[INFO] fetching crate observer 0.2.4...
[INFO] documenting observer-0.2.4 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate observer 0.2.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate observer 0.2.4 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 observer 0.2.4
[INFO] finished tweaking crates.io crate observer 0.2.4
[INFO] tweaked toml for crates.io crate observer 0.2.4 written to /workspace/builds/worker-6/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] [stderr]     Blocking waiting for file lock on package cache
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0226b2755e4c66779d3bcc2660ca49a8d773d3100cfdaf3bd69a57994d6e7090
[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" "0226b2755e4c66779d3bcc2660ca49a8d773d3100cfdaf3bd69a57994d6e7090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0226b2755e4c66779d3bcc2660ca49a8d773d3100cfdaf3bd69a57994d6e7090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0226b2755e4c66779d3bcc2660ca49a8d773d3100cfdaf3bd69a57994d6e7090", kill_on_drop: false }`
[INFO] [stdout] 0226b2755e4c66779d3bcc2660ca49a8d773d3100cfdaf3bd69a57994d6e7090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 85764395351fa95d91e850d0c225e2fa657dcb2ed111cdec675f4d07cc202f7e
[INFO] running `Command { std: "docker" "start" "-a" "85764395351fa95d91e850d0c225e2fa657dcb2ed111cdec675f4d07cc202f7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking sqlparser v0.5.1
[INFO] [stderr]     Checking log4rs v0.11.0
[INFO] [stderr]     Checking diesel v1.4.5
[INFO] [stderr]    Compiling observer_attribute v0.1.8
[INFO] [stderr]     Checking r2d2-diesel v1.0.0
[INFO] [stderr]  Documenting observer v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.27s
[INFO] running `Command { std: "docker" "inspect" "85764395351fa95d91e850d0c225e2fa657dcb2ed111cdec675f4d07cc202f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85764395351fa95d91e850d0c225e2fa657dcb2ed111cdec675f4d07cc202f7e", kill_on_drop: false }`
[INFO] [stdout] 85764395351fa95d91e850d0c225e2fa657dcb2ed111cdec675f4d07cc202f7e