[INFO] cloning repository https://github.com/rishi-org-stack/fsmonitor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rishi-org-stack/fsmonitor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frishi-org-stack%2Ffsmonitor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frishi-org-stack%2Ffsmonitor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b08acd008d35d7935d1d1dd2bb4bdc7e5c67565a
[INFO] testing rishi-org-stack/fsmonitor against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frishi-org-stack%2Ffsmonitor" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rishi-org-stack/fsmonitor
[INFO] finished tweaking git repo https://github.com/rishi-org-stack/fsmonitor
[INFO] tweaked toml for git repo https://github.com/rishi-org-stack/fsmonitor written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rishi-org-stack/fsmonitor on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rishi-org-stack/fsmonitor 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inotify v0.10.2
[INFO] [stderr]   Downloaded miniz_oxide v0.7.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.78
[INFO] [stderr]   Downloaded socket2 v0.5.6
[INFO] [stderr]   Downloaded cc v1.0.89
[INFO] [stderr]   Downloaded syn v2.0.52
[INFO] [stderr]   Downloaded libc v0.2.153
[INFO] [stderr]   Downloaded tokio v1.36.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 074d4763b3a6e33927de5f55f9003513735b59fe7873102b8fc346e675598c6b
[INFO] running `Command { std: "docker" "start" "-a" "074d4763b3a6e33927de5f55f9003513735b59fe7873102b8fc346e675598c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "074d4763b3a6e33927de5f55f9003513735b59fe7873102b8fc346e675598c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "074d4763b3a6e33927de5f55f9003513735b59fe7873102b8fc346e675598c6b", kill_on_drop: false }`
[INFO] [stdout] 074d4763b3a6e33927de5f55f9003513735b59fe7873102b8fc346e675598c6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3694573464a817b465bde2a537b0d2956ef54b87bccd3bf18df7f444b0ced7fe
[INFO] running `Command { std: "docker" "start" "-a" "3694573464a817b465bde2a537b0d2956ef54b87bccd3bf18df7f444b0ced7fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling socket2 v0.5.6
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tokio v1.36.0
[INFO] [stderr]    Compiling inotify v0.10.2
[INFO] [stderr]    Compiling fsmonitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `os`
[INFO] [stdout]  --> src/ok.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     os,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::File`
[INFO] [stdout]  --> src/main.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::{fs::File, sync::mpsc};
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/nok.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut child_process = Command::new(command)
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child_process`
[INFO] [stdout]  --> src/nok.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut child_process = Command::new(command)
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_child_process`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Watcher` is never constructed
[INFO] [stdout]   --> src/main.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Watcher<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `watch` is never used
[INFO] [stdout]   --> src/main.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a> Watcher<'a> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 16 |     async fn watch(self) {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/nok.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/ok.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.30s
[INFO] running `Command { std: "docker" "inspect" "3694573464a817b465bde2a537b0d2956ef54b87bccd3bf18df7f444b0ced7fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3694573464a817b465bde2a537b0d2956ef54b87bccd3bf18df7f444b0ced7fe", kill_on_drop: false }`
[INFO] [stdout] 3694573464a817b465bde2a537b0d2956ef54b87bccd3bf18df7f444b0ced7fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ebc7bb05893a9815a6866f58e150d7ffe10d7b7769e32cc5dcf0941752515bb
[INFO] running `Command { std: "docker" "start" "-a" "2ebc7bb05893a9815a6866f58e150d7ffe10d7b7769e32cc5dcf0941752515bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling fsmonitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `os`
[INFO] [stdout]  --> src/ok.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     os,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::File`
[INFO] [stdout]  --> src/main.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::{fs::File, sync::mpsc};
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/nok.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut child_process = Command::new(command)
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child_process`
[INFO] [stdout]  --> src/nok.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut child_process = Command::new(command)
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_child_process`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Watcher` is never constructed
[INFO] [stdout]   --> src/main.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Watcher<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `watch` is never used
[INFO] [stdout]   --> src/main.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a> Watcher<'a> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 16 |     async fn watch(self) {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/nok.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/ok.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "2ebc7bb05893a9815a6866f58e150d7ffe10d7b7769e32cc5dcf0941752515bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ebc7bb05893a9815a6866f58e150d7ffe10d7b7769e32cc5dcf0941752515bb", kill_on_drop: false }`
[INFO] [stdout] 2ebc7bb05893a9815a6866f58e150d7ffe10d7b7769e32cc5dcf0941752515bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 06e5c510ab71d540b8504d9503b4c9d48ba4ba8164e9968df8c9ed3f62ab0ec4
[INFO] running `Command { std: "docker" "start" "-a" "06e5c510ab71d540b8504d9503b4c9d48ba4ba8164e9968df8c9ed3f62ab0ec4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `os`
[INFO] [stderr]  --> src/ok.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     os,
[INFO] [stderr]   |     ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fs::File`
[INFO] [stderr]  --> src/main.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | use tokio::{fs::File, sync::mpsc};
[INFO] [stderr]   |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/nok.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut child_process = Command::new(command)
[INFO] [stderr]   |         ----^^^^^^^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `child_process`
[INFO] [stderr]  --> src/nok.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut child_process = Command::new(command)
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_child_process`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Watcher` is never constructed
[INFO] [stderr]   --> src/main.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Watcher<'a> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `watch` is never used
[INFO] [stderr]   --> src/main.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl<'a> Watcher<'a> {
[INFO] [stderr]    | -------------------- method in this implementation
[INFO] [stderr] 16 |     async fn watch(self) {
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]  --> src/nok.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn main() {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]  --> src/ok.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn main() {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fsmonitor` (bin "monitor" test) generated 8 warnings (run `cargo fix --bin "monitor" -p fsmonitor --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/monitor-420928b60d7facb3)
[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" "06e5c510ab71d540b8504d9503b4c9d48ba4ba8164e9968df8c9ed3f62ab0ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06e5c510ab71d540b8504d9503b4c9d48ba4ba8164e9968df8c9ed3f62ab0ec4", kill_on_drop: false }`
[INFO] [stdout] 06e5c510ab71d540b8504d9503b4c9d48ba4ba8164e9968df8c9ed3f62ab0ec4