[INFO] fetching crate arc-guard 0.2.0...
[INFO] checking arc-guard-0.2.0 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate arc-guard 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate arc-guard 0.2.0 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arc-guard 0.2.0
[INFO] finished tweaking crates.io crate arc-guard 0.2.0
[INFO] tweaked toml for crates.io crate arc-guard 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "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" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61d3c916baf297d7a9f9f60c45a48bd3d81bbcf51526085acc956c3f1b8e121a
[INFO] running `Command { std: "docker" "start" "-a" "61d3c916baf297d7a9f9f60c45a48bd3d81bbcf51526085acc956c3f1b8e121a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61d3c916baf297d7a9f9f60c45a48bd3d81bbcf51526085acc956c3f1b8e121a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d3c916baf297d7a9f9f60c45a48bd3d81bbcf51526085acc956c3f1b8e121a", kill_on_drop: false }`
[INFO] [stdout] 61d3c916baf297d7a9f9f60c45a48bd3d81bbcf51526085acc956c3f1b8e121a
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f17e282dc4f32f893642d9e22c806b9c4f69ab039e2ae1f2dd85fda9164e5ec4
[INFO] running `Command { std: "docker" "start" "-a" "f17e282dc4f32f893642d9e22c806b9c4f69ab039e2ae1f2dd85fda9164e5ec4", kill_on_drop: false }`
[INFO] [stderr]     Checking arc-guard v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `indicator`
[INFO] [stdout]    --> src/lib.rs:139:41
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let string = indicator.execute(|indicator| -> String {
[INFO] [stdout]     |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_indicator`
[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 0.06s
[INFO] running `Command { std: "docker" "inspect" "f17e282dc4f32f893642d9e22c806b9c4f69ab039e2ae1f2dd85fda9164e5ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f17e282dc4f32f893642d9e22c806b9c4f69ab039e2ae1f2dd85fda9164e5ec4", kill_on_drop: false }`
[INFO] [stdout] f17e282dc4f32f893642d9e22c806b9c4f69ab039e2ae1f2dd85fda9164e5ec4
