[INFO] fetching crate minify 1.2.0...
[INFO] checking minify-1.2.0 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate minify 1.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate minify 1.2.0 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 973333f8e2e81438adc48f8e0b2b415a93746811365486679a6147f8a911b453
[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" "973333f8e2e81438adc48f8e0b2b415a93746811365486679a6147f8a911b453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "973333f8e2e81438adc48f8e0b2b415a93746811365486679a6147f8a911b453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "973333f8e2e81438adc48f8e0b2b415a93746811365486679a6147f8a911b453", kill_on_drop: false }`
[INFO] [stdout] 973333f8e2e81438adc48f8e0b2b415a93746811365486679a6147f8a911b453
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be031c1479f05af4259c55f44ca372be94b9afefaec908338a8b1ec5301397a2
[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" "be031c1479f05af4259c55f44ca372be94b9afefaec908338a8b1ec5301397a2", 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 0.24s
[INFO] running `Command { std: "docker" "inspect" "be031c1479f05af4259c55f44ca372be94b9afefaec908338a8b1ec5301397a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be031c1479f05af4259c55f44ca372be94b9afefaec908338a8b1ec5301397a2", kill_on_drop: false }`
[INFO] [stdout] be031c1479f05af4259c55f44ca372be94b9afefaec908338a8b1ec5301397a2