[INFO] cloning repository https://github.com/swissChili/kernel8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swissChili/kernel8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FswissChili%2Fkernel8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FswissChili%2Fkernel8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d09b0c69c7d5b199f267c52a2db2dfef0b81c019
[INFO] documenting swissChili/kernel8 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%2FswissChili%2Fkernel8" "/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/swissChili/kernel8 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-8/source/.cargo/config
[INFO] started tweaking git repo https://github.com/swissChili/kernel8
[INFO] finished tweaking git repo https://github.com/swissChili/kernel8
[INFO] tweaked toml for git repo https://github.com/swissChili/kernel8 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/swissChili/kernel8 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]     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-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" "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] 84190bd48401d44256cdd65d1efff96b292a01141b05f496cce8d6624fcba62f
[INFO] running `Command { std: "docker" "start" "-a" "84190bd48401d44256cdd65d1efff96b292a01141b05f496cce8d6624fcba62f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84190bd48401d44256cdd65d1efff96b292a01141b05f496cce8d6624fcba62f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84190bd48401d44256cdd65d1efff96b292a01141b05f496cce8d6624fcba62f", kill_on_drop: false }`
[INFO] [stdout] 84190bd48401d44256cdd65d1efff96b292a01141b05f496cce8d6624fcba62f
[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" "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] 6d737ab226d1614f28387f4fc13635ce47d19b5c96cb02c6a9938472eced495a
[INFO] running `Command { std: "docker" "start" "-a" "6d737ab226d1614f28387f4fc13635ce47d19b5c96cb02c6a9938472eced495a", kill_on_drop: false }`
[INFO] [stderr]     Checking numtoa v0.2.3
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]  Documenting kernel8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]  --> src/delay.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 |         unsafe { asm!("nop"); }
[INFO] [stdout]   |                  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider importing this macro:
[INFO] [stdout]           core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> src/delay.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         asm!("mrs $0, cntfrq_el0" : "=r"(freq));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> src/delay.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         asm!("mrs $0, cntpct_el0" : "=r"(count));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> src/delay.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             asm!("mrs $0, cntpct_el0" : "=r"(real));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> src/main.rs:27:22
[INFO] [stdout]    |
[INFO] [stdout] 27 |     () => { unsafe { asm!("nop"); } }
[INFO] [stdout]    |                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/mailbox.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |             nop!();
[INFO] [stdout]    |             ------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout]    = note: this error originates in the macro `nop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> src/main.rs:27:22
[INFO] [stdout]    |
[INFO] [stdout] 27 |     () => { unsafe { asm!("nop"); } }
[INFO] [stdout]    |                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/mailbox.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 nop!();
[INFO] [stdout]    |                 ------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout]    = note: this error originates in the macro `nop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> src/main.rs:41:14
[INFO] [stdout]    |
[INFO] [stdout] 41 |     unsafe { asm!("mrs $0, CurrentEL" : "=r"(val)); }
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(core_intrinsics, lang_items, asm, custom_test_frameworks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(panic_info_message)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `kernel8`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name kernel8 src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7e9cfae88fa85bd4 -L dependency=/opt/rustwide/target/debug/deps --extern numtoa=/opt/rustwide/target/debug/deps/libnumtoa-fdbe95e1bb6acedf.rmeta --extern spin=/opt/rustwide/target/debug/deps/libspin-9d6e24aa5a2758f7.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6d737ab226d1614f28387f4fc13635ce47d19b5c96cb02c6a9938472eced495a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d737ab226d1614f28387f4fc13635ce47d19b5c96cb02c6a9938472eced495a", kill_on_drop: false }`
[INFO] [stdout] 6d737ab226d1614f28387f4fc13635ce47d19b5c96cb02c6a9938472eced495a