[INFO] cloning repository https://github.com/tandres/usb-compass
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tandres/usb-compass" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftandres%2Fusb-compass", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftandres%2Fusb-compass'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d59c4eebfaba809922f3ad475738d1ee58a756ff
[INFO] testing tandres/usb-compass against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftandres%2Fusb-compass" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tandres/usb-compass 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] started tweaking git repo https://github.com/tandres/usb-compass
[INFO] finished tweaking git repo https://github.com/tandres/usb-compass
[INFO] tweaked toml for git repo https://github.com/tandres/usb-compass written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/tandres/usb-compass 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-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40db9b803dc877e808742520290e40727b7cec30d10f862b2412d736de6689f3
[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" "40db9b803dc877e808742520290e40727b7cec30d10f862b2412d736de6689f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40db9b803dc877e808742520290e40727b7cec30d10f862b2412d736de6689f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40db9b803dc877e808742520290e40727b7cec30d10f862b2412d736de6689f3", kill_on_drop: false }`
[INFO] [stdout] 40db9b803dc877e808742520290e40727b7cec30d10f862b2412d736de6689f3
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84348ff66c25eba69150219fb1ee5b3fd0a4fb8cf1c9c9ba178203f9e66c622f
[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" "84348ff66c25eba69150219fb1ee5b3fd0a4fb8cf1c9c9ba178203f9e66c622f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]    Compiling camino v1.0.4
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling cortex-m-rt v0.6.14
[INFO] [stderr]    Compiling stm32-usbd v0.6.0
[INFO] [stderr]    Compiling slice-group-by v0.2.6
[INFO] [stderr]    Compiling stm32f3 v0.13.2
[INFO] [stderr]    Compiling usb-device v0.2.8
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling serial-line-ip v0.5.0
[INFO] [stderr]    Compiling stm32f3-discovery v0.7.2
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling rusb v0.8.1
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling board v0.1.0 (/opt/rustwide/workdir/board)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling sharded-slab v0.1.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling hexasphere v3.4.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling embedded-dma v0.1.2
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling ash v0.31.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling embedded-hal v0.2.5
[INFO] [stderr]    Compiling ab_glyph v0.2.11
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling stretch v0.3.2
[INFO] [stderr]    Compiling switch-hal v0.4.0
[INFO] [stderr]    Compiling usbd-serial v0.1.1
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.1
[INFO] [stderr]    Compiling wgpu-types v0.7.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling generic-array v0.11.2
[INFO] [stderr]    Compiling spirv_headers v1.5.0
[INFO] [stderr]    Compiling euclid v0.22.6
[INFO] [stderr]    Compiling approx v0.5.0
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling micromath v1.1.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling nix v0.20.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling khronos-egl v3.0.2
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling glyph_brush_layout v0.2.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling bevy_tasks v0.5.0
[INFO] [stderr]    Compiling accelerometer v0.12.0
[INFO] [stderr]    Compiling inotify v0.9.3
[INFO] [stderr]    Compiling aligned v0.3.4
[INFO] [stderr]    Compiling guillotiere v0.6.2
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling lsm303dlhc v0.2.0
[INFO] [stderr]    Compiling spirv-reflect v0.2.3
[INFO] [stderr]    Compiling spirv_cross v0.23.1
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling libusb1-sys v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling notify v5.0.0-pre.10
[INFO] [stderr]    Compiling panic-semihosting v0.5.6
[INFO] [stderr]    Compiling rtcc v0.2.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling embedded-time v0.12.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.65/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=ffefc4ca998dc27e -C extra-filename=-ffefc4ca998dc27e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c22f143857bd0eb1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b999afa71eb18cfa.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "84348ff66c25eba69150219fb1ee5b3fd0a4fb8cf1c9c9ba178203f9e66c622f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84348ff66c25eba69150219fb1ee5b3fd0a4fb8cf1c9c9ba178203f9e66c622f", kill_on_drop: false }`
[INFO] [stdout] 84348ff66c25eba69150219fb1ee5b3fd0a4fb8cf1c9c9ba178203f9e66c622f