[INFO] crate staple 0.1.0 is already in cache
[INFO] checking staple-0.1.0 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate staple 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate staple 0.1.0 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate staple 0.1.0
[INFO] finished tweaking crates.io crate staple 0.1.0
[INFO] tweaked toml for crates.io crate staple 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 88c0f1f4c7778f96e7bdc43d298eda2fc203f87798f2049ed16ce64ee0d73a73
[INFO] running `"docker" "start" "-a" "88c0f1f4c7778f96e7bdc43d298eda2fc203f87798f2049ed16ce64ee0d73a73"`
[INFO] [stderr]     Checking staple v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let matches = App::new("Staple Static Blog Generator")
[INFO] [stderr]   |         ^^^^^^^ help: consider prefixing with an underscore: `_matches`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let matches = App::new("Staple Static Blog Generator")
[INFO] [stderr]   |         ^^^^^^^ help: consider prefixing with an underscore: `_matches`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "88c0f1f4c7778f96e7bdc43d298eda2fc203f87798f2049ed16ce64ee0d73a73"`
[INFO] running `"docker" "rm" "-f" "88c0f1f4c7778f96e7bdc43d298eda2fc203f87798f2049ed16ce64ee0d73a73"`
[INFO] [stdout] 88c0f1f4c7778f96e7bdc43d298eda2fc203f87798f2049ed16ce64ee0d73a73