[INFO] fetching crate neo_trinkey 0.2.0...
[INFO] checking neo_trinkey-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate neo_trinkey 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate neo_trinkey 0.2.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate neo_trinkey 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate neo_trinkey 0.2.0
[INFO] tweaked toml for crates.io crate neo_trinkey 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate neo_trinkey 0.2.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smart-leds v0.3.0
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] [stderr]   Downloaded seq-macro v0.2.2
[INFO] [stderr]   Downloaded atsamd21e v0.11.0
[INFO] [stderr]   Downloaded atsamd-hal v0.14.0
[INFO] [stderr]   Downloaded cortex-m v0.7.4
[INFO] [stderr]   Downloaded smart-leds-trait v0.2.1
[INFO] [stderr]   Downloaded ws2812-timer-delay v0.3.0
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded volatile-register v0.2.1
[INFO] [stderr]   Downloaded usbd-serial v0.1.1
[INFO] [stderr]   Downloaded bytemuck v1.7.3
[INFO] [stderr]   Downloaded usb-device v0.2.8
[INFO] [stderr]   Downloaded rgb v0.8.31
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.1
[INFO] [stderr]   Downloaded paste v1.0.6
[INFO] [stderr]   Downloaded embedded-hal v0.2.6
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91d8b0baf30f5aeb10ee17bf8b6d9e16e4d68b83595cbc4f4f0999549530ff32
[INFO] running `Command { std: "docker" "start" "-a" "91d8b0baf30f5aeb10ee17bf8b6d9e16e4d68b83595cbc4f4f0999549530ff32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91d8b0baf30f5aeb10ee17bf8b6d9e16e4d68b83595cbc4f4f0999549530ff32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d8b0baf30f5aeb10ee17bf8b6d9e16e4d68b83595cbc4f4f0999549530ff32", kill_on_drop: false }`
[INFO] [stdout] 91d8b0baf30f5aeb10ee17bf8b6d9e16e4d68b83595cbc4f4f0999549530ff32
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eacf7c2e6af74f6dad52bcc599da66adf306601419f3e0914ac3c5fae05bf800
[INFO] running `Command { std: "docker" "start" "-a" "eacf7c2e6af74f6dad52bcc599da66adf306601419f3e0914ac3c5fae05bf800", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling cortex-m-rt v0.7.1
[INFO] [stderr]    Compiling cortex-m v0.7.4
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling atsamd21e v0.11.0
[INFO] [stderr]    Compiling seq-macro v0.2.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.6
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking replace_with v0.1.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling neo_trinkey v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking usb-device v0.2.8
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking usbd-serial v0.1.1
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]     Checking modular-bitfield v0.11.2
[INFO] [stderr]     Checking atsamd-hal v0.14.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.35s
[INFO] running `Command { std: "docker" "inspect" "eacf7c2e6af74f6dad52bcc599da66adf306601419f3e0914ac3c5fae05bf800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eacf7c2e6af74f6dad52bcc599da66adf306601419f3e0914ac3c5fae05bf800", kill_on_drop: false }`
[INFO] [stdout] eacf7c2e6af74f6dad52bcc599da66adf306601419f3e0914ac3c5fae05bf800