[INFO] cloning repository https://github.com/alan-j-hu/nonstandard-ml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alan-j-hu/nonstandard-ml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falan-j-hu%2Fnonstandard-ml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falan-j-hu%2Fnonstandard-ml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6219eb3cf4a991ce1b7d8b7b7af61e09acb36f1e
[INFO] documenting alan-j-hu/nonstandard-ml against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falan-j-hu%2Fnonstandard-ml" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alan-j-hu/nonstandard-ml on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alan-j-hu/nonstandard-ml
[INFO] finished tweaking git repo https://github.com/alan-j-hu/nonstandard-ml
[INFO] tweaked toml for git repo https://github.com/alan-j-hu/nonstandard-ml written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/alan-j-hu/nonstandard-ml 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lexgen_util v0.12.0
[INFO] [stderr]   Downloaded lexgen v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a0762265da3cb0647663a2207ccbe23c34cc16dcbe2e8735739eb152eb03029
[INFO] running `Command { std: "docker" "start" "-a" "2a0762265da3cb0647663a2207ccbe23c34cc16dcbe2e8735739eb152eb03029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a0762265da3cb0647663a2207ccbe23c34cc16dcbe2e8735739eb152eb03029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a0762265da3cb0647663a2207ccbe23c34cc16dcbe2e8735739eb152eb03029", kill_on_drop: false }`
[INFO] [stdout] 2a0762265da3cb0647663a2207ccbe23c34cc16dcbe2e8735739eb152eb03029
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0209443dba890073a5707f269c7c7d46c6131df6ac6c9a38fbc3b22c68608555
[INFO] running `Command { std: "docker" "start" "-a" "0209443dba890073a5707f269c7c7d46c6131df6ac6c9a38fbc3b22c68608555", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.131
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling string_cache v0.8.4
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling lalrpop-util v0.19.8
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking lexgen_util v0.12.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]     Checking bumpalo v3.10.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling lalrpop v0.19.8
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]    Compiling lexgen v0.12.0
[INFO] [stderr]    Compiling clap_derive v3.2.17
[INFO] [stderr]     Checking clap v3.2.17
[INFO] [stderr]    Compiling nonstandard-ml v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]  Documenting nonstandard-ml v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stdout] warning: field `funs` is never read
[INFO] [stdout]   --> core/src/bytecode.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Module {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 28 |     funs: Box<[Fun]>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `local_count`, `blocks`, and `stack_maps` are never read
[INFO] [stdout]   --> core/src/bytecode.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Fun {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 32 |     local_count: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 33 |     blocks: Box<[Block]>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 34 |     stack_maps: Box<[StackMap]>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `instrs` is never read
[INFO] [stdout]   --> core/src/bytecode.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Block {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 38 |     instrs: Box<[Instr]>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `funs`, `string_lits`, and `string_pool` are never read
[INFO] [stdout]   --> core/src/bytecode/convert.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Context<'pool> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 9  |     funs: Vec<Fun>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     fun_map: HashMap<FnName, FunIndex>,
[INFO] [stdout] 11 |     string_lits: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 12 |     string_pool: &'pool StringPool<'pool>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `blocks` is never read
[INFO] [stdout]   --> core/src/bytecode/convert.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct FnBuilder<'ssa> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     blocks: Vec<bytecode::Block>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> core/src/elab/typed.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Var<'a> {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 7 |     id: usize,
[INFO] [stdout] 8 |     name: &'a str,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Var` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting mlc v0.1.0 (/opt/rustwide/workdir/cli)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.51s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/mlc/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/nonstandard_ml/index.html
[INFO] running `Command { std: "docker" "inspect" "0209443dba890073a5707f269c7c7d46c6131df6ac6c9a38fbc3b22c68608555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0209443dba890073a5707f269c7c7d46c6131df6ac6c9a38fbc3b22c68608555", kill_on_drop: false }`
[INFO] [stdout] 0209443dba890073a5707f269c7c7d46c6131df6ac6c9a38fbc3b22c68608555
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12217a8a22461c9eabf76e92d47c6e858767bd5a373f2182d9a5510eaca79db3
[INFO] running `Command { std: "docker" "start" "-a" "12217a8a22461c9eabf76e92d47c6e858767bd5a373f2182d9a5510eaca79db3", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "12217a8a22461c9eabf76e92d47c6e858767bd5a373f2182d9a5510eaca79db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12217a8a22461c9eabf76e92d47c6e858767bd5a373f2182d9a5510eaca79db3", kill_on_drop: false }`
[INFO] [stdout] 12217a8a22461c9eabf76e92d47c6e858767bd5a373f2182d9a5510eaca79db3
