[INFO] fetching crate neokey_trinkey 0.2.2...
[INFO] testing neokey_trinkey-0.2.2 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate neokey_trinkey 0.2.2 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate neokey_trinkey 0.2.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate neokey_trinkey 0.2.2
[INFO] tweaked toml for crates.io crate neokey_trinkey 0.2.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate neokey_trinkey 0.2.2 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 crates.io crate neokey_trinkey 0.2.2 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-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9cb19102079a41f9b2461faebfe6a3896ee9f4f151f3ab4dca5c91da4670b36f
[INFO] running `Command { std: "docker" "start" "9cb19102079a41f9b2461faebfe6a3896ee9f4f151f3ab4dca5c91da4670b36f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cb19102079a41f9b2461faebfe6a3896ee9f4f151f3ab4dca5c91da4670b36f", 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" "9cb19102079a41f9b2461faebfe6a3896ee9f4f151f3ab4dca5c91da4670b36f" "/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" "9cb19102079a41f9b2461faebfe6a3896ee9f4f151f3ab4dca5c91da4670b36f", 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" "9cb19102079a41f9b2461faebfe6a3896ee9f4f151f3ab4dca5c91da4670b36f" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.88
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling atsamd21e v0.11.0
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling neokey_trinkey v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling replace_with v0.1.7
[INFO] [stderr]    Compiling seq-macro v0.2.2
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling modular-bitfield v0.11.2
[INFO] [stderr]    Compiling atsamd-hal v0.14.0
[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-0.14.0/src/sercom/v2/spi/reg.rs:343:28
[INFO] [stdout]     |
[INFO] [stdout] 343 |         self.read_status().try_into()?;
[INFO] [stdout]     |                            ^^^^^^^^ expected `Error`, found `!`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `sercom::v2::spi::Error`
[INFO] [stdout]                found type `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `!: core::convert::TryFrom<sercom::v2::spi::Status>` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/atsamd-hal-0.14.0/src/sercom/v2/spi/reg.rs:343:28
[INFO] [stdout]     |
[INFO] [stdout] 343 |         self.read_status().try_into()?;
[INFO] [stdout]     |                            ^^^^^^^^ the trait `From<sercom::v2::spi::Status>` is not implemented for `!`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for `sercom::v2::spi::Status` to implement `Into<!>`
[INFO] [stdout]     = note: required for `!` to implement `core::convert::TryFrom<sercom::v2::spi::Status>`
[INFO] [stdout]     = note: required for `sercom::v2::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-0.14.0/src/sercom/v2/uart.rs:916:28
[INFO] [stdout]     |
[INFO] [stdout] 916 |         self.read_status().try_into()?;
[INFO] [stdout]     |                            ^^^^^^^^ expected `Error`, found `!`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `flags::Error`
[INFO] [stdout]                found type `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `!: core::convert::TryFrom<flags::Status>` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/atsamd-hal-0.14.0/src/sercom/v2/uart.rs:916:28
[INFO] [stdout]     |
[INFO] [stdout] 916 |         self.read_status().try_into()?;
[INFO] [stdout]     |                            ^^^^^^^^ the trait `From<flags::Status>` is not implemented for `!`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for `flags::Status` to implement `Into<!>`
[INFO] [stdout]     = note: required for `!` to implement `core::convert::TryFrom<flags::Status>`
[INFO] [stdout]     = note: required for `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" "9cb19102079a41f9b2461faebfe6a3896ee9f4f151f3ab4dca5c91da4670b36f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb19102079a41f9b2461faebfe6a3896ee9f4f151f3ab4dca5c91da4670b36f", kill_on_drop: false }`
[INFO] [stdout] 9cb19102079a41f9b2461faebfe6a3896ee9f4f151f3ab4dca5c91da4670b36f