[INFO] fetching crate duplexify 1.2.2...
[INFO] documenting duplexify-1.2.2 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate duplexify 1.2.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate duplexify 1.2.2 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 duplexify 1.2.2
[INFO] finished tweaking crates.io crate duplexify 1.2.2
[INFO] tweaked toml for crates.io crate duplexify 1.2.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate duplexify 1.2.2 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-mutex v1.2.0
[INFO] [stderr]   Downloaded polling v0.1.8
[INFO] [stderr]   Downloaded async-channel v1.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 3a0d10d43f2bd983278461f79bbcfa22f2e88ebf16e12f9fc2dcaaec2891a8c8
[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" "3a0d10d43f2bd983278461f79bbcfa22f2e88ebf16e12f9fc2dcaaec2891a8c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a0d10d43f2bd983278461f79bbcfa22f2e88ebf16e12f9fc2dcaaec2891a8c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a0d10d43f2bd983278461f79bbcfa22f2e88ebf16e12f9fc2dcaaec2891a8c8", kill_on_drop: false }`
[INFO] [stdout] 3a0d10d43f2bd983278461f79bbcfa22f2e88ebf16e12f9fc2dcaaec2891a8c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77672d2dfc8128a37b23a2ddd6a80a924b01cfa5535e916adef615ddfb83579b
[INFO] running `Command { std: "docker" "start" "-a" "77672d2dfc8128a37b23a2ddd6a80a924b01cfa5535e916adef615ddfb83579b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking fastrand v1.3.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking event-listener v2.4.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking vec-arena v0.5.2
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking async-channel v1.4.1
[INFO] [stderr]     Checking async-mutex v1.2.0
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking polling v0.1.8
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking async-std v1.6.3
[INFO] [stderr]  Documenting duplexify v1.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `missing_doc_code_examples` has been renamed to `rustdoc::missing_doc_code_examples`
[INFO] [stdout]   --> src/lib.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     missing_doc_code_examples,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::missing_doc_code_examples`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.13s
[INFO] running `Command { std: "docker" "inspect" "77672d2dfc8128a37b23a2ddd6a80a924b01cfa5535e916adef615ddfb83579b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77672d2dfc8128a37b23a2ddd6a80a924b01cfa5535e916adef615ddfb83579b", kill_on_drop: false }`
[INFO] [stdout] 77672d2dfc8128a37b23a2ddd6a80a924b01cfa5535e916adef615ddfb83579b
