[INFO] crate tabb 0.1.0 is already in cache
[INFO] documenting tabb-0.1.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate tabb 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tabb 0.1.0 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 tabb 0.1.0
[INFO] finished tweaking crates.io crate tabb 0.1.0
[INFO] tweaked toml for crates.io crate tabb 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate tabb 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 54b365baf8e7d864af45053b8d4d300d04c03997d54b4707ecb16533d7b96d22
[INFO] running `Command { std: "docker" "start" "-a" "54b365baf8e7d864af45053b8d4d300d04c03997d54b4707ecb16533d7b96d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54b365baf8e7d864af45053b8d4d300d04c03997d54b4707ecb16533d7b96d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b365baf8e7d864af45053b8d4d300d04c03997d54b4707ecb16533d7b96d22", kill_on_drop: false }`
[INFO] [stdout] 54b365baf8e7d864af45053b8d4d300d04c03997d54b4707ecb16533d7b96d22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 85178e48db50e9b0280d193254b6f16161fd2cc48968c1822095dc25e1c2a75f
[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" "85178e48db50e9b0280d193254b6f16161fd2cc48968c1822095dc25e1c2a75f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking termion v1.5.2
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]  Documenting tabb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.91s
[INFO] running `Command { std: "docker" "inspect" "85178e48db50e9b0280d193254b6f16161fd2cc48968c1822095dc25e1c2a75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85178e48db50e9b0280d193254b6f16161fd2cc48968c1822095dc25e1c2a75f", kill_on_drop: false }`
[INFO] [stdout] 85178e48db50e9b0280d193254b6f16161fd2cc48968c1822095dc25e1c2a75f