[INFO] fetching crate tf_filter 0.1.3...
[INFO] testing tf_filter-0.1.3 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate tf_filter 0.1.3 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tf_filter 0.1.3 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06822910ee7f199cec28ebc0b302fb408b0a9fd24efacab1b10e3d091ff35e05
[INFO] running `Command { std: "docker" "start" "-a" "06822910ee7f199cec28ebc0b302fb408b0a9fd24efacab1b10e3d091ff35e05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06822910ee7f199cec28ebc0b302fb408b0a9fd24efacab1b10e3d091ff35e05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06822910ee7f199cec28ebc0b302fb408b0a9fd24efacab1b10e3d091ff35e05", kill_on_drop: false }`
[INFO] [stdout] 06822910ee7f199cec28ebc0b302fb408b0a9fd24efacab1b10e3d091ff35e05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f0e078bb9216a02e585336024fa2218e1bcc5ca596a30ba892b058bfbb5e8f6
[INFO] running `Command { std: "docker" "start" "-a" "6f0e078bb9216a02e585336024fa2218e1bcc5ca596a30ba892b058bfbb5e8f6", 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 0.36s
[INFO] running `Command { std: "docker" "inspect" "6f0e078bb9216a02e585336024fa2218e1bcc5ca596a30ba892b058bfbb5e8f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f0e078bb9216a02e585336024fa2218e1bcc5ca596a30ba892b058bfbb5e8f6", kill_on_drop: false }`
[INFO] [stdout] 6f0e078bb9216a02e585336024fa2218e1bcc5ca596a30ba892b058bfbb5e8f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 233b4ec9a6ba1b52a99d1aa5e90b7237d83bc76467854ddb2a6ae0532cb2e7b9
[INFO] running `Command { std: "docker" "start" "-a" "233b4ec9a6ba1b52a99d1aa5e90b7237d83bc76467854ddb2a6ae0532cb2e7b9", 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 0.21s
[INFO] running `Command { std: "docker" "inspect" "233b4ec9a6ba1b52a99d1aa5e90b7237d83bc76467854ddb2a6ae0532cb2e7b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "233b4ec9a6ba1b52a99d1aa5e90b7237d83bc76467854ddb2a6ae0532cb2e7b9", kill_on_drop: false }`
[INFO] [stdout] 233b4ec9a6ba1b52a99d1aa5e90b7237d83bc76467854ddb2a6ae0532cb2e7b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1134a9d1125770c4b70a22c70996a8e633dfae6b9778bcce9830d6df8eae6a1f
[INFO] running `Command { std: "docker" "start" "-a" "1134a9d1125770c4b70a22c70996a8e633dfae6b9778bcce9830d6df8eae6a1f", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:110:34
[INFO] [stderr]     |
[INFO] [stderr] 110 |         observer: Weak<Mutex<Box<(dyn Observer<FilterEvent<T>> + Send + 'static)>>>,
[INFO] [stderr]     |                                  ^                                             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 110 -         observer: Weak<Mutex<Box<(dyn Observer<FilterEvent<T>> + Send + 'static)>>>,
[INFO] [stderr] 110 +         observer: Weak<Mutex<Box<dyn Observer<FilterEvent<T>> + Send + 'static>>>,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:116:34
[INFO] [stderr]     |
[INFO] [stderr] 116 |         observer: Weak<Mutex<Box<(dyn Observer<FilterEvent<T>> + Send + 'static)>>>,
[INFO] [stderr]     |                                  ^                                             ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 116 -         observer: Weak<Mutex<Box<(dyn Observer<FilterEvent<T>> + Send + 'static)>>>,
[INFO] [stderr] 116 +         observer: Weak<Mutex<Box<dyn Observer<FilterEvent<T>> + Send + 'static>>>,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `tf_filter` (lib) generated 2 warnings (run `cargo fix --lib -p tf_filter` to apply 2 suggestions)
[INFO] [stderr] warning: `tf_filter` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tf_filter-1664788d0979e1a1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tf_filter
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:110:34
[INFO] [stderr]     |
[INFO] [stderr] 110 |         observer: Weak<Mutex<Box<(dyn Observer<FilterEvent<T>> + Send + 'static)>>>,
[INFO] [stderr]     |                                  ^                                             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 110 -         observer: Weak<Mutex<Box<(dyn Observer<FilterEvent<T>> + Send + 'static)>>>,
[INFO] [stderr] 110 +         observer: Weak<Mutex<Box<dyn Observer<FilterEvent<T>> + Send + 'static>>>,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:116:34
[INFO] [stderr]     |
[INFO] [stderr] 116 |         observer: Weak<Mutex<Box<(dyn Observer<FilterEvent<T>> + Send + 'static)>>>,
[INFO] [stderr]     |                                  ^                                             ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 116 -         observer: Weak<Mutex<Box<(dyn Observer<FilterEvent<T>> + Send + 'static)>>>,
[INFO] [stderr] 116 +         observer: Weak<Mutex<Box<dyn Observer<FilterEvent<T>> + Send + 'static>>>,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1134a9d1125770c4b70a22c70996a8e633dfae6b9778bcce9830d6df8eae6a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1134a9d1125770c4b70a22c70996a8e633dfae6b9778bcce9830d6df8eae6a1f", kill_on_drop: false }`
[INFO] [stdout] 1134a9d1125770c4b70a22c70996a8e633dfae6b9778bcce9830d6df8eae6a1f
