[INFO] fetching crate minify 1.2.0...
[INFO] checking minify-1.2.0 against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] extracting crate minify 1.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate minify 1.2.0 on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minify 1.2.0
[INFO] finished tweaking crates.io crate minify 1.2.0
[INFO] tweaked toml for crates.io crate minify 1.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 607d17e72da12172ec7c067b5559ff1c8d2b2435e90339fc75f48b41abba68c9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "607d17e72da12172ec7c067b5559ff1c8d2b2435e90339fc75f48b41abba68c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "607d17e72da12172ec7c067b5559ff1c8d2b2435e90339fc75f48b41abba68c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "607d17e72da12172ec7c067b5559ff1c8d2b2435e90339fc75f48b41abba68c9", kill_on_drop: false }`
[INFO] [stdout] 607d17e72da12172ec7c067b5559ff1c8d2b2435e90339fc75f48b41abba68c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7de86341fc30a29c20b4be75376b0aee1fbd2e3837703e4eab7db71137e617b3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7de86341fc30a29c20b4be75376b0aee1fbd2e3837703e4eab7db71137e617b3", kill_on_drop: false }`
[INFO] [stderr]     Checking minify v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused result
[INFO] [stdout]   --> src/html/mod.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | /     minify_from_read(file)
[INFO] [stdout] 82 | |         .read_to_string(&mut actual)
[INFO] [stdout] 83 | |         .expect("error at read");
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     unused_results,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused result
[INFO] [stdout]   --> src/json/mod.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | /     minify_from_read(file)
[INFO] [stdout] 77 | |         .read_to_string(&mut actual)
[INFO] [stdout] 78 | |         .expect("error at read");
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "7de86341fc30a29c20b4be75376b0aee1fbd2e3837703e4eab7db71137e617b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7de86341fc30a29c20b4be75376b0aee1fbd2e3837703e4eab7db71137e617b3", kill_on_drop: false }`
[INFO] [stdout] 7de86341fc30a29c20b4be75376b0aee1fbd2e3837703e4eab7db71137e617b3