[INFO] cloning repository https://github.com/knoby/blinking_lights
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/knoby/blinking_lights" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknoby%2Fblinking_lights", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknoby%2Fblinking_lights'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fe8dea26646f9fd265c2157c77f30daeead0e59
[INFO] documenting knoby/blinking_lights against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknoby%2Fblinking_lights" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/knoby/blinking_lights on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking git repo https://github.com/knoby/blinking_lights
[INFO] finished tweaking git repo https://github.com/knoby/blinking_lights
[INFO] tweaked toml for git repo https://github.com/knoby/blinking_lights written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/knoby/blinking_lights already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ff87ad7f52f1f6e0222524706691986677f501e460dc59314b62a781cbc7991d
[INFO] running `Command { std: "docker" "start" "-a" "ff87ad7f52f1f6e0222524706691986677f501e460dc59314b62a781cbc7991d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff87ad7f52f1f6e0222524706691986677f501e460dc59314b62a781cbc7991d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff87ad7f52f1f6e0222524706691986677f501e460dc59314b62a781cbc7991d", kill_on_drop: false }`
[INFO] [stdout] ff87ad7f52f1f6e0222524706691986677f501e460dc59314b62a781cbc7991d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e42ed0100d0b8994a3882e9d0798a801418d3602b0a7557e57ea39531aaf45d2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e42ed0100d0b8994a3882e9d0798a801418d3602b0a7557e57ea39531aaf45d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.11
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling heapless v0.5.0
[INFO] [stderr]    Compiling stm32f1 v0.9.0
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.5
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling cortex-m-rtfm v0.5.1
[INFO] [stderr]    Compiling blinking_lights v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rtfm-core v0.3.0
[INFO] [stderr]     Checking bobbin-bits v0.1.1
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]     Checking as-slice v0.1.0
[INFO] [stderr]     Checking hash32 v0.1.0
[INFO] [stderr]     Checking aligned v0.3.1
[INFO] [stderr]     Checking panic-semihosting v0.5.3
[INFO] [stderr]    Compiling rtfm-syntax v0.4.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.5
[INFO] [stderr]    Compiling cortex-m-rtfm-macros v0.5.0
[INFO] [stderr]     Checking stm32f1xx-hal v0.5.2
[INFO] [stderr]  Documenting blinking_lights v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rtfm::cyccnt`
[INFO] [stdout]   --> src/main.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rtfm::cyccnt::{Duration, Instant, U32Ext};
[INFO] [stdout]    |           ^^^^^^ could not find `cyccnt` in `rtfm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `cyccnt` in `rtfm`
[INFO] [stdout]   --> src/main.rs:22:72
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[app(device = stm32f1xx_hal::stm32, peripherals=true, monotonic=rtfm::cyccnt::CYCCNT)]
[INFO] [stdout]    |                                                                        ^^^^^^ could not find `cyccnt` in `rtfm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `blinking_lights`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name blinking_lights src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bobbin_bits=/opt/rustwide/target/debug/deps/libbobbin_bits-fe8b177931e39313.rmeta --extern cast=/opt/rustwide/target/debug/deps/libcast-23c0db261c8e6b1a.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-6fe5e247ff76d37c.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-8207739fbc889891.rmeta --extern rtfm=/opt/rustwide/target/debug/deps/librtfm-8800688b152d7e9c.rmeta --extern cortex_m_semihosting=/opt/rustwide/target/debug/deps/libcortex_m_semihosting-be177dd428ad73d6.rmeta --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-0a2d924ef4a4a5da.rmeta --extern nb=/opt/rustwide/target/debug/deps/libnb-67af274d6121dece.rmeta --extern panic_halt=/opt/rustwide/target/debug/deps/libpanic_halt-b597cb793434f3ed.rmeta --extern panic_semihosting=/opt/rustwide/target/debug/deps/libpanic_semihosting-59bf0ba6ef2fdd2b.rmeta --extern stm32f1=/opt/rustwide/target/debug/deps/libstm32f1-ccfb4a13b982ef1c.rmeta --extern stm32f1xx_hal=/opt/rustwide/target/debug/deps/libstm32f1xx_hal-27b20fded99f25e5.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "e42ed0100d0b8994a3882e9d0798a801418d3602b0a7557e57ea39531aaf45d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e42ed0100d0b8994a3882e9d0798a801418d3602b0a7557e57ea39531aaf45d2", kill_on_drop: false }`
[INFO] [stdout] e42ed0100d0b8994a3882e9d0798a801418d3602b0a7557e57ea39531aaf45d2