[INFO] cloning repository https://github.com/falehalnayef/grep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/falehalnayef/grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffalehalnayef%2Fgrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffalehalnayef%2Fgrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2126fdbb66b2214d547887e4c0493b7eb8f04633
[INFO] checking falehalnayef/grep against try#afeffcd090fe6cee35c99f8b5539d74aa443fe34 for pr-140956
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffalehalnayef%2Fgrep" "/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/falehalnayef/grep
[INFO] finished tweaking git repo https://github.com/falehalnayef/grep
[INFO] tweaked toml for git repo https://github.com/falehalnayef/grep written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/falehalnayef/grep on toolchain afeffcd090fe6cee35c99f8b5539d74aa443fe34
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/falehalnayef/grep 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" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking falehalnayef/grep against try#afeffcd090fe6cee35c99f8b5539d74aa443fe34 for pr-140956
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffalehalnayef%2Fgrep" "/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/falehalnayef/grep
[INFO] finished tweaking git repo https://github.com/falehalnayef/grep
[INFO] tweaked toml for git repo https://github.com/falehalnayef/grep written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/falehalnayef/grep on toolchain afeffcd090fe6cee35c99f8b5539d74aa443fe34
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/falehalnayef/grep 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" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f68978006ba55dfca856a6717b27082f5c0f83162627bd722b7a5faeb17b4fd
[INFO] running `Command { std: "docker" "start" "-a" "3f68978006ba55dfca856a6717b27082f5c0f83162627bd722b7a5faeb17b4fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f68978006ba55dfca856a6717b27082f5c0f83162627bd722b7a5faeb17b4fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f68978006ba55dfca856a6717b27082f5c0f83162627bd722b7a5faeb17b4fd", kill_on_drop: false }`
[INFO] [stdout] 3f68978006ba55dfca856a6717b27082f5c0f83162627bd722b7a5faeb17b4fd
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34ff413bceb6ed41c04166e1ac704e9dc1d0204a31b4960d625d50d846919963
[INFO] running `Command { std: "docker" "start" "-a" "34ff413bceb6ed41c04166e1ac704e9dc1d0204a31b4960d625d50d846919963", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking colored v2.2.0
[INFO] [stderr]     Checking grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `boolRes`
[INFO] [stdout]   --> src/grep/mod.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let (boolRes, strRes) = matcher.match_tokens(&self.data);
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_boolRes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `boolRes` should have a snake case name
[INFO] [stdout]   --> src/grep/mod.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let (boolRes, strRes) = matcher.match_tokens(&self.data);
[INFO] [stdout]    |              ^^^^^^^ help: convert the identifier to snake case: `bool_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `strRes` should have a snake case name
[INFO] [stdout]   --> src/grep/mod.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let (boolRes, strRes) = matcher.match_tokens(&self.data);
[INFO] [stdout]    |                       ^^^^^^ help: convert the identifier to snake case: `str_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `boolRes`
[INFO] [stdout]   --> src/grep/mod.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let (boolRes, strRes) = matcher.match_tokens(&self.data);
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_boolRes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `boolRes` should have a snake case name
[INFO] [stdout]   --> src/grep/mod.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let (boolRes, strRes) = matcher.match_tokens(&self.data);
[INFO] [stdout]    |              ^^^^^^^ help: convert the identifier to snake case: `bool_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `strRes` should have a snake case name
[INFO] [stdout]   --> src/grep/mod.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let (boolRes, strRes) = matcher.match_tokens(&self.data);
[INFO] [stdout]    |                       ^^^^^^ help: convert the identifier to snake case: `str_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "34ff413bceb6ed41c04166e1ac704e9dc1d0204a31b4960d625d50d846919963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ff413bceb6ed41c04166e1ac704e9dc1d0204a31b4960d625d50d846919963", kill_on_drop: false }`
[INFO] [stdout] 34ff413bceb6ed41c04166e1ac704e9dc1d0204a31b4960d625d50d846919963