[INFO] cloning repository marcelbuesing/candumprb
[INFO] running `"git" "clone" "--bare" "git://github.com/marcelbuesing/candumprb.git" "work/cache/sources/gh/marcelbuesing/candumprb"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/marcelbuesing/candumprb'...
[INFO] running `"git" "clone" "work/cache/sources/gh/marcelbuesing/candumprb" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/marcelbuesing/candumprb"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/marcelbuesing/candumprb'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/marcelbuesing/candumprb" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/marcelbuesing/candumprb"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/marcelbuesing/candumprb'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8a4a24e98708957d5a53849e0661587e21eb9aa6
[INFO] sha for GitHub repo marcelbuesing/candumprb: 8a4a24e98708957d5a53849e0661587e21eb9aa6
[INFO] validating manifest of marcelbuesing/candumprb on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of marcelbuesing/candumprb on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing marcelbuesing/candumprb
[INFO] finished frobbing marcelbuesing/candumprb
[INFO] frobbed toml for marcelbuesing/candumprb written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/marcelbuesing/candumprb/Cargo.toml
[INFO] started frobbing marcelbuesing/candumprb
[INFO] finished frobbing marcelbuesing/candumprb
[INFO] frobbed toml for marcelbuesing/candumprb written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/marcelbuesing/candumprb/Cargo.toml
[INFO] crate marcelbuesing/candumprb already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded socketcan v1.7.0
[INFO] [stderr]   Downloaded tokio-socketcan v0.1.3
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.3.20
[INFO] [stderr]   Downloaded async-ready v2.1.0
[INFO] [stderr]   Downloaded juliex v0.3.0-alpha.6
[INFO] [stderr]   Downloaded runtime v0.3.0-alpha.4
[INFO] [stderr]   Downloaded runtime-attributes v0.3.0-alpha.4
[INFO] [stderr]   Downloaded runtime-raw v0.3.0-alpha.3
[INFO] [stderr]   Downloaded nom v5.0.0-beta1
[INFO] [stderr]   Downloaded romio v0.3.0-alpha.8
[INFO] [stderr]   Downloaded runtime-native v0.3.0-alpha.3
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking marcelbuesing/candumprb against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-0/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/marcelbuesing/candumprb:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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=forbid" "-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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9895da5a1aa0eae5acff20e4d9d6ed07ad6be754c4b3a4f1b7fd1f70b572768c
[INFO] running `"docker" "start" "-a" "9895da5a1aa0eae5acff20e4d9d6ed07ad6be754c4b3a4f1b7fd1f70b572768c"`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking async-ready v2.1.0
[INFO] [stderr]     Checking async-datagram v2.2.0
[INFO] [stderr]    Compiling nom v5.0.0-beta1
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking lexical-core v0.4.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.12
[INFO] [stderr]     Checking socketcan v1.7.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.17
[INFO] [stderr]     Checking tokio-socketcan v0.1.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.7
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling runtime-attributes v0.3.0-alpha.4
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking juliex v0.3.0-alpha.6
[INFO] [stderr]     Checking romio v0.3.0-alpha.8
[INFO] [stderr]     Checking runtime-raw v0.3.0-alpha.3
[INFO] [stderr]     Checking runtime-native v0.3.0-alpha.3
[INFO] [stderr]     Checking runtime v0.3.0-alpha.4
[INFO] [stderr]     Checking canutils v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: constant item is never used: `COLOR_OFFSET`
[INFO] [stderr]   --> src/candumprb/main.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | const COLOR_OFFSET: Color = Fixed(242); // grey
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_char`
[INFO] [stderr]   --> src/candumprb/main.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn as_char(self) -> char {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `COLOR_OFFSET`
[INFO] [stderr]   --> src/candumprb/main.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | const COLOR_OFFSET: Color = Fixed(242); // grey
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_char`
[INFO] [stderr]   --> src/candumprb/main.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn as_char(self) -> char {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.20s
[INFO] running `"docker" "inspect" "9895da5a1aa0eae5acff20e4d9d6ed07ad6be754c4b3a4f1b7fd1f70b572768c"`
[INFO] running `"docker" "rm" "-f" "9895da5a1aa0eae5acff20e4d9d6ed07ad6be754c4b3a4f1b7fd1f70b572768c"`
[INFO] [stdout] 9895da5a1aa0eae5acff20e4d9d6ed07ad6be754c4b3a4f1b7fd1f70b572768c