[INFO] cloning repository https://github.com/nebelgrau77/STM32_DS1307_clock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nebelgrau77/STM32_DS1307_clock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnebelgrau77%2FSTM32_DS1307_clock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnebelgrau77%2FSTM32_DS1307_clock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c2901a5b37f06484cd7c58192c3f0d8c0772c83
[INFO] documenting nebelgrau77/STM32_DS1307_clock against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnebelgrau77%2FSTM32_DS1307_clock" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nebelgrau77/STM32_DS1307_clock on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-11/source/.cargo/config
[INFO] started tweaking git repo https://github.com/nebelgrau77/STM32_DS1307_clock
[INFO] finished tweaking git repo https://github.com/nebelgrau77/STM32_DS1307_clock
[INFO] tweaked toml for git repo https://github.com/nebelgrau77/STM32_DS1307_clock written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/nebelgrau77/STM32_DS1307_clock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 0d8e7757cff87ade277b2fac7b428301dbc5c1f04019465757dc4160891d9ce8
[INFO] running `Command { std: "docker" "start" "-a" "0d8e7757cff87ade277b2fac7b428301dbc5c1f04019465757dc4160891d9ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d8e7757cff87ade277b2fac7b428301dbc5c1f04019465757dc4160891d9ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8e7757cff87ade277b2fac7b428301dbc5c1f04019465757dc4160891d9ce8", kill_on_drop: false }`
[INFO] [stdout] 0d8e7757cff87ade277b2fac7b428301dbc5c1f04019465757dc4160891d9ce8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 539d5d3a38d8b5602524f8ec95c5a53fc98dcd1826b5346ef713497594de9b95
[INFO] running `Command { std: "docker" "start" "-a" "539d5d3a38d8b5602524f8ec95c5a53fc98dcd1826b5346ef713497594de9b95", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.6.2
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling stm32f0 v0.8.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling ssd1306 v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking ds1307 v0.2.1
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking as-slice v0.1.2
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]     Checking embedded-graphics v0.6.1
[INFO] [stderr]     Checking shared-bus v0.1.4
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking stm32f0xx-hal v0.15.2
[INFO] [stderr]  Documenting clock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `cortex_m_semihosting`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use cortex_m_semihosting::hprintln;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `cortex_m_semihosting`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `clock`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name clock src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=16bfe9aa60ac8306 -L dependency=/opt/rustwide/target/debug/deps --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-f5b67bd8a99c0c87.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-21fe48f9424d2618.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-d3cf41843d36dafe.rmeta --extern ds1307=/opt/rustwide/target/debug/deps/libds1307-135fef6b20a740f6.rmeta --extern embedded_graphics=/opt/rustwide/target/debug/deps/libembedded_graphics-a55396560053c036.rmeta --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-011151aac5ca4d91.rmeta --extern panic_halt=/opt/rustwide/target/debug/deps/libpanic_halt-8e0ecb18292def22.rmeta --extern shared_bus=/opt/rustwide/target/debug/deps/libshared_bus-1dc1e854bb88c0be.rmeta --extern ssd1306=/opt/rustwide/target/debug/deps/libssd1306-f914a6c016e0a1de.rmeta --extern stm32f0xx_hal=/opt/rustwide/target/debug/deps/libstm32f0xx_hal-d005e290ac9b2cc1.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "539d5d3a38d8b5602524f8ec95c5a53fc98dcd1826b5346ef713497594de9b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "539d5d3a38d8b5602524f8ec95c5a53fc98dcd1826b5346ef713497594de9b95", kill_on_drop: false }`
[INFO] [stdout] 539d5d3a38d8b5602524f8ec95c5a53fc98dcd1826b5346ef713497594de9b95