[INFO] cloning repository https://github.com/scripts-richard/A-a-Hot-Reloader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scripts-richard/A-a-Hot-Reloader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscripts-richard%2FA-a-Hot-Reloader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscripts-richard%2FA-a-Hot-Reloader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6371c0219dd4e9f06abf032fd2cffad2f5dee67f
[INFO] testing scripts-richard/A-a-Hot-Reloader against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscripts-richard%2FA-a-Hot-Reloader" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scripts-richard/A-a-Hot-Reloader on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scripts-richard/A-a-Hot-Reloader
[INFO] finished tweaking git repo https://github.com/scripts-richard/A-a-Hot-Reloader
[INFO] tweaked toml for git repo https://github.com/scripts-richard/A-a-Hot-Reloader written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/scripts-richard/A-a-Hot-Reloader already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v3.1.2
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b8f0be050d2201e0ac2ec7d06be65559123101e8632f1e87088af2ed4d2f5a3
[INFO] running `Command { std: "docker" "start" "-a" "5b8f0be050d2201e0ac2ec7d06be65559123101e8632f1e87088af2ed4d2f5a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b8f0be050d2201e0ac2ec7d06be65559123101e8632f1e87088af2ed4d2f5a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b8f0be050d2201e0ac2ec7d06be65559123101e8632f1e87088af2ed4d2f5a3", kill_on_drop: false }`
[INFO] [stdout] 5b8f0be050d2201e0ac2ec7d06be65559123101e8632f1e87088af2ed4d2f5a3
[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=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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb7bda3d203fd650dc9e90c8a2574cc68e7dbad03a8a668b7d8ccc1aa39722b5
[INFO] running `Command { std: "docker" "start" "-a" "fb7bda3d203fd650dc9e90c8a2574cc68e7dbad03a8a668b7d8ccc1aa39722b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling futures v0.1.27
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling tokio-trace-core v0.2.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling walkdir v2.2.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling tokio-executor v0.1.7
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-sync v0.1.6
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling slog-term v2.4.0
[INFO] [stderr]    Compiling tokio v0.1.21
[INFO] [stderr]    Compiling inotify v0.7.0
[INFO] [stderr]    Compiling ctrlc v3.1.2
[INFO] [stderr]    Compiling aa v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/watchers.rs:103:39
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn watch(&mut self) -> Result<(bool), io::Error> {
[INFO] [stdout]     |                                       ^    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 103 -     pub fn watch(&mut self) -> Result<(bool), io::Error> {
[INFO] [stdout] 103 +     pub fn watch(&mut self) -> Result<bool, io::Error> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/watchers.rs:112:44
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn dir_event_loop(&mut self) -> Result<(bool), io::Error> {
[INFO] [stdout]     |                                            ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 112 -     fn dir_event_loop(&mut self) -> Result<(bool), io::Error> {
[INFO] [stdout] 112 +     fn dir_event_loop(&mut self) -> Result<bool, io::Error> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/watchers.rs:159:45
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn file_event_loop(&mut self) -> Result<(bool), io::Error> {
[INFO] [stdout]     |                                             ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 159 -     fn file_event_loop(&mut self) -> Result<(bool), io::Error> {
[INFO] [stdout] 159 +     fn file_event_loop(&mut self) -> Result<bool, io::Error> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `Command { std: "docker" "inspect" "fb7bda3d203fd650dc9e90c8a2574cc68e7dbad03a8a668b7d8ccc1aa39722b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb7bda3d203fd650dc9e90c8a2574cc68e7dbad03a8a668b7d8ccc1aa39722b5", kill_on_drop: false }`
[INFO] [stdout] fb7bda3d203fd650dc9e90c8a2574cc68e7dbad03a8a668b7d8ccc1aa39722b5
[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=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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ed9de5839a59816c2f92af1811b3fb8e2a2844b8a7f5d84372da7a58aeedbe0
[INFO] running `Command { std: "docker" "start" "-a" "0ed9de5839a59816c2f92af1811b3fb8e2a2844b8a7f5d84372da7a58aeedbe0", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/watchers.rs:103:39
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn watch(&mut self) -> Result<(bool), io::Error> {
[INFO] [stdout]     |                                       ^    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 103 -     pub fn watch(&mut self) -> Result<(bool), io::Error> {
[INFO] [stdout] 103 +     pub fn watch(&mut self) -> Result<bool, io::Error> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/watchers.rs:112:44
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn dir_event_loop(&mut self) -> Result<(bool), io::Error> {
[INFO] [stdout]     |                                            ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 112 -     fn dir_event_loop(&mut self) -> Result<(bool), io::Error> {
[INFO] [stdout] 112 +     fn dir_event_loop(&mut self) -> Result<bool, io::Error> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aa v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/watchers.rs:159:45
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn file_event_loop(&mut self) -> Result<(bool), io::Error> {
[INFO] [stdout]     |                                             ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 159 -     fn file_event_loop(&mut self) -> Result<(bool), io::Error> {
[INFO] [stdout] 159 +     fn file_event_loop(&mut self) -> Result<bool, io::Error> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/watchers.rs:103:39
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn watch(&mut self) -> Result<(bool), io::Error> {
[INFO] [stdout]     |                                       ^    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 103 -     pub fn watch(&mut self) -> Result<(bool), io::Error> {
[INFO] [stdout] 103 +     pub fn watch(&mut self) -> Result<bool, io::Error> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/watchers.rs:112:44
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn dir_event_loop(&mut self) -> Result<(bool), io::Error> {
[INFO] [stdout]     |                                            ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 112 -     fn dir_event_loop(&mut self) -> Result<(bool), io::Error> {
[INFO] [stdout] 112 +     fn dir_event_loop(&mut self) -> Result<bool, io::Error> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/watchers.rs:159:45
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn file_event_loop(&mut self) -> Result<(bool), io::Error> {
[INFO] [stdout]     |                                             ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 159 -     fn file_event_loop(&mut self) -> Result<(bool), io::Error> {
[INFO] [stdout] 159 +     fn file_event_loop(&mut self) -> Result<bool, io::Error> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "0ed9de5839a59816c2f92af1811b3fb8e2a2844b8a7f5d84372da7a58aeedbe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ed9de5839a59816c2f92af1811b3fb8e2a2844b8a7f5d84372da7a58aeedbe0", kill_on_drop: false }`
[INFO] [stdout] 0ed9de5839a59816c2f92af1811b3fb8e2a2844b8a7f5d84372da7a58aeedbe0
[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=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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8671cc8fc6ed5dc60e439280cf1b54c6d9698dc6ba4739ca2eb5a6668cdd5053
[INFO] running `Command { std: "docker" "start" "-a" "8671cc8fc6ed5dc60e439280cf1b54c6d9698dc6ba4739ca2eb5a6668cdd5053", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/watchers.rs:103:39
[INFO] [stderr]     |
[INFO] [stderr] 103 |     pub fn watch(&mut self) -> Result<(bool), io::Error> {
[INFO] [stderr]     |                                       ^    ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 103 -     pub fn watch(&mut self) -> Result<(bool), io::Error> {
[INFO] [stderr] 103 +     pub fn watch(&mut self) -> Result<bool, io::Error> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/watchers.rs:112:44
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn dir_event_loop(&mut self) -> Result<(bool), io::Error> {
[INFO] [stderr]     |                                            ^    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 112 -     fn dir_event_loop(&mut self) -> Result<(bool), io::Error> {
[INFO] [stderr] 112 +     fn dir_event_loop(&mut self) -> Result<bool, io::Error> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/watchers.rs:159:45
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn file_event_loop(&mut self) -> Result<(bool), io::Error> {
[INFO] [stderr]     |                                             ^    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 159 -     fn file_event_loop(&mut self) -> Result<(bool), io::Error> {
[INFO] [stderr] 159 +     fn file_event_loop(&mut self) -> Result<bool, io::Error> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `aa` (lib) generated 3 warnings (run `cargo fix --lib -p aa` to apply 3 suggestions)
[INFO] [stderr] warning: `aa` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/aa-1353a52b00c8d9b3)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/aa-8606b3c97f4e128a)
[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 aa
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/watchers.rs:103:39
[INFO] [stderr]     |
[INFO] [stderr] 103 |     pub fn watch(&mut self) -> Result<(bool), io::Error> {
[INFO] [stderr]     |                                       ^    ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 103 -     pub fn watch(&mut self) -> Result<(bool), io::Error> {
[INFO] [stderr] 103 +     pub fn watch(&mut self) -> Result<bool, io::Error> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/watchers.rs:112:44
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn dir_event_loop(&mut self) -> Result<(bool), io::Error> {
[INFO] [stderr]     |                                            ^    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 112 -     fn dir_event_loop(&mut self) -> Result<(bool), io::Error> {
[INFO] [stderr] 112 +     fn dir_event_loop(&mut self) -> Result<bool, io::Error> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/watchers.rs:159:45
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn file_event_loop(&mut self) -> Result<(bool), io::Error> {
[INFO] [stderr]     |                                             ^    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 159 -     fn file_event_loop(&mut self) -> Result<(bool), io::Error> {
[INFO] [stderr] 159 +     fn file_event_loop(&mut self) -> Result<bool, io::Error> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[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] running `Command { std: "docker" "inspect" "8671cc8fc6ed5dc60e439280cf1b54c6d9698dc6ba4739ca2eb5a6668cdd5053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8671cc8fc6ed5dc60e439280cf1b54c6d9698dc6ba4739ca2eb5a6668cdd5053", kill_on_drop: false }`
[INFO] [stdout] 8671cc8fc6ed5dc60e439280cf1b54c6d9698dc6ba4739ca2eb5a6668cdd5053
