[INFO] fetching crate test262-harness 0.1.1...
[INFO] documenting test262-harness-0.1.1 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate test262-harness 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate test262-harness 0.1.1 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate test262-harness 0.1.1
[INFO] finished tweaking crates.io crate test262-harness 0.1.1
[INFO] tweaked toml for crates.io crate test262-harness 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c9b128a10d68a2a2565570e156a085c5d629464ebeb4f201ae16fb5013232c2
[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" "4c9b128a10d68a2a2565570e156a085c5d629464ebeb4f201ae16fb5013232c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c9b128a10d68a2a2565570e156a085c5d629464ebeb4f201ae16fb5013232c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9b128a10d68a2a2565570e156a085c5d629464ebeb4f201ae16fb5013232c2", kill_on_drop: false }`
[INFO] [stdout] 4c9b128a10d68a2a2565570e156a085c5d629464ebeb4f201ae16fb5013232c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cb9899f8fc8c35ce4b2e3134c9db05cd2ebe4f24c31d6a5d986ace97234ee84
[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" "3cb9899f8fc8c35ce4b2e3134c9db05cd2ebe4f24c31d6a5d986ace97234ee84", kill_on_drop: false }`
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]  Documenting test262-harness v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[CanBlock]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:188:15
[INFO] [stdout]     |
[INFO] [stdout] 188 |     /// the [[CanBlock]] record must be false
[INFO] [stdout]     |               ^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[CanBlock]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:191:15
[INFO] [stdout]     |
[INFO] [stdout] 191 |     /// the [[CanBlock]] record must be true
[INFO] [stdout]     |               ^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.87s
[INFO] running `Command { std: "docker" "inspect" "3cb9899f8fc8c35ce4b2e3134c9db05cd2ebe4f24c31d6a5d986ace97234ee84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb9899f8fc8c35ce4b2e3134c9db05cd2ebe4f24c31d6a5d986ace97234ee84", kill_on_drop: false }`
[INFO] [stdout] 3cb9899f8fc8c35ce4b2e3134c9db05cd2ebe4f24c31d6a5d986ace97234ee84