[INFO] cloning repository https://github.com/Weltraumschaf/minivm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Weltraumschaf/minivm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeltraumschaf%2Fminivm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeltraumschaf%2Fminivm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6257253bbca9cc6ea5f83a3c6dca902dcd1d1f6
[INFO] documenting Weltraumschaf/minivm 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%2FWeltraumschaf%2Fminivm" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Weltraumschaf/minivm 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/Weltraumschaf/minivm
[INFO] finished tweaking git repo https://github.com/Weltraumschaf/minivm
[INFO] tweaked toml for git repo https://github.com/Weltraumschaf/minivm written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Weltraumschaf/minivm 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]  Downloading crates ...
[INFO] [stderr]   Downloaded num-iter v0.1.35
[INFO] [stderr]   Downloaded num-complex v0.1.42
[INFO] [stderr]   Downloaded env_logger v0.5.4
[INFO] [stderr]   Downloaded humantime v1.1.0
[INFO] [stderr]   Downloaded num-bigint v0.1.43
[INFO] [stderr]   Downloaded clap v2.30.0
[INFO] [stderr]   Downloaded num-traits v0.2.0
[INFO] [stderr]   Downloaded regex v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 139e83b1b660a47d4d33d7ac06da93de83c00ca0a18cfed9a36cb45cba1fa2bf
[INFO] running `Command { std: "docker" "start" "-a" "139e83b1b660a47d4d33d7ac06da93de83c00ca0a18cfed9a36cb45cba1fa2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "139e83b1b660a47d4d33d7ac06da93de83c00ca0a18cfed9a36cb45cba1fa2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "139e83b1b660a47d4d33d7ac06da93de83c00ca0a18cfed9a36cb45cba1fa2bf", kill_on_drop: false }`
[INFO] [stdout] 139e83b1b660a47d4d33d7ac06da93de83c00ca0a18cfed9a36cb45cba1fa2bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2f8d2799ffd133c925629eab87a955f3f2603117788ccd852da4659803104aaa
[INFO] running `Command { std: "docker" "start" "-a" "2f8d2799ffd133c925629eab87a955f3f2603117788ccd852da4659803104aaa", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking humantime v1.1.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking termcolor v0.3.5
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking clap v2.30.0
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v0.2.6
[INFO] [stderr]     Checking env_logger v0.5.4
[INFO] [stderr]  Documenting minivm v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/frontend/character_helper.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         (CharacterHelper::is_alphabetic(ch) || CharacterHelper::is_numeric(ch))
[INFO] [stdout]    |         ^                                                                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 -         (CharacterHelper::is_alphabetic(ch) || CharacterHelper::is_numeric(ch))
[INFO] [stdout] 17 +         CharacterHelper::is_alphabetic(ch) || CharacterHelper::is_numeric(ch)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[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(try_from)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `value`
[INFO] [stdout]   --> src/backend/bytecode.rs:27:41
[INFO] [stdout]    |
[INFO] [stdout] 27 |     /// Stack (before -> after): [] -> [value]
[INFO] [stdout]    |                                         ^^^^^ no item named `value` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `value`
[INFO] [stdout]   --> src/backend/bytecode.rs:31:35
[INFO] [stdout]    |
[INFO] [stdout] 31 |     /// Stack (before -> after): [value] -> []
[INFO] [stdout]    |                                   ^^^^^ no item named `value` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `value`
[INFO] [stdout]   --> src/backend/bytecode.rs:35:41
[INFO] [stdout]    |
[INFO] [stdout] 35 |     /// Stack (before -> after): [] -> [value]
[INFO] [stdout]    |                                         ^^^^^ no item named `value` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `result`
[INFO] [stdout]   --> src/backend/bytecode.rs:39:55
[INFO] [stdout]    |
[INFO] [stdout] 39 |     /// Stack (before -> after): [value1, value2] -> [result]
[INFO] [stdout]    |                                                       ^^^^^^ no item named `result` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `result`
[INFO] [stdout]   --> src/backend/bytecode.rs:43:55
[INFO] [stdout]    |
[INFO] [stdout] 43 |     /// Stack (before -> after): [value1, value2] -> [result]
[INFO] [stdout]    |                                                       ^^^^^^ no item named `result` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `result`
[INFO] [stdout]   --> src/backend/bytecode.rs:47:55
[INFO] [stdout]    |
[INFO] [stdout] 47 |     /// Stack (before -> after): [value1, value2] -> [result]
[INFO] [stdout]    |                                                       ^^^^^^ no item named `result` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `result`
[INFO] [stdout]   --> src/backend/bytecode.rs:51:55
[INFO] [stdout]    |
[INFO] [stdout] 51 |     /// Stack (before -> after): [value1, value2] -> [result]
[INFO] [stdout]    |                                                       ^^^^^^ no item named `result` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `result`
[INFO] [stdout]   --> src/backend/bytecode.rs:55:55
[INFO] [stdout]    |
[INFO] [stdout] 55 |     /// Stack (before -> after): [value1, value2] -> [result]
[INFO] [stdout]    |                                                       ^^^^^^ no item named `result` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `value`
[INFO] [stdout]   --> src/backend/bytecode.rs:59:35
[INFO] [stdout]    |
[INFO] [stdout] 59 |     /// Stack (before -> after): [value] -> [result]
[INFO] [stdout]    |                                   ^^^^^ no item named `value` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `result`
[INFO] [stdout]   --> src/backend/bytecode.rs:59:46
[INFO] [stdout]    |
[INFO] [stdout] 59 |     /// Stack (before -> after): [value] -> [result]
[INFO] [stdout]    |                                              ^^^^^^ no item named `result` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `value`
[INFO] [stdout]   --> src/backend/bytecode.rs:63:35
[INFO] [stdout]    |
[INFO] [stdout] 63 |     /// Stack (before -> after): [value] -> []
[INFO] [stdout]    |                                   ^^^^^ no item named `value` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `minivm`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name minivm src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7e33104edd21531d -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-b9ae01d5409adbf0.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-96ebda9cec0dbcb8.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-92325ae25b84d3a0.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-cf07fee4764d351b.rmeta --cap-lints=warn --crate-version 1.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2f8d2799ffd133c925629eab87a955f3f2603117788ccd852da4659803104aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f8d2799ffd133c925629eab87a955f3f2603117788ccd852da4659803104aaa", kill_on_drop: false }`
[INFO] [stdout] 2f8d2799ffd133c925629eab87a955f3f2603117788ccd852da4659803104aaa
