[INFO] crate metro_m4 0.2.0 is already in cache [INFO] extracting crate metro_m4 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/metro_m4/0.2.0 [INFO] extracting crate metro_m4 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/metro_m4/0.2.0 [INFO] validating manifest of metro_m4-0.2.0 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of metro_m4-0.2.0 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing metro_m4-0.2.0 [INFO] removed 8 missing examples [INFO] finished frobbing metro_m4-0.2.0 [INFO] frobbed toml for metro_m4-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/metro_m4/0.2.0/Cargo.toml [INFO] started frobbing metro_m4-0.2.0 [INFO] removed 8 missing examples [INFO] finished frobbing metro_m4-0.2.0 [INFO] frobbed toml for metro_m4-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/metro_m4/0.2.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing metro_m4-0.2.0 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/metro_m4/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 60ee2e4a993aa36e3e28b9b484de025b6225068d777a7d5cd43e2135afa6068a [INFO] running `"docker" "start" "-a" "60ee2e4a993aa36e3e28b9b484de025b6225068d777a7d5cd43e2135afa6068a"` [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/crater/workdir/examples/spi.rs [INFO] [stderr] * /opt/crater/workdir/examples/timer.rs [INFO] [stderr] * /opt/crater/workdir/examples/neopixel_rainbow.rs [INFO] [stderr] * /opt/crater/workdir/examples/serial.rs [INFO] [stderr] * /opt/crater/workdir/examples/clock_out.rs [INFO] [stderr] * /opt/crater/workdir/examples/neopixel_blink.rs [INFO] [stderr] * /opt/crater/workdir/examples/blinky_basic.rs [INFO] [stderr] * /opt/crater/workdir/examples/pwm.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 typenum v1.10.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro2 v1.0.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling syn v1.0.3 [INFO] [stderr] Compiling vcell v0.1.0 [INFO] [stderr] Compiling cortex-m v0.6.1 [INFO] [stderr] Compiling cortex-m-rt v0.6.10 [INFO] [stderr] Compiling cortex-m v0.5.10 [INFO] [stderr] Compiling r0 v0.2.2 [INFO] [stderr] Compiling aligned v0.2.0 [INFO] [stderr] Compiling atsamd51j19a v0.4.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling nb v0.1.2 [INFO] [stderr] Compiling bitfield v0.13.2 [INFO] [stderr] Compiling metro_m4 v0.2.0 (/opt/crater/workdir) [INFO] [stderr] Compiling volatile-register v0.2.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling embedded-hal v0.2.3 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling bare-metal v0.2.4 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling as-slice v0.1.0 [INFO] [stderr] Compiling aligned v0.3.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.9 [INFO] [stderr] Compiling paste-impl v0.1.6 [INFO] [stderr] Compiling paste v0.1.6 [INFO] [stderr] Compiling cortex-m-rt-macros v0.1.5 [INFO] [stderr] Compiling atsamd-hal v0.5.0 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 31s [INFO] running `"docker" "inspect" "60ee2e4a993aa36e3e28b9b484de025b6225068d777a7d5cd43e2135afa6068a"` [INFO] running `"docker" "rm" "-f" "60ee2e4a993aa36e3e28b9b484de025b6225068d777a7d5cd43e2135afa6068a"` [INFO] [stdout] 60ee2e4a993aa36e3e28b9b484de025b6225068d777a7d5cd43e2135afa6068a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/metro_m4/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 9ea9d2b032a5a540363b1bbc610cd91477d3155195e5cb72b047feae9ecb3e11 [INFO] running `"docker" "start" "-a" "9ea9d2b032a5a540363b1bbc610cd91477d3155195e5cb72b047feae9ecb3e11"` [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/crater/workdir/examples/spi.rs [INFO] [stderr] * /opt/crater/workdir/examples/timer.rs [INFO] [stderr] * /opt/crater/workdir/examples/neopixel_rainbow.rs [INFO] [stderr] * /opt/crater/workdir/examples/serial.rs [INFO] [stderr] * /opt/crater/workdir/examples/clock_out.rs [INFO] [stderr] * /opt/crater/workdir/examples/neopixel_blink.rs [INFO] [stderr] * /opt/crater/workdir/examples/blinky_basic.rs [INFO] [stderr] * /opt/crater/workdir/examples/pwm.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 cortex-m-semihosting v0.3.4 [INFO] [stderr] Compiling heapless v0.4.4 [INFO] [stderr] Compiling rgb v0.8.14 [INFO] [stderr] Compiling cortex-m-rtfm v0.4.3 [INFO] [stderr] Compiling jlink_rtt v0.1.0 [INFO] [stderr] Compiling panic-halt v0.2.0 [INFO] [stderr] Compiling 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] Compiling panic_rtt v0.2.0 [INFO] [stderr] Compiling smart-leds-trait v0.1.1 [INFO] [stderr] Compiling ws2812-timer-delay v0.1.0 [INFO] [stderr] Compiling smart-leds v0.1.0 [INFO] [stderr] Compiling panic-semihosting v0.5.2 [INFO] [stderr] Compiling hash32 v0.1.0 [INFO] [stderr] Compiling owned-singleton v0.1.0 [INFO] [stderr] Compiling metro_m4 v0.2.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.73s [INFO] running `"docker" "inspect" "9ea9d2b032a5a540363b1bbc610cd91477d3155195e5cb72b047feae9ecb3e11"` [INFO] running `"docker" "rm" "-f" "9ea9d2b032a5a540363b1bbc610cd91477d3155195e5cb72b047feae9ecb3e11"` [INFO] [stdout] 9ea9d2b032a5a540363b1bbc610cd91477d3155195e5cb72b047feae9ecb3e11 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/metro_m4/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 5d8c363e86eb2a346732b587d7a430548a002da43949a05b788da9cf4dbb733b [INFO] running `"docker" "start" "-a" "5d8c363e86eb2a346732b587d7a430548a002da43949a05b788da9cf4dbb733b"` [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/crater/workdir/examples/spi.rs [INFO] [stderr] * /opt/crater/workdir/examples/timer.rs [INFO] [stderr] * /opt/crater/workdir/examples/neopixel_rainbow.rs [INFO] [stderr] * /opt/crater/workdir/examples/serial.rs [INFO] [stderr] * /opt/crater/workdir/examples/clock_out.rs [INFO] [stderr] * /opt/crater/workdir/examples/neopixel_blink.rs [INFO] [stderr] * /opt/crater/workdir/examples/blinky_basic.rs [INFO] [stderr] * /opt/crater/workdir/examples/pwm.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] Finished dev [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/crater/target/debug/deps/metro_m4-d0d53e3e1a990c0b [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests metro_m4 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "5d8c363e86eb2a346732b587d7a430548a002da43949a05b788da9cf4dbb733b"` [INFO] running `"docker" "rm" "-f" "5d8c363e86eb2a346732b587d7a430548a002da43949a05b788da9cf4dbb733b"` [INFO] [stdout] 5d8c363e86eb2a346732b587d7a430548a002da43949a05b788da9cf4dbb733b