[INFO] crate flowc 0.8.8 is already in cache
[INFO] documenting flowc-0.8.8 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate flowc 0.8.8 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate flowc 0.8.8 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 flowc 0.8.8
[INFO] finished tweaking crates.io crate flowc 0.8.8
[INFO] tweaked toml for crates.io crate flowc 0.8.8 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate flowc 0.8.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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] e772ff6ac18b761ccad49d1c05257130511d60dde17674bc3e347042eb98c69e
[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" "e772ff6ac18b761ccad49d1c05257130511d60dde17674bc3e347042eb98c69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e772ff6ac18b761ccad49d1c05257130511d60dde17674bc3e347042eb98c69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e772ff6ac18b761ccad49d1c05257130511d60dde17674bc3e347042eb98c69e", kill_on_drop: false }`
[INFO] [stdout] e772ff6ac18b761ccad49d1c05257130511d60dde17674bc3e347042eb98c69e
[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" "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] 8fbb350d7995efe2cc718b60b254a5db3ce28d282df4c9381354e60444844e02
[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" "8fbb350d7995efe2cc718b60b254a5db3ce28d282df4c9381354e60444844e02", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking strfmt v0.1.6
[INFO] [stderr]     Checking simpath v1.3.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking simplog v1.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.25
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking wasmi-validation v0.1.0
[INFO] [stderr]     Checking wasmi v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]     Checking multimap v0.5.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking erased-serde v0.3.10
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking flow_impl v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling shrinkwraprs v0.2.3
[INFO] [stderr]     Checking flowrlib v0.8.8
[INFO] [stderr]     Checking provider v0.8.8
[INFO] [stderr]     Checking flowclib v0.8.8
[INFO] [stderr]  Documenting flowc v0.8.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "8fbb350d7995efe2cc718b60b254a5db3ce28d282df4c9381354e60444844e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fbb350d7995efe2cc718b60b254a5db3ce28d282df4c9381354e60444844e02", kill_on_drop: false }`
[INFO] [stdout] 8fbb350d7995efe2cc718b60b254a5db3ce28d282df4c9381354e60444844e02