[INFO] cloning repository https://github.com/michaelmelanson/omjit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelmelanson/omjit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelmelanson%2Fomjit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelmelanson%2Fomjit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8586cec3b53fc36046bd2ea33468ea7770c88c6
[INFO] documenting michaelmelanson/omjit 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%2Fmichaelmelanson%2Fomjit" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michaelmelanson/omjit 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-27/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/michaelmelanson/omjit
[INFO] finished tweaking git repo https://github.com/michaelmelanson/omjit
[INFO] tweaked toml for git repo https://github.com/michaelmelanson/omjit written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelmelanson/omjit 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]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-ranges v1.0.4
[INFO] [stderr]   Downloaded logos v0.11.4
[INFO] [stderr]   Downloaded beef v0.4.4
[INFO] [stderr]   Downloaded nom_locate v3.0.2
[INFO] [stderr]   Downloaded anyhow v1.0.45
[INFO] [stderr]   Downloaded serde_json v1.0.70
[INFO] [stderr]   Downloaded logos-derive v0.11.5
[INFO] [stderr]   Downloaded iced-x86 v1.15.0
[INFO] [stderr]   Downloaded almond v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 98d20f52533a73c9b2e0ed2d05b7a89771e9736ea409e8693bd1cbc05116ad58
[INFO] running `Command { std: "docker" "start" "-a" "98d20f52533a73c9b2e0ed2d05b7a89771e9736ea409e8693bd1cbc05116ad58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98d20f52533a73c9b2e0ed2d05b7a89771e9736ea409e8693bd1cbc05116ad58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98d20f52533a73c9b2e0ed2d05b7a89771e9736ea409e8693bd1cbc05116ad58", kill_on_drop: false }`
[INFO] [stdout] 98d20f52533a73c9b2e0ed2d05b7a89771e9736ea409e8693bd1cbc05116ad58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] fdd25c83220882020ca3870876072a809fd268a2e70e39446769c43f63c5e430
[INFO] running `Command { std: "docker" "start" "-a" "fdd25c83220882020ca3870876072a809fd268a2e70e39446769c43f63c5e430", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling serde_json v1.0.70
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking iced-x86 v1.15.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking nom_locate v3.0.2
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]     Checking almond v0.2.0
[INFO] [stderr]  Documenting omjit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_roundings)]
[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 `omjit`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name omjit src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3f505c623e25c512 -L dependency=/opt/rustwide/target/debug/deps --extern almond=/opt/rustwide/target/debug/deps/libalmond-c2426b38fd53a3ee.rmeta --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-851275a99be6ed58.rmeta --extern iced_x86=/opt/rustwide/target/debug/deps/libiced_x86-93587205ddc1fe27.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern memmap=/opt/rustwide/target/debug/deps/libmemmap-42e7dbc956c00839.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-fb3f4a72e32abea4.rmeta --extern nom_locate=/opt/rustwide/target/debug/deps/libnom_locate-ffbfefa913f850be.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-aa7a2fefff66375c.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "fdd25c83220882020ca3870876072a809fd268a2e70e39446769c43f63c5e430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd25c83220882020ca3870876072a809fd268a2e70e39446769c43f63c5e430", kill_on_drop: false }`
[INFO] [stdout] fdd25c83220882020ca3870876072a809fd268a2e70e39446769c43f63c5e430