[INFO] fetching crate tf_filter 0.1.3...
[INFO] testing tf_filter-0.1.3 against 1.95.0 for beta-1.96-2
[INFO] extracting crate tf_filter 0.1.3 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tf_filter 0.1.3 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "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" "+1.95.0" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2eafcc79795e5cc71dbc0548a127e0972538dd69b0c55703c3349c5e14001814
[INFO] running `Command { std: "docker" "start" "-a" "2eafcc79795e5cc71dbc0548a127e0972538dd69b0c55703c3349c5e14001814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2eafcc79795e5cc71dbc0548a127e0972538dd69b0c55703c3349c5e14001814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eafcc79795e5cc71dbc0548a127e0972538dd69b0c55703c3349c5e14001814", kill_on_drop: false }`
[INFO] [stdout] 2eafcc79795e5cc71dbc0548a127e0972538dd69b0c55703c3349c5e14001814
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dcf33d5963e34764939631a88982ce4395b29c746d2fd9d500a522c0c030d11
[INFO] running `Command { std: "docker" "start" "-a" "4dcf33d5963e34764939631a88982ce4395b29c746d2fd9d500a522c0c030d11", 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 0.20s
[INFO] running `Command { std: "docker" "inspect" "4dcf33d5963e34764939631a88982ce4395b29c746d2fd9d500a522c0c030d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dcf33d5963e34764939631a88982ce4395b29c746d2fd9d500a522c0c030d11", kill_on_drop: false }`
[INFO] [stdout] 4dcf33d5963e34764939631a88982ce4395b29c746d2fd9d500a522c0c030d11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73b2764d89dcf1fe68e4c379feffccf8da87623ded3802ee3ef41fd87c73191d
[INFO] running `Command { std: "docker" "start" "-a" "73b2764d89dcf1fe68e4c379feffccf8da87623ded3802ee3ef41fd87c73191d", kill_on_drop: false }`
[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]    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 `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "73b2764d89dcf1fe68e4c379feffccf8da87623ded3802ee3ef41fd87c73191d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b2764d89dcf1fe68e4c379feffccf8da87623ded3802ee3ef41fd87c73191d", kill_on_drop: false }`
[INFO] [stdout] 73b2764d89dcf1fe68e4c379feffccf8da87623ded3802ee3ef41fd87c73191d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 926d242f8eeb5a21957d3b0978ddf0b6576785443095383b060060e0d74a642b
[INFO] running `Command { std: "docker" "start" "-a" "926d242f8eeb5a21957d3b0978ddf0b6576785443095383b060060e0d74a642b", 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-385756405717b345)
[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] [stdout] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[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" "926d242f8eeb5a21957d3b0978ddf0b6576785443095383b060060e0d74a642b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "926d242f8eeb5a21957d3b0978ddf0b6576785443095383b060060e0d74a642b", kill_on_drop: false }`
[INFO] [stdout] 926d242f8eeb5a21957d3b0978ddf0b6576785443095383b060060e0d74a642b
