[INFO] fetching crate lpc55-hal 0.3.0...
[INFO] testing lpc55-hal-0.3.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate lpc55-hal 0.3.0 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate lpc55-hal 0.3.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-108/source/.cargo/config
[INFO] started tweaking crates.io crate lpc55-hal 0.3.0
[INFO] finished tweaking crates.io crate lpc55-hal 0.3.0
[INFO] tweaked toml for crates.io crate lpc55-hal 0.3.0 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate crates.io crate lpc55-hal 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f757ae2c1298fc2b2d8007f5880035abfae45491a288740383f0d75cc0193694
[INFO] running `Command { std: "docker" "start" "-a" "f757ae2c1298fc2b2d8007f5880035abfae45491a288740383f0d75cc0193694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f757ae2c1298fc2b2d8007f5880035abfae45491a288740383f0d75cc0193694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f757ae2c1298fc2b2d8007f5880035abfae45491a288740383f0d75cc0193694", kill_on_drop: false }`
[INFO] [stdout] f757ae2c1298fc2b2d8007f5880035abfae45491a288740383f0d75cc0193694
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bb08d93e3ef9cb0e7c7bcd12508b8eb81482e8245ae15812e0f987c12d0a43e
[INFO] running `Command { std: "docker" "start" "-a" "4bb08d93e3ef9cb0e7c7bcd12508b8eb81482e8245ae15812e0f987c12d0a43e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling cortex-m v0.7.2
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling cortex-m-rt v0.6.14
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling lpc55-pac v0.4.0
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling lpc55-hal v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling usb-device v0.2.8
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling embedded-time v0.12.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr] error: could not compile `lpc55-pac`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name lpc55_pac --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lpc55-pac-0.4.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="cortex-m-rt"' --cfg 'feature="rt"' -C metadata=cd8c5f689f9b78ea -C extra-filename=-cd8c5f689f9b78ea --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-3e1f1c4610ce3ba4.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-c4a379c47116627d.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-1e9b370901327104.rmeta --cap-lints allow --cap-lints=forbid -L /opt/rustwide/target/debug/build/lpc55-pac-32632c2906dafad9/out -L /opt/rustwide/target/debug/build/cortex-m-rt-a5036c684de16d82/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/peripherals/rng.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     id: u16,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `maj_rev`
[INFO] [stdout]   --> src/peripherals/rng.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     maj_rev: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `min_rev`
[INFO] [stdout]   --> src/peripherals/rng.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     min_rev: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `aperture`
[INFO] [stdout]   --> src/peripherals/rng.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     aperture: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `maj_rev`
[INFO] [stdout]    --> src/peripherals/usbfs.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     maj_rev: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `min_rev`
[INFO] [stdout]    --> src/peripherals/usbfs.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     min_rev: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `err_code`
[INFO] [stdout]    --> src/peripherals/usbfs.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     err_code: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `frame_nr`
[INFO] [stdout]    --> src/peripherals/usbfs.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     frame_nr: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `maj_rev`
[INFO] [stdout]    --> src/peripherals/usbhs.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     maj_rev: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `min_rev`
[INFO] [stdout]    --> src/peripherals/usbhs.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     min_rev: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `err_code`
[INFO] [stdout]    --> src/peripherals/usbhs.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     err_code: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `frame_nr`
[INFO] [stdout]    --> src/peripherals/usbhs.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     frame_nr: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4bb08d93e3ef9cb0e7c7bcd12508b8eb81482e8245ae15812e0f987c12d0a43e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bb08d93e3ef9cb0e7c7bcd12508b8eb81482e8245ae15812e0f987c12d0a43e", kill_on_drop: false }`
[INFO] [stdout] 4bb08d93e3ef9cb0e7c7bcd12508b8eb81482e8245ae15812e0f987c12d0a43e