[INFO] fetching crate asio 0.1.0...
[INFO] documenting asio-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate asio 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate asio 0.1.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate asio 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate asio 0.1.0
[INFO] tweaked toml for crates.io crate asio 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8706a6e1a1be5716c94a4ee68116a32089ccdff055d2615c83b3c8a0f54460cc
[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" "8706a6e1a1be5716c94a4ee68116a32089ccdff055d2615c83b3c8a0f54460cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8706a6e1a1be5716c94a4ee68116a32089ccdff055d2615c83b3c8a0f54460cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8706a6e1a1be5716c94a4ee68116a32089ccdff055d2615c83b3c8a0f54460cc", kill_on_drop: false }`
[INFO] [stdout] 8706a6e1a1be5716c94a4ee68116a32089ccdff055d2615c83b3c8a0f54460cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.61.0" "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] aa64ab41f7067553c086065fbd8dfb3e213fc99e051ea81b30cee38783e1be95
[INFO] running `Command { std: "docker" "start" "-a" "aa64ab41f7067553c086065fbd8dfb3e213fc99e051ea81b30cee38783e1be95", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]  Documenting asio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0276]: impl has stricter requirements than trait
[INFO] [stdout]   --> src/loop_scheduler.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn post<F : FnOnce() + 'static>(&self, f: F) {
[INFO] [stdout]    |                            ^^^^^^^ impl has extra requirement `F: 'static`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/executor.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  |     fn post<F : FnOnce()>(&self, f: F);
[INFO] [stdout]    |     ----------------------------------- definition of `post` from trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0276]: impl has stricter requirements than trait
[INFO] [stdout]    --> src/io_service.rs:118:28
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn post<F : FnOnce() + 'static>(&self, f: F) {
[INFO] [stdout]     |                            ^^^^^^^ impl has extra requirement `F: 'static`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/executor.rs:9:5
[INFO] [stdout]     |
[INFO] [stdout] 9   |     fn post<F : FnOnce()>(&self, f: F);
[INFO] [stdout]     |     ----------------------------------- definition of `post` from trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0276`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `asio`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name asio src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c97bbf4ae0e4534b -L dependency=/opt/rustwide/target/debug/deps --extern mio=/opt/rustwide/target/debug/deps/libmio-9730987ac16cfdb8.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "aa64ab41f7067553c086065fbd8dfb3e213fc99e051ea81b30cee38783e1be95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa64ab41f7067553c086065fbd8dfb3e213fc99e051ea81b30cee38783e1be95", kill_on_drop: false }`
[INFO] [stdout] aa64ab41f7067553c086065fbd8dfb3e213fc99e051ea81b30cee38783e1be95