[INFO] fetching crate tf_filter 0.1.3...
[INFO] building tf_filter-0.1.3 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate tf_filter 0.1.3 into /workspace/builds/worker-2-tc2/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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tf_filter 0.1.3 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc6c9ad51871873c90f9c01627911e3e83c0194171cd4fd94dcad742891bcbf8
[INFO] running `Command { std: "docker" "start" "-a" "dc6c9ad51871873c90f9c01627911e3e83c0194171cd4fd94dcad742891bcbf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc6c9ad51871873c90f9c01627911e3e83c0194171cd4fd94dcad742891bcbf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc6c9ad51871873c90f9c01627911e3e83c0194171cd4fd94dcad742891bcbf8", kill_on_drop: false }`
[INFO] [stdout] dc6c9ad51871873c90f9c01627911e3e83c0194171cd4fd94dcad742891bcbf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8bc3d93b6297b3361b1de4ddbd1e473016c4c14415da1a69fed6fbc6ca063ff
[INFO] running `Command { std: "docker" "start" "-a" "f8bc3d93b6297b3361b1de4ddbd1e473016c4c14415da1a69fed6fbc6ca063ff", 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" "f8bc3d93b6297b3361b1de4ddbd1e473016c4c14415da1a69fed6fbc6ca063ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8bc3d93b6297b3361b1de4ddbd1e473016c4c14415da1a69fed6fbc6ca063ff", kill_on_drop: false }`
[INFO] [stdout] f8bc3d93b6297b3361b1de4ddbd1e473016c4c14415da1a69fed6fbc6ca063ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 854eb8cc0485ee8640325531ca0aebd1dd8cc5c971d49b865e61f65b223b6a66
[INFO] running `Command { std: "docker" "start" "-a" "854eb8cc0485ee8640325531ca0aebd1dd8cc5c971d49b865e61f65b223b6a66", 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 0.26s
[INFO] running `Command { std: "docker" "inspect" "854eb8cc0485ee8640325531ca0aebd1dd8cc5c971d49b865e61f65b223b6a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "854eb8cc0485ee8640325531ca0aebd1dd8cc5c971d49b865e61f65b223b6a66", kill_on_drop: false }`
[INFO] [stdout] 854eb8cc0485ee8640325531ca0aebd1dd8cc5c971d49b865e61f65b223b6a66
