[INFO] cloning repository https://github.com/chop0/circus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chop0/circus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchop0%2Fcircus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchop0%2Fcircus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 458b68942f828f167198bd8866ca6c98c6fa1c4a
[INFO] documenting chop0/circus against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchop0%2Fcircus" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chop0/circus on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chop0/circus
[INFO] finished tweaking git repo https://github.com/chop0/circus
[INFO] tweaked toml for git repo https://github.com/chop0/circus written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/chop0/circus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-6-tc1/source/acrobatics/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] [stderr] warning: /workspace/builds/worker-6-tc1/source/acrobatics/Cargo.toml: the cargo feature `strip` has been stabilized in the 1.58 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/profiles.html#strip-option for more information about using this feature.
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded font8x8 v0.3.1
[INFO] [stderr]   Downloaded sysinfo v0.20.0
[INFO] [stderr]   Downloaded process-memory v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe2495670ab5179eec5bc9b336f633fa7f0d9a7f91ab5d833c05e9d23bc2ec46
[INFO] running `Command { std: "docker" "start" "-a" "fe2495670ab5179eec5bc9b336f633fa7f0d9a7f91ab5d833c05e9d23bc2ec46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe2495670ab5179eec5bc9b336f633fa7f0d9a7f91ab5d833c05e9d23bc2ec46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe2495670ab5179eec5bc9b336f633fa7f0d9a7f91ab5d833c05e9d23bc2ec46", kill_on_drop: false }`
[INFO] [stdout] fe2495670ab5179eec5bc9b336f633fa7f0d9a7f91ab5d833c05e9d23bc2ec46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65c0d782b1861b8e08743e92593f139f9ed6d956f131601a9b6a192ee7cdaa18
[INFO] running `Command { std: "docker" "start" "-a" "65c0d782b1861b8e08743e92593f139f9ed6d956f131601a9b6a192ee7cdaa18", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/acrobatics/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: /opt/rustwide/workdir/acrobatics/Cargo.toml: the cargo feature `strip` has been stabilized in the 1.58 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/profiles.html#strip-option for more information about using this feature.
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling sysinfo v0.20.0
[INFO] [stderr]     Checking font8x8 v0.3.1
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nix v0.22.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking process-memory v0.4.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking message_passing v0.1.0 (/opt/rustwide/workdir/message_passing)
[INFO] [stderr]  Documenting message_passing v0.1.0 (/opt/rustwide/workdir/message_passing)
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> message_passing/src/lib.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |             asm!("rdtsc", out("edx") upper, out("eax") lower);
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider importing one of these items:
[INFO] [stdout]            std::arch::asm
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> message_passing/src/lib.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |             asm!("rdtsc", out("edx") upper, out("eax") lower);
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider importing one of these items:
[INFO] [stdout]            std::arch::asm
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> message_passing/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> message_passing/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `message_passing`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name message_passing message_passing/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ee54b948bad9abf0 -L dependency=/opt/rustwide/target/debug/deps --extern nix=/opt/rustwide/target/debug/deps/libnix-08e0ba6fd6d2ffa7.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `message_passing` due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "65c0d782b1861b8e08743e92593f139f9ed6d956f131601a9b6a192ee7cdaa18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65c0d782b1861b8e08743e92593f139f9ed6d956f131601a9b6a192ee7cdaa18", kill_on_drop: false }`
[INFO] [stdout] 65c0d782b1861b8e08743e92593f139f9ed6d956f131601a9b6a192ee7cdaa18
