[INFO] fetching crate loom 0.3.4...
[INFO] documenting loom-0.3.4 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate loom 0.3.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate loom 0.3.4 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate loom 0.3.4
[INFO] finished tweaking crates.io crate loom 0.3.4
[INFO] tweaked toml for crates.io crate loom 0.3.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 294967c4cfe0f5d404e3c4ed003595d1eaf8ca4284fad36545fb752038eaea95
[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" "294967c4cfe0f5d404e3c4ed003595d1eaf8ca4284fad36545fb752038eaea95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "294967c4cfe0f5d404e3c4ed003595d1eaf8ca4284fad36545fb752038eaea95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "294967c4cfe0f5d404e3c4ed003595d1eaf8ca4284fad36545fb752038eaea95", kill_on_drop: false }`
[INFO] [stdout] 294967c4cfe0f5d404e3c4ed003595d1eaf8ca4284fad36545fb752038eaea95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f4aa62cf4f3efff80711dbbf2fb349808679879810c1348e174d22dbe129918
[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" "4f4aa62cf4f3efff80711dbbf2fb349808679879810c1348e174d22dbe129918", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling generator v0.6.21
[INFO] [stderr]  Documenting loom v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[weak]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/sync/arc.rs:38:36
[INFO] [stdout]    |
[INFO] [stdout] 38 |     /// no other `Arc` or [`Weak`][weak] pointers to the same value.
[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: `[weak]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/sync/arc.rs:38:36
[INFO] [stdout]    |
[INFO] [stdout] 38 |     /// no other `Arc` or [`Weak`][weak] pointers to the same value.
[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 4.75s
[INFO] running `Command { std: "docker" "inspect" "4f4aa62cf4f3efff80711dbbf2fb349808679879810c1348e174d22dbe129918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f4aa62cf4f3efff80711dbbf2fb349808679879810c1348e174d22dbe129918", kill_on_drop: false }`
[INFO] [stdout] 4f4aa62cf4f3efff80711dbbf2fb349808679879810c1348e174d22dbe129918