[INFO] crate erst 0.3.0 is already in cache
[INFO] documenting erst-0.3.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate erst 0.3.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate erst 0.3.0 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 erst 0.3.0
[INFO] finished tweaking crates.io crate erst 0.3.0
[INFO] tweaked toml for crates.io crate erst 0.3.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate erst 0.3.0 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 53df7041368a88efb6df81d6465b24db7b5aabbfdc2e1cd8be157238b04ea245
[INFO] running `Command { std: "docker" "start" "-a" "53df7041368a88efb6df81d6465b24db7b5aabbfdc2e1cd8be157238b04ea245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53df7041368a88efb6df81d6465b24db7b5aabbfdc2e1cd8be157238b04ea245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53df7041368a88efb6df81d6465b24db7b5aabbfdc2e1cd8be157238b04ea245", kill_on_drop: false }`
[INFO] [stdout] 53df7041368a88efb6df81d6465b24db7b5aabbfdc2e1cd8be157238b04ea245
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] d5c3aeef36aab8a2cc695b8d96c755b4ac320cd5ffa302f112ea0553085aa871
[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" "d5c3aeef36aab8a2cc695b8d96c755b4ac320cd5ffa302f112ea0553085aa871", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking pest v2.1.1
[INFO] [stderr]    Compiling regex-syntax v0.6.10
[INFO] [stderr]    Compiling regex-automata v0.1.7
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]     Checking bstr v0.1.4
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling erst-shared v0.3.0
[INFO] [stderr]    Compiling erst-derive v0.3.0
[INFO] [stderr]  Documenting erst v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.09s
[INFO] running `Command { std: "docker" "inspect" "d5c3aeef36aab8a2cc695b8d96c755b4ac320cd5ffa302f112ea0553085aa871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c3aeef36aab8a2cc695b8d96c755b4ac320cd5ffa302f112ea0553085aa871", kill_on_drop: false }`
[INFO] [stdout] d5c3aeef36aab8a2cc695b8d96c755b4ac320cd5ffa302f112ea0553085aa871