[INFO] cloning repository https://github.com/pepsipu/f3os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pepsipu/f3os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepsipu%2Ff3os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepsipu%2Ff3os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf19489b0271c13aa93086559bae98d607a13baf
[INFO] documenting pepsipu/f3os 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%2Fpepsipu%2Ff3os" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pepsipu/f3os 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-7/source/.cargo/config
[INFO] started tweaking git repo https://github.com/pepsipu/f3os
[INFO] finished tweaking git repo https://github.com/pepsipu/f3os
[INFO] tweaked toml for git repo https://github.com/pepsipu/f3os written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/pepsipu/f3os 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 0e362cb0a71adf2015530ddeacb6f8d6d75002913f9f18bc56e9e389b0dbe0ed
[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" "0e362cb0a71adf2015530ddeacb6f8d6d75002913f9f18bc56e9e389b0dbe0ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e362cb0a71adf2015530ddeacb6f8d6d75002913f9f18bc56e9e389b0dbe0ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e362cb0a71adf2015530ddeacb6f8d6d75002913f9f18bc56e9e389b0dbe0ed", kill_on_drop: false }`
[INFO] [stdout] 0e362cb0a71adf2015530ddeacb6f8d6d75002913f9f18bc56e9e389b0dbe0ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 83470a010d94c3b1633c96811b2d3e2df3d0f18517896808ec328f19dec303e4
[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" "83470a010d94c3b1633c96811b2d3e2df3d0f18517896808ec328f19dec303e4", kill_on_drop: false }`
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]    Compiling stm32f30x v0.8.0
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.10
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking hash32 v0.1.0
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking as-slice v0.1.0
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]     Checking heapless v0.3.7
[INFO] [stderr]     Checking aligned v0.3.1
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.5
[INFO] [stderr]  Documenting f3os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `RegisterBlock` in this scope
[INFO] [stdout]  --> src/serial.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |     uart: &'static mut RegisterBlock,
[INFO] [stdout]   |                        ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cortex_m::peripheral::cbp::RegisterBlock;
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cortex_m::peripheral::cpuid::RegisterBlock;
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cortex_m::peripheral::dcb::RegisterBlock;
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cortex_m::peripheral::dwt::RegisterBlock;
[INFO] [stdout]   |
[INFO] [stdout]     and 72 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `RegisterBlock` in this scope
[INFO] [stdout]   --> src/serial.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(uart: &'static mut RegisterBlock) -> Serial {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use cortex_m::peripheral::cbp::RegisterBlock;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use cortex_m::peripheral::cpuid::RegisterBlock;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use cortex_m::peripheral::dcb::RegisterBlock;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use cortex_m::peripheral::dwt::RegisterBlock;
[INFO] [stdout]    |
[INFO] [stdout]      and 72 other candidates
[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] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `f3os`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name f3os 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-67fe7c5808311e40.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-34e24bfcfea18096.rmeta --extern heapless=/opt/rustwide/target/debug/deps/libheapless-3b3729c391f481a4.rmeta --extern panic_halt=/opt/rustwide/target/debug/deps/libpanic_halt-b597cb793434f3ed.rmeta --extern stm32f30x=/opt/rustwide/target/debug/deps/libstm32f30x-3a0e16f9f0f01ceb.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "83470a010d94c3b1633c96811b2d3e2df3d0f18517896808ec328f19dec303e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83470a010d94c3b1633c96811b2d3e2df3d0f18517896808ec328f19dec303e4", kill_on_drop: false }`
[INFO] [stdout] 83470a010d94c3b1633c96811b2d3e2df3d0f18517896808ec328f19dec303e4