[INFO] cloning repository https://github.com/A4-Tacks/mtsyntax-plus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/A4-Tacks/mtsyntax-plus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FA4-Tacks%2Fmtsyntax-plus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FA4-Tacks%2Fmtsyntax-plus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bc10fb8a7281940011dd0db29aba98ccfdee94d
[INFO] checking A4-Tacks/mtsyntax-plus against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FA4-Tacks%2Fmtsyntax-plus" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/A4-Tacks/mtsyntax-plus
[INFO] finished tweaking git repo https://github.com/A4-Tacks/mtsyntax-plus
[INFO] tweaked toml for git repo https://github.com/A4-Tacks/mtsyntax-plus written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/A4-Tacks/mtsyntax-plus on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/A4-Tacks/mtsyntax-plus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded char-classes v0.3.1
[INFO] [stderr]   Downloaded peg-macros v0.8.5
[INFO] [stderr]   Downloaded char-classes-proc_macro v0.2.1
[INFO] [stderr]   Downloaded peg v0.8.5
[INFO] [stderr]   Downloaded line-column v0.1.3
[INFO] [stderr]   Downloaded peg-runtime v0.8.5
[INFO] [stderr]   Downloaded getopts-macro v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ea2568c9302f3db614671661848de874ca2571a5a901632d4d426e013ef0715
[INFO] running `Command { std: "docker" "start" "-a" "7ea2568c9302f3db614671661848de874ca2571a5a901632d4d426e013ef0715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ea2568c9302f3db614671661848de874ca2571a5a901632d4d426e013ef0715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea2568c9302f3db614671661848de874ca2571a5a901632d4d426e013ef0715", kill_on_drop: false }`
[INFO] [stdout] 7ea2568c9302f3db614671661848de874ca2571a5a901632d4d426e013ef0715
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab7443734dc6124367719dab6dabe7727e658afdbeb708cea81953d59aae65b3
[INFO] running `Command { std: "docker" "start" "-a" "ab7443734dc6124367719dab6dabe7727e658afdbeb708cea81953d59aae65b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling peg-runtime v0.8.5
[INFO] [stderr]     Checking line-column v0.1.3
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling char-classes-proc_macro v0.2.1
[INFO] [stderr]     Checking getopts-macro v0.1.2
[INFO] [stderr]     Checking char-classes v0.3.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling peg-macros v0.8.5
[INFO] [stderr]     Checking peg v0.8.5
[INFO] [stderr]     Checking mtsyntax-plus v0.2.21 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:532:17
[INFO] [stdout]     |
[INFO] [stdout] 532 |     fn get_rule(&self, name: &str) -> Result<&RuleData> {
[INFO] [stdout]     |                 ^^^^^                        ---------
[INFO] [stdout]     |                 |                            ||
[INFO] [stdout]     |                 |                            |the lifetimes get resolved as `'_`
[INFO] [stdout]     |                 |                            the lifetimes get resolved as `'_`
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 532 |     fn get_rule(&self, name: &str) -> Result<&RuleData<'_>> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:532:17
[INFO] [stdout]     |
[INFO] [stdout] 532 |     fn get_rule(&self, name: &str) -> Result<&RuleData> {
[INFO] [stdout]     |                 ^^^^^                        ---------
[INFO] [stdout]     |                 |                            ||
[INFO] [stdout]     |                 |                            |the lifetimes get resolved as `'_`
[INFO] [stdout]     |                 |                            the lifetimes get resolved as `'_`
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 532 |     fn get_rule(&self, name: &str) -> Result<&RuleData<'_>> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.65s
[INFO] running `Command { std: "docker" "inspect" "ab7443734dc6124367719dab6dabe7727e658afdbeb708cea81953d59aae65b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab7443734dc6124367719dab6dabe7727e658afdbeb708cea81953d59aae65b3", kill_on_drop: false }`
[INFO] [stdout] ab7443734dc6124367719dab6dabe7727e658afdbeb708cea81953d59aae65b3
