[INFO] cloning repository https://github.com/jwillikers/soft-blink
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jwillikers/soft-blink" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwillikers%2Fsoft-blink", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwillikers%2Fsoft-blink'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff467c5c71dc4040ee09037b43f271c17951f480
[INFO] documenting jwillikers/soft-blink against 1.100.0-beta.1 for beta-rustdoc-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwillikers%2Fsoft-blink" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/jwillikers/soft-blink
[INFO] finished tweaking git repo https://github.com/jwillikers/soft-blink
[INFO] tweaked toml for git repo https://github.com/jwillikers/soft-blink written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jwillikers/soft-blink 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/jwillikers/soft-blink 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] documenting jwillikers/soft-blink against 1.100.0-beta.1 for beta-rustdoc-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwillikers%2Fsoft-blink" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/jwillikers/soft-blink
[INFO] finished tweaking git repo https://github.com/jwillikers/soft-blink
[INFO] tweaked toml for git repo https://github.com/jwillikers/soft-blink written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jwillikers/soft-blink 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/jwillikers/soft-blink 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] [stderr]   Downloaded volatile-register v0.2.1
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.7
[INFO] [stderr]   Downloaded panic-semihosting v0.5.6
[INFO] [stderr]   Downloaded cortex-m v0.7.3
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.6.15
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded replace_with v0.1.7
[INFO] [stderr]   Downloaded version_check v0.9.3
[INFO] [stderr]   Downloaded generic-array v0.13.3
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] [stderr]   Downloaded seq-macro v0.2.2
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded aligned v0.3.5
[INFO] [stderr]   Downloaded generic-array v0.12.4
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded modular-bitfield-impl v0.11.2
[INFO] [stderr]   Downloaded embedded-hal v0.2.6
[INFO] [stderr]   Downloaded paste v1.0.5
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.15
[INFO] [stderr]   Downloaded cortex-m v0.6.7
[INFO] [stderr]   Downloaded modular-bitfield v0.11.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.29
[INFO] [stderr]   Downloaded typenum v1.14.0
[INFO] [stderr]   Downloaded micromath v2.0.0
[INFO] [stderr]   Downloaded syn v1.0.76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 17f5934f5e087a47c047b34c1d3db52515afcb17830629fd9b91a4f519cfbcd9
[INFO] running `Command { std: "docker" "start" "17f5934f5e087a47c047b34c1d3db52515afcb17830629fd9b91a4f519cfbcd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17f5934f5e087a47c047b34c1d3db52515afcb17830629fd9b91a4f519cfbcd9", 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" "17f5934f5e087a47c047b34c1d3db52515afcb17830629fd9b91a4f519cfbcd9" "/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" "17f5934f5e087a47c047b34c1d3db52515afcb17830629fd9b91a4f519cfbcd9", 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" "17f5934f5e087a47c047b34c1d3db52515afcb17830629fd9b91a4f519cfbcd9" "/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 semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.6
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]    Compiling cortex-m-rt v0.6.15
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling atsamd21g v0.9.0 (https://github.com/atsamd-rs/atsamd#bc581ef4)
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling feather_m0 v0.9.0 (https://github.com/atsamd-rs/atsamd#bc581ef4)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling seq-macro v0.2.2
[INFO] [stderr]     Checking replace_with v0.1.7
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking micromath v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking panic-semihosting v0.5.6
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking aligned v0.3.5
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.6.15
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]     Checking modular-bitfield v0.11.2
[INFO] [stderr]     Checking atsamd-hal v0.12.0 (https://github.com/atsamd-rs/atsamd#bc581ef4)
[INFO] [stdout] error[E0271]: type mismatch resolving `<! as TryFrom<Status>>::Error == Error`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/atsamd-38d323de095cc6ab/bc581ef/hal/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 `!: TryFrom<flags::Status>` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/atsamd-38d323de095cc6ab/bc581ef/hal/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 `TryFrom<flags::Status>`
[INFO] [stdout]     = note: required for `flags::Status` to implement `TryInto<!>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<! as TryFrom<Errors>>::Error == Error`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/git/checkouts/atsamd-38d323de095cc6ab/bc581ef/hal/src/thumbv6m/sercom/v2/spi.rs:1424:28
[INFO] [stdout]      |
[INFO] [stdout] 1424 |         self.read_errors().try_into()?;
[INFO] [stdout]      |                            ^^^^^^^^ expected `Error`, found `!`
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected enum `thumbv6m::sercom::v2::spi::Error`
[INFO] [stdout]                 found type `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `!: TryFrom<Errors>` is not satisfied
[INFO] [stdout]     --> /opt/rustwide/cargo-home/git/checkouts/atsamd-38d323de095cc6ab/bc581ef/hal/src/thumbv6m/sercom/v2/spi.rs:1424:28
[INFO] [stdout]      |
[INFO] [stdout] 1424 |         self.read_errors().try_into()?;
[INFO] [stdout]      |                            ^^^^^^^^ the trait `From<Errors>` is not implemented for `!`
[INFO] [stdout]      |
[INFO] [stdout]      = note: required for `Errors` to implement `Into<!>`
[INFO] [stdout]      = note: required for `!` to implement `TryFrom<Errors>`
[INFO] [stdout]      = note: required for `Errors` 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" "17f5934f5e087a47c047b34c1d3db52515afcb17830629fd9b91a4f519cfbcd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f5934f5e087a47c047b34c1d3db52515afcb17830629fd9b91a4f519cfbcd9", kill_on_drop: false }`
[INFO] [stdout] 17f5934f5e087a47c047b34c1d3db52515afcb17830629fd9b91a4f519cfbcd9
