[INFO] cloning repository https://github.com/jonlamb-gh/rpi3-rust-workspace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonlamb-gh/rpi3-rust-workspace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Frpi3-rust-workspace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Frpi3-rust-workspace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83347d5a6635bbf8b26d726cda7b77b17647f337
[INFO] testing jonlamb-gh/rpi3-rust-workspace against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Frpi3-rust-workspace" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonlamb-gh/rpi3-rust-workspace on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-18/source/.cargo/config
[INFO] removed /workspace/builds/worker-18/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/jonlamb-gh/rpi3-rust-workspace
[INFO] finished tweaking git repo https://github.com/jonlamb-gh/rpi3-rust-workspace
[INFO] tweaked toml for git repo https://github.com/jonlamb-gh/rpi3-rust-workspace written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/jonlamb-gh/rpi3-rust-workspace already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/jonlamb-gh/keypad.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tock-registers v0.3.0
[INFO] [stderr]   Downloaded register v0.3.3
[INFO] [stderr]   Downloaded panic-abort v0.3.1
[INFO] [stderr]   Downloaded cortex-a v2.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] faddeb70b72d3f554996532868f368716a623a406ccc89c33133ca972707789f
[INFO] running `Command { std: "docker" "start" "-a" "faddeb70b72d3f554996532868f368716a623a406ccc89c33133ca972707789f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faddeb70b72d3f554996532868f368716a623a406ccc89c33133ca972707789f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faddeb70b72d3f554996532868f368716a623a406ccc89c33133ca972707789f", kill_on_drop: false }`
[INFO] [stdout] faddeb70b72d3f554996532868f368716a623a406ccc89c33133ca972707789f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06af61936b6326cf0d0cf7f7ce5f92547e5951cddcfb364d2151d473c1ec0df7
[INFO] running `Command { std: "docker" "start" "-a" "06af61936b6326cf0d0cf7f7ce5f92547e5951cddcfb364d2151d473c1ec0df7", kill_on_drop: false }`
[INFO] [stderr]    Compiling tock-registers v0.3.0
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.3.0/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tock-registers` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "06af61936b6326cf0d0cf7f7ce5f92547e5951cddcfb364d2151d473c1ec0df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06af61936b6326cf0d0cf7f7ce5f92547e5951cddcfb364d2151d473c1ec0df7", kill_on_drop: false }`
[INFO] [stdout] 06af61936b6326cf0d0cf7f7ce5f92547e5951cddcfb364d2151d473c1ec0df7