[INFO] cloning repository https://github.com/MalikIngham/minigrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MalikIngham/minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalikIngham%2Fminigrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalikIngham%2Fminigrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db7c53feeadf49183ff7b19e6e62bc445c3f16c5
[INFO] checking MalikIngham/minigrep against try#d12484522bcab8d07e325c6570f226a2faace3f7 for pr-128425-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalikIngham%2Fminigrep" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MalikIngham/minigrep on toolchain d12484522bcab8d07e325c6570f226a2faace3f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MalikIngham/minigrep
[INFO] finished tweaking git repo https://github.com/MalikIngham/minigrep
[INFO] tweaked toml for git repo https://github.com/MalikIngham/minigrep written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MalikIngham/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" "+d12484522bcab8d07e325c6570f226a2faace3f7" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed33e34a79b581f62906a7bd8f9666715daf19bda997fbbe30a3f0501896a69d
[INFO] running `Command { std: "docker" "start" "-a" "ed33e34a79b581f62906a7bd8f9666715daf19bda997fbbe30a3f0501896a69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed33e34a79b581f62906a7bd8f9666715daf19bda997fbbe30a3f0501896a69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed33e34a79b581f62906a7bd8f9666715daf19bda997fbbe30a3f0501896a69d", kill_on_drop: false }`
[INFO] [stdout] ed33e34a79b581f62906a7bd8f9666715daf19bda997fbbe30a3f0501896a69d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ebea7b21cc8fd4e911c772317ee041be12922c434e88bddb159f0e4cd5ed6a9
[INFO] running `Command { std: "docker" "start" "-a" "5ebea7b21cc8fd4e911c772317ee041be12922c434e88bddb159f0e4cd5ed6a9", kill_on_drop: false }`
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     if let Err(e) = minigrep::run(_config) {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     if let Err(e) = minigrep::run(_config) {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "5ebea7b21cc8fd4e911c772317ee041be12922c434e88bddb159f0e4cd5ed6a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ebea7b21cc8fd4e911c772317ee041be12922c434e88bddb159f0e4cd5ed6a9", kill_on_drop: false }`
[INFO] [stdout] 5ebea7b21cc8fd4e911c772317ee041be12922c434e88bddb159f0e4cd5ed6a9