[INFO] fetching crate rcut-lib 0.0.52...
[INFO] testing rcut-lib-0.0.52 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate rcut-lib 0.0.52 into /workspace/builds/worker-4-tc2/source
[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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rcut-lib 0.0.52 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28ad6847088a9709aca054e07c4cba23d9af8dd9f702c225bb2fe2b4dec99fec
[INFO] running `Command { std: "docker" "start" "-a" "28ad6847088a9709aca054e07c4cba23d9af8dd9f702c225bb2fe2b4dec99fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28ad6847088a9709aca054e07c4cba23d9af8dd9f702c225bb2fe2b4dec99fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ad6847088a9709aca054e07c4cba23d9af8dd9f702c225bb2fe2b4dec99fec", kill_on_drop: false }`
[INFO] [stdout] 28ad6847088a9709aca054e07c4cba23d9af8dd9f702c225bb2fe2b4dec99fec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85f8da84e522c6c7246a240a92caf8718a4e62eb644cf3506ae440a880420c68
[INFO] running `Command { std: "docker" "start" "-a" "85f8da84e522c6c7246a240a92caf8718a4e62eb644cf3506ae440a880420c68", 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` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "85f8da84e522c6c7246a240a92caf8718a4e62eb644cf3506ae440a880420c68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f8da84e522c6c7246a240a92caf8718a4e62eb644cf3506ae440a880420c68", kill_on_drop: false }`
[INFO] [stdout] 85f8da84e522c6c7246a240a92caf8718a4e62eb644cf3506ae440a880420c68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f3c21ebef569dddcda9f14f804ab796f40a7924a7bf2b05c8c3867808a9718d
[INFO] running `Command { std: "docker" "start" "-a" "0f3c21ebef569dddcda9f14f804ab796f40a7924a7bf2b05c8c3867808a9718d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcut-lib v0.0.52 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "0f3c21ebef569dddcda9f14f804ab796f40a7924a7bf2b05c8c3867808a9718d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f3c21ebef569dddcda9f14f804ab796f40a7924a7bf2b05c8c3867808a9718d", kill_on_drop: false }`
[INFO] [stdout] 0f3c21ebef569dddcda9f14f804ab796f40a7924a7bf2b05c8c3867808a9718d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 290ad13e8efbb285a82cf7a2c03f7adf4fde7151a2a03608e35f1053088fb6ad
[INFO] running `Command { std: "docker" "start" "-a" "290ad13e8efbb285a82cf7a2c03f7adf4fde7151a2a03608e35f1053088fb6ad", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rcut_lib-0c9ddfde6905c103)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test tests::test_merge_ranged_pairs ... ok
[INFO] [stdout] test tests::test_extract_ranged_pairs_basic_valid_inputs ... ok
[INFO] [stdout] test tests::test_extract_ranged_pairs_ensure_no_sorting ... ok
[INFO] [stdout] test tests::test_process_ascii_fields_for_line_ignored_delim ... ok
[INFO] [stdout] test tests::test_process_ascii_fields_for_line_1st_field_empty ... ok
[INFO] [stdout] test tests::test_process_ascii_fields_for_line_leading_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_lines_utf8_with_cursor ... ok
[INFO] [stdout] test tests::test_process_utf8_fields_for_line_1st_field_empty ... ok
[INFO] [stdout] test tests::test_str_to_ranged_pair_valid_inputs ... ok
[INFO] [stdout] test tests::test_extract_ranged_pairs_empty - should panic ... 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_str_to_ranged_pair_invalid_char - should panic ... ok
[INFO] [stdout] test tests::test_str_to_ranged_pair_no_range - should panic ... ok
[INFO] [stdout] test tests::test_str_to_ranged_pair_tab - 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_space - 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" "290ad13e8efbb285a82cf7a2c03f7adf4fde7151a2a03608e35f1053088fb6ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "290ad13e8efbb285a82cf7a2c03f7adf4fde7151a2a03608e35f1053088fb6ad", kill_on_drop: false }`
[INFO] [stdout] 290ad13e8efbb285a82cf7a2c03f7adf4fde7151a2a03608e35f1053088fb6ad