[INFO] fetching crate icon-loader 0.3.1...
[INFO] documenting icon-loader-0.3.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate icon-loader 0.3.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate icon-loader 0.3.1 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 icon-loader 0.3.1
[INFO] finished tweaking crates.io crate icon-loader 0.3.1
[INFO] tweaked toml for crates.io crate icon-loader 0.3.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 hashbrown v0.7.2
[INFO] [stderr]   Downloaded dashmap v3.11.10
[INFO] [stderr]   Downloaded ahash v0.3.8
[INFO] [stderr]   Downloaded ordered-multimap v0.2.4
[INFO] [stderr]   Downloaded dlv-list v0.2.2
[INFO] [stderr]   Downloaded xdg v2.2.0
[INFO] [stderr]   Downloaded rust-ini v0.15.3
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e9d4aabd3f42694e9d2b5dfe9ec2766d75fe87b376faf314feb0426facd4cb24
[INFO] running `Command { std: "docker" "start" "-a" "e9d4aabd3f42694e9d2b5dfe9ec2766d75fe87b376faf314feb0426facd4cb24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9d4aabd3f42694e9d2b5dfe9ec2766d75fe87b376faf314feb0426facd4cb24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d4aabd3f42694e9d2b5dfe9ec2766d75fe87b376faf314feb0426facd4cb24", kill_on_drop: false }`
[INFO] [stdout] e9d4aabd3f42694e9d2b5dfe9ec2766d75fe87b376faf314feb0426facd4cb24
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1601b79dbb8d767848c8458ab78bf031ea29eccc8d21ae2004a16a2fd2d7d548
[INFO] running `Command { std: "docker" "start" "-a" "1601b79dbb8d767848c8458ab78bf031ea29eccc8d21ae2004a16a2fd2d7d548", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking dashmap v3.11.10
[INFO] [stderr]     Checking dlv-list v0.2.2
[INFO] [stderr]     Checking ordered-multimap v0.2.4
[INFO] [stderr]     Checking rust-ini v0.15.3
[INFO] [stderr]  Documenting icon-loader v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.12s
[INFO] running `Command { std: "docker" "inspect" "1601b79dbb8d767848c8458ab78bf031ea29eccc8d21ae2004a16a2fd2d7d548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1601b79dbb8d767848c8458ab78bf031ea29eccc8d21ae2004a16a2fd2d7d548", kill_on_drop: false }`
[INFO] [stdout] 1601b79dbb8d767848c8458ab78bf031ea29eccc8d21ae2004a16a2fd2d7d548