[INFO] fetching crate rustolio 0.1.0...
[INFO] building rustolio-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate rustolio 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rustolio 0.1.0
[INFO] finished tweaking crates.io crate rustolio 0.1.0
[INFO] tweaked toml for crates.io crate rustolio 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustolio 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustolio 0.1.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-tracing v2.1.0
[INFO] [stderr]   Downloaded matchit v0.8.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b9b8854f5861adcd463c65bfce60417e39633c66db91c8432f8f1f30dbbef9b
[INFO] running `Command { std: "docker" "start" "-a" "5b9b8854f5861adcd463c65bfce60417e39633c66db91c8432f8f1f30dbbef9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b9b8854f5861adcd463c65bfce60417e39633c66db91c8432f8f1f30dbbef9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b9b8854f5861adcd463c65bfce60417e39633c66db91c8432f8f1f30dbbef9b", kill_on_drop: false }`
[INFO] [stdout] 5b9b8854f5861adcd463c65bfce60417e39633c66db91c8432f8f1f30dbbef9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1e60a4dd41ed08ecc3859565fb4b1cc13b9e17d26d2251226b6988c72a5042c
[INFO] running `Command { std: "docker" "start" "-a" "c1e60a4dd41ed08ecc3859565fb4b1cc13b9e17d26d2251226b6988c72a5042c", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling wasm-bindgen v0.2.100
[INFO] [stderr]    Compiling matchit v0.8.6
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.100
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.100
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.100
[INFO] [stderr]    Compiling js-sys v0.3.77
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.7
[INFO] [stderr]    Compiling wasm-tracing v2.1.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.50
[INFO] [stderr]    Compiling web-sys v0.3.77
[INFO] [stderr]    Compiling serde-wasm-bindgen v0.6.5
[INFO] [stderr]    Compiling rustolio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/router/mod.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut current_route = signal(current_route);
[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: `id`
[INFO] [stdout]   --> src/hooks/signal/mod.rs:34:45
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub(crate) unsafe fn check_immutable_signal(id: usize) -> Result<(), &'static str> {
[INFO] [stdout]    |                                             ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.81s
[INFO] running `Command { std: "docker" "inspect" "c1e60a4dd41ed08ecc3859565fb4b1cc13b9e17d26d2251226b6988c72a5042c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e60a4dd41ed08ecc3859565fb4b1cc13b9e17d26d2251226b6988c72a5042c", kill_on_drop: false }`
[INFO] [stdout] c1e60a4dd41ed08ecc3859565fb4b1cc13b9e17d26d2251226b6988c72a5042c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba2a3d7041c16731a7adae674883dad86431b08757f2fd9444014bebe1672baf
[INFO] running `Command { std: "docker" "start" "-a" "ba2a3d7041c16731a7adae674883dad86431b08757f2fd9444014bebe1672baf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustolio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/router/mod.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut current_route = signal(current_route);
[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: `id`
[INFO] [stdout]   --> src/hooks/signal/mod.rs:34:45
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub(crate) unsafe fn check_immutable_signal(id: usize) -> Result<(), &'static str> {
[INFO] [stdout]    |                                             ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/hooks/signal/global.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/router/mod.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut current_route = signal(current_route);
[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: `id`
[INFO] [stdout]   --> src/hooks/signal/mod.rs:34:45
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub(crate) unsafe fn check_immutable_signal(id: usize) -> Result<(), &'static str> {
[INFO] [stdout]    |                                             ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "ba2a3d7041c16731a7adae674883dad86431b08757f2fd9444014bebe1672baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba2a3d7041c16731a7adae674883dad86431b08757f2fd9444014bebe1672baf", kill_on_drop: false }`
[INFO] [stdout] ba2a3d7041c16731a7adae674883dad86431b08757f2fd9444014bebe1672baf