[INFO] cloning repository https://github.com/dbrgn/vbt-lift-control
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dbrgn/vbt-lift-control" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbrgn%2Fvbt-lift-control", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbrgn%2Fvbt-lift-control'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e706441dfa2cd68d462bbc871da615529a22a364
[INFO] documenting dbrgn/vbt-lift-control against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbrgn%2Fvbt-lift-control" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dbrgn/vbt-lift-control on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-8/source/.cargo/config
[INFO] started tweaking git repo https://github.com/dbrgn/vbt-lift-control
[INFO] finished tweaking git repo https://github.com/dbrgn/vbt-lift-control
[INFO] tweaked toml for git repo https://github.com/dbrgn/vbt-lift-control written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/dbrgn/vbt-lift-control already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.7
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.11
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded hash32 v0.1.1
[INFO] [stderr]   Downloaded rtfm-syntax v0.4.0
[INFO] [stderr]   Downloaded heapless v0.5.3
[INFO] [stderr]   Downloaded aligned v0.3.2
[INFO] [stderr]   Downloaded cortex-m-rtfm-macros v0.5.0
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded cortex-m-rtfm v0.5.1
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded nb v0.1.2
[INFO] [stderr]   Downloaded cortex-m v0.6.1
[INFO] [stderr]   Downloaded stm32f1xx-hal v0.5.2
[INFO] [stderr]   Downloaded rtfm-core v0.3.0
[INFO] [stderr]   Downloaded vcell v0.1.2
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] [stderr]   Downloaded embedded-hal v0.2.3
[INFO] [stderr]   Downloaded as-slice v0.1.2
[INFO] [stderr]   Downloaded stm32f1 v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7abcc42a55d8af48d6aa67e562d82515c20f8d8a77a9dbf3adc2ab7ab84289e4
[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" "7abcc42a55d8af48d6aa67e562d82515c20f8d8a77a9dbf3adc2ab7ab84289e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7abcc42a55d8af48d6aa67e562d82515c20f8d8a77a9dbf3adc2ab7ab84289e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7abcc42a55d8af48d6aa67e562d82515c20f8d8a77a9dbf3adc2ab7ab84289e4", kill_on_drop: false }`
[INFO] [stdout] 7abcc42a55d8af48d6aa67e562d82515c20f8d8a77a9dbf3adc2ab7ab84289e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffea8fc68e65ba190ea719609c7679906e907fdf31e0750c48e7c5ea264d5fe6
[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" "ffea8fc68e65ba190ea719609c7679906e907fdf31e0750c48e7c5ea264d5fe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling stm32f1 v0.9.0
[INFO] [stderr]    Compiling cortex-m-rtfm v0.5.1
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling lift-control v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]     Checking heapless v0.5.3
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]     Checking cortex-m v0.6.1
[INFO] [stderr]    Compiling rtfm-syntax v0.4.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.7
[INFO] [stderr]    Compiling cortex-m-rtfm-macros v0.5.0
[INFO] [stderr]     Checking cortex-m-rt v0.6.11
[INFO] [stderr]     Checking stm32f1xx-hal v0.5.2
[INFO] [stderr]  Documenting lift-control v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rtfm::cyccnt`
[INFO] [stdout]  --> src/main.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rtfm::cyccnt::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:71:74
[INFO] [stdout]    |
[INFO] [stdout] 71 | #[app(device = stm32f1::stm32f103, 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 `lift-control`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name lift_control 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 cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-a2ea3ed40241080b.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-45620f34701b2b50.rmeta --extern rtfm=/opt/rustwide/target/debug/deps/librtfm-02846db6165a9e27.rmeta --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-0c3dc2b0b47eb1dd.rmeta --extern panic_halt=/opt/rustwide/target/debug/deps/libpanic_halt-e898de5af9d9d9bd.rmeta --extern stm32f1=/opt/rustwide/target/debug/deps/libstm32f1-066542a6badafd05.rmeta --extern stm32f1xx_hal=/opt/rustwide/target/debug/deps/libstm32f1xx_hal-3a84fff88ba5cfba.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "ffea8fc68e65ba190ea719609c7679906e907fdf31e0750c48e7c5ea264d5fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffea8fc68e65ba190ea719609c7679906e907fdf31e0750c48e7c5ea264d5fe6", kill_on_drop: false }`
[INFO] [stdout] ffea8fc68e65ba190ea719609c7679906e907fdf31e0750c48e7c5ea264d5fe6