[INFO] fetching crate ufe_abe 0.0.2...
[INFO] documenting ufe_abe-0.0.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate ufe_abe 0.0.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ufe_abe 0.0.2 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 ufe_abe 0.0.2
[INFO] finished tweaking crates.io crate ufe_abe 0.0.2
[INFO] tweaked toml for crates.io crate ufe_abe 0.0.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate ufe_abe 0.0.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 2a77285106ddee8a58ef78eb114595d7f75760bd7c8b993e19ad8676ca59bf48
[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" "2a77285106ddee8a58ef78eb114595d7f75760bd7c8b993e19ad8676ca59bf48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a77285106ddee8a58ef78eb114595d7f75760bd7c8b993e19ad8676ca59bf48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a77285106ddee8a58ef78eb114595d7f75760bd7c8b993e19ad8676ca59bf48", kill_on_drop: false }`
[INFO] [stdout] 2a77285106ddee8a58ef78eb114595d7f75760bd7c8b993e19ad8676ca59bf48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8f24abc5cd7ef2349f18a225acc3f3b5da2ff437967a6419dd939760c1fe4b4f
[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" "8f24abc5cd7ef2349f18a225acc3f3b5da2ff437967a6419dd939760c1fe4b4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking inplace_it v0.3.2
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking wgpu-types v0.6.0
[INFO] [stderr]     Checking x11 v2.18.2
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking spirv_headers v1.4.2
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking pbr v1.0.3
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]     Checking gfx-descriptor v0.2.0
[INFO] [stderr]     Checking gfx-backend-empty v0.6.0
[INFO] [stderr]     Checking gfx-memory v0.2.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking naga v0.2.0
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking gfx-backend-vulkan v0.6.1
[INFO] [stderr]     Checking wgpu-core v0.6.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking wgpu v0.6.0
[INFO] [stderr]  Documenting ufe_abe v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.56s
[INFO] running `Command { std: "docker" "inspect" "8f24abc5cd7ef2349f18a225acc3f3b5da2ff437967a6419dd939760c1fe4b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f24abc5cd7ef2349f18a225acc3f3b5da2ff437967a6419dd939760c1fe4b4f", kill_on_drop: false }`
[INFO] [stdout] 8f24abc5cd7ef2349f18a225acc3f3b5da2ff437967a6419dd939760c1fe4b4f