[INFO] cloning repository https://github.com/flexyuan/codecrafters-grep-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flexyuan/codecrafters-grep-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflexyuan%2Fcodecrafters-grep-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflexyuan%2Fcodecrafters-grep-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 216e85bfdedad1dee3e197643aa87b3b150e1902
[INFO] checking flexyuan/codecrafters-grep-rust/216e85bfdedad1dee3e197643aa87b3b150e1902 against try#6d565b71a096078f59574161a2a382ec4a1eb751 for pr-132325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflexyuan%2Fcodecrafters-grep-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flexyuan/codecrafters-grep-rust on toolchain 6d565b71a096078f59574161a2a382ec4a1eb751
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6d565b71a096078f59574161a2a382ec4a1eb751" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flexyuan/codecrafters-grep-rust
[INFO] finished tweaking git repo https://github.com/flexyuan/codecrafters-grep-rust
[INFO] tweaked toml for git repo https://github.com/flexyuan/codecrafters-grep-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/flexyuan/codecrafters-grep-rust 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" "+6d565b71a096078f59574161a2a382ec4a1eb751" "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 flexyuan/codecrafters-grep-rust/216e85bfdedad1dee3e197643aa87b3b150e1902 against try#6d565b71a096078f59574161a2a382ec4a1eb751 for pr-132325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflexyuan%2Fcodecrafters-grep-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flexyuan/codecrafters-grep-rust on toolchain 6d565b71a096078f59574161a2a382ec4a1eb751
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6d565b71a096078f59574161a2a382ec4a1eb751" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flexyuan/codecrafters-grep-rust
[INFO] finished tweaking git repo https://github.com/flexyuan/codecrafters-grep-rust
[INFO] tweaked toml for git repo https://github.com/flexyuan/codecrafters-grep-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/flexyuan/codecrafters-grep-rust 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" "+6d565b71a096078f59574161a2a382ec4a1eb751" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+6d565b71a096078f59574161a2a382ec4a1eb751" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bef3f8e17290f293ed83aafe4743fcc84996db4bcc1dcf4d67c4f6911f23979c
[INFO] running `Command { std: "docker" "start" "-a" "bef3f8e17290f293ed83aafe4743fcc84996db4bcc1dcf4d67c4f6911f23979c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bef3f8e17290f293ed83aafe4743fcc84996db4bcc1dcf4d67c4f6911f23979c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef3f8e17290f293ed83aafe4743fcc84996db4bcc1dcf4d67c4f6911f23979c", kill_on_drop: false }`
[INFO] [stdout] bef3f8e17290f293ed83aafe4743fcc84996db4bcc1dcf4d67c4f6911f23979c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+6d565b71a096078f59574161a2a382ec4a1eb751" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 010921e0324bf418544d0fee22593b1c2b7ff67633b0c001cd3ccb162bd5b1f4
[INFO] running `Command { std: "docker" "start" "-a" "010921e0324bf418544d0fee22593b1c2b7ff67633b0c001cd3ccb162bd5b1f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]     Checking grep-starter-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/main.rs:84:34
[INFO] [stdout]    |
[INFO] [stdout] 83 | impl<'a> PatternParser<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 84 |     fn new(input: &'a [char]) -> PatternParser {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/main.rs:84:34
[INFO] [stdout]    |
[INFO] [stdout] 83 | impl<'a> PatternParser<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 84 |     fn new(input: &'a [char]) -> PatternParser {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "010921e0324bf418544d0fee22593b1c2b7ff67633b0c001cd3ccb162bd5b1f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "010921e0324bf418544d0fee22593b1c2b7ff67633b0c001cd3ccb162bd5b1f4", kill_on_drop: false }`
[INFO] [stdout] 010921e0324bf418544d0fee22593b1c2b7ff67633b0c001cd3ccb162bd5b1f4