[INFO] cloning repository https://github.com/islamuddin/discovery
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/islamuddin/discovery" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fislamuddin%2Fdiscovery", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fislamuddin%2Fdiscovery'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db4f2f08d0b3282b4cae8caa6e0ce1e92d9483c4
[INFO] documenting islamuddin/discovery against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fislamuddin%2Fdiscovery" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  92% (949/1022)
Updating files:  93% (951/1022)
Updating files:  94% (961/1022)
Updating files:  95% (971/1022)
Updating files:  96% (982/1022)
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Updating files: 100% (1022/1022)
Updating files: 100% (1022/1022), done.
[INFO] validating manifest of git repo https://github.com/islamuddin/discovery on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/islamuddin/discovery
[INFO] finished tweaking git repo https://github.com/islamuddin/discovery
[INFO] tweaked toml for git repo https://github.com/islamuddin/discovery written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/islamuddin/discovery already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lsm303dlhc v0.2.0
[INFO] [stderr]   Downloaded generic-array v0.11.1
[INFO] [stderr]   Downloaded heapless v0.3.7
[INFO] [stderr]   Downloaded stm32f30x v0.7.1
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.7
[INFO] [stderr]   Downloaded m v0.1.1
[INFO] [stderr]   Downloaded l3gd20 v0.2.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.11
[INFO] [stderr]   Downloaded stm32f30x-hal v0.2.0
[INFO] [stderr]   Downloaded aligned v0.3.2
[INFO] [stderr]   Downloaded vcell v0.1.2
[INFO] [stderr]   Downloaded cortex-m v0.6.1
[INFO] [stderr]   Downloaded panic-itm v0.4.1
[INFO] [stderr]   Downloaded as-slice v0.1.2
[INFO] [stderr]   Downloaded f3 v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07af7327d84f901b6d938363583e858035c5307104bfd1f804da71e6ee5bb9ab
[INFO] running `Command { std: "docker" "start" "-a" "07af7327d84f901b6d938363583e858035c5307104bfd1f804da71e6ee5bb9ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07af7327d84f901b6d938363583e858035c5307104bfd1f804da71e6ee5bb9ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07af7327d84f901b6d938363583e858035c5307104bfd1f804da71e6ee5bb9ab", kill_on_drop: false }`
[INFO] [stdout] 07af7327d84f901b6d938363583e858035c5307104bfd1f804da71e6ee5bb9ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feee9081b70cdc49ea2fac5bb535452319703b8762a05d4354f104f66c047dfc
[INFO] running `Command { std: "docker" "start" "-a" "feee9081b70cdc49ea2fac5bb535452319703b8762a05d4354f104f66c047dfc", 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] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling cortex-m-rt v0.6.11
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]    Compiling stm32f30x v0.7.1
[INFO] [stderr]    Compiling f3 v0.6.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking m v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]     Checking lsm303dlhc v0.2.0
[INFO] [stderr]     Checking l3gd20 v0.2.0
[INFO] [stderr]     Checking heapless v0.3.7
[INFO] [stderr]     Checking as-slice v0.1.2
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]     Checking panic-itm v0.4.1
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.7
[INFO] [stderr]     Checking stm32f30x-hal v0.2.0
[INFO] [stderr]     Checking aux14 v0.1.0 (/opt/rustwide/workdir/src/14-i2c/auxiliary)
[INFO] [stderr]     Checking aux6 v0.1.0 (/opt/rustwide/workdir/src/06-hello-world/auxiliary)
[INFO] [stderr]     Checking aux15 v0.1.0 (/opt/rustwide/workdir/src/15-led-compass/auxiliary)
[INFO] [stderr]     Checking aux9 v0.1.0 (/opt/rustwide/workdir/src/09-clocks-and-timers/auxiliary)
[INFO] [stderr]     Checking aux5 v0.1.0 (/opt/rustwide/workdir/src/05-led-roulette/auxiliary)
[INFO] [stderr]     Checking aux8 v0.1.0 (/opt/rustwide/workdir/src/08-leds-again/auxiliary)
[INFO] [stderr]     Checking aux7 v0.1.0 (/opt/rustwide/workdir/src/07-registers/auxiliary)
[INFO] [stderr]     Checking aux16 v0.1.0 (/opt/rustwide/workdir/src/16-punch-o-meter/auxiliary)
[INFO] [stderr]     Checking aux11 v0.1.0 (/opt/rustwide/workdir/src/11-usart/auxiliary)
[INFO] [stderr]  Documenting aux9 v0.1.0 (/opt/rustwide/workdir/src/09-clocks-and-timers/auxiliary)
[INFO] [stderr]  Documenting aux15 v0.1.0 (/opt/rustwide/workdir/src/15-led-compass/auxiliary)
[INFO] [stderr]  Documenting aux16 v0.1.0 (/opt/rustwide/workdir/src/16-punch-o-meter/auxiliary)
[INFO] [stderr]  Documenting aux7 v0.1.0 (/opt/rustwide/workdir/src/07-registers/auxiliary)
[INFO] [stderr]  Documenting aux6 v0.1.0 (/opt/rustwide/workdir/src/06-hello-world/auxiliary)
[INFO] [stderr]  Documenting aux5 v0.1.0 (/opt/rustwide/workdir/src/05-led-roulette/auxiliary)
[INFO] [stderr]  Documenting aux14 v0.1.0 (/opt/rustwide/workdir/src/14-i2c/auxiliary)
[INFO] [stderr]  Documenting aux8 v0.1.0 (/opt/rustwide/workdir/src/08-leds-again/auxiliary)
[INFO] [stderr]  Documenting aux11 v0.1.0 (/opt/rustwide/workdir/src/11-usart/auxiliary)
[INFO] [stdout] warning: use of deprecated associated function `f3::stm32f30x_hal::prelude::_embedded_hal_digital_OutputPin::set_high`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]   --> src/16-punch-o-meter/auxiliary/src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     nss.set_high();
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting led-roulette v0.1.0 (/opt/rustwide/workdir/src/05-led-roulette)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting registers v0.1.0 (/opt/rustwide/workdir/src/07-registers)
[INFO] [stderr]  Documenting usart v0.1.0 (/opt/rustwide/workdir/src/11-usart)
[INFO] [stderr]  Documenting clocks-and-timers v0.1.0 (/opt/rustwide/workdir/src/09-clocks-and-timers)
[INFO] [stderr]  Documenting led-compass v0.1.0 (/opt/rustwide/workdir/src/15-led-compass)
[INFO] [stderr]  Documenting hello-world v0.1.0 (/opt/rustwide/workdir/src/06-hello-world)
[INFO] [stderr]  Documenting leds-again v0.1.0 (/opt/rustwide/workdir/src/08-leds-again)
[INFO] [stderr]  Documenting i2c v0.1.0 (/opt/rustwide/workdir/src/14-i2c)
[INFO] [stderr]  Documenting punch-o-meter v0.1.0 (/opt/rustwide/workdir/src/16-punch-o-meter)
[INFO] [stderr] error: could not document `aux5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name aux5 src/05-led-roulette/auxiliary/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d1daa1b0eb3204db -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-0bb40bc584bc4e1f.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-5bc88c89c93b2d3e.rmeta --extern f3=/opt/rustwide/target/debug/deps/libf3-b7a08ab7dd464157.rmeta --extern panic_halt=/opt/rustwide/target/debug/deps/libpanic_halt-4b6ee28e78cbac24.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `aux14`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name aux14 src/14-i2c/auxiliary/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=47cc3311d15ef0b1 -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-0bb40bc584bc4e1f.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-5bc88c89c93b2d3e.rmeta --extern f3=/opt/rustwide/target/debug/deps/libf3-b7a08ab7dd464157.rmeta --extern panic_itm=/opt/rustwide/target/debug/deps/libpanic_itm-0c8ec95dbeda5bfd.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aux9`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name aux9 src/09-clocks-and-timers/auxiliary/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=982725f7d37b398c -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-0bb40bc584bc4e1f.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-5bc88c89c93b2d3e.rmeta --extern f3=/opt/rustwide/target/debug/deps/libf3-b7a08ab7dd464157.rmeta --extern panic_itm=/opt/rustwide/target/debug/deps/libpanic_itm-0c8ec95dbeda5bfd.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aux11`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name aux11 src/11-usart/auxiliary/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=23c535a0bdab9d38 -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-0bb40bc584bc4e1f.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-5bc88c89c93b2d3e.rmeta --extern f3=/opt/rustwide/target/debug/deps/libf3-b7a08ab7dd464157.rmeta --extern panic_itm=/opt/rustwide/target/debug/deps/libpanic_itm-0c8ec95dbeda5bfd.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aux15`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name aux15 src/15-led-compass/auxiliary/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d5b0931558ac9353 -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-0bb40bc584bc4e1f.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-5bc88c89c93b2d3e.rmeta --extern f3=/opt/rustwide/target/debug/deps/libf3-b7a08ab7dd464157.rmeta --extern panic_itm=/opt/rustwide/target/debug/deps/libpanic_itm-0c8ec95dbeda5bfd.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aux16`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name aux16 src/16-punch-o-meter/auxiliary/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a1b968f06f456e3d -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-0bb40bc584bc4e1f.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-5bc88c89c93b2d3e.rmeta --extern f3=/opt/rustwide/target/debug/deps/libf3-b7a08ab7dd464157.rmeta --extern panic_itm=/opt/rustwide/target/debug/deps/libpanic_itm-0c8ec95dbeda5bfd.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aux8`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name aux8 src/08-leds-again/auxiliary/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=74cdbd3126708bbe -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-0bb40bc584bc4e1f.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-5bc88c89c93b2d3e.rmeta --extern f3=/opt/rustwide/target/debug/deps/libf3-b7a08ab7dd464157.rmeta --extern panic_itm=/opt/rustwide/target/debug/deps/libpanic_itm-0c8ec95dbeda5bfd.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "feee9081b70cdc49ea2fac5bb535452319703b8762a05d4354f104f66c047dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feee9081b70cdc49ea2fac5bb535452319703b8762a05d4354f104f66c047dfc", kill_on_drop: false }`
[INFO] [stdout] feee9081b70cdc49ea2fac5bb535452319703b8762a05d4354f104f66c047dfc