[INFO] fetching crate mpqtool 0.1.4...
[INFO] documenting mpqtool-0.1.4 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate mpqtool 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mpqtool 0.1.4 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mpqtool 0.1.4
[INFO] finished tweaking crates.io crate mpqtool 0.1.4
[INFO] tweaked toml for crates.io crate mpqtool 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mpqtool 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded err-derive v0.1.6
[INFO] [stderr]   Downloaded slash-formatter v2.2.5
[INFO] [stderr]   Downloaded err-derive v0.2.2
[INFO] [stderr]   Downloaded path-absolutize v1.1.7
[INFO] [stderr]   Downloaded byte-slice-cast v0.3.5
[INFO] [stderr]   Downloaded path-dedot v1.1.13
[INFO] [stderr]   Downloaded ceres-mpq v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10e9f70683b34586af2a151338a5a5e3ee50122e3c51545cbebf7707c3a44982
[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" "10e9f70683b34586af2a151338a5a5e3ee50122e3c51545cbebf7707c3a44982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10e9f70683b34586af2a151338a5a5e3ee50122e3c51545cbebf7707c3a44982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10e9f70683b34586af2a151338a5a5e3ee50122e3c51545cbebf7707c3a44982", kill_on_drop: false }`
[INFO] [stdout] 10e9f70683b34586af2a151338a5a5e3ee50122e3c51545cbebf7707c3a44982
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 8a567b3f3249f2ee08f0b63c033b6049ded9c17263aebe0839030d19b60d2f2b
[INFO] running `Command { std: "docker" "start" "-a" "8a567b3f3249f2ee08f0b63c033b6049ded9c17263aebe0839030d19b60d2f2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking slash-formatter v2.2.5
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking path-dedot v1.1.13
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling err-derive v0.1.6
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking path-absolutize v1.1.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling err-derive v0.2.2
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]     Checking ceres-mpq v0.1.8
[INFO] [stderr]  Documenting mpqtool v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.80s
[INFO] running `Command { std: "docker" "inspect" "8a567b3f3249f2ee08f0b63c033b6049ded9c17263aebe0839030d19b60d2f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a567b3f3249f2ee08f0b63c033b6049ded9c17263aebe0839030d19b60d2f2b", kill_on_drop: false }`
[INFO] [stdout] 8a567b3f3249f2ee08f0b63c033b6049ded9c17263aebe0839030d19b60d2f2b
