[INFO] cloning repository https://github.com/tedbyron/mibi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tedbyron/mibi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedbyron%2Fmibi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedbyron%2Fmibi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 821398bdf9485a30422ff3e78a51e13d40fc3fbe
[INFO] documenting tedbyron/mibi against 1.95.0 for beta-1.96-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedbyron%2Fmibi" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/tedbyron/mibi
[INFO] finished tweaking git repo https://github.com/tedbyron/mibi
[INFO] tweaked toml for git repo https://github.com/tedbyron/mibi written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tedbyron/mibi on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tedbyron/mibi 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rtt-target v0.4.0
[INFO] [stderr]   Downloaded nrf52833-hal v0.14.1
[INFO] [stderr]   Downloaded microbit-common v0.13.0
[INFO] [stderr]   Downloaded embedded-dma v0.1.2
[INFO] [stderr]   Downloaded tiny-led-matrix v1.0.2
[INFO] [stderr]   Downloaded embedded-storage v0.2.0
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.7.0
[INFO] [stderr]   Downloaded lsm303agr v0.2.2
[INFO] [stderr]   Downloaded usb-device v0.2.9
[INFO] [stderr]   Downloaded nrf-usbd v0.1.1
[INFO] [stderr]   Downloaded libm v0.2.6
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.3
[INFO] [stderr]   Downloaded critical-section v0.2.8
[INFO] [stderr]   Downloaded microbit-v2 v0.13.0
[INFO] [stderr]   Downloaded rtt-target v0.3.1
[INFO] [stderr]   Downloaded panic-rtt-target v0.1.2
[INFO] [stderr]   Downloaded critical-section v1.1.1
[INFO] [stderr]   Downloaded nrf-hal-common v0.14.1
[INFO] [stderr]   Downloaded nrf52833-pac v0.10.1
[INFO] [stderr]   Downloaded fixed v1.23.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26b8845603cefca0232c68d5513f360e99563416b74a7e4322f66de3c4d2c1c3
[INFO] running `Command { std: "docker" "start" "-a" "26b8845603cefca0232c68d5513f360e99563416b74a7e4322f66de3c4d2c1c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26b8845603cefca0232c68d5513f360e99563416b74a7e4322f66de3c4d2c1c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26b8845603cefca0232c68d5513f360e99563416b74a7e4322f66de3c4d2c1c3", kill_on_drop: false }`
[INFO] [stdout] 26b8845603cefca0232c68d5513f360e99563416b74a7e4322f66de3c4d2c1c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a513bcfa0b34fcb307ca5348bf7aa7270e4109fd41f2a09a15b635179c4774ea
[INFO] running `Command { std: "docker" "start" "-a" "a513bcfa0b34fcb307ca5348bf7aa7270e4109fd41f2a09a15b635179c4774ea", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.55
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking critical-section v1.1.1
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]    Compiling nrf52833-pac v0.10.1
[INFO] [stderr]    Compiling fixed v1.23.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling nrf-hal-common v0.14.1
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking usb-device v0.2.9
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking embedded-dma v0.1.2
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking critical-section v0.2.8
[INFO] [stderr]     Checking embedded-storage v0.2.0
[INFO] [stderr]    Compiling nrf52833-hal v0.14.1
[INFO] [stderr]     Checking tiny-led-matrix v1.0.2
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking rtt-target v0.3.1
[INFO] [stderr]     Checking rtt-target v0.4.0
[INFO] [stderr]     Checking lsm303agr v0.2.2
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking nrf-usbd v0.1.1
[INFO] [stderr]     Checking panic-rtt-target v0.1.2
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking spin v0.9.7
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]     Checking microbit-common v0.13.0
[INFO] [stderr]     Checking microbit-v2 v0.13.0
[INFO] [stderr]  Documenting i2c-uart v0.1.0 (/opt/rustwide/workdir/crates/08-i2c-uart)
[INFO] [stderr]  Documenting blinky v0.1.0 (/opt/rustwide/workdir/crates/01-blinky)
[INFO] [stderr]  Documenting i2c-driver v0.1.0 (/opt/rustwide/workdir/crates/07-i2c-driver)
[INFO] [stderr]  Documenting uart v0.1.0 (/opt/rustwide/workdir/crates/05-uart)
[INFO] [stderr]  Documenting i2c-register v0.1.0 (/opt/rustwide/workdir/crates/06-i2c-register)
[INFO] [stderr]  Documenting roulette v0.1.0 (/opt/rustwide/workdir/crates/04-roulette)
[INFO] [stderr]  Documenting rtt v0.1.0 (/opt/rustwide/workdir/crates/02-rtt)
[INFO] [stderr]  Documenting compass v0.1.0 (/opt/rustwide/workdir/crates/09-compass)
[INFO] [stderr] error: could not document `i2c-uart`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.95.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name i2c_uart crates/08-i2c-uart/src/main.rs -o /opt/rustwide/target/doc --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -C metadata=7b53d8749a0134d7 -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-eb2d96d23746caa7.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-d2e7469cbf0f4291.rmeta --extern heapless=/opt/rustwide/target/debug/deps/libheapless-19f9bd3b145e940d.rmeta --extern lsm303agr=/opt/rustwide/target/debug/deps/liblsm303agr-01d673a9be1b4b22.rmeta --extern microbit=/opt/rustwide/target/debug/deps/libmicrobit-86abae63a6c0efe8.rmeta --extern nb=/opt/rustwide/target/debug/deps/libnb-03b3da720eeb14a4.rmeta --extern panic_rtt_target=/opt/rustwide/target/debug/deps/libpanic_rtt_target-71dabb1274d13ab0.rmeta --extern rtt_target=/opt/rustwide/target/debug/deps/librtt_target-948e17fc80c20f56.rmeta --document-private-items '-Arustdoc::private-intra-doc-links' --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a513bcfa0b34fcb307ca5348bf7aa7270e4109fd41f2a09a15b635179c4774ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a513bcfa0b34fcb307ca5348bf7aa7270e4109fd41f2a09a15b635179c4774ea", kill_on_drop: false }`
[INFO] [stdout] a513bcfa0b34fcb307ca5348bf7aa7270e4109fd41f2a09a15b635179c4774ea