[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] checking scripts-richard/A-a-Hot-Reloader against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscripts-richard%2FA-a-Hot-Reloader" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scripts-richard/A-a-Hot-Reloader on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/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: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded slog-term v2.4.0
[INFO] [stderr]   Downloaded futures v0.1.27
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded tokio-trace-core v0.2.0
[INFO] [stderr]   Downloaded tokio v0.1.21
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.14
[INFO] [stderr]   Downloaded ctrlc v3.1.2
[INFO] [stderr]   Downloaded slog-async v2.3.0
[INFO] [stderr]   Downloaded inotify v0.7.0
[INFO] [stderr]   Downloaded slog v2.4.1
[INFO] [stderr]   Downloaded backtrace v0.3.30
[INFO] [stderr]   Downloaded walkdir v2.2.8
[INFO] [stderr]   Downloaded tokio-executor v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6893d074070d102912b72873eaa1e7d25b30d164157887ad9997cfa8ba26ce63
[INFO] running `Command { std: "docker" "start" "-a" "6893d074070d102912b72873eaa1e7d25b30d164157887ad9997cfa8ba26ce63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6893d074070d102912b72873eaa1e7d25b30d164157887ad9997cfa8ba26ce63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6893d074070d102912b72873eaa1e7d25b30d164157887ad9997cfa8ba26ce63", kill_on_drop: false }`
[INFO] [stdout] 6893d074070d102912b72873eaa1e7d25b30d164157887ad9997cfa8ba26ce63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ee5c37595104217269650abdb9324d89e1a4cc62121fa0f494fd844035d56b3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6ee5c37595104217269650abdb9324d89e1a4cc62121fa0f494fd844035d56b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking futures v0.1.27
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking tokio-trace-core v0.2.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking walkdir v2.2.8
[INFO] [stderr]     Checking textwrap v0.11.0
[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 num-integer v0.1.41
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio v0.1.21
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]     Checking ctrlc v3.1.2
[INFO] [stderr]     Checking 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]     |                                       ^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[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]     |                                            ^^^^^^ help: remove these parentheses
[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]     |                                             ^^^^^^ help: remove these parentheses
[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]     |                                       ^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[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]     |                                            ^^^^^^ help: remove these parentheses
[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]     |                                             ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.92s
[INFO] running `Command { std: "docker" "inspect" "6ee5c37595104217269650abdb9324d89e1a4cc62121fa0f494fd844035d56b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee5c37595104217269650abdb9324d89e1a4cc62121fa0f494fd844035d56b3", kill_on_drop: false }`
[INFO] [stdout] 6ee5c37595104217269650abdb9324d89e1a4cc62121fa0f494fd844035d56b3