[INFO] crate metro_m4 0.4.0 is already in cache [INFO] checking metro_m4-0.4.0 against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389 [INFO] extracting crate metro_m4 0.4.0 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate metro_m4 0.4.0 on toolchain b61e69433951e31f7bd746e22f516a48ad41623b [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate metro_m4 0.4.0 [INFO] removed 10 missing examples [INFO] finished tweaking crates.io crate metro_m4 0.4.0 [INFO] tweaked toml for crates.io crate metro_m4 0.4.0 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate crates.io crate metro_m4 0.4.0 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other example targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a example target: [INFO] [stderr] [INFO] [stderr] * /workspace/builds/worker-13/source/examples/pwm.rs [INFO] [stderr] * /workspace/builds/worker-13/source/examples/spi.rs [INFO] [stderr] * /workspace/builds/worker-13/source/examples/trng.rs [INFO] [stderr] * /workspace/builds/worker-13/source/examples/blinky_basic.rs [INFO] [stderr] * /workspace/builds/worker-13/source/examples/timer.rs [INFO] [stderr] * /workspace/builds/worker-13/source/examples/clock_out.rs [INFO] [stderr] * /workspace/builds/worker-13/source/examples/neopixel_rainbow.rs [INFO] [stderr] * /workspace/builds/worker-13/source/examples/neopixel_blink.rs [INFO] [stderr] * /workspace/builds/worker-13/source/examples/serial.rs [INFO] [stderr] * /workspace/builds/worker-13/source/examples/adc.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a example target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autoexamples = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 10cc7dfdf2765b1a0afd452e84cab34abc93bad3356db6a1fcf0f7385c87c605 [INFO] running `"docker" "start" "-a" "10cc7dfdf2765b1a0afd452e84cab34abc93bad3356db6a1fcf0f7385c87c605"` [INFO] [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other example targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a example target: [INFO] [stderr] [INFO] [stderr] * /opt/rustwide/workdir/examples/pwm.rs [INFO] [stderr] * /opt/rustwide/workdir/examples/spi.rs [INFO] [stderr] * /opt/rustwide/workdir/examples/trng.rs [INFO] [stderr] * /opt/rustwide/workdir/examples/blinky_basic.rs [INFO] [stderr] * /opt/rustwide/workdir/examples/timer.rs [INFO] [stderr] * /opt/rustwide/workdir/examples/clock_out.rs [INFO] [stderr] * /opt/rustwide/workdir/examples/neopixel_rainbow.rs [INFO] [stderr] * /opt/rustwide/workdir/examples/neopixel_blink.rs [INFO] [stderr] * /opt/rustwide/workdir/examples/serial.rs [INFO] [stderr] * /opt/rustwide/workdir/examples/adc.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a example target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autoexamples = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling atsamd51j19a v0.6.0 [INFO] [stderr] Compiling cortex-m v0.5.10 [INFO] [stderr] Compiling heapless v0.4.4 [INFO] [stderr] Checking rgb v0.8.14 [INFO] [stderr] Checking aligned v0.2.0 [INFO] [stderr] Compiling metro_m4 v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling cortex-m-rtfm v0.4.3 [INFO] [stderr] Checking jlink_rtt v0.1.0 [INFO] [stderr] Checking generic-array v0.11.1 [INFO] [stderr] Compiling owned-singleton-macros v0.1.0 [INFO] [stderr] Compiling cortex-m-rtfm-macros v0.4.3 [INFO] [stderr] Checking panic-semihosting v0.5.3 [INFO] [stderr] Checking smart-leds-trait v0.1.1 [INFO] [stderr] Checking smart-leds v0.1.0 [INFO] [stderr] Checking ws2812-timer-delay v0.1.0 [INFO] [stderr] Checking panic_rtt v0.2.0 [INFO] [stderr] Checking hash32 v0.1.0 [INFO] [stderr] Checking owned-singleton v0.1.0 [INFO] [stderr] Checking atsamd-hal v0.7.0 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 52.22s [INFO] running `"docker" "inspect" "10cc7dfdf2765b1a0afd452e84cab34abc93bad3356db6a1fcf0f7385c87c605"` [INFO] running `"docker" "rm" "-f" "10cc7dfdf2765b1a0afd452e84cab34abc93bad3356db6a1fcf0f7385c87c605"` [INFO] [stdout] 10cc7dfdf2765b1a0afd452e84cab34abc93bad3356db6a1fcf0f7385c87c605