[INFO] crate regex-automata 0.1.9 is already in cache
[INFO] checking regex-automata-0.1.9 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate regex-automata 0.1.9 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate regex-automata 0.1.9 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3c645ed97a162d681cf5000d4fa72c444b278f25828a55c60e824e0434e7f7ce
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "3c645ed97a162d681cf5000d4fa72c444b278f25828a55c60e824e0434e7f7ce"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling serde v1.0.109
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking regex-automata v0.1.9 (/opt/rustwide/workdir)
[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]     Checking serde_bytes v0.11.4
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling serde_derive v1.0.109
[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 dev [optimized + debuginfo] target(s) in 2m 00s
[INFO] running `"docker" "inspect" "3c645ed97a162d681cf5000d4fa72c444b278f25828a55c60e824e0434e7f7ce"`
[INFO] running `"docker" "rm" "-f" "3c645ed97a162d681cf5000d4fa72c444b278f25828a55c60e824e0434e7f7ce"`
[INFO] [stdout] 3c645ed97a162d681cf5000d4fa72c444b278f25828a55c60e824e0434e7f7ce