[INFO] crate regtest 0.3.5 is already in cache
[INFO] documenting regtest-0.3.5 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate regtest 0.3.5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate regtest 0.3.5 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 regtest 0.3.5
[INFO] finished tweaking crates.io crate regtest 0.3.5
[INFO] tweaked toml for crates.io crate regtest 0.3.5 written to /workspace/builds/worker-8/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-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" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7763d43fb7c41eb171c690842b8c3db34a145bdff6c3e83c149cc4b20ee3bbc8
[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" "7763d43fb7c41eb171c690842b8c3db34a145bdff6c3e83c149cc4b20ee3bbc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7763d43fb7c41eb171c690842b8c3db34a145bdff6c3e83c149cc4b20ee3bbc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7763d43fb7c41eb171c690842b8c3db34a145bdff6c3e83c149cc4b20ee3bbc8", kill_on_drop: false }`
[INFO] [stdout] 7763d43fb7c41eb171c690842b8c3db34a145bdff6c3e83c149cc4b20ee3bbc8
[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" "+394e1b40d264aa6928811919c1124fa248e7d802" "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] efc700ae43bc25d1477307ac1c534106ce45d3562b825d048823002d97f9d176
[INFO] running `Command { std: "docker" "start" "-a" "efc700ae43bc25d1477307ac1c534106ce45d3562b825d048823002d97f9d176", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]  Documenting regtest v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.28s
[INFO] running `Command { std: "docker" "inspect" "efc700ae43bc25d1477307ac1c534106ce45d3562b825d048823002d97f9d176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efc700ae43bc25d1477307ac1c534106ce45d3562b825d048823002d97f9d176", kill_on_drop: false }`
[INFO] [stdout] efc700ae43bc25d1477307ac1c534106ce45d3562b825d048823002d97f9d176