[INFO] cloning repository https://github.com/de-vri-es/koffiedrabbakweegschaal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/de-vri-es/koffiedrabbakweegschaal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fde-vri-es%2Fkoffiedrabbakweegschaal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fde-vri-es%2Fkoffiedrabbakweegschaal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b20000d88255e57ac1050ae88eb5f2a3b024bead
[INFO] documenting de-vri-es/koffiedrabbakweegschaal 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%2Fde-vri-es%2Fkoffiedrabbakweegschaal" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/de-vri-es/koffiedrabbakweegschaal 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] removed /workspace/builds/worker-23/source/.cargo/config
[INFO] started tweaking git repo https://github.com/de-vri-es/koffiedrabbakweegschaal
[INFO] finished tweaking git repo https://github.com/de-vri-es/koffiedrabbakweegschaal
[INFO] tweaked toml for git repo https://github.com/de-vri-es/koffiedrabbakweegschaal written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/de-vri-es/koffiedrabbakweegschaal 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 nb v0.1.3
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded volatile-register v0.2.1
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.1
[INFO] [stderr]   Downloaded cortex-m v0.7.3
[INFO] [stderr]   Downloaded hash32 v0.2.1
[INFO] [stderr]   Downloaded critical-section v0.2.5
[INFO] [stderr]   Downloaded heapless v0.7.9
[INFO] [stderr]   Downloaded embedded-dma v0.1.2
[INFO] [stderr]   Downloaded cast v0.3.0
[INFO] [stderr]   Downloaded riscv v0.7.0
[INFO] [stderr]   Downloaded bare-metal v1.0.0
[INFO] [stderr]   Downloaded riscv-target v0.1.2
[INFO] [stderr]   Downloaded cortex-m-rtic-macros v1.0.0
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.7.0
[INFO] [stderr]   Downloaded rtic-syntax v1.0.0
[INFO] [stderr]   Downloaded bxcan v0.6.2
[INFO] [stderr]   Downloaded cortex-m-rtic v1.0.0
[INFO] [stderr]   Downloaded stm32-usbd v0.6.0
[INFO] [stderr]   Downloaded stm32f1 v0.14.0
[INFO] [stderr]   Downloaded usbd-serial v0.1.1
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.7
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] [stderr]   Downloaded embedded-hal v0.2.6
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded rtic-monotonic v1.0.0
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.5
[INFO] [stderr]   Downloaded rtic-core v1.0.0
[INFO] [stderr]   Downloaded usb-device v0.2.8
[INFO] [stderr]   Downloaded stm32f1xx-hal v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 8112d389d9501568cf56c89947bbdc93c34e36ec530aece386645f77bea369e2
[INFO] running `Command { std: "docker" "start" "-a" "8112d389d9501568cf56c89947bbdc93c34e36ec530aece386645f77bea369e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8112d389d9501568cf56c89947bbdc93c34e36ec530aece386645f77bea369e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8112d389d9501568cf56c89947bbdc93c34e36ec530aece386645f77bea369e2", kill_on_drop: false }`
[INFO] [stdout] 8112d389d9501568cf56c89947bbdc93c34e36ec530aece386645f77bea369e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 7d2579acdd2248d7d85a38d05fe44368d5454e5d3aa90766776e1af2f575c92e
[INFO] running `Command { std: "docker" "start" "-a" "7d2579acdd2248d7d85a38d05fe44368d5454e5d3aa90766776e1af2f575c92e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cortex-m-rt v0.7.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling heapless v0.7.9
[INFO] [stderr]    Compiling stm32f1 v0.14.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking usb-device v0.2.8
[INFO] [stderr]    Compiling stm32-usbd v0.6.0
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking rtic-core v1.0.0
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking rtic-monotonic v1.0.0
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking embedded-dma v0.1.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking bxcan v0.6.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking embedded-hal v0.2.6
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling cortex-m-rtic v1.0.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking usbd-serial v0.1.1
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling rtic-syntax v1.0.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling cortex-m-rtic-macros v1.0.0
[INFO] [stderr]     Checking stm32f1xx-hal v0.8.0
[INFO] [stderr]  Documenting koffiedrabbakweegschaal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(panic_info_message)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `koffiedrabbakweegschaal`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name koffiedrabbakweegschaal src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=bea979f7ee70bf61 -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-05dca3cc8988aa4f.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-508ebbe11ffb9bae.rmeta --extern rtic=/opt/rustwide/target/debug/deps/librtic-3b37728c66effffd.rmeta --extern cortex_m_semihosting=/opt/rustwide/target/debug/deps/libcortex_m_semihosting-5647e578b733e966.rmeta --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-3dafc21d23b74471.rmeta --extern stm32f1xx_hal=/opt/rustwide/target/debug/deps/libstm32f1xx_hal-fca4497d75063e3d.rmeta --extern usb_device=/opt/rustwide/target/debug/deps/libusb_device-690be0ed670f7622.rmeta --extern usbd_serial=/opt/rustwide/target/debug/deps/libusbd_serial-5c0494e72ca8f8b1.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7d2579acdd2248d7d85a38d05fe44368d5454e5d3aa90766776e1af2f575c92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d2579acdd2248d7d85a38d05fe44368d5454e5d3aa90766776e1af2f575c92e", kill_on_drop: false }`
[INFO] [stdout] 7d2579acdd2248d7d85a38d05fe44368d5454e5d3aa90766776e1af2f575c92e