[INFO] cloning repository https://github.com/stuartwk/yew-midi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stuartwk/yew-midi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstuartwk%2Fyew-midi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstuartwk%2Fyew-midi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e9ae2d6003096599cdc4dbe2ef0ae42f86b080f
[INFO] checking stuartwk/yew-midi against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstuartwk%2Fyew-midi" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stuartwk/yew-midi on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stuartwk/yew-midi
[INFO] finished tweaking git repo https://github.com/stuartwk/yew-midi
[INFO] tweaked toml for git repo https://github.com/stuartwk/yew-midi written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/stuartwk/yew-midi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b979d5cb7a428116efe06db76e51d8b256056995596b07811d5584958386edb
[INFO] running `Command { std: "docker" "start" "-a" "6b979d5cb7a428116efe06db76e51d8b256056995596b07811d5584958386edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b979d5cb7a428116efe06db76e51d8b256056995596b07811d5584958386edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b979d5cb7a428116efe06db76e51d8b256056995596b07811d5584958386edb", kill_on_drop: false }`
[INFO] [stdout] 6b979d5cb7a428116efe06db76e51d8b256056995596b07811d5584958386edb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a934661fa14f2b23775ed96e6411990bd52aa212f00e9c1febca442f57c40700
[INFO] running `Command { std: "docker" "start" "-a" "a934661fa14f2b23775ed96e6411990bd52aa212f00e9c1febca442f57c40700", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.74
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling wasm-bindgen v0.2.74
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling yew v0.18.0
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking cfg-match v0.2.1
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling yew-router-route-parser v0.15.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.74
[INFO] [stderr]     Checking alsa v0.4.3
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.74
[INFO] [stderr]     Checking midir v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling yew-macro v0.18.0
[INFO] [stderr]    Compiling yew-router-macro v0.15.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.74
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking js-sys v0.3.51
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking web-sys v0.3.51
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.24
[INFO] [stderr]     Checking gloo-events v0.1.1
[INFO] [stderr]     Checking gloo-console-timer v0.1.0
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking wasm-logger v0.2.0
[INFO] [stderr]     Checking gloo-file v0.1.0
[INFO] [stderr]     Checking gloo v0.2.1
[INFO] [stderr]     Checking yew-router v0.15.0
[INFO] [stderr]     Checking yewtil v0.4.0
[INFO] [stderr]     Checking yewdux v0.6.2
[INFO] [stderr]     Checking midi_link_web v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `callback`
[INFO] [stdout]    --> src/main.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |             let callback = self
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_callback`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `callback`
[INFO] [stdout]    --> src/main.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |             let callback = self
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_callback`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `midi_closure`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     midi_closure: Option<Closure<dyn FnMut()>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `midi_closure`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     midi_closure: Option<Closure<dyn FnMut()>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "a934661fa14f2b23775ed96e6411990bd52aa212f00e9c1febca442f57c40700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a934661fa14f2b23775ed96e6411990bd52aa212f00e9c1febca442f57c40700", kill_on_drop: false }`
[INFO] [stdout] a934661fa14f2b23775ed96e6411990bd52aa212f00e9c1febca442f57c40700