[INFO] cloning repository https://github.com/wismer/led-matrix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wismer/led-matrix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwismer%2Fled-matrix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwismer%2Fled-matrix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e04c78bf8a76fb308416509dc0bca1edfabead56
[INFO] documenting wismer/led-matrix against 1.100.0-beta.1 for beta-rustdoc-1.100
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwismer%2Fled-matrix" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/wismer/led-matrix
[INFO] finished tweaking git repo https://github.com/wismer/led-matrix
[INFO] tweaked toml for git repo https://github.com/wismer/led-matrix written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wismer/led-matrix on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wismer/led-matrix 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" "+1.100.0-beta.1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8a74ec1840ae4c06566e28f09259fca61fae022fe3692b5dab2c7c9cf7ce9ace
[INFO] running `Command { std: "docker" "start" "8a74ec1840ae4c06566e28f09259fca61fae022fe3692b5dab2c7c9cf7ce9ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a74ec1840ae4c06566e28f09259fca61fae022fe3692b5dab2c7c9cf7ce9ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8a74ec1840ae4c06566e28f09259fca61fae022fe3692b5dab2c7c9cf7ce9ace" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a74ec1840ae4c06566e28f09259fca61fae022fe3692b5dab2c7c9cf7ce9ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8a74ec1840ae4c06566e28f09259fca61fae022fe3692b5dab2c7c9cf7ce9ace" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling atsamd51j v0.12.0
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling matrix_portal_m4 v0.1.2
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking micromath v2.1.0
[INFO] [stderr]    Compiling led-matrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking fugit v0.3.9
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking embedded-graphics-core v0.4.1
[INFO] [stderr]     Checking embedded-graphics v0.8.2
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stderr]     Checking modular-bitfield v0.11.2
[INFO] [stderr]     Checking cortex-m-rt v0.7.5
[INFO] [stderr]     Checking atsamd-hal v0.16.0
[INFO] [stdout] error[E0271]: type mismatch resolving `<! as TryFrom<Status>>::Error == Error`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/atsamd-hal-0.16.0/src/sercom/spi/reg.rs:342:28
[INFO] [stdout]     |
[INFO] [stdout] 342 |         self.read_status().try_into()?;
[INFO] [stdout]     |                            ^^^^^^^^ expected `Error`, found `!`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `sercom::spi::Error`
[INFO] [stdout]                found type `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `!: core::convert::TryFrom<sercom::spi::Status>` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/atsamd-hal-0.16.0/src/sercom/spi/reg.rs:342:28
[INFO] [stdout]     |
[INFO] [stdout] 342 |         self.read_status().try_into()?;
[INFO] [stdout]     |                            ^^^^^^^^ the trait `From<sercom::spi::Status>` is not implemented for `!`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for `sercom::spi::Status` to implement `Into<!>`
[INFO] [stdout]     = note: required for `!` to implement `core::convert::TryFrom<sercom::spi::Status>`
[INFO] [stdout]     = note: required for `sercom::spi::Status` to implement `TryInto<!>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<! as TryFrom<Status>>::Error == Error`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/atsamd-hal-0.16.0/src/sercom/uart.rs:918:28
[INFO] [stdout]     |
[INFO] [stdout] 918 |         self.read_status().try_into()?;
[INFO] [stdout]     |                            ^^^^^^^^ expected `Error`, found `!`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `uart::flags::Error`
[INFO] [stdout]                found type `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `!: core::convert::TryFrom<uart::flags::Status>` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/atsamd-hal-0.16.0/src/sercom/uart.rs:918:28
[INFO] [stdout]     |
[INFO] [stdout] 918 |         self.read_status().try_into()?;
[INFO] [stdout]     |                            ^^^^^^^^ the trait `From<uart::flags::Status>` is not implemented for `!`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for `uart::flags::Status` to implement `Into<!>`
[INFO] [stdout]     = note: required for `!` to implement `core::convert::TryFrom<uart::flags::Status>`
[INFO] [stdout]     = note: required for `uart::flags::Status` to implement `TryInto<!>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0271, E0277.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atsamd-hal` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "8a74ec1840ae4c06566e28f09259fca61fae022fe3692b5dab2c7c9cf7ce9ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a74ec1840ae4c06566e28f09259fca61fae022fe3692b5dab2c7c9cf7ce9ace", kill_on_drop: false }`
[INFO] [stdout] 8a74ec1840ae4c06566e28f09259fca61fae022fe3692b5dab2c7c9cf7ce9ace
