[INFO] fetching crate rusthesia 0.1.20...
[INFO] documenting rusthesia-0.1.20 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate rusthesia 0.1.20 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rusthesia 0.1.20 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 rusthesia 0.1.20
[INFO] finished tweaking crates.io crate rusthesia 0.1.20
[INFO] tweaked toml for crates.io crate rusthesia 0.1.20 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rusthesia 0.1.20 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f1755550b6c8da152a8bf47d42e93310136b1a6ee89823232ae2101da6d329b2
[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" "f1755550b6c8da152a8bf47d42e93310136b1a6ee89823232ae2101da6d329b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1755550b6c8da152a8bf47d42e93310136b1a6ee89823232ae2101da6d329b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1755550b6c8da152a8bf47d42e93310136b1a6ee89823232ae2101da6d329b2", kill_on_drop: false }`
[INFO] [stdout] f1755550b6c8da152a8bf47d42e93310136b1a6ee89823232ae2101da6d329b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] e0f7ebe322432ef333b6d52e275530754d9d07c940cc8159b5ef389c46cf6142
[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" "e0f7ebe322432ef333b6d52e275530754d9d07c940cc8159b5ef389c46cf6142", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling sdl2 v0.33.0
[INFO] [stderr]     Checking c_vec v1.3.3
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]     Checking piano_keyboard v0.2.2
[INFO] [stderr]    Compiling sdl2-sys v0.33.0
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.33
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking euclid v0.20.8
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking lyon_geom v0.14.1
[INFO] [stderr]     Checking lyon_path v0.14.0
[INFO] [stderr]     Checking font-kit v0.5.0
[INFO] [stderr]     Checking alsa v0.2.2
[INFO] [stderr]     Checking midir v0.5.0
[INFO] [stderr]     Checking sdl2_timing v0.2.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking midly v0.4.0
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[INFO] [stderr]     Checking indoc v0.3.4
[INFO] [stderr]  Documenting rusthesia v0.1.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.23s
[INFO] running `Command { std: "docker" "inspect" "e0f7ebe322432ef333b6d52e275530754d9d07c940cc8159b5ef389c46cf6142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0f7ebe322432ef333b6d52e275530754d9d07c940cc8159b5ef389c46cf6142", kill_on_drop: false }`
[INFO] [stdout] e0f7ebe322432ef333b6d52e275530754d9d07c940cc8159b5ef389c46cf6142