[INFO] fetching crate dyck 0.1.0...
[INFO] testing dyck-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate dyck 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate dyck 0.1.0
[INFO] finished tweaking crates.io crate dyck 0.1.0
[INFO] tweaked toml for crates.io crate dyck 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dyck 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dyck-derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f001596627809e07dd39230d621e309d8c4e3ef7fc0a273d6e82c8f0285ea896
[INFO] running `Command { std: "docker" "start" "-a" "f001596627809e07dd39230d621e309d8c4e3ef7fc0a273d6e82c8f0285ea896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f001596627809e07dd39230d621e309d8c4e3ef7fc0a273d6e82c8f0285ea896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f001596627809e07dd39230d621e309d8c4e3ef7fc0a273d6e82c8f0285ea896", kill_on_drop: false }`
[INFO] [stdout] f001596627809e07dd39230d621e309d8c4e3ef7fc0a273d6e82c8f0285ea896
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 504a567b07020fa8872423ceffa347a3407289093574b4f7ea2cb159a2a1e886
[INFO] running `Command { std: "docker" "start" "-a" "504a567b07020fa8872423ceffa347a3407289093574b4f7ea2cb159a2a1e886", kill_on_drop: false }`
[INFO] [stderr]    Compiling dyck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "504a567b07020fa8872423ceffa347a3407289093574b4f7ea2cb159a2a1e886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "504a567b07020fa8872423ceffa347a3407289093574b4f7ea2cb159a2a1e886", kill_on_drop: false }`
[INFO] [stdout] 504a567b07020fa8872423ceffa347a3407289093574b4f7ea2cb159a2a1e886
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25b9d73fd240f80ae34c19891618631cc45ff8f84e9cd096870fdc66f1f6d154
[INFO] running `Command { std: "docker" "start" "-a" "25b9d73fd240f80ae34c19891618631cc45ff8f84e9cd096870fdc66f1f6d154", kill_on_drop: false }`
[INFO] [stderr]    Compiling dyck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "25b9d73fd240f80ae34c19891618631cc45ff8f84e9cd096870fdc66f1f6d154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b9d73fd240f80ae34c19891618631cc45ff8f84e9cd096870fdc66f1f6d154", kill_on_drop: false }`
[INFO] [stdout] 25b9d73fd240f80ae34c19891618631cc45ff8f84e9cd096870fdc66f1f6d154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7df4bbaacd66d48fc68b104934d1c309082d1551d91533d8e861826dfb316c1b
[INFO] running `Command { std: "docker" "start" "-a" "7df4bbaacd66d48fc68b104934d1c309082d1551d91533d8e861826dfb316c1b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dyck-a52e55e75a6d0bf6)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/core.rs (/opt/rustwide/target/debug/deps/core-9774a22065034047)
[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] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test core_tests::appending_corrects_sequence_with_multiple_unmatched_opens ... ok
[INFO] [stdout] test core_tests::appending_completes_sequence_needing_closures ... ok
[INFO] [stdout] test core_tests::appending_to_valid_sequence_returns_same_sequence ... ok
[INFO] [stdout] test core_tests::appending_error_for_leading_close_token ... ok
[INFO] [stdout] test core_tests::appending_to_empty_sequence_returns_empty ... ok
[INFO] [stdout] test core_tests::get_close ... ok
[INFO] [stdout] test core_tests::is_balanced ... ok
[INFO] [stdout] test core_tests::get_k_with_multiple_pairs ... ok
[INFO] [stdout] test core_tests::get_k_with_no_pairs ... ok
[INFO] [stdout] test core_tests::get_k_with_single_pair ... ok
[INFO] [stdout] test core_tests::get_open ... ok
[INFO] [stdout] test core_tests::is_close ... ok
[INFO] [stdout] test core_tests::is_open ... ok
[INFO] [stdout] test core_tests::is_valid ... ok
[INFO] [stdout] test core_tests::is_valid_empty_word ... ok
[INFO] [stdout] test core_tests::longest_valid_prefix_empty_word ... ok
[INFO] [stdout] test core_tests::longest_valid_prefix_incorrect_nesting ... ok
[INFO] [stdout] test core_tests::longest_valid_prefix_with_unmatched_open ... ok
[INFO] [stdout] test core_tests::new_from_arr_no_duplicates ... ok
[INFO] [stdout] test core_tests::new_from_vec_with_duplicate_opening_tokens ... ok
[INFO] [stdout] test core_tests::new_from_vec_with_duplicate_pairs ... ok
[INFO] [stdout] test core_tests::longest_valid_prefix ... ok
[INFO] [stdout] test core_tests::new_from_vec_no_duplicates ... ok
[INFO] [stdout] test core_tests::longest_valid_prefix_entire_word ... ok
[INFO] [stdout] test core_tests::new_from_vec_with_duplicate_closing_tokens ... ok
[INFO] [stdout] test core_tests::inverse_operations_get_open_get_close ... ok
[INFO] [stderr]      Running tests/enums.rs (/opt/rustwide/target/debug/deps/enums-f15515fc5502921d)
[INFO] [stdout] test core_tests::is_valid_incorrect_closing_order ... ok
[INFO] [stdout] test core_tests::longest_valid_prefix_with_unmatched_close ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[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] [stderr]    Doc-tests dyck
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7df4bbaacd66d48fc68b104934d1c309082d1551d91533d8e861826dfb316c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df4bbaacd66d48fc68b104934d1c309082d1551d91533d8e861826dfb316c1b", kill_on_drop: false }`
[INFO] [stdout] 7df4bbaacd66d48fc68b104934d1c309082d1551d91533d8e861826dfb316c1b