[INFO] fetching crate fix_me 0.1.2...
[INFO] checking fix_me-0.1.2 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate fix_me 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fix_me 0.1.2 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fix_me 0.1.2
[INFO] finished tweaking crates.io crate fix_me 0.1.2
[INFO] tweaked toml for crates.io crate fix_me 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7528b9ca9480dc2541c145a10870b1f6a2b06dfba831af9605a715479308cc6
[INFO] running `Command { std: "docker" "start" "-a" "e7528b9ca9480dc2541c145a10870b1f6a2b06dfba831af9605a715479308cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7528b9ca9480dc2541c145a10870b1f6a2b06dfba831af9605a715479308cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7528b9ca9480dc2541c145a10870b1f6a2b06dfba831af9605a715479308cc6", kill_on_drop: false }`
[INFO] [stdout] e7528b9ca9480dc2541c145a10870b1f6a2b06dfba831af9605a715479308cc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e41f9a91bf65325c43af4404fdf0ffe4f8e8940c09bb5843a65beac7be211d07
[INFO] running `Command { std: "docker" "start" "-a" "e41f9a91bf65325c43af4404fdf0ffe4f8e8940c09bb5843a65beac7be211d07", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking fix_me v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `test_string`
[INFO] [stdout]   --> tests/integration_test.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let test_string = String::from("test");
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> tests/integration_test.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let val = to_fix();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "e41f9a91bf65325c43af4404fdf0ffe4f8e8940c09bb5843a65beac7be211d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e41f9a91bf65325c43af4404fdf0ffe4f8e8940c09bb5843a65beac7be211d07", kill_on_drop: false }`
[INFO] [stdout] e41f9a91bf65325c43af4404fdf0ffe4f8e8940c09bb5843a65beac7be211d07