[INFO] crate lrc 0.1.0 is already in cache
[INFO] testing lrc-0.1.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate lrc 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate lrc 0.1.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 23c565c0835c2bda33e9a8c47076105f41e3340c93a772eeae9e8b915118a96c
[INFO] running `"docker" "start" "-a" "23c565c0835c2bda33e9a8c47076105f41e3340c93a772eeae9e8b915118a96c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling educe v0.4.2
[INFO] [stderr]    Compiling 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: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `"docker" "inspect" "23c565c0835c2bda33e9a8c47076105f41e3340c93a772eeae9e8b915118a96c"`
[INFO] running `"docker" "rm" "-f" "23c565c0835c2bda33e9a8c47076105f41e3340c93a772eeae9e8b915118a96c"`
[INFO] [stdout] 23c565c0835c2bda33e9a8c47076105f41e3340c93a772eeae9e8b915118a96c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4d31102c414333ca1be18da15ef7c8a246e13d45edf83fe2efde8cbe2ef90400
[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" "4d31102c414333ca1be18da15ef7c8a246e13d45edf83fe2efde8cbe2ef90400"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling 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: 5 warnings emitted
[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]     Finished test [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `"docker" "inspect" "4d31102c414333ca1be18da15ef7c8a246e13d45edf83fe2efde8cbe2ef90400"`
[INFO] running `"docker" "rm" "-f" "4d31102c414333ca1be18da15ef7c8a246e13d45edf83fe2efde8cbe2ef90400"`
[INFO] [stdout] 4d31102c414333ca1be18da15ef7c8a246e13d45edf83fe2efde8cbe2ef90400
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 78a1a94dd0b3d622718fc178cfd303a21f13b47456165870e75520ed723ed771
[INFO] running `"docker" "start" "-a" "78a1a94dd0b3d622718fc178cfd303a21f13b47456165870e75520ed723ed771"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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: 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]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lrc-da7a84e6c16c6329
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test timestamp::test::negative_timestamp ... ok
[INFO] [stdout] test timestamp::test::timestamp ... ok
[INFO] [stdout] test timestamp::test::parse_errors ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-d53f4b5169f3bdbc
[INFO] [stdout] test timestamp::test::parse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test find_timestamp ... ok
[INFO] [stdout] test create ... ok
[INFO] [stdout] test parse ... ok
[INFO] [stdout] test incorrect_positioned_tag ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lrc
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 7) ... ok
[INFO] [stdout] test src/lib.rs -  (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "78a1a94dd0b3d622718fc178cfd303a21f13b47456165870e75520ed723ed771"`
[INFO] running `"docker" "rm" "-f" "78a1a94dd0b3d622718fc178cfd303a21f13b47456165870e75520ed723ed771"`
[INFO] [stdout] 78a1a94dd0b3d622718fc178cfd303a21f13b47456165870e75520ed723ed771