[INFO] cloning repository https://github.com/rustwasm/twiggy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rustwasm/twiggy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustwasm%2Ftwiggy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustwasm%2Ftwiggy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e8cfc58d7fdd88da1e37e51761b7b39e1d944e8
[INFO] documenting rustwasm/twiggy 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%2Frustwasm%2Ftwiggy" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rustwasm/twiggy 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/rustwasm/twiggy
[INFO] finished tweaking git repo https://github.com/rustwasm/twiggy
[INFO] tweaked toml for git repo https://github.com/rustwasm/twiggy written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/rustwasm/twiggy 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] c880a16ab64c3fdd47117a3f17d32ed21f92139e2619a75fa675082435962958
[INFO] running `Command { std: "docker" "start" "-a" "c880a16ab64c3fdd47117a3f17d32ed21f92139e2619a75fa675082435962958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c880a16ab64c3fdd47117a3f17d32ed21f92139e2619a75fa675082435962958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c880a16ab64c3fdd47117a3f17d32ed21f92139e2619a75fa675082435962958", kill_on_drop: false }`
[INFO] [stdout] c880a16ab64c3fdd47117a3f17d32ed21f92139e2619a75fa675082435962958
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 287d0edfde804e3dd15e98f397a4419a42a64e1a9fc18e3f43fc7499e8367af6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "287d0edfde804e3dd15e98f397a4419a42a64e1a9fc18e3f43fc7499e8367af6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling cc v1.0.24
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]     Checking fixedbitset v0.4.0
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking frozen v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.69
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling bumpalo v3.1.1
[INFO] [stderr]     Checking wasmparser v0.35.3
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking rustop v1.1.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]     Checking thread_local v1.0.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling quote v1.0.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking petgraph v0.6.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking flate2 v1.0.2
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling twiggy-opt v0.7.0 (/opt/rustwide/workdir/opt)
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking goblin v0.1.1
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking object v0.17.0
[INFO] [stderr]     Checking twiggy-ir v0.7.0 (/opt/rustwide/workdir/ir)
[INFO] [stderr]     Checking cargo_toml v0.11.5
[INFO] [stderr]  Documenting twiggy-ir v0.7.0 (/opt/rustwide/workdir/ir)
[INFO] [stdout] warning: field is never read: `roots`
[INFO] [stdout]    --> ir/./ir.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 149 |     roots: Frozen<BTreeSet<Id>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Items` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> ir/./ir.rs:140:10
[INFO] [stdout]     |
[INFO] [stdout] 140 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking twiggy-traits v0.7.0 (/opt/rustwide/workdir/traits)
[INFO] [stderr]  Documenting twiggy-traits v0.7.0 (/opt/rustwide/workdir/traits)
[INFO] [stderr]  Documenting twiggy-opt v0.7.0 (/opt/rustwide/workdir/opt)
[INFO] [stderr]     Checking twiggy-parser v0.7.0 (/opt/rustwide/workdir/parser)
[INFO] [stderr]  Documenting twiggy-parser v0.7.0 (/opt/rustwide/workdir/parser)
[INFO] [stderr]     Checking twiggy-analyze v0.7.0 (/opt/rustwide/workdir/analyze)
[INFO] [stderr]  Documenting twiggy-analyze v0.7.0 (/opt/rustwide/workdir/analyze)
[INFO] [stderr]  Documenting job_runner v0.1.0 (/opt/rustwide/workdir/job_runner)
[INFO] [stderr]  Documenting twiggy-wasm-api v0.7.0 (/opt/rustwide/workdir/wasm-api)
[INFO] [stderr]  Documenting twiggy v0.7.0 (/opt/rustwide/workdir/twiggy)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `Command { std: "docker" "inspect" "287d0edfde804e3dd15e98f397a4419a42a64e1a9fc18e3f43fc7499e8367af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "287d0edfde804e3dd15e98f397a4419a42a64e1a9fc18e3f43fc7499e8367af6", kill_on_drop: false }`
[INFO] [stdout] 287d0edfde804e3dd15e98f397a4419a42a64e1a9fc18e3f43fc7499e8367af6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] 16fe02bb2d5676999c603dce35d61d5977543d6c44b0c2ffe02020b9df47525e
[INFO] running `Command { std: "docker" "start" "-a" "16fe02bb2d5676999c603dce35d61d5977543d6c44b0c2ffe02020b9df47525e", kill_on_drop: false }`
[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" "16fe02bb2d5676999c603dce35d61d5977543d6c44b0c2ffe02020b9df47525e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16fe02bb2d5676999c603dce35d61d5977543d6c44b0c2ffe02020b9df47525e", kill_on_drop: false }`
[INFO] [stdout] 16fe02bb2d5676999c603dce35d61d5977543d6c44b0c2ffe02020b9df47525e