[INFO] fetching crate kincaid 0.2.4...
[INFO] checking kincaid-0.2.4 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate kincaid 0.2.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate kincaid 0.2.4 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kincaid 0.2.4
[INFO] finished tweaking crates.io crate kincaid 0.2.4
[INFO] tweaked toml for crates.io crate kincaid 0.2.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24f18c7aef19396f4dfbca089a3c9ed4b11b7f70381f0eb3d3ca4e6c1c6bcbd2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "24f18c7aef19396f4dfbca089a3c9ed4b11b7f70381f0eb3d3ca4e6c1c6bcbd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24f18c7aef19396f4dfbca089a3c9ed4b11b7f70381f0eb3d3ca4e6c1c6bcbd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24f18c7aef19396f4dfbca089a3c9ed4b11b7f70381f0eb3d3ca4e6c1c6bcbd2", kill_on_drop: false }`
[INFO] [stdout] 24f18c7aef19396f4dfbca089a3c9ed4b11b7f70381f0eb3d3ca4e6c1c6bcbd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19b65e9836b737075e26c467a9d854185ecaf3eeac825a86d6e896b36c75aaea
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "19b65e9836b737075e26c467a9d854185ecaf3eeac825a86d6e896b36c75aaea", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling wasm-bindgen v0.2.68
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.18
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.68
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.68
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking js-sys v0.3.45
[INFO] [stderr]     Checking kincaid v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `set_panic_hook`
[INFO] [stdout]  --> src/utils.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn set_panic_hook() {
[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]     Checking wasm-bindgen-futures v0.4.18
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.18
[INFO] [stdout] warning: function is never used: `set_panic_hook`
[INFO] [stdout]  --> src/utils.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn set_panic_hook() {
[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 34.81s
[INFO] running `Command { std: "docker" "inspect" "19b65e9836b737075e26c467a9d854185ecaf3eeac825a86d6e896b36c75aaea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19b65e9836b737075e26c467a9d854185ecaf3eeac825a86d6e896b36c75aaea", kill_on_drop: false }`
[INFO] [stdout] 19b65e9836b737075e26c467a9d854185ecaf3eeac825a86d6e896b36c75aaea