[INFO] cloning repository https://github.com/alesharik/distros
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alesharik/distros" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falesharik%2Fdistros", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falesharik%2Fdistros'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 055a9a9a98c4eb35cb01cd594086168de803b11e
[INFO] documenting alesharik/distros 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%2Falesharik%2Fdistros" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alesharik/distros 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/alesharik/distros
[INFO] finished tweaking git repo https://github.com/alesharik/distros
[INFO] tweaked toml for git repo https://github.com/alesharik/distros written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/alesharik/distros 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] warning: unused manifest key: target.cfg(target_os = "none").runner
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/alesharik/pci_types.git`
[INFO] [stderr]     Updating git repository `https://github.com/alesharik/smbios-lib.git`
[INFO] [stderr]     Updating git repository `https://github.com/rust-osdev/vga.git`
[INFO] [stderr]     Updating git repository `https://github.com/alesharik/vte.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spinning_top v0.2.4
[INFO] [stderr]   Downloaded archery v0.4.0
[INFO] [stderr]   Downloaded conquer-util v0.3.0
[INFO] [stderr]   Downloaded linked_list_allocator v0.9.0
[INFO] [stderr]   Downloaded rand_pcg v0.3.0
[INFO] [stderr]   Downloaded x86_64 v0.14.9
[INFO] [stderr]   Downloaded raw-cpuid v9.0.0
[INFO] [stderr]   Downloaded conquer-once v0.3.2
[INFO] [stderr]   Downloaded font8x8 v0.3.1
[INFO] [stderr]   Downloaded rpds v0.9.0
[INFO] [stderr]   Downloaded bit v0.1.1
[INFO] [stderr]   Downloaded bootloader v0.9.22
[INFO] [stderr]   Downloaded rsdp v2.0.0
[INFO] [stderr]   Downloaded acpi v4.1.0
[INFO] [stderr]   Downloaded goblin v0.4.2
[INFO] [stderr]   Downloaded pc-keyboard v0.5.1
[INFO] [stderr]   Downloaded x2apic v0.3.0
[INFO] [stderr]   Downloaded volatile v0.4.4
[INFO] [stderr]   Downloaded thingbuf v0.1.3
[INFO] [stderr]   Downloaded ps2 v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 6fb3564e96a1ff67dc96d9e2c9e32867211315c02691b64863a36c6be499df17
[INFO] running `Command { std: "docker" "start" "-a" "6fb3564e96a1ff67dc96d9e2c9e32867211315c02691b64863a36c6be499df17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fb3564e96a1ff67dc96d9e2c9e32867211315c02691b64863a36c6be499df17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fb3564e96a1ff67dc96d9e2c9e32867211315c02691b64863a36c6be499df17", kill_on_drop: false }`
[INFO] [stdout] 6fb3564e96a1ff67dc96d9e2c9e32867211315c02691b64863a36c6be499df17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 2e97a279825b6db342ebe5e59d16d2802054646b7d414b1753c802d3797f6e24
[INFO] running `Command { std: "docker" "start" "-a" "2e97a279825b6db342ebe5e59d16d2802054646b7d414b1753c802d3797f6e24", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.cfg(target_os = "none").runner
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]     Checking volatile v0.4.4
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking conquer-util v0.3.0
[INFO] [stderr]    Compiling bootloader v0.9.22
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking bit v0.1.1
[INFO] [stderr]     Checking utf8parse v0.2.0 (https://github.com/alesharik/vte.git?branch=move-ansi#1ea113be)
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking font8x8 v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking fixedbitset v0.4.0
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking pc-keyboard v0.5.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking archery v0.4.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking pci_types v0.2.0 (https://github.com/alesharik/pci_types.git?branch=control#02ae07fb)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.4.4/src/lib.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", feature(const_fn_trait_bound))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `const_fn_trait_bound` has been stable since 1.61.0 and no longer requires an attribute to enable
[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 compile `lock_api` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2e97a279825b6db342ebe5e59d16d2802054646b7d414b1753c802d3797f6e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e97a279825b6db342ebe5e59d16d2802054646b7d414b1753c802d3797f6e24", kill_on_drop: false }`
[INFO] [stdout] 2e97a279825b6db342ebe5e59d16d2802054646b7d414b1753c802d3797f6e24