[INFO] fetching crate lrc 0.1.0...
[INFO] checking lrc-0.1.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate lrc 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate lrc 0.1.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lrc 0.1.0
[INFO] finished tweaking crates.io crate lrc 0.1.0
[INFO] tweaked toml for crates.io crate lrc 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08dfac6e914866f3785baffaca5feddaa7d77fc3213c0e054fabb90c9dea45ea
[INFO] running `"docker" "start" "-a" "08dfac6e914866f3785baffaca5feddaa7d77fc3213c0e054fabb90c9dea45ea"`
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling educe v0.4.2
[INFO] [stderr]     Checking lrc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/tags/id_tag.rs:13:37
[INFO] [stderr]    |
[INFO] [stderr] 13 |     static ref ID_LABEL_RE: Regex = { Regex::new("^[^\x00-\x08\x0A-\x1F\x7F\\[\\]:]+$").unwrap() };
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/tags/id_tag.rs:14:36
[INFO] [stderr]    |
[INFO] [stderr] 14 |     static ref ID_TEXT_RE: Regex = { Regex::new("^[^\x00-\x08\x0A-\x1F\x7F\\[\\]]*$").unwrap() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/timestamp.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         { Regex::new(r"^(-)?(\d{1,10}):(-)?(\d{1,2})(\.(-)?(\d{1,2}))?$").unwrap() };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/lib.rs:74:35
[INFO] [stderr]    |
[INFO] [stderr] 74 |     static ref LYRICS_RE: Regex = { Regex::new("^[^\x00-\x08\x0A-\x1F\x7F]*$").unwrap() };
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/lib.rs:75:32
[INFO] [stderr]    |
[INFO] [stderr] 75 |     static ref TAG_RE: Regex = { Regex::new(r"\[.*:.*\]").unwrap() };
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/tags/id_tag.rs:13:37
[INFO] [stderr]    |
[INFO] [stderr] 13 |     static ref ID_LABEL_RE: Regex = { Regex::new("^[^\x00-\x08\x0A-\x1F\x7F\\[\\]:]+$").unwrap() };
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/tags/id_tag.rs:14:36
[INFO] [stderr]    |
[INFO] [stderr] 14 |     static ref ID_TEXT_RE: Regex = { Regex::new("^[^\x00-\x08\x0A-\x1F\x7F\\[\\]]*$").unwrap() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/timestamp.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         { Regex::new(r"^(-)?(\d{1,10}):(-)?(\d{1,2})(\.(-)?(\d{1,2}))?$").unwrap() };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/lib.rs:74:35
[INFO] [stderr]    |
[INFO] [stderr] 74 |     static ref LYRICS_RE: Regex = { Regex::new("^[^\x00-\x08\x0A-\x1F\x7F]*$").unwrap() };
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/lib.rs:75:32
[INFO] [stderr]    |
[INFO] [stderr] 75 |     static ref TAG_RE: Regex = { Regex::new(r"\[.*:.*\]").unwrap() };
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.05s
[INFO] running `"docker" "inspect" "08dfac6e914866f3785baffaca5feddaa7d77fc3213c0e054fabb90c9dea45ea"`
[INFO] running `"docker" "rm" "-f" "08dfac6e914866f3785baffaca5feddaa7d77fc3213c0e054fabb90c9dea45ea"`
[INFO] [stdout] 08dfac6e914866f3785baffaca5feddaa7d77fc3213c0e054fabb90c9dea45ea