[INFO] cloning repository https://github.com/Lightlyflow/gencpp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lightlyflow/gencpp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLightlyflow%2Fgencpp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLightlyflow%2Fgencpp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8dadb5c828318a856776fff88d65e369cc1c4bff
[INFO] checking Lightlyflow/gencpp against master#7c4ac0603e9ee5295bc802c90575391288a69a8a for pr-124728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLightlyflow%2Fgencpp" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lightlyflow/gencpp on toolchain 7c4ac0603e9ee5295bc802c90575391288a69a8a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lightlyflow/gencpp
[INFO] finished tweaking git repo https://github.com/Lightlyflow/gencpp
[INFO] tweaked toml for git repo https://github.com/Lightlyflow/gencpp written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Lightlyflow/gencpp 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" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking Lightlyflow/gencpp against try#98ebbae35138252af77610c20ea5a5e8bf68d639 for pr-124728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLightlyflow%2Fgencpp" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lightlyflow/gencpp on toolchain 98ebbae35138252af77610c20ea5a5e8bf68d639
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lightlyflow/gencpp
[INFO] finished tweaking git repo https://github.com/Lightlyflow/gencpp
[INFO] tweaked toml for git repo https://github.com/Lightlyflow/gencpp written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Lightlyflow/gencpp 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" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_derive v3.2.7
[INFO] [stderr]   Downloaded os_str_bytes v6.1.0
[INFO] [stderr]   Downloaded hashbrown v0.12.2
[INFO] [stderr]   Downloaded once_cell v1.13.0
[INFO] [stderr]   Downloaded clap v3.2.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49a0a28a2fc003f1fa11079a23ec4f9309ec2d9f807230ef9f0e18b3e592fee4
[INFO] running `Command { std: "docker" "start" "-a" "49a0a28a2fc003f1fa11079a23ec4f9309ec2d9f807230ef9f0e18b3e592fee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49a0a28a2fc003f1fa11079a23ec4f9309ec2d9f807230ef9f0e18b3e592fee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49a0a28a2fc003f1fa11079a23ec4f9309ec2d9f807230ef9f0e18b3e592fee4", kill_on_drop: false }`
[INFO] [stdout] 49a0a28a2fc003f1fa11079a23ec4f9309ec2d9f807230ef9f0e18b3e592fee4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e170c3ffa46c182740c542b0260f2b9cfe10851e8674eed5c57a3e62278d2e25
[INFO] running `Command { std: "docker" "start" "-a" "e170c3ffa46c182740c542b0260f2b9cfe10851e8674eed5c57a3e62278d2e25", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking hashbrown v0.12.2
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]     Checking clap v3.2.12
[INFO] [stderr]     Checking gencpp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 let mut file_header_content = CppFile::new(&self.project_name, self.mode);
[INFO] [stdout]    |                     ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 let mut file_header_content = CppFile::new(&self.project_name, self.mode);
[INFO] [stdout]    |                     ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 let mut file_content = CppFile::new(&self.project_name, self.mode);
[INFO] [stdout]    |                     ----^^^^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 let mut file_content = CppFile::new(&self.project_name, self.mode);
[INFO] [stdout]    |                     ----^^^^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "e170c3ffa46c182740c542b0260f2b9cfe10851e8674eed5c57a3e62278d2e25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e170c3ffa46c182740c542b0260f2b9cfe10851e8674eed5c57a3e62278d2e25", kill_on_drop: false }`
[INFO] [stdout] e170c3ffa46c182740c542b0260f2b9cfe10851e8674eed5c57a3e62278d2e25