[INFO] cloning repository https://github.com/zianksm/rust-simple-plugin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zianksm/rust-simple-plugin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzianksm%2Frust-simple-plugin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzianksm%2Frust-simple-plugin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87d3fe3f01cd28e8f8744b5b6142bb1da8c38140
[INFO] testing zianksm/rust-simple-plugin against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzianksm%2Frust-simple-plugin" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zianksm/rust-simple-plugin
[INFO] finished tweaking git repo https://github.com/zianksm/rust-simple-plugin
[INFO] tweaked toml for git repo https://github.com/zianksm/rust-simple-plugin written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zianksm/rust-simple-plugin on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zianksm/rust-simple-plugin 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.21
[INFO] [stderr]   Downloaded libloading v0.8.0
[INFO] [stderr]   Downloaded walkdir v2.3.3
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.15
[INFO] [stderr]   Downloaded libc v0.2.142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88f9c2322b2d1f21961e0e1c57bbb2fc70a3d1a0cf2a1260b14ff13787ee4c75
[INFO] running `Command { std: "docker" "start" "-a" "88f9c2322b2d1f21961e0e1c57bbb2fc70a3d1a0cf2a1260b14ff13787ee4c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88f9c2322b2d1f21961e0e1c57bbb2fc70a3d1a0cf2a1260b14ff13787ee4c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f9c2322b2d1f21961e0e1c57bbb2fc70a3d1a0cf2a1260b14ff13787ee4c75", kill_on_drop: false }`
[INFO] [stdout] 88f9c2322b2d1f21961e0e1c57bbb2fc70a3d1a0cf2a1260b14ff13787ee4c75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b788381e32a33e8fc1a280d78ea2a61d5c8ccbbdb5199ba68d54554e414a49d
[INFO] running `Command { std: "docker" "start" "-a" "2b788381e32a33e8fc1a280d78ea2a61d5c8ccbbdb5199ba68d54554e414a49d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling libloading v0.8.0
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling filetime v0.2.21
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling notify v5.1.0
[INFO] [stderr]    Compiling rust-reflection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::os::windows`
[INFO] [stdout]  --> src/compiler.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     os::windows::thread,
[INFO] [stdout]   |         ^^^^^^^ could not find `windows` in `os`
[INFO] [stdout]   |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]  --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/os/mod.rs:56:4
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item is gated here
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]  --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/os/mod.rs:120:9
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item is gated here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `notify::ReadDirectoryChangesWatcher`
[INFO] [stdout]    --> src/watcher.rs:10:21
[INFO] [stdout]     |
[INFO] [stdout]  10 | use notify::{Event, ReadDirectoryChangesWatcher, RecursiveMode, Watcher};
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ReadDirectoryChangesWatcher` in the root
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing this variant instead:
[INFO] [stdout]             notify::WatcherKind::ReadDirectoryChangesWatcher
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/notify-5.1.0/src/lib.rs:200:18
[INFO] [stdout]     |
[INFO] [stdout] 199 | #[cfg(target_os = "windows")]
[INFO] [stdout]     |       --------------------- the item is gated behind the `windows` feature
[INFO] [stdout] 200 | pub use windows::ReadDirectoryChangesWatcher;
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `channel`
[INFO] [stdout]  --> src/compiler.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 |     sync::mpsc::{channel, Receiver, Sender},
[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: `channel`
[INFO] [stdout]  --> src/watcher.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |         mpsc::{channel, Sender},
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path::Path`
[INFO] [stdout]  --> src/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{path::Path, sync::mpsc::channel};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libloading::Symbol`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use libloading::Symbol;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RecursiveMode`
[INFO] [stdout]  --> src/main.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | use notify::{RecursiveMode, Result, Watcher};
[INFO] [stdout]   |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     loop {}
[INFO] [stdout]    |     ------- any code following this expression is unreachable
[INFO] [stdout] 27 |
[INFO] [stdout] 28 |     Ok(())
[INFO] [stdout]    |     ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Watcher`
[INFO] [stdout]  --> src/main.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | use notify::{RecursiveMode, Result, Watcher};
[INFO] [stdout]   |                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut compiler = compiler::Compiler::new(plugin_dir.clone(), compiler_rx,loader_tx.clone());
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut loader  = loader::Loader::new(plugin_dir.clone(),loader_rx);
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-reflection` (bin "rust-reflection") due to 2 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2b788381e32a33e8fc1a280d78ea2a61d5c8ccbbdb5199ba68d54554e414a49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b788381e32a33e8fc1a280d78ea2a61d5c8ccbbdb5199ba68d54554e414a49d", kill_on_drop: false }`
[INFO] [stdout] 2b788381e32a33e8fc1a280d78ea2a61d5c8ccbbdb5199ba68d54554e414a49d