96d92ad82134ec30d8417a30", kill_on_drop: false }`
[INFO] [stdout] 177f2b85fa17aa00437b2176639ebbe2ccb465fc96d92ad82134ec30d8417a30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 79f82f20b723fb5d15e8e3c7a7478a82bb883a0d6ce2a5c9633484e4230fdade
[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" "79f82f20b723fb5d15e8e3c7a7478a82bb883a0d6ce2a5c9633484e4230fdade", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unicode_bom-ee881253c6ac8f09
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test::as_ref ... ok
[INFO] [stdout] test test::from_slice ... ok
[INFO] [stdout] test test::from_path ... ok
[INFO] [stdout] test test::len ... ok
[INFO] [stdout] test test::to_string ... ok
[INFO] [stdout] test test::default ... ok
[INFO] [stdout] test test::from_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unicode-bom
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79f82f20b723fb5d15e8e3c7a7478a82bb883a0d6ce2a5c9633484e4230fdade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79f82f20b723fb5d15e8e3c7a7478a82bb883a0d6ce2a5c9633484e4230fdade", kill_on_drop: false }`
[INFO] [stdout] 79f82f20b723fb5d15e8e3c7a7478a82bb883a0d6ce2a5c9633484e4230fdade