[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] 5f679962f4037d56f34ab6ec4ecb69666a86bfb3
[INFO] checking A4-Tacks/mtsyntax-plus against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FA4-Tacks%2Fmtsyntax-plus" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/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-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/A4-Tacks/mtsyntax-plus on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc3bc217a5d6d9e4ef8683a8712aded3a62da8cdc102602e5f6a7b6cbc4bce3a
[INFO] running `Command { std: "docker" "start" "-a" "bc3bc217a5d6d9e4ef8683a8712aded3a62da8cdc102602e5f6a7b6cbc4bce3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc3bc217a5d6d9e4ef8683a8712aded3a62da8cdc102602e5f6a7b6cbc4bce3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc3bc217a5d6d9e4ef8683a8712aded3a62da8cdc102602e5f6a7b6cbc4bce3a", kill_on_drop: false }`
[INFO] [stdout] bc3bc217a5d6d9e4ef8683a8712aded3a62da8cdc102602e5f6a7b6cbc4bce3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e7c7efbc6279745aa2b60b8e2f79a2bf751ad79d49c7b321b8710fa28fe0640
[INFO] running `Command { std: "docker" "start" "-a" "5e7c7efbc6279745aa2b60b8e2f79a2bf751ad79d49c7b321b8710fa28fe0640", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking unicode-width v0.2.1
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling peg-runtime v0.8.5
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking line-column v0.1.6
[INFO] [stderr]     Checking dissimilar v1.0.10
[INFO] [stderr]     Checking getopts v0.2.23
[INFO] [stderr]     Checking getopts-macro v0.1.8
[INFO] [stderr]    Compiling char-classes-proc_macro v0.2.1
[INFO] [stderr]     Checking char-classes v0.3.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling peg-macros v0.8.5
[INFO] [stderr]     Checking peg v0.8.5
[INFO] [stderr]     Checking mtsyntax-plus v0.2.22 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:568:17
[INFO] [stdout]     |
[INFO] [stdout] 568 |     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] 568 |     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:568:17
[INFO] [stdout]     |
[INFO] [stdout] 568 |     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] 568 |     fn get_rule(&self, name: &str) -> Result<&RuleData<'_>> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.66s
[INFO] running `Command { std: "docker" "inspect" "5e7c7efbc6279745aa2b60b8e2f79a2bf751ad79d49c7b321b8710fa28fe0640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e7c7efbc6279745aa2b60b8e2f79a2bf751ad79d49c7b321b8710fa28fe0640", kill_on_drop: false }`
[INFO] [stdout] 5e7c7efbc6279745aa2b60b8e2f79a2bf751ad79d49c7b321b8710fa28fe0640
