[INFO] cloning repository https://github.com/Gamma7892/rail-camera
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gamma7892/rail-camera" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGamma7892%2Frail-camera", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGamma7892%2Frail-camera'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da2125e6c6bd36463d466fe028517e9235a977a5
[INFO] testing Gamma7892/rail-camera against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGamma7892%2Frail-camera" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gamma7892/rail-camera on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Gamma7892/rail-camera
[INFO] finished tweaking git repo https://github.com/Gamma7892/rail-camera
[INFO] tweaked toml for git repo https://github.com/Gamma7892/rail-camera written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Gamma7892/rail-camera already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded ctrlc v3.1.9
[INFO] [stderr]   Downloaded embedded-hal v0.2.5
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded rppal v0.12.0
[INFO] [stderr]   Downloaded libc v0.2.98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64656216e7e51746b3fa501c4a8ee221b1dfeb20df27bbec011a0546c7f7d666
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "64656216e7e51746b3fa501c4a8ee221b1dfeb20df27bbec011a0546c7f7d666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64656216e7e51746b3fa501c4a8ee221b1dfeb20df27bbec011a0546c7f7d666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64656216e7e51746b3fa501c4a8ee221b1dfeb20df27bbec011a0546c7f7d666", kill_on_drop: false }`
[INFO] [stdout] 64656216e7e51746b3fa501c4a8ee221b1dfeb20df27bbec011a0546c7f7d666
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feac0ef8c8f4ada73c5661796dc7d0a1efb8359a7cd5d2445c766f5c1ee379c2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "feac0ef8c8f4ada73c5661796dc7d0a1efb8359a7cd5d2445c766f5c1ee379c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.5
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling rppal v0.12.0
[INFO] [stderr]    Compiling ctrlc v3.1.9
[INFO] [stderr]    Compiling pi_motor_control v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:30:32
[INFO] [stdout]    |
[INFO] [stdout] 30 | const ENC_VS_STEP_ERROR: f32 = 5; // in mm
[INFO] [stdout]    |                                ^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                expected `f32`, found integer
[INFO] [stdout]    |                                help: use a float literal: `5.0`
[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 E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pi_motor_control` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "feac0ef8c8f4ada73c5661796dc7d0a1efb8359a7cd5d2445c766f5c1ee379c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feac0ef8c8f4ada73c5661796dc7d0a1efb8359a7cd5d2445c766f5c1ee379c2", kill_on_drop: false }`
[INFO] [stdout] feac0ef8c8f4ada73c5661796dc7d0a1efb8359a7cd5d2445c766f5c1ee379c2