[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 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 6900db33ec0c8af1c91d455b2ba8b34f04d679ed770f30fade63eb4692fcb88c [INFO] running `"docker" "start" "-a" "6900db33ec0c8af1c91d455b2ba8b34f04d679ed770f30fade63eb4692fcb88c"` [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 atsamd51j19a v0.4.0 [INFO] [stderr] Compiling metro_m4 v0.2.0 (/opt/crater/workdir) [INFO] [stderr] Compiling atsamd-hal v0.5.0 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 53.08s [INFO] running `"docker" "inspect" "6900db33ec0c8af1c91d455b2ba8b34f04d679ed770f30fade63eb4692fcb88c"` [INFO] running `"docker" "rm" "-f" "6900db33ec0c8af1c91d455b2ba8b34f04d679ed770f30fade63eb4692fcb88c"` [INFO] [stdout] 6900db33ec0c8af1c91d455b2ba8b34f04d679ed770f30fade63eb4692fcb88c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 7f4e1169f350dae00d9166589ccae6db8ef6014387bb61664627b9b9837f69c7 [INFO] running `"docker" "start" "-a" "7f4e1169f350dae00d9166589ccae6db8ef6014387bb61664627b9b9837f69c7"` [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 metro_m4 v0.2.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.97s [INFO] running `"docker" "inspect" "7f4e1169f350dae00d9166589ccae6db8ef6014387bb61664627b9b9837f69c7"` [INFO] running `"docker" "rm" "-f" "7f4e1169f350dae00d9166589ccae6db8ef6014387bb61664627b9b9837f69c7"` [INFO] [stdout] 7f4e1169f350dae00d9166589ccae6db8ef6014387bb61664627b9b9837f69c7 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] cbe36eac7f3b68be580041dc4512bef8022db35e7635b510c10ac5503db9124e [INFO] running `"docker" "start" "-a" "cbe36eac7f3b68be580041dc4512bef8022db35e7635b510c10ac5503db9124e"` [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 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/metro_m4-ba844b341ee34841 [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" "cbe36eac7f3b68be580041dc4512bef8022db35e7635b510c10ac5503db9124e"` [INFO] running `"docker" "rm" "-f" "cbe36eac7f3b68be580041dc4512bef8022db35e7635b510c10ac5503db9124e"` [INFO] [stdout] cbe36eac7f3b68be580041dc4512bef8022db35e7635b510c10ac5503db9124e