[INFO] fetching crate pretty_trace 0.3.2...
[INFO] documenting pretty_trace-0.3.2 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate pretty_trace 0.3.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pretty_trace 0.3.2 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pretty_trace 0.3.2
[INFO] finished tweaking crates.io crate pretty_trace 0.3.2
[INFO] tweaked toml for crates.io crate pretty_trace 0.3.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate pretty_trace 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e743047710d259b78ea410f2fcd88d595dfec2c4e7c789970ed495d714dedf5a
[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" "e743047710d259b78ea410f2fcd88d595dfec2c4e7c789970ed495d714dedf5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e743047710d259b78ea410f2fcd88d595dfec2c4e7c789970ed495d714dedf5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e743047710d259b78ea410f2fcd88d595dfec2c4e7c789970ed495d714dedf5a", kill_on_drop: false }`
[INFO] [stdout] e743047710d259b78ea410f2fcd88d595dfec2c4e7c789970ed495d714dedf5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.46.0" "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] e73b218c75aea3de14672b4d3c034c81ef438317d4138b4c518d1e1553162139
[INFO] running `Command { std: "docker" "start" "-a" "e73b218c75aea3de14672b4d3c034c81ef438317d4138b4c518d1e1553162139", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking permutation v0.2.5
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]     Checking stats_utils v0.1.1
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking vector_utils v0.1.3
[INFO] [stderr]     Checking string_utils v0.1.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking lz4 v1.23.2
[INFO] [stderr]     Checking io_utils v0.2.6
[INFO] [stderr]  Documenting pretty_trace v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.77s
[INFO] running `Command { std: "docker" "inspect" "e73b218c75aea3de14672b4d3c034c81ef438317d4138b4c518d1e1553162139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73b218c75aea3de14672b4d3c034c81ef438317d4138b4c518d1e1553162139", kill_on_drop: false }`
[INFO] [stdout] e73b218c75aea3de14672b4d3c034c81ef438317d4138b4c518d1e1553162139