[INFO] fetching crate rcut-lib 0.0.52...
[INFO] testing rcut-lib-0.0.52 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rcut-lib 0.0.52 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rcut-lib 0.0.52 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 rcut-lib 0.0.52
[INFO] finished tweaking crates.io crate rcut-lib 0.0.52
[INFO] tweaked toml for crates.io crate rcut-lib 0.0.52 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] ce9c005fc8fca0775f3a3f229434a4ba12050dd30c6dfca8edb22f6aedcb80ef
[INFO] running `Command { std: "docker" "start" "-a" "ce9c005fc8fca0775f3a3f229434a4ba12050dd30c6dfca8edb22f6aedcb80ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce9c005fc8fca0775f3a3f229434a4ba12050dd30c6dfca8edb22f6aedcb80ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce9c005fc8fca0775f3a3f229434a4ba12050dd30c6dfca8edb22f6aedcb80ef", kill_on_drop: false }`
[INFO] [stdout] ce9c005fc8fca0775f3a3f229434a4ba12050dd30c6dfca8edb22f6aedcb80ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 5f7eee8a231f3aa24763253f519414ed25e144e2593b594fbcc256239fa4331d
[INFO] running `Command { std: "docker" "start" "-a" "5f7eee8a231f3aa24763253f519414ed25e144e2593b594fbcc256239fa4331d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rtools-traits v0.0.52
[INFO] [stderr]    Compiling rcut-lib v0.0.52 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "5f7eee8a231f3aa24763253f519414ed25e144e2593b594fbcc256239fa4331d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f7eee8a231f3aa24763253f519414ed25e144e2593b594fbcc256239fa4331d", kill_on_drop: false }`
[INFO] [stdout] 5f7eee8a231f3aa24763253f519414ed25e144e2593b594fbcc256239fa4331d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 911ac5960dab2c0018181b09d14d982df3471efa0c38c8c33bf89fe72de5bbef
[INFO] running `Command { std: "docker" "start" "-a" "911ac5960dab2c0018181b09d14d982df3471efa0c38c8c33bf89fe72de5bbef", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcut-lib v0.0.52 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "911ac5960dab2c0018181b09d14d982df3471efa0c38c8c33bf89fe72de5bbef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "911ac5960dab2c0018181b09d14d982df3471efa0c38c8c33bf89fe72de5bbef", kill_on_drop: false }`
[INFO] [stdout] 911ac5960dab2c0018181b09d14d982df3471efa0c38c8c33bf89fe72de5bbef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b9517018693606c6ce38349c252f6d9f8957dca44b6dab3881e2b1a1c8ad539f
[INFO] running `Command { std: "docker" "start" "-a" "b9517018693606c6ce38349c252f6d9f8957dca44b6dab3881e2b1a1c8ad539f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rcut_lib-96045a37e6f26d70)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test tests::test_merge_ranged_pairs ... ok
[INFO] [stdout] test tests::test_process_ascii_fields_for_line_1st_field_empty ... ok
[INFO] [stdout] test tests::test_extract_ranged_pairs_ensure_no_sorting ... ok
[INFO] [stdout] test tests::test_extract_ranged_pairs_basic_valid_inputs ... ok
[INFO] [stdout] test tests::test_process_ascii_fields_for_line_leading_delim ... ok
[INFO] [stdout] test tests::test_process_ascii_fields_for_line_ignored_delim ... ok
[INFO] [stdout] test tests::test_process_ascii_fields_for_line_trailing_delim ... ok
[INFO] [stdout] test tests::test_process_line_ascii ... ok
[INFO] [stdout] test tests::test_process_line_utf8 ... ok
[INFO] [stdout] test tests::test_process_utf8_fields_for_line_1st_field_empty ... ok
[INFO] [stdout] test tests::test_process_lines_utf8_with_cursor ... ok
[INFO] [stdout] test tests::test_extract_ranged_pairs_bad_range - should panic ... ok
[INFO] [stdout] test tests::test_process_line_ascii_panic - should panic ... ok
[INFO] [stdout] test tests::test_extract_ranged_pairs_empty - should panic ... ok
[INFO] [stdout] test tests::test_str_to_ranged_pair_empty_input - should panic ... ok
[INFO] [stdout] test tests::test_str_to_ranged_pair_invalid_char - should panic ... ok
[INFO] [stdout] test tests::test_str_to_ranged_pair_valid_inputs ... ok
[INFO] [stdout] test tests::test_str_to_ranged_pair_no_range - should panic ... ok
[INFO] [stdout] test tests::test_str_to_ranged_pair_space - should panic ... ok
[INFO] [stdout] test tests::test_str_to_ranged_pair_tab - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rcut_lib
[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] running `Command { std: "docker" "inspect" "b9517018693606c6ce38349c252f6d9f8957dca44b6dab3881e2b1a1c8ad539f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9517018693606c6ce38349c252f6d9f8957dca44b6dab3881e2b1a1c8ad539f", kill_on_drop: false }`
[INFO] [stdout] b9517018693606c6ce38349c252f6d9f8957dca44b6dab3881e2b1a1c8ad539f