[INFO] fetching crate fm 0.4.0...
[INFO] documenting fm-0.4.0 against beta-2025-02-18 for beta-1.86-rustdoc-1
[INFO] extracting crate fm 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate fm 0.4.0 on toolchain beta-2025-02-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fm 0.4.0
[INFO] finished tweaking crates.io crate fm 0.4.0
[INFO] tweaked toml for crates.io crate fm 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 52 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 227da4c356a11ed3abd28626d60788d00117523a4250706ced01dedf95b621cb
[INFO] running `Command { std: "docker" "start" "-a" "227da4c356a11ed3abd28626d60788d00117523a4250706ced01dedf95b621cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "227da4c356a11ed3abd28626d60788d00117523a4250706ced01dedf95b621cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227da4c356a11ed3abd28626d60788d00117523a4250706ced01dedf95b621cb", kill_on_drop: false }`
[INFO] [stdout] 227da4c356a11ed3abd28626d60788d00117523a4250706ced01dedf95b621cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f15a0b62a389cab1ed6a0a09e54d28511f18caa8b676e4e2fe2eee105cd88fdb
[INFO] running `Command { std: "docker" "start" "-a" "f15a0b62a389cab1ed6a0a09e54d28511f18caa8b676e4e2fe2eee105cd88fdb", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]  Documenting fm v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `HashSet`
[INFO] [stdout]    --> src/lib.rs:184:15
[INFO] [stdout]     |
[INFO] [stdout] 184 |     /// to a [HashSet] and fails if the resulting set has fewer entries than the input hashmap:
[INFO] [stdout]     |               ^^^^^^^ no item named `HashSet` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.60s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/fm/index.html
[INFO] running `Command { std: "docker" "inspect" "f15a0b62a389cab1ed6a0a09e54d28511f18caa8b676e4e2fe2eee105cd88fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f15a0b62a389cab1ed6a0a09e54d28511f18caa8b676e4e2fe2eee105cd88fdb", kill_on_drop: false }`
[INFO] [stdout] f15a0b62a389cab1ed6a0a09e54d28511f18caa8b676e4e2fe2eee105cd88fdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4814a9db4532220ad2d1543e602909d9e92a767d8cc75e07dd6c3c83d5624a1a
[INFO] running `Command { std: "docker" "start" "-a" "4814a9db4532220ad2d1543e602909d9e92a767d8cc75e07dd6c3c83d5624a1a", kill_on_drop: false }`
[INFO] [stderr]  Documenting fm v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `HashSet`
[INFO] [stdout]    --> src/lib.rs:184:15
[INFO] [stdout]     |
[INFO] [stdout] 184 |     /// to a [HashSet] and fails if the resulting set has fewer entries than the input hashmap:
[INFO] [stdout]     |               ^^^^^^^ no item named `HashSet` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/fm/index.html
[INFO] running `Command { std: "docker" "inspect" "4814a9db4532220ad2d1543e602909d9e92a767d8cc75e07dd6c3c83d5624a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4814a9db4532220ad2d1543e602909d9e92a767d8cc75e07dd6c3c83d5624a1a", kill_on_drop: false }`
[INFO] [stdout] 4814a9db4532220ad2d1543e602909d9e92a767d8cc75e07dd6c3c83d5624a1a