[INFO] fetching crate nikau 0.3.2...
[INFO] checking nikau-0.3.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate nikau 0.3.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate nikau 0.3.2 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nikau 0.3.2
[INFO] finished tweaking crates.io crate nikau 0.3.2
[INFO] tweaked toml for crates.io crate nikau 0.3.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate nikau 0.3.2 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded macaddr v1.0.1
[INFO] [stderr]   Downloaded usb-gadget v0.7.2
[INFO] [stderr]   Downloaded nonblock v0.2.0
[INFO] [stderr]   Downloaded partition-identity v0.3.0
[INFO] [stderr]   Downloaded proc-mounts v0.3.0
[INFO] [stderr]   Downloaded rcgen v0.13.1
[INFO] [stderr]   Downloaded evdev v0.12.2
[INFO] [stderr]   Downloaded zip v2.1.5
[INFO] [stderr]   Downloaded x11rb-async v0.13.1
[INFO] [stderr]   Downloaded aws-lc-sys v0.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25b4716224dc8b4b94ad5d79ae652d592c7a31a63a86998b55aec00d67146576
[INFO] running `Command { std: "docker" "start" "-a" "25b4716224dc8b4b94ad5d79ae652d592c7a31a63a86998b55aec00d67146576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25b4716224dc8b4b94ad5d79ae652d592c7a31a63a86998b55aec00d67146576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b4716224dc8b4b94ad5d79ae652d592c7a31a63a86998b55aec00d67146576", kill_on_drop: false }`
[INFO] [stdout] 25b4716224dc8b4b94ad5d79ae652d592c7a31a63a86998b55aec00d67146576
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59e4460354f9f174bfedebbff78fd699ca6393f8bb34ecd6830fead95b61db28
[INFO] running `Command { std: "docker" "start" "-a" "59e4460354f9f174bfedebbff78fd699ca6393f8bb34ecd6830fead95b61db28", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
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[INFO] [stderr]     Checking evdev v0.12.2
[INFO] [stderr]     Checking x11rb-async v0.13.1
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]     Checking usb-gadget v0.7.2
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[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]     Checking bit-vec v0.8.0
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[INFO] [stderr]     Checking postcard v1.0.8
[INFO] [stderr]    Compiling aws-lc-rs v1.8.1
[INFO] [stderr]     Checking rustls-webpki v0.102.6
[INFO] [stderr]     Checking rustls-platform-verifier v0.3.2
[INFO] [stderr]     Checking quinn-proto v0.11.3
[INFO] [stderr]     Checking quinn v0.11.2
[INFO] [stderr]     Checking nikau v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/x11clipboard/shared.rs:120:16
[INFO] [stdout]     |
[INFO] [stdout] 120 |             if let Err(e) = drive.await {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/x11clipboard/shared.rs:120:16
[INFO] [stdout]     |
[INFO] [stdout] 120 |             if let Err(e) = drive.await {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "59e4460354f9f174bfedebbff78fd699ca6393f8bb34ecd6830fead95b61db28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e4460354f9f174bfedebbff78fd699ca6393f8bb34ecd6830fead95b61db28", kill_on_drop: false }`
[INFO] [stdout] 59e4460354f9f174bfedebbff78fd699ca6393f8bb34ecd6830fead95b61db28