[INFO] fetching crate tf_filter 0.1.3...
[INFO] building tf_filter-0.1.3 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate tf_filter 0.1.3 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate tf_filter 0.1.3
[INFO] finished tweaking crates.io crate tf_filter 0.1.3
[INFO] tweaked toml for crates.io crate tf_filter 0.1.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tf_filter 0.1.3 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tf_observer v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ade53f0cc595b19f901a8addde6c72e12a1dfd976466272e903a996afc8bac62
[INFO] running `Command { std: "docker" "start" "-a" "ade53f0cc595b19f901a8addde6c72e12a1dfd976466272e903a996afc8bac62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ade53f0cc595b19f901a8addde6c72e12a1dfd976466272e903a996afc8bac62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ade53f0cc595b19f901a8addde6c72e12a1dfd976466272e903a996afc8bac62", kill_on_drop: false }`
[INFO] [stdout] ade53f0cc595b19f901a8addde6c72e12a1dfd976466272e903a996afc8bac62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12e75cbae4c2af869d597d0a7529f3949bcd2aacac1a0dee35b5e209e855432d
[INFO] running `Command { std: "docker" "start" "-a" "12e75cbae4c2af869d597d0a7529f3949bcd2aacac1a0dee35b5e209e855432d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tf_observer v0.1.3
[INFO] [stderr]    Compiling tf_filter v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:110:34
[INFO] [stdout]     |
[INFO] [stdout] 110 |         observer: Weak<Mutex<Box<(dyn Observer<FilterEvent<T>> + Send + 'static)>>>,
[INFO] [stdout]     |                                  ^                                             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 110 -         observer: Weak<Mutex<Box<(dyn Observer<FilterEvent<T>> + Send + 'static)>>>,
[INFO] [stdout] 110 +         observer: Weak<Mutex<Box<dyn Observer<FilterEvent<T>> + Send + 'static>>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:116:34
[INFO] [stdout]     |
[INFO] [stdout] 116 |         observer: Weak<Mutex<Box<(dyn Observer<FilterEvent<T>> + Send + 'static)>>>,
[INFO] [stdout]     |                                  ^                                             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 116 -         observer: Weak<Mutex<Box<(dyn Observer<FilterEvent<T>> + Send + 'static)>>>,
[INFO] [stdout] 116 +         observer: Weak<Mutex<Box<dyn Observer<FilterEvent<T>> + Send + 'static>>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "12e75cbae4c2af869d597d0a7529f3949bcd2aacac1a0dee35b5e209e855432d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12e75cbae4c2af869d597d0a7529f3949bcd2aacac1a0dee35b5e209e855432d", kill_on_drop: false }`
[INFO] [stdout] 12e75cbae4c2af869d597d0a7529f3949bcd2aacac1a0dee35b5e209e855432d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 280f6ee7d3825499670c053114b9ffb3f1ab81b8dbd5be4fe1a80027404b8613
[INFO] running `Command { std: "docker" "start" "-a" "280f6ee7d3825499670c053114b9ffb3f1ab81b8dbd5be4fe1a80027404b8613", kill_on_drop: false }`
[INFO] [stderr]    Compiling tf_filter v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:110:34
[INFO] [stdout]     |
[INFO] [stdout] 110 |         observer: Weak<Mutex<Box<(dyn Observer<FilterEvent<T>> + Send + 'static)>>>,
[INFO] [stdout]     |                                  ^                                             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 110 -         observer: Weak<Mutex<Box<(dyn Observer<FilterEvent<T>> + Send + 'static)>>>,
[INFO] [stdout] 110 +         observer: Weak<Mutex<Box<dyn Observer<FilterEvent<T>> + Send + 'static>>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:116:34
[INFO] [stdout]     |
[INFO] [stdout] 116 |         observer: Weak<Mutex<Box<(dyn Observer<FilterEvent<T>> + Send + 'static)>>>,
[INFO] [stdout]     |                                  ^                                             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 116 -         observer: Weak<Mutex<Box<(dyn Observer<FilterEvent<T>> + Send + 'static)>>>,
[INFO] [stdout] 116 +         observer: Weak<Mutex<Box<dyn Observer<FilterEvent<T>> + Send + 'static>>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:110:34
[INFO] [stdout]     |
[INFO] [stdout] 110 |         observer: Weak<Mutex<Box<(dyn Observer<FilterEvent<T>> + Send + 'static)>>>,
[INFO] [stdout]     |                                  ^                                             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 110 -         observer: Weak<Mutex<Box<(dyn Observer<FilterEvent<T>> + Send + 'static)>>>,
[INFO] [stdout] 110 +         observer: Weak<Mutex<Box<dyn Observer<FilterEvent<T>> + Send + 'static>>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:116:34
[INFO] [stdout]     |
[INFO] [stdout] 116 |         observer: Weak<Mutex<Box<(dyn Observer<FilterEvent<T>> + Send + 'static)>>>,
[INFO] [stdout]     |                                  ^                                             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 116 -         observer: Weak<Mutex<Box<(dyn Observer<FilterEvent<T>> + Send + 'static)>>>,
[INFO] [stdout] 116 +         observer: Weak<Mutex<Box<dyn Observer<FilterEvent<T>> + Send + 'static>>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "280f6ee7d3825499670c053114b9ffb3f1ab81b8dbd5be4fe1a80027404b8613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "280f6ee7d3825499670c053114b9ffb3f1ab81b8dbd5be4fe1a80027404b8613", kill_on_drop: false }`
[INFO] [stdout] 280f6ee7d3825499670c053114b9ffb3f1ab81b8dbd5be4fe1a80027404b8613
