[INFO] fetching crate emojifinder-builder 0.1.0...
[INFO] documenting emojifinder-builder-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate emojifinder-builder 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate emojifinder-builder 0.1.0 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 emojifinder-builder 0.1.0
[INFO] finished tweaking crates.io crate emojifinder-builder 0.1.0
[INFO] tweaked toml for crates.io crate emojifinder-builder 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate emojifinder-builder 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lz4 v1.23.1
[INFO] [stderr]   Downloaded emojifinder-core v0.1.0
[INFO] [stderr]   Downloaded exitcode v1.1.2
[INFO] [stderr]   Downloaded rmp v0.8.8
[INFO] [stderr]   Downloaded lz4-sys v1.8.3
[INFO] [stderr]   Downloaded num-iter v0.1.39
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.18
[INFO] [stderr]   Downloaded rmp-serde v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 10f11137b70c0e560d3487c34229d94ea6dff25b7c862534f9f5c555fde6a3ae
[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" "10f11137b70c0e560d3487c34229d94ea6dff25b7c862534f9f5c555fde6a3ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10f11137b70c0e560d3487c34229d94ea6dff25b7c862534f9f5c555fde6a3ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10f11137b70c0e560d3487c34229d94ea6dff25b7c862534f9f5c555fde6a3ae", kill_on_drop: false }`
[INFO] [stdout] 10f11137b70c0e560d3487c34229d94ea6dff25b7c862534f9f5c555fde6a3ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 2ad2c800d4a812f93c7d2183817bee3501b2b9a0730c02a31e00e9950c2da958
[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" "2ad2c800d4a812f93c7d2183817bee3501b2b9a0730c02a31e00e9950c2da958", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking xmlparser v0.10.0
[INFO] [stderr]    Compiling lz4-sys v1.8.3
[INFO] [stderr]    Compiling nsvg v0.5.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking rmp v0.8.8
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking roxmltree v0.7.3
[INFO] [stderr]     Checking trigram v0.4.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking rmp-serde v0.14.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling lz4 v1.23.1
[INFO] [stderr]     Checking emojifinder-core v0.1.0
[INFO] [stderr]  Documenting emojifinder-builder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "2ad2c800d4a812f93c7d2183817bee3501b2b9a0730c02a31e00e9950c2da958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ad2c800d4a812f93c7d2183817bee3501b2b9a0730c02a31e00e9950c2da958", kill_on_drop: false }`
[INFO] [stdout] 2ad2c800d4a812f93c7d2183817bee3501b2b9a0730c02a31e00e9950c2da958