[INFO] updating cached repository https://github.com/9elements/enter32
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 829cd884718b6cea4d1128a978b4b64299b29c40
[INFO] checking 9elements/enter32 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9elements%2Fenter32" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/9elements/enter32 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/9elements/enter32
[INFO] finished tweaking git repo https://github.com/9elements/enter32
[INFO] tweaked toml for git repo https://github.com/9elements/enter32 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/9elements/enter32 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] aafe81c37b47ce25fdf5151cb2dd83e80a31fd21ca1065484ba8c032ff23df63
[INFO] running `"docker" "start" "-a" "aafe81c37b47ce25fdf5151cb2dd83e80a31fd21ca1065484ba8c032ff23df63"`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling rpi-led-matrix v0.1.1 (https://github.com/sphinxc0re/rust-rpi-rgb-led-matrix.git#4e44d037)
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking nix v0.10.0
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.12
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking flate2 v1.0.4
[INFO] [stderr]     Checking gilrs v0.6.1
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling structopt-derive v0.2.12
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking structopt v0.2.12
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking melon v0.13.0
[INFO] [stderr]     Checking enter32 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `frontend`
[INFO] [stderr]   --> src/main.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     frontend::start(input_sender, frame_reveicer, &color_map);
[INFO] [stderr]    |     ^^^^^^^^ use of undeclared type or module `frontend`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `enter32`.
[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] error[E0433]: failed to resolve: use of undeclared type or module `frontend`
[INFO] [stderr]   --> src/main.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     frontend::start(input_sender, frame_reveicer, &color_map);
[INFO] [stderr]    |     ^^^^^^^^ use of undeclared type or module `frontend`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `enter32`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "aafe81c37b47ce25fdf5151cb2dd83e80a31fd21ca1065484ba8c032ff23df63"`
[INFO] running `"docker" "rm" "-f" "aafe81c37b47ce25fdf5151cb2dd83e80a31fd21ca1065484ba8c032ff23df63"`
[INFO] [stdout] aafe81c37b47ce25fdf5151cb2dd83e80a31fd21ca1065484ba8c032ff23df63