[INFO] crate rustep 0.1.2 is already in cache
[INFO] documenting rustep-0.1.2 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate rustep 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rustep 0.1.2 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 rustep 0.1.2
[INFO] finished tweaking crates.io crate rustep 0.1.2
[INFO] tweaked toml for crates.io crate rustep 0.1.2 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] c094875d7986e3c76442e949108a00bae8f5f781d202451f581235d04e6b52ed
[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" "c094875d7986e3c76442e949108a00bae8f5f781d202451f581235d04e6b52ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c094875d7986e3c76442e949108a00bae8f5f781d202451f581235d04e6b52ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c094875d7986e3c76442e949108a00bae8f5f781d202451f581235d04e6b52ed", kill_on_drop: false }`
[INFO] [stdout] c094875d7986e3c76442e949108a00bae8f5f781d202451f581235d04e6b52ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] e9c4ac4b30ba8bac9fe43033570e00b1963c8feb84b6054e243145b316e831da
[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" "e9c4ac4b30ba8bac9fe43033570e00b1963c8feb84b6054e243145b316e831da", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking enumflags v0.3.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking addr2line v0.12.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling enumflags_derive v0.4.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting rustep v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.53s
[INFO] running `Command { std: "docker" "inspect" "e9c4ac4b30ba8bac9fe43033570e00b1963c8feb84b6054e243145b316e831da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c4ac4b30ba8bac9fe43033570e00b1963c8feb84b6054e243145b316e831da", kill_on_drop: false }`
[INFO] [stdout] e9c4ac4b30ba8bac9fe43033570e00b1963c8feb84b6054e243145b316e831da