[INFO] fetching crate regex-automata 0.1.9...
[INFO] testing regex-automata-0.1.9 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate regex-automata 0.1.9 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate regex-automata 0.1.9 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate regex-automata 0.1.9
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate regex-automata 0.1.9
[INFO] tweaked toml for crates.io crate regex-automata 0.1.9 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_bytes v0.11.5
[INFO] [stderr]   Downloaded toml v0.4.10
[INFO] [stderr]   Downloaded bstr v0.2.16
[INFO] [stderr]   Downloaded fst v0.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] 94746c64f4d19a0c42d68d0e7c02b9f5ae96988ea614d322ef41840497d49b08
[INFO] running `Command { std: "docker" "start" "-a" "94746c64f4d19a0c42d68d0e7c02b9f5ae96988ea614d322ef41840497d49b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94746c64f4d19a0c42d68d0e7c02b9f5ae96988ea614d322ef41840497d49b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94746c64f4d19a0c42d68d0e7c02b9f5ae96988ea614d322ef41840497d49b08", kill_on_drop: false }`
[INFO] [stdout] 94746c64f4d19a0c42d68d0e7c02b9f5ae96988ea614d322ef41840497d49b08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf25ed7cf1671d7c2be3560b939f63ca70b9b49a7e61e7298857d7c90c08b7ed
[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" "bf25ed7cf1671d7c2be3560b939f63ca70b9b49a7e61e7298857d7c90c08b7ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling regex-automata v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/determinize.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             mem::replace(&mut self.scratch_nfa_states, state.nfa_states);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 6.60s
[INFO] running `Command { std: "docker" "inspect" "bf25ed7cf1671d7c2be3560b939f63ca70b9b49a7e61e7298857d7c90c08b7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf25ed7cf1671d7c2be3560b939f63ca70b9b49a7e61e7298857d7c90c08b7ed", kill_on_drop: false }`
[INFO] [stdout] bf25ed7cf1671d7c2be3560b939f63ca70b9b49a7e61e7298857d7c90c08b7ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 004c420094ff7ab6841fcf875e9a0aaeb3d5a957fc5ff1cba17016451a109d9f
[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" "004c420094ff7ab6841fcf875e9a0aaeb3d5a957fc5ff1cba17016451a109d9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/determinize.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             mem::replace(&mut self.scratch_nfa_states, state.nfa_states);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling regex-automata v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/determinize.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             mem::replace(&mut self.scratch_nfa_states, state.nfa_states);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 37.66s
[INFO] running `Command { std: "docker" "inspect" "004c420094ff7ab6841fcf875e9a0aaeb3d5a957fc5ff1cba17016451a109d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004c420094ff7ab6841fcf875e9a0aaeb3d5a957fc5ff1cba17016451a109d9f", kill_on_drop: false }`
[INFO] [stdout] 004c420094ff7ab6841fcf875e9a0aaeb3d5a957fc5ff1cba17016451a109d9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", 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] ed7bc3544f5ef093079e28c3fe1d1af9957934e250271da93f3433d7ed268e86
[INFO] running `Command { std: "docker" "start" "-a" "ed7bc3544f5ef093079e28c3fe1d1af9957934e250271da93f3433d7ed268e86", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/determinize.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |             mem::replace(&mut self.scratch_nfa_states, state.nfa_states);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/determinize.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |             mem::replace(&mut self.scratch_nfa_states, state.nfa_states);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/regex_automata-c9843ba0960f52c5)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test classes::tests::byte_classes ... ok
[INFO] [stdout] test nfa::compiler::tests::compile_alternation ... ok
[INFO] [stdout] test classes::tests::full_byte_classes ... ok
[INFO] [stdout] test nfa::compiler::tests::compile_class ... ok
[INFO] [stdout] test nfa::compiler::tests::compile_literal ... ok
[INFO] [stdout] test nfa::compiler::tests::compile_repetition ... ok
[INFO] [stdout] test nfa::compiler::tests::compile_unanchored_prefix ... ok
[INFO] [stdout] test nfa::compiler::tests::errors ... ok
[INFO] [stdout] test nfa::range_trie::tests::no_splits ... ok
[INFO] [stdout] test nfa::range_trie::tests::splits ... ok
[INFO] [stdout] test nfa::tests::always_match ... ok
[INFO] [stdout] test nfa::tests::never_match ... ok
[INFO] [stdout] test nfa::compiler::tests::compile_empty ... ok
[INFO] [stdout] test dense_imp::tests::errors_when_premultiply_would_overflow ... ok
[INFO] [stdout] test nfa::compiler::tests::compile_group ... ok
[INFO] [stdout] test dense_imp::tests::errors_when_converting_to_smaller_dfa ... ok
[INFO] [stdout] test dense_imp::tests::errors_when_determinization_would_overflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/default-0e086ab4f60666cb)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test regression::minimize_sets_correct_match_states ... ok
[INFO] [stdout] test suite::serialization_roundtrip ... ok
[INFO] [stdout] test suite::unminimized_premultiply ... ok
[INFO] [stdout] test suite::sparse_unminimized_standard ... ok
[INFO] [stdout] test suite::sparse_serialization_roundtrip ... ok
[INFO] [stdout] test suite::unminimized_premultiply_byte_class ... ok
[INFO] [stdout] test suite::unminimized_byte_class ... ok
[INFO] [stdout] test suite::unminimized_standard_no_nfa_shrink ... ok
[INFO] [stdout] test suite::unminimized_standard ... ok
[INFO] [stdout] test suite::u16 ... ok
[INFO] [stdout] test suite::minimized_premultiply_byte_class ... ok
[INFO] [stdout] test suite::minimized_byte_class ... ok
[INFO] [stdout] test suite::minimized_premultiply ... ok
[INFO] [stdout] test suite::sparse_u16 ... ok
[INFO] [stdout] test suite::minimized_standard_no_nfa_shrink ... ok
[INFO] [stdout] test suite::minimized_standard ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 21.88s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests regex-automata
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name regex_automata --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bstr=/opt/rustwide/target/debug/deps/libbstr-2e333e466035b582.rlib --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-6f9ad8fe47af91d8.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-9060f0a2c4c6e5e8.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-014e4fba4967404e.rlib --extern regex_automata=/opt/rustwide/target/debug/deps/libregex_automata-6771a86bb74e221b.rlib --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-c9fbd477f9c1582f.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-6e0f9dcf4a61cd6c.rlib --extern serde_bytes=/opt/rustwide/target/debug/deps/libserde_bytes-07cb423d830aa992.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-9a0b5b6d517518ab.so --extern toml=/opt/rustwide/target/debug/deps/libtoml-8caf00c22196d16e.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="regex-syntax"' --cfg 'feature="std"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "ed7bc3544f5ef093079e28c3fe1d1af9957934e250271da93f3433d7ed268e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed7bc3544f5ef093079e28c3fe1d1af9957934e250271da93f3433d7ed268e86", kill_on_drop: false }`
[INFO] [stdout] ed7bc3544f5ef093079e28c3fe1d1af9957934e250271da93f3433d7ed268e86