[INFO] cloning repository https://github.com/Wozacosta/minigrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wozacosta/minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWozacosta%2Fminigrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWozacosta%2Fminigrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6e4b1985f177b65072dde2cc0b1308624d5588b
[INFO] checking Wozacosta/minigrep against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWozacosta%2Fminigrep" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Wozacosta/minigrep
[INFO] finished tweaking git repo https://github.com/Wozacosta/minigrep
[INFO] tweaked toml for git repo https://github.com/Wozacosta/minigrep written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Wozacosta/minigrep 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/Wozacosta/minigrep 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
[ERROR] error running command: no output for 300 seconds
[INFO] checking Wozacosta/minigrep against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWozacosta%2Fminigrep" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Wozacosta/minigrep
[INFO] finished tweaking git repo https://github.com/Wozacosta/minigrep
[INFO] tweaked toml for git repo https://github.com/Wozacosta/minigrep written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Wozacosta/minigrep 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/Wozacosta/minigrep 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 163387b5253a32984dd8403fb8b67158189febc6b7463d042e657317a278db7b
[INFO] running `Command { std: "docker" "start" "-a" "163387b5253a32984dd8403fb8b67158189febc6b7463d042e657317a278db7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "163387b5253a32984dd8403fb8b67158189febc6b7463d042e657317a278db7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "163387b5253a32984dd8403fb8b67158189febc6b7463d042e657317a278db7b", kill_on_drop: false }`
[INFO] [stdout] 163387b5253a32984dd8403fb8b67158189febc6b7463d042e657317a278db7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1460426635fe8902be9b2b1d230843936c7760ba0dfbe62efdd54eb390ca816c
[INFO] running `Command { std: "docker" "start" "-a" "1460426635fe8902be9b2b1d230843936c7760ba0dfbe62efdd54eb390ca816c", kill_on_drop: false }`
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `&Vec<String>` is not an iterator
[INFO] [stdout]   --> src/main.rs:8:32
[INFO] [stdout]    |
[INFO] [stdout] 8  |     let config = Config::build(&args).unwrap_or_else(|err| {
[INFO] [stdout]    |                  ------------- ^^^^^ `&Vec<String>` is not an iterator
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Iterator` is not implemented for `&Vec<String>`
[INFO] [stdout] note: required by a bound in `Config::build`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:28:33
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn build(mut args: impl Iterator<Item = String>) -> Result<Config, &'static str> {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Config::build`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `&Vec<String>` is not an iterator
[INFO] [stdout]   --> src/main.rs:8:32
[INFO] [stdout]    |
[INFO] [stdout] 8  |     let config = Config::build(&args).unwrap_or_else(|err| {
[INFO] [stdout]    |                  ------------- ^^^^^ `&Vec<String>` is not an iterator
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Iterator` is not implemented for `&Vec<String>`
[INFO] [stdout] note: required by a bound in `Config::build`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:28:33
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn build(mut args: impl Iterator<Item = String>) -> Result<Config, &'static str> {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Config::build`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minigrep` (bin "minigrep") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `minigrep` (bin "minigrep" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "1460426635fe8902be9b2b1d230843936c7760ba0dfbe62efdd54eb390ca816c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1460426635fe8902be9b2b1d230843936c7760ba0dfbe62efdd54eb390ca816c", kill_on_drop: false }`
[INFO] [stdout] 1460426635fe8902be9b2b1d230843936c7760ba0dfbe62efdd54eb390ca816c
