[INFO] fetching crate pipe-logger 1.1.12...
[INFO] documenting pipe-logger-1.1.12 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate pipe-logger 1.1.12 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate pipe-logger 1.1.12 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pipe-logger 1.1.12
[INFO] finished tweaking crates.io crate pipe-logger 1.1.12
[INFO] tweaked toml for crates.io crate pipe-logger 1.1.12 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate pipe-logger 1.1.12 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded concat-with v0.2.0
[INFO] [stderr]   Downloaded path-dedot v3.0.0
[INFO] [stderr]   Downloaded byte-unit v4.0.4
[INFO] [stderr]   Downloaded pipe-logger-lib v1.1.10
[INFO] [stderr]   Downloaded path-absolutize v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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-2020-08-29" "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] ee50510209f09f7050a78ec07deb918dc4662bd0d73f261d4ee47458743bbbf7
[INFO] running `Command { std: "docker" "start" "-a" "ee50510209f09f7050a78ec07deb918dc4662bd0d73f261d4ee47458743bbbf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee50510209f09f7050a78ec07deb918dc4662bd0d73f261d4ee47458743bbbf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee50510209f09f7050a78ec07deb918dc4662bd0d73f261d4ee47458743bbbf7", kill_on_drop: false }`
[INFO] [stdout] ee50510209f09f7050a78ec07deb918dc4662bd0d73f261d4ee47458743bbbf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86e4c38a5ae09e25ef655f77c9516a0276ea14a603cc07aaac398ff75c2cb08c
[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" "86e4c38a5ae09e25ef655f77c9516a0276ea14a603cc07aaac398ff75c2cb08c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking concat-with v0.2.0
[INFO] [stderr]     Checking byte-unit v4.0.4
[INFO] [stderr]     Checking path-dedot v3.0.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking path-absolutize v3.0.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling lzma-sys v0.1.16
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking pipe-logger-lib v1.1.10
[INFO] [stderr]  Documenting pipe-logger v1.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.36s
[INFO] running `Command { std: "docker" "inspect" "86e4c38a5ae09e25ef655f77c9516a0276ea14a603cc07aaac398ff75c2cb08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e4c38a5ae09e25ef655f77c9516a0276ea14a603cc07aaac398ff75c2cb08c", kill_on_drop: false }`
[INFO] [stdout] 86e4c38a5ae09e25ef655f77c9516a0276ea14a603cc07aaac398ff75c2cb08c