[INFO] cloning repository https://github.com/9elements/enter32
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/9elements/enter32" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9elements%2Fenter32", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9elements%2Fenter32'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 829cd884718b6cea4d1128a978b4b64299b29c40
[INFO] checking 9elements/enter32 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9elements%2Fenter32" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/9elements/enter32 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/9elements/enter32 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/sphinxc0re/rust-rpi-rgb-led-matrix.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v0.15.12
[INFO] [stderr]   Downloaded structopt v0.2.12
[INFO] [stderr]   Downloaded gilrs v0.6.1
[INFO] [stderr]   Downloaded melon v0.13.0
[INFO] [stderr]   Downloaded structopt-derive v0.2.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1c13c07c7bf63c77e55fbf8e8e62d8d044fdf5a1b05afcb48e009bd722d1b3b4
[INFO] running `Command { std: "docker" "start" "-a" "1c13c07c7bf63c77e55fbf8e8e62d8d044fdf5a1b05afcb48e009bd722d1b3b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c13c07c7bf63c77e55fbf8e8e62d8d044fdf5a1b05afcb48e009bd722d1b3b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c13c07c7bf63c77e55fbf8e8e62d8d044fdf5a1b05afcb48e009bd722d1b3b4", kill_on_drop: false }`
[INFO] [stdout] 1c13c07c7bf63c77e55fbf8e8e62d8d044fdf5a1b05afcb48e009bd722d1b3b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4c845b22a57a4db5f7397d4e1803cad42f47d071519353e347cf057939b452e2
[INFO] running `Command { std: "docker" "start" "-a" "4c845b22a57a4db5f7397d4e1803cad42f47d071519353e347cf057939b452e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]     Checking flate2 v1.0.4
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling rpi-led-matrix v0.1.1 (https://github.com/sphinxc0re/rust-rpi-rgb-led-matrix.git#4e44d037)
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]    Compiling syn v0.15.12
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking rustyline v1.0.0
[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]     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] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `frontend`
[INFO] [stdout]   --> src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     frontend::start(input_sender, frame_reveicer, &color_map);
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared type or module `frontend`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `frontend`
[INFO] [stdout]   --> src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     frontend::start(input_sender, frame_reveicer, &color_map);
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared type or module `frontend`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4c845b22a57a4db5f7397d4e1803cad42f47d071519353e347cf057939b452e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c845b22a57a4db5f7397d4e1803cad42f47d071519353e347cf057939b452e2", kill_on_drop: false }`
[INFO] [stdout] 4c845b22a57a4db5f7397d4e1803cad42f47d071519353e347cf057939b452e2