[INFO] cloning repository https://github.com/jquesada2016/8x8-led-matrix-text-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jquesada2016/8x8-led-matrix-text-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjquesada2016%2F8x8-led-matrix-text-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjquesada2016%2F8x8-led-matrix-text-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e1c57c90385fbc9df972b4b6e21e7ad0424e740
[INFO] checking jquesada2016/8x8-led-matrix-text-example against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjquesada2016%2F8x8-led-matrix-text-example" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jquesada2016/8x8-led-matrix-text-example on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jquesada2016/8x8-led-matrix-text-example
[INFO] finished tweaking git repo https://github.com/jquesada2016/8x8-led-matrix-text-example
[INFO] tweaked toml for git repo https://github.com/jquesada2016/8x8-led-matrix-text-example written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jquesada2016/8x8-led-matrix-text-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embedded-graphics-core v0.3.3
[INFO] [stderr]   Downloaded micromath v1.1.1
[INFO] [stderr]   Downloaded embedded-graphics v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc9e2aaf8d6156255affa40ecb556ff533ab02b1f272f41dba65ccf3ab8ab7b1
[INFO] running `Command { std: "docker" "start" "-a" "fc9e2aaf8d6156255affa40ecb556ff533ab02b1f272f41dba65ccf3ab8ab7b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc9e2aaf8d6156255affa40ecb556ff533ab02b1f272f41dba65ccf3ab8ab7b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc9e2aaf8d6156255affa40ecb556ff533ab02b1f272f41dba65ccf3ab8ab7b1", kill_on_drop: false }`
[INFO] [stdout] fc9e2aaf8d6156255affa40ecb556ff533ab02b1f272f41dba65ccf3ab8ab7b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55c3a88890a740349f8a08041f58ae2d66a1a5276e5fafbd278ca555e5408e8d
[INFO] running `Command { std: "docker" "start" "-a" "55c3a88890a740349f8a08041f58ae2d66a1a5276e5fafbd278ca555e5408e8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking micromath v1.1.1
[INFO] [stderr]     Checking rppal v0.13.1
[INFO] [stderr]     Checking embedded-graphics-core v0.3.3
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking embedded-graphics v0.7.1
[INFO] [stderr]     Checking led-matrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `primitives as p`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     primitives as p, text::Text,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `primitives as p`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     primitives as p, text::Text,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.31s
[INFO] running `Command { std: "docker" "inspect" "55c3a88890a740349f8a08041f58ae2d66a1a5276e5fafbd278ca555e5408e8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55c3a88890a740349f8a08041f58ae2d66a1a5276e5fafbd278ca555e5408e8d", kill_on_drop: false }`
[INFO] [stdout] 55c3a88890a740349f8a08041f58ae2d66a1a5276e5fafbd278ca555e5408e8d
[INFO] checking jquesada2016/8x8-led-matrix-text-example against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjquesada2016%2F8x8-led-matrix-text-example" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jquesada2016/8x8-led-matrix-text-example on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jquesada2016/8x8-led-matrix-text-example
[INFO] finished tweaking git repo https://github.com/jquesada2016/8x8-led-matrix-text-example
[INFO] tweaked toml for git repo https://github.com/jquesada2016/8x8-led-matrix-text-example written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jquesada2016/8x8-led-matrix-text-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 652915269a0d5babdcd1964a0a66f586f03c9ef2f2c856daeb00ff2a80245cc4
[INFO] running `Command { std: "docker" "start" "-a" "652915269a0d5babdcd1964a0a66f586f03c9ef2f2c856daeb00ff2a80245cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "652915269a0d5babdcd1964a0a66f586f03c9ef2f2c856daeb00ff2a80245cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "652915269a0d5babdcd1964a0a66f586f03c9ef2f2c856daeb00ff2a80245cc4", kill_on_drop: false }`
[INFO] [stdout] 652915269a0d5babdcd1964a0a66f586f03c9ef2f2c856daeb00ff2a80245cc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 404c4c63d8a835bf94b665f0453b431091b26458ba391dd88ec6529b71d76dbe
[INFO] running `Command { std: "docker" "start" "-a" "404c4c63d8a835bf94b665f0453b431091b26458ba391dd88ec6529b71d76dbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking micromath v1.1.1
[INFO] [stderr]     Checking rppal v0.13.1
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking embedded-graphics-core v0.3.3
[INFO] [stderr]     Checking embedded-graphics v0.7.1
[INFO] [stderr]     Checking led-matrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `primitives as p`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     primitives as p, text::Text,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `primitives as p`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     primitives as p, text::Text,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.49s
[INFO] running `Command { std: "docker" "inspect" "404c4c63d8a835bf94b665f0453b431091b26458ba391dd88ec6529b71d76dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "404c4c63d8a835bf94b665f0453b431091b26458ba391dd88ec6529b71d76dbe", kill_on_drop: false }`
[INFO] [stdout] 404c4c63d8a835bf94b665f0453b431091b26458ba391dd88ec6529b71d76dbe