[INFO] fetching crate spair 0.0.4...
[INFO] checking spair-0.0.4 against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] extracting crate spair 0.0.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate spair 0.0.4 on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spair 0.0.4
[INFO] finished tweaking crates.io crate spair 0.0.4
[INFO] tweaked toml for crates.io crate spair 0.0.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc14bb663d1f8c28bb49ec1f70165e581da4859fed8f38b52a9fa1e2043ce4e2
[INFO] running `Command { std: "docker" "start" "-a" "fc14bb663d1f8c28bb49ec1f70165e581da4859fed8f38b52a9fa1e2043ce4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc14bb663d1f8c28bb49ec1f70165e581da4859fed8f38b52a9fa1e2043ce4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc14bb663d1f8c28bb49ec1f70165e581da4859fed8f38b52a9fa1e2043ce4e2", kill_on_drop: false }`
[INFO] [stdout] fc14bb663d1f8c28bb49ec1f70165e581da4859fed8f38b52a9fa1e2043ce4e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f26234215ea4933d098829eb8e5284977fe6fe45b951250f901ad0e93d8ee98
[INFO] running `Command { std: "docker" "start" "-a" "2f26234215ea4933d098829eb8e5284977fe6fe45b951250f901ad0e93d8ee98", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen v0.2.74
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.24
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.74
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.74
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.74
[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 wasm-bindgen-test v0.3.24
[INFO] [stderr]     Checking wasm-logger v0.2.0
[INFO] [stderr]     Checking spair v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `router`
[INFO] [stdout]   --> src/component.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     router: Option<crate::routing::Router>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `router`
[INFO] [stdout]   --> src/component.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     router: Option<crate::routing::Router>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.20s
[INFO] running `Command { std: "docker" "inspect" "2f26234215ea4933d098829eb8e5284977fe6fe45b951250f901ad0e93d8ee98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f26234215ea4933d098829eb8e5284977fe6fe45b951250f901ad0e93d8ee98", kill_on_drop: false }`
[INFO] [stdout] 2f26234215ea4933d098829eb8e5284977fe6fe45b951250f901ad0e93d8ee98