[INFO] fetching crate libimagcounter 0.4.0...
[INFO] documenting libimagcounter-0.4.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate libimagcounter 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate libimagcounter 0.4.0 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 libimagcounter 0.4.0
[INFO] finished tweaking crates.io crate libimagcounter 0.4.0
[INFO] tweaked toml for crates.io crate libimagcounter 0.4.0 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 00efb4bc3d016d4e94e3a9d77f5b342a708ef5f1de1702fbc32ceee1b7da9eb6
[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" "00efb4bc3d016d4e94e3a9d77f5b342a708ef5f1de1702fbc32ceee1b7da9eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00efb4bc3d016d4e94e3a9d77f5b342a708ef5f1de1702fbc32ceee1b7da9eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00efb4bc3d016d4e94e3a9d77f5b342a708ef5f1de1702fbc32ceee1b7da9eb6", kill_on_drop: false }`
[INFO] [stdout] 00efb4bc3d016d4e94e3a9d77f5b342a708ef5f1de1702fbc32ceee1b7da9eb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8df6972935499b645c215b3e2b6526d4f42429db76f1de1e37b49a672bd73110
[INFO] running `Command { std: "docker" "start" "-a" "8df6972935499b645c215b3e2b6526d4f42429db76f1de1e37b49a672bd73110", kill_on_drop: false }`
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking version v2.0.1
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking semver v0.8.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]     Checking libimagerror v0.4.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking libimagutil v0.4.0
[INFO] [stderr]     Checking toml-query v0.3.1
[INFO] [stderr]     Checking libimagstore v0.4.0
[INFO] [stderr]  Documenting libimagcounter v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.13s
[INFO] running `Command { std: "docker" "inspect" "8df6972935499b645c215b3e2b6526d4f42429db76f1de1e37b49a672bd73110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df6972935499b645c215b3e2b6526d4f42429db76f1de1e37b49a672bd73110", kill_on_drop: false }`
[INFO] [stdout] 8df6972935499b645c215b3e2b6526d4f42429db76f1de1e37b49a672bd73110