[INFO] fetching crate uu_head 0.0.12...
[INFO] testing uu_head-0.0.12 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate uu_head 0.0.12 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate uu_head 0.0.12 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uu_head 0.0.12
[INFO] finished tweaking crates.io crate uu_head 0.0.12
[INFO] tweaked toml for crates.io crate uu_head 0.0.12 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate uu_head 0.0.12 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b63f7966dc08befdf0f25ac600b13135a618db88433a86906528e5f26bc7109
[INFO] running `Command { std: "docker" "start" "-a" "0b63f7966dc08befdf0f25ac600b13135a618db88433a86906528e5f26bc7109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b63f7966dc08befdf0f25ac600b13135a618db88433a86906528e5f26bc7109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b63f7966dc08befdf0f25ac600b13135a618db88433a86906528e5f26bc7109", kill_on_drop: false }`
[INFO] [stdout] 0b63f7966dc08befdf0f25ac600b13135a618db88433a86906528e5f26bc7109
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 768ab3e2972f8622a669db99dd883a1ccc8e423cba0c05a4d12bc8d10a67f3a2
[INFO] running `Command { std: "docker" "start" "-a" "768ab3e2972f8622a669db99dd883a1ccc8e423cba0c05a4d12bc8d10a67f3a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling wild v2.0.4
[INFO] [stderr]    Compiling dunce v1.0.2
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling os_display v0.1.2
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling uucore v0.0.12
[INFO] [stderr]    Compiling uucore_procs v0.0.12
[INFO] [stderr]    Compiling uu_head v0.0.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.09s
[INFO] running `Command { std: "docker" "inspect" "768ab3e2972f8622a669db99dd883a1ccc8e423cba0c05a4d12bc8d10a67f3a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "768ab3e2972f8622a669db99dd883a1ccc8e423cba0c05a4d12bc8d10a67f3a2", kill_on_drop: false }`
[INFO] [stdout] 768ab3e2972f8622a669db99dd883a1ccc8e423cba0c05a4d12bc8d10a67f3a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15174cd12b3140ad5e8a64fb6f90ca4caec806430f2509e5cba59941826bc8bc
[INFO] running `Command { std: "docker" "start" "-a" "15174cd12b3140ad5e8a64fb6f90ca4caec806430f2509e5cba59941826bc8bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling uu_head v0.0.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "15174cd12b3140ad5e8a64fb6f90ca4caec806430f2509e5cba59941826bc8bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15174cd12b3140ad5e8a64fb6f90ca4caec806430f2509e5cba59941826bc8bc", kill_on_drop: false }`
[INFO] [stdout] 15174cd12b3140ad5e8a64fb6f90ca4caec806430f2509e5cba59941826bc8bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 72b4892d9f6e008ce2e10dc72926792bbd1d92df7f019205aae48b95c41342b9
[INFO] running `Command { std: "docker" "start" "-a" "72b4892d9f6e008ce2e10dc72926792bbd1d92df7f019205aae48b95c41342b9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/uu_head-d46c35cfb355cf93)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test lines::tests::test_null_terminated ... ok
[INFO] [stdout] test parse::tests::test_parse_errors_obsolete ... ok
[INFO] [stdout] test lines::tests::test_not_null_terminated ... ok
[INFO] [stdout] test parse::tests::test_parse_obsolete_no_match ... ok
[INFO] [stdout] test take::tests::test_fewer_elements ... ok
[INFO] [stdout] test parse::tests::test_parse_numbers_obsolete ... ok
[INFO] [stdout] test parse::tests::test_parse_obsolete_overflow_x64 ... ok
[INFO] [stdout] test take::tests::test_more_elements ... ok
[INFO] [stdout] test take::tests::test_fewer_lines ... ok
[INFO] [stdout] test take::tests::test_same_number_of_elements ... ok
[INFO] [stdout] test take::tests::test_zero_elements ... ok
[INFO] [stdout] test take::tests::test_more_lines ... ok
[INFO] [stdout] test take::tests::test_zero_lines ... ok
[INFO] [stdout] test tests::test_arg_iterate ... ok
[INFO] [stdout] test tests::test_arg_iterate_bad_encoding ... ok
[INFO] [stdout] test tests::test_options_correct_defaults ... ok
[INFO] [stdout] test tests::test_parse_mode ... ok
[INFO] [stdout] test tests::read_early_exit ... ok
[INFO] [stdout] test tests::test_args_modes ... ok
[INFO] [stdout] test tests::test_options_errors ... ok
[INFO] [stdout] test tests::test_gnu_compatibility ... ok
[INFO] [stdout] test tests::all_args_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/head-9cab48dd7db913d2)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests uu_head
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lines.rs - lines::zlines (line 18) ... ignored
[INFO] [stdout] test src/take.rs - take::take_all_but (line 12) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "72b4892d9f6e008ce2e10dc72926792bbd1d92df7f019205aae48b95c41342b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b4892d9f6e008ce2e10dc72926792bbd1d92df7f019205aae48b95c41342b9", kill_on_drop: false }`
[INFO] [stdout] 72b4892d9f6e008ce2e10dc72926792bbd1d92df7f019205aae48b95c41342b9