[INFO] fetching crate argfetch 0.1.6...
[INFO] checking argfetch-0.1.6 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate argfetch 0.1.6 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate argfetch 0.1.6
[INFO] finished tweaking crates.io crate argfetch 0.1.6
[INFO] tweaked toml for crates.io crate argfetch 0.1.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate argfetch 0.1.6 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c04f9e1409672893db9ad2923fe37c732930727e14d5ee27430314f1b0a061cf
[INFO] running `Command { std: "docker" "start" "-a" "c04f9e1409672893db9ad2923fe37c732930727e14d5ee27430314f1b0a061cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c04f9e1409672893db9ad2923fe37c732930727e14d5ee27430314f1b0a061cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c04f9e1409672893db9ad2923fe37c732930727e14d5ee27430314f1b0a061cf", kill_on_drop: false }`
[INFO] [stdout] c04f9e1409672893db9ad2923fe37c732930727e14d5ee27430314f1b0a061cf
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dec784a2351d2fd841f12f3b9b8030a3a0785b9f6f551670f3b89862f9f7c91e
[INFO] running `Command { std: "docker" "start" "-a" "dec784a2351d2fd841f12f3b9b8030a3a0785b9f6f551670f3b89862f9f7c91e", kill_on_drop: false }`
[INFO] [stderr]     Checking argfetch v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `flag`
[INFO] [stdout]  --> src/lib.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     for flag in &flags_vec {
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_flag`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flag`
[INFO] [stdout]  --> src/lib.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     for flag in &flags_vec {
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_flag`
[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 0.17s
[INFO] running `Command { std: "docker" "inspect" "dec784a2351d2fd841f12f3b9b8030a3a0785b9f6f551670f3b89862f9f7c91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dec784a2351d2fd841f12f3b9b8030a3a0785b9f6f551670f3b89862f9f7c91e", kill_on_drop: false }`
[INFO] [stdout] dec784a2351d2fd841f12f3b9b8030a3a0785b9f6f551670f3b89862f9f7c91e