[INFO] cloning repository https://github.com/geomatsi/rust-stm32f030r8-tests
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/geomatsi/rust-stm32f030r8-tests" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeomatsi%2Frust-stm32f030r8-tests", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeomatsi%2Frust-stm32f030r8-tests'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ad5f1afb41d3d6b467ee50f5993def1b2bde304
[INFO] documenting geomatsi/rust-stm32f030r8-tests 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%2Fgeomatsi%2Frust-stm32f030r8-tests" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/geomatsi/rust-stm32f030r8-tests 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-2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/geomatsi/rust-stm32f030r8-tests
[INFO] finished tweaking git repo https://github.com/geomatsi/rust-stm32f030r8-tests
[INFO] tweaked toml for git repo https://github.com/geomatsi/rust-stm32f030r8-tests written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/geomatsi/rust-stm32f030r8-tests 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] dcf26426f12db69f8ea846a2a9756b8a90cf728ab1a7254ddfd4927dc1a8d93e
[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" "dcf26426f12db69f8ea846a2a9756b8a90cf728ab1a7254ddfd4927dc1a8d93e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcf26426f12db69f8ea846a2a9756b8a90cf728ab1a7254ddfd4927dc1a8d93e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcf26426f12db69f8ea846a2a9756b8a90cf728ab1a7254ddfd4927dc1a8d93e", kill_on_drop: false }`
[INFO] [stdout] dcf26426f12db69f8ea846a2a9756b8a90cf728ab1a7254ddfd4927dc1a8d93e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] bfcdea0be7aa3480442c370155485fd75d6f715f0b841096029edfd95c4c2a0d
[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" "bfcdea0be7aa3480442c370155485fd75d6f715f0b841096029edfd95c4c2a0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling cortex-m v0.5.8
[INFO] [stderr]    Compiling cortex-m-rt v0.6.7
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.2
[INFO] [stderr]    Compiling stm32f0 v0.5.0
[INFO] [stderr]     Checking nb v0.1.1
[INFO] [stderr]    Compiling cortex-m-rtfm v0.4.0
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking embedded-hal v0.2.2
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]     Checking hash32 v0.1.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]     Checking heapless v0.4.1
[INFO] [stderr]     Checking panic-semihosting v0.5.1
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.5
[INFO] [stderr]    Compiling owned-singleton-macros v0.1.0
[INFO] [stderr]    Compiling cortex-m-rtfm-macros v0.4.0
[INFO] [stderr]     Checking owned-singleton v0.1.0
[INFO] [stderr]     Checking stm32f0xx-hal v0.11.0
[INFO] [stderr]  Documenting stm32f030r8-nucleo-tests v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/bin/panic.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / fn panic(_panic: &PanicInfo) -> ! {
[INFO] [stdout] 17 | |     loop {
[INFO] [stdout] 18 | |         cm::asm::bkpt();
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `panic_semihosting` (which `panic` depends on)
[INFO] [stdout]    = note: first definition in `panic_semihosting` loaded from /opt/rustwide/target/debug/deps/libpanic_semihosting-b2967c8bec573e77.rmeta
[INFO] [stdout]    = note: second definition in the local crate (`panic`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `stm32f030r8-nucleo-tests`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name panic src/bin/panic.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-b62d4c3b41d3e87a.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-480260a115332906.rmeta --extern rtfm=/opt/rustwide/target/debug/deps/librtfm-5c45ec3a4a41d83b.rmeta --extern cortex_m_semihosting=/opt/rustwide/target/debug/deps/libcortex_m_semihosting-edb6c0efdcbb20c9.rmeta --extern nb=/opt/rustwide/target/debug/deps/libnb-b9ab92be9a0a23ff.rmeta --extern panic_semihosting=/opt/rustwide/target/debug/deps/libpanic_semihosting-b2967c8bec573e77.rmeta --extern stm32f0=/opt/rustwide/target/debug/deps/libstm32f0-ef25b652d0328579.rmeta --extern stm32f0xx_hal=/opt/rustwide/target/debug/deps/libstm32f0xx_hal-2428ed03a8b25104.rmeta --cap-lints=warn` (exit code: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/bin/timer-led.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![no_main]
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/bin/timer-led.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![no_main]
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/bin/blink.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![no_main]
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/bin/blink.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![no_main]
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/bin/button-globals.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![no_main]
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/bin/button-globals.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![no_main]
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/bin/button-direct.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![no_main]
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/bin/button-direct.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![no_main]
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/bin/blink-rtfm.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![no_main]
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/bin/blink-rtfm.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(warnings)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/bin/blink-rtfm.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![no_main]
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `TIM3` should have a snake case name
[INFO] [stdout]   --> src/bin/blink-rtfm.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn TIM3() {
[INFO] [stdout]    |        ^^^^ help: convert the identifier to snake case: `tim3`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/bin/blink-rtfm.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `TIM14` should have a snake case name
[INFO] [stdout]    --> src/bin/blink-rtfm.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn TIM14() {
[INFO] [stdout]     |        ^^^^^ help: convert the identifier to snake case: `tim14`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bfcdea0be7aa3480442c370155485fd75d6f715f0b841096029edfd95c4c2a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfcdea0be7aa3480442c370155485fd75d6f715f0b841096029edfd95c4c2a0d", kill_on_drop: false }`
[INFO] [stdout] bfcdea0be7aa3480442c370155485fd75d6f715f0b841096029edfd95c4c2a0d