[INFO] fetching crate cc 1.0.69...
[INFO] documenting cc-1.0.69 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate cc 1.0.69 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cc 1.0.69 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cc 1.0.69
[INFO] finished tweaking crates.io crate cc 1.0.69
[INFO] tweaked toml for crates.io crate cc 1.0.69 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate cc 1.0.69 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18508ffd0f20d1b531e78737ccc14b7629b3eb17e52e1a03aa065985822e1e01
[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" "18508ffd0f20d1b531e78737ccc14b7629b3eb17e52e1a03aa065985822e1e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18508ffd0f20d1b531e78737ccc14b7629b3eb17e52e1a03aa065985822e1e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18508ffd0f20d1b531e78737ccc14b7629b3eb17e52e1a03aa065985822e1e01", kill_on_drop: false }`
[INFO] [stdout] 18508ffd0f20d1b531e78737ccc14b7629b3eb17e52e1a03aa065985822e1e01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ab8b811c0bd4b90f2f7e9f7ab1e034fdf5f57ac12db38aef119c01dfaa0e947
[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" "8ab8b811c0bd4b90f2f7e9f7ab1e034fdf5f57ac12db38aef119c01dfaa0e947", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cc v1.0.69 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting cc v1.0.69 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `cc::Build::get_cpp_link_stdlib`
[INFO] [stdout]    --> src/lib.rs:689:37
[INFO] [stdout]     |
[INFO] [stdout] 689 |     /// See [`get_cpp_link_stdlib`](cc::Build::get_cpp_link_stdlib) documentation
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `cc` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `cc::Build::cpp_link_stdlib`
[INFO] [stdout]     --> src/lib.rs:2291:33
[INFO] [stdout]      |
[INFO] [stdout] 2291 |     /// 1. If [cpp_link_stdlib](cc::Build::cpp_link_stdlib) is set, uses its value.
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `cc` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "8ab8b811c0bd4b90f2f7e9f7ab1e034fdf5f57ac12db38aef119c01dfaa0e947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab8b811c0bd4b90f2f7e9f7ab1e034fdf5f57ac12db38aef119c01dfaa0e947", kill_on_drop: false }`
[INFO] [stdout] 8ab8b811c0bd4b90f2f7e9f7ab1e034fdf5f57ac12db38aef119c01dfaa0e947
