[INFO] fetching crate scavenger 1.7.6...
[INFO] documenting scavenger-1.7.6 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate scavenger 1.7.6 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate scavenger 1.7.6 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 scavenger 1.7.6
[INFO] finished tweaking crates.io crate scavenger 1.7.6
[INFO] tweaked toml for crates.io crate scavenger 1.7.6 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 5709f2c20aae94b4fb90f8c31c419dd5312136ade6afb537371579f61bbe8beb
[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" "5709f2c20aae94b4fb90f8c31c419dd5312136ade6afb537371579f61bbe8beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5709f2c20aae94b4fb90f8c31c419dd5312136ade6afb537371579f61bbe8beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5709f2c20aae94b4fb90f8c31c419dd5312136ade6afb537371579f61bbe8beb", kill_on_drop: false }`
[INFO] [stdout] 5709f2c20aae94b4fb90f8c31c419dd5312136ade6afb537371579f61bbe8beb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d45e784b7c353f7bbae510d9adf35f9661fa6d3ae4e9d6dcdd43bcdf80038079
[INFO] running `Command { std: "docker" "start" "-a" "d45e784b7c353f7bbae510d9adf35f9661fa6d3ae4e9d6dcdd43bcdf80038079", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]    Compiling scavenger v1.7.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking ring v0.16.15
[INFO] [stderr]     Checking core_affinity v0.5.10
[INFO] [stderr]     Checking pbr v1.0.3
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking clap v2.30.0
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking tokio-rustls v0.10.3
[INFO] [stderr]     Checking hyper-rustls v0.17.1
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]  Documenting scavenger v1.7.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.96s
[INFO] running `Command { std: "docker" "inspect" "d45e784b7c353f7bbae510d9adf35f9661fa6d3ae4e9d6dcdd43bcdf80038079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d45e784b7c353f7bbae510d9adf35f9661fa6d3ae4e9d6dcdd43bcdf80038079", kill_on_drop: false }`
[INFO] [stdout] d45e784b7c353f7bbae510d9adf35f9661fa6d3ae4e9d6dcdd43bcdf80038079