[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 beta-2022-05-20 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeltraumschaf%2Fminivm" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Weltraumschaf/minivm on toolchain beta-2022-05-20 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-2/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: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e6f7ce2839c663817345dac29203bac3a9b463a223e214d04cb855dd122a126e [INFO] running `Command { std: "docker" "start" "-a" "e6f7ce2839c663817345dac29203bac3a9b463a223e214d04cb855dd122a126e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e6f7ce2839c663817345dac29203bac3a9b463a223e214d04cb855dd122a126e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6f7ce2839c663817345dac29203bac3a9b463a223e214d04cb855dd122a126e", kill_on_drop: false }` [INFO] [stdout] e6f7ce2839c663817345dac29203bac3a9b463a223e214d04cb855dd122a126e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ac97e50aeef49360cc4cf0e66f8d564259958cb04514265a93d7809385bab7f6 [INFO] running `Command { std: "docker" "start" "-a" "ac97e50aeef49360cc4cf0e66f8d564259958cb04514265a93d7809385bab7f6", kill_on_drop: false }` [INFO] [stderr] Checking regex-syntax v0.4.2 [INFO] [stderr] Checking quick-error v1.2.1 [INFO] [stderr] Checking termcolor v0.3.5 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking clap v2.30.0 [INFO] [stderr] Checking humantime v1.1.0 [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 beta 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] = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default [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: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=ed944eb9180bce91 -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-63211d02f68db604.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-6f99f7bbc2bdfce5.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-49a0a5f882fb2292.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-772f05ec81d6d723.rmeta --cap-lints=warn --crate-version 1.0.0` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "ac97e50aeef49360cc4cf0e66f8d564259958cb04514265a93d7809385bab7f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac97e50aeef49360cc4cf0e66f8d564259958cb04514265a93d7809385bab7f6", kill_on_drop: false }` [INFO] [stdout] ac97e50aeef49360cc4cf0e66f8d564259958cb04514265a93d7809385bab7f6