[INFO] crate grideye 0.2.4 is already in cache
[INFO] testing grideye-0.2.4 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate grideye 0.2.4 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate grideye 0.2.4 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate grideye 0.2.4
[INFO] finished tweaking crates.io crate grideye 0.2.4
[INFO] tweaked toml for crates.io crate grideye 0.2.4 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 3a4dde84918fffcc020a32b13f2c11aab018bd062256aabf5cd6e83bc2143f6e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "3a4dde84918fffcc020a32b13f2c11aab018bd062256aabf5cd6e83bc2143f6e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling nb v0.1.2
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stderr]    Compiling grideye v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:116:47
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn get_framerate(&mut self) -> Result<(Framerate), Error<E>> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "3a4dde84918fffcc020a32b13f2c11aab018bd062256aabf5cd6e83bc2143f6e"`
[INFO] running `"docker" "rm" "-f" "3a4dde84918fffcc020a32b13f2c11aab018bd062256aabf5cd6e83bc2143f6e"`
[INFO] [stdout] 3a4dde84918fffcc020a32b13f2c11aab018bd062256aabf5cd6e83bc2143f6e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 063584e3e7ca2ff48691d477b876f4d4a66a1a74fbe41df58dd08dcb4b15b60b
[INFO] running `"docker" "start" "-a" "063584e3e7ca2ff48691d477b876f4d4a66a1a74fbe41df58dd08dcb4b15b60b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:116:47
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn get_framerate(&mut self) -> Result<(Framerate), Error<E>> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling spidev v0.3.0
[INFO] [stderr]    Compiling sysfs_gpio v0.5.4
[INFO] [stderr]    Compiling i2cdev v0.4.4
[INFO] [stderr]    Compiling linux-embedded-hal v0.2.2
[INFO] [stderr]    Compiling grideye v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `cortex_m`
[INFO] [stderr]  --> examples/stm32.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | extern crate cortex_m;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `grideye`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:116:47
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn get_framerate(&mut self) -> Result<(Framerate), Error<E>> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "063584e3e7ca2ff48691d477b876f4d4a66a1a74fbe41df58dd08dcb4b15b60b"`
[INFO] running `"docker" "rm" "-f" "063584e3e7ca2ff48691d477b876f4d4a66a1a74fbe41df58dd08dcb4b15b60b"`
[INFO] [stdout] 063584e3e7ca2ff48691d477b876f4d4a66a1a74fbe41df58dd08dcb4b15b60b