[INFO] cloning repository https://github.com/dora-gt/sc4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dora-gt/sc4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdora-gt%2Fsc4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdora-gt%2Fsc4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86acbf5950d1ecd4f06c8861d9c0bf40b3ff1205
[INFO] testing dora-gt/sc4 against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdora-gt%2Fsc4" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dora-gt/sc4 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dora-gt/sc4
[INFO] finished tweaking git repo https://github.com/dora-gt/sc4
[INFO] tweaked toml for git repo https://github.com/dora-gt/sc4 written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate git repo https://github.com/dora-gt/sc4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a3fc7c0097632468192317ba5ac9b168c38352e0c4facf2fbf3c8b7ac4aa5bd
[INFO] running `Command { std: "docker" "start" "-a" "9a3fc7c0097632468192317ba5ac9b168c38352e0c4facf2fbf3c8b7ac4aa5bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a3fc7c0097632468192317ba5ac9b168c38352e0c4facf2fbf3c8b7ac4aa5bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a3fc7c0097632468192317ba5ac9b168c38352e0c4facf2fbf3c8b7ac4aa5bd", kill_on_drop: false }`
[INFO] [stdout] 9a3fc7c0097632468192317ba5ac9b168c38352e0c4facf2fbf3c8b7ac4aa5bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e308c0de7d3b6e16053181b4c0e1223dc529c3ff5ac61f041f2b61491888568c
[INFO] running `Command { std: "docker" "start" "-a" "e308c0de7d3b6e16053181b4c0e1223dc529c3ff5ac61f041f2b61491888568c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling alfred v4.0.1
[INFO] [stderr]    Compiling sc4 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/main.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 |     static ref REGEX_SNAKE_CASE: Regex = { Regex::new("^[a-z]+((_[a-z]+)+$|$)").unwrap() };
[INFO] [stdout]    |                                          ^^                                             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 13 -     static ref REGEX_SNAKE_CASE: Regex = { Regex::new("^[a-z]+((_[a-z]+)+$|$)").unwrap() };
[INFO] [stdout] 13 +     static ref REGEX_SNAKE_CASE: Regex = Regex::new("^[a-z]+((_[a-z]+)+$|$)").unwrap();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/main.rs:14:42
[INFO] [stdout]    |
[INFO] [stdout] 14 |     static ref REGEX_CAMEL_CASE: Regex = { Regex::new("^([A-Z][a-z]*)+$").unwrap() };
[INFO] [stdout]    |                                          ^^                                       ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 14 -     static ref REGEX_CAMEL_CASE: Regex = { Regex::new("^([A-Z][a-z]*)+$").unwrap() };
[INFO] [stdout] 14 +     static ref REGEX_CAMEL_CASE: Regex = Regex::new("^([A-Z][a-z]*)+$").unwrap();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/main.rs:15:42
[INFO] [stdout]    |
[INFO] [stdout] 15 |     static ref REGEX_KEBAB_CASE: Regex = { Regex::new("^[a-z]+((-[a-z]+)+$|$)").unwrap() };
[INFO] [stdout]    |                                          ^^                                             ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 15 -     static ref REGEX_KEBAB_CASE: Regex = { Regex::new("^[a-z]+((-[a-z]+)+$|$)").unwrap() };
[INFO] [stdout] 15 +     static ref REGEX_KEBAB_CASE: Regex = Regex::new("^[a-z]+((-[a-z]+)+$|$)").unwrap();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/main.rs:16:53
[INFO] [stdout]    |
[INFO] [stdout] 16 |     static ref REGEX_CAMEL_CASE_BREAK_DOWN: Regex = { Regex::new("[A-Z][a-z]*").unwrap() };
[INFO] [stdout]    |                                                     ^^                                  ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 16 -     static ref REGEX_CAMEL_CASE_BREAK_DOWN: Regex = { Regex::new("[A-Z][a-z]*").unwrap() };
[INFO] [stdout] 16 +     static ref REGEX_CAMEL_CASE_BREAK_DOWN: Regex = Regex::new("[A-Z][a-z]*").unwrap();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.94s
[INFO] running `Command { std: "docker" "inspect" "e308c0de7d3b6e16053181b4c0e1223dc529c3ff5ac61f041f2b61491888568c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e308c0de7d3b6e16053181b4c0e1223dc529c3ff5ac61f041f2b61491888568c", kill_on_drop: false }`
[INFO] [stdout] e308c0de7d3b6e16053181b4c0e1223dc529c3ff5ac61f041f2b61491888568c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6abf916f77e553ac23ceed51c18d814ca91b86374374fb347fd7d3e5a39098b0
[INFO] running `Command { std: "docker" "start" "-a" "6abf916f77e553ac23ceed51c18d814ca91b86374374fb347fd7d3e5a39098b0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sc4 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/main.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 |     static ref REGEX_SNAKE_CASE: Regex = { Regex::new("^[a-z]+((_[a-z]+)+$|$)").unwrap() };
[INFO] [stdout]    |                                          ^^                                             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 13 -     static ref REGEX_SNAKE_CASE: Regex = { Regex::new("^[a-z]+((_[a-z]+)+$|$)").unwrap() };
[INFO] [stdout] 13 +     static ref REGEX_SNAKE_CASE: Regex = Regex::new("^[a-z]+((_[a-z]+)+$|$)").unwrap();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/main.rs:14:42
[INFO] [stdout]    |
[INFO] [stdout] 14 |     static ref REGEX_CAMEL_CASE: Regex = { Regex::new("^([A-Z][a-z]*)+$").unwrap() };
[INFO] [stdout]    |                                          ^^                                       ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 14 -     static ref REGEX_CAMEL_CASE: Regex = { Regex::new("^([A-Z][a-z]*)+$").unwrap() };
[INFO] [stdout] 14 +     static ref REGEX_CAMEL_CASE: Regex = Regex::new("^([A-Z][a-z]*)+$").unwrap();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/main.rs:15:42
[INFO] [stdout]    |
[INFO] [stdout] 15 |     static ref REGEX_KEBAB_CASE: Regex = { Regex::new("^[a-z]+((-[a-z]+)+$|$)").unwrap() };
[INFO] [stdout]    |                                          ^^                                             ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 15 -     static ref REGEX_KEBAB_CASE: Regex = { Regex::new("^[a-z]+((-[a-z]+)+$|$)").unwrap() };
[INFO] [stdout] 15 +     static ref REGEX_KEBAB_CASE: Regex = Regex::new("^[a-z]+((-[a-z]+)+$|$)").unwrap();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/main.rs:16:53
[INFO] [stdout]    |
[INFO] [stdout] 16 |     static ref REGEX_CAMEL_CASE_BREAK_DOWN: Regex = { Regex::new("[A-Z][a-z]*").unwrap() };
[INFO] [stdout]    |                                                     ^^                                  ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 16 -     static ref REGEX_CAMEL_CASE_BREAK_DOWN: Regex = { Regex::new("[A-Z][a-z]*").unwrap() };
[INFO] [stdout] 16 +     static ref REGEX_CAMEL_CASE_BREAK_DOWN: Regex = Regex::new("[A-Z][a-z]*").unwrap();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "6abf916f77e553ac23ceed51c18d814ca91b86374374fb347fd7d3e5a39098b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6abf916f77e553ac23ceed51c18d814ca91b86374374fb347fd7d3e5a39098b0", kill_on_drop: false }`
[INFO] [stdout] 6abf916f77e553ac23ceed51c18d814ca91b86374374fb347fd7d3e5a39098b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb68e8e57753367717d4d3ae2a811f16228ceb701dccc4cf31141367d51e9dad
[INFO] running `Command { std: "docker" "start" "-a" "eb68e8e57753367717d4d3ae2a811f16228ceb701dccc4cf31141367d51e9dad", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/main.rs:13:42
[INFO] [stderr]    |
[INFO] [stderr] 13 |     static ref REGEX_SNAKE_CASE: Regex = { Regex::new("^[a-z]+((_[a-z]+)+$|$)").unwrap() };
[INFO] [stderr]    |                                          ^^                                             ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 13 -     static ref REGEX_SNAKE_CASE: Regex = { Regex::new("^[a-z]+((_[a-z]+)+$|$)").unwrap() };
[INFO] [stderr] 13 +     static ref REGEX_SNAKE_CASE: Regex = Regex::new("^[a-z]+((_[a-z]+)+$|$)").unwrap();
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/main.rs:14:42
[INFO] [stderr]    |
[INFO] [stderr] 14 |     static ref REGEX_CAMEL_CASE: Regex = { Regex::new("^([A-Z][a-z]*)+$").unwrap() };
[INFO] [stderr]    |                                          ^^                                       ^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 14 -     static ref REGEX_CAMEL_CASE: Regex = { Regex::new("^([A-Z][a-z]*)+$").unwrap() };
[INFO] [stderr] 14 +     static ref REGEX_CAMEL_CASE: Regex = Regex::new("^([A-Z][a-z]*)+$").unwrap();
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/main.rs:15:42
[INFO] [stderr]    |
[INFO] [stderr] 15 |     static ref REGEX_KEBAB_CASE: Regex = { Regex::new("^[a-z]+((-[a-z]+)+$|$)").unwrap() };
[INFO] [stderr]    |                                          ^^                                             ^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 15 -     static ref REGEX_KEBAB_CASE: Regex = { Regex::new("^[a-z]+((-[a-z]+)+$|$)").unwrap() };
[INFO] [stderr] 15 +     static ref REGEX_KEBAB_CASE: Regex = Regex::new("^[a-z]+((-[a-z]+)+$|$)").unwrap();
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/main.rs:16:53
[INFO] [stderr]    |
[INFO] [stderr] 16 |     static ref REGEX_CAMEL_CASE_BREAK_DOWN: Regex = { Regex::new("[A-Z][a-z]*").unwrap() };
[INFO] [stderr]    |                                                     ^^                                  ^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 16 -     static ref REGEX_CAMEL_CASE_BREAK_DOWN: Regex = { Regex::new("[A-Z][a-z]*").unwrap() };
[INFO] [stderr] 16 +     static ref REGEX_CAMEL_CASE_BREAK_DOWN: Regex = Regex::new("[A-Z][a-z]*").unwrap();
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `sc4` (bin "sc4" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sc4-7ba7981d40038bc3)
[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] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eb68e8e57753367717d4d3ae2a811f16228ceb701dccc4cf31141367d51e9dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb68e8e57753367717d4d3ae2a811f16228ceb701dccc4cf31141367d51e9dad", kill_on_drop: false }`
[INFO] [stdout] eb68e8e57753367717d4d3ae2a811f16228ceb701dccc4cf31141367d51e9dad