[INFO] crate color_counter 0.2.3 is already in cache
[INFO] documenting color_counter-0.2.3 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate color_counter 0.2.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate color_counter 0.2.3 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 color_counter 0.2.3
[INFO] finished tweaking crates.io crate color_counter 0.2.3
[INFO] tweaked toml for crates.io crate color_counter 0.2.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate color_counter 0.2.3 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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 1f55d35154aceb434c57c5b78bdfa1dfe53f99f3e8036ed60371a4f713516458
[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" "1f55d35154aceb434c57c5b78bdfa1dfe53f99f3e8036ed60371a4f713516458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f55d35154aceb434c57c5b78bdfa1dfe53f99f3e8036ed60371a4f713516458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f55d35154aceb434c57c5b78bdfa1dfe53f99f3e8036ed60371a4f713516458", kill_on_drop: false }`
[INFO] [stdout] 1f55d35154aceb434c57c5b78bdfa1dfe53f99f3e8036ed60371a4f713516458
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] ec82fd1e5d6bec549fff6fa703ee8450d3e9857d621fcfe5ad3575b147b927c1
[INFO] running `Command { std: "docker" "start" "-a" "ec82fd1e5d6bec549fff6fa703ee8450d3e9857d621fcfe5ad3575b147b927c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]     Checking color_processing v0.4.1
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]  Documenting color_counter v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.08s
[INFO] running `Command { std: "docker" "inspect" "ec82fd1e5d6bec549fff6fa703ee8450d3e9857d621fcfe5ad3575b147b927c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec82fd1e5d6bec549fff6fa703ee8450d3e9857d621fcfe5ad3575b147b927c1", kill_on_drop: false }`
[INFO] [stdout] ec82fd1e5d6bec549fff6fa703ee8450d3e9857d621fcfe5ad3575b147b927c1