[INFO] fetching crate sourmash 0.9.0...
[INFO] documenting sourmash-0.9.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate sourmash 0.9.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sourmash 0.9.0 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 sourmash 0.9.0
[INFO] finished tweaking crates.io crate sourmash 0.9.0
[INFO] tweaked toml for crates.io crate sourmash 0.9.0 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 murmurhash3 v0.0.5
[INFO] [stderr]   Downloaded niffler v2.2.0
[INFO] [stderr]   Downloaded needletail v0.4.0
[INFO] [stderr]   Downloaded typed-builder v0.6.0
[INFO] [stderr]   Downloaded finch v0.3.0
[INFO] [stderr]   Downloaded fixedbitset v0.3.1
[INFO] [stderr]   Downloaded getset v0.1.1
[INFO] [stderr]   Downloaded needletail v0.3.2
[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] 1cb5036fa1a2172cfc936d7ce1fce88a4da3eb1f3c8af962a2682be8bdebfaea
[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" "1cb5036fa1a2172cfc936d7ce1fce88a4da3eb1f3c8af962a2682be8bdebfaea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cb5036fa1a2172cfc936d7ce1fce88a4da3eb1f3c8af962a2682be8bdebfaea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cb5036fa1a2172cfc936d7ce1fce88a4da3eb1f3c8af962a2682be8bdebfaea", kill_on_drop: false }`
[INFO] [stdout] 1cb5036fa1a2172cfc936d7ce1fce88a4da3eb1f3c8af962a2682be8bdebfaea
[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] 65b7906e1691442d0a1c19172abedcdda2e3e7c6c0d1330b09c821ff2cb3e4b6
[INFO] running `Command { std: "docker" "start" "-a" "65b7906e1691442d0a1c19172abedcdda2e3e7c6c0d1330b09c821ff2cb3e4b6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking murmurhash3 v0.0.5
[INFO] [stderr]     Checking fixedbitset v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling typed-builder v0.6.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking niffler v2.2.0
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]  Documenting sourmash v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.10s
[INFO] running `Command { std: "docker" "inspect" "65b7906e1691442d0a1c19172abedcdda2e3e7c6c0d1330b09c821ff2cb3e4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65b7906e1691442d0a1c19172abedcdda2e3e7c6c0d1330b09c821ff2cb3e4b6", kill_on_drop: false }`
[INFO] [stdout] 65b7906e1691442d0a1c19172abedcdda2e3e7c6c0d1330b09c821ff2cb3e4b6