[INFO] cloning repository https://github.com/JosephLing/rubyToSwaggerDocs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JosephLing/rubyToSwaggerDocs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephLing%2FrubyToSwaggerDocs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephLing%2FrubyToSwaggerDocs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f242185d1345e7c8bb0e220626d746077add15d3
[INFO] checking JosephLing/rubyToSwaggerDocs against master#c5af0610196bc39c44e54f1e08bd9149bdc66929 for pr-118120
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephLing%2FrubyToSwaggerDocs" "/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/JosephLing/rubyToSwaggerDocs on toolchain c5af0610196bc39c44e54f1e08bd9149bdc66929
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c5af0610196bc39c44e54f1e08bd9149bdc66929" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JosephLing/rubyToSwaggerDocs
[INFO] finished tweaking git repo https://github.com/JosephLing/rubyToSwaggerDocs
[INFO] tweaked toml for git repo https://github.com/JosephLing/rubyToSwaggerDocs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JosephLing/rubyToSwaggerDocs 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" "+c5af0610196bc39c44e54f1e08bd9149bdc66929" "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 JosephLing/rubyToSwaggerDocs against try#a832c07a2bcc7587230eb0706f83d1d602ae5c2b for pr-118120
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephLing%2FrubyToSwaggerDocs" "/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/JosephLing/rubyToSwaggerDocs on toolchain a832c07a2bcc7587230eb0706f83d1d602ae5c2b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a832c07a2bcc7587230eb0706f83d1d602ae5c2b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JosephLing/rubyToSwaggerDocs
[INFO] finished tweaking git repo https://github.com/JosephLing/rubyToSwaggerDocs
[INFO] tweaked toml for git repo https://github.com/JosephLing/rubyToSwaggerDocs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JosephLing/rubyToSwaggerDocs 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" "+a832c07a2bcc7587230eb0706f83d1d602ae5c2b" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argh_derive v0.1.4
[INFO] [stderr]   Downloaded argh_shared v0.1.4
[INFO] [stderr]   Downloaded lib-ruby-parser v3.0.0
[INFO] [stderr]   Downloaded argh v0.1.4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+a832c07a2bcc7587230eb0706f83d1d602ae5c2b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef6fdff2faf01acba3d5fc2909a1954991b1b002d80fd017d56c8b49ba5b1e1e
[INFO] running `Command { std: "docker" "start" "-a" "ef6fdff2faf01acba3d5fc2909a1954991b1b002d80fd017d56c8b49ba5b1e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef6fdff2faf01acba3d5fc2909a1954991b1b002d80fd017d56c8b49ba5b1e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef6fdff2faf01acba3d5fc2909a1954991b1b002d80fd017d56c8b49ba5b1e1e", kill_on_drop: false }`
[INFO] [stdout] ef6fdff2faf01acba3d5fc2909a1954991b1b002d80fd017d56c8b49ba5b1e1e
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+a832c07a2bcc7587230eb0706f83d1d602ae5c2b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 733868f66f896836f31bfa78d4b8a5b4a2eca56ca4acda3caa583f7b5c713e0c
[INFO] running `Command { std: "docker" "start" "-a" "733868f66f896836f31bfa78d4b8a5b4a2eca56ca4acda3caa583f7b5c713e0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking lib-ruby-parser v3.0.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]     Checking argh v0.1.4
[INFO] [stderr]     Checking rts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `files`
[INFO] [stdout]   --> src/parser_parser.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn parse(file: RubyFile, files: &Vec<RubyFile>) -> Result<RubyFile, String> {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_files`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `files`
[INFO] [stdout]   --> src/parser_parser.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn parse(file: RubyFile, files: &Vec<RubyFile>) -> Result<RubyFile, String> {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_files`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]   --> src/parser_parser.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn parse(file: RubyFile, files: &Vec<RubyFile>) -> Result<RubyFile, String> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/routes.rs:24:62
[INFO] [stdout]    |
[INFO] [stdout] 24 |             _ => Err(format!("unknown Request method '{}'", s.clone()))?,
[INFO] [stdout]    |                                                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/routes.rs:24:62
[INFO] [stdout]    |
[INFO] [stdout] 24 |             _ => Err(format!("unknown Request method '{}'", s.clone()))?,
[INFO] [stdout]    |                                                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.65s
[INFO] running `Command { std: "docker" "inspect" "733868f66f896836f31bfa78d4b8a5b4a2eca56ca4acda3caa583f7b5c713e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "733868f66f896836f31bfa78d4b8a5b4a2eca56ca4acda3caa583f7b5c713e0c", kill_on_drop: false }`
[INFO] [stdout] 733868f66f896836f31bfa78d4b8a5b4a2eca56ca4acda3caa583f7b5c713e0c