[INFO] fetching crate evcxr_jupyter 0.5.3...
[INFO] documenting evcxr_jupyter-0.5.3 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate evcxr_jupyter 0.5.3 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate evcxr_jupyter 0.5.3 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 evcxr_jupyter 0.5.3
[INFO] finished tweaking crates.io crate evcxr_jupyter 0.5.3
[INFO] tweaked toml for crates.io crate evcxr_jupyter 0.5.3 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate evcxr_jupyter 0.5.3 already has a lockfile, it will not be regenerated
[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 zeromq-src v0.1.10+4.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 61443859fc67b9a495f0abc3937b2774b3ff45de52ff2ae47130836d802aabb5
[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" "61443859fc67b9a495f0abc3937b2774b3ff45de52ff2ae47130836d802aabb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61443859fc67b9a495f0abc3937b2774b3ff45de52ff2ae47130836d802aabb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61443859fc67b9a495f0abc3937b2774b3ff45de52ff2ae47130836d802aabb5", kill_on_drop: false }`
[INFO] [stdout] 61443859fc67b9a495f0abc3937b2774b3ff45de52ff2ae47130836d802aabb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 5aa73d0e45b7332f89b652956ef1ec60fdba501114a77a686334485059fdfac7
[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" "5aa73d0e45b7332f89b652956ef1ec60fdba501114a77a686334485059fdfac7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling zeromq-src v0.1.10+4.3.2
[INFO] [stderr]     Checking proc-macro2 v1.0.19
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking sig v1.0.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking libloading v0.5.2
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking which v2.0.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking evcxr v0.5.3
[INFO] [stderr]  Documenting evcxr_jupyter v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.51s
[INFO] running `Command { std: "docker" "inspect" "5aa73d0e45b7332f89b652956ef1ec60fdba501114a77a686334485059fdfac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aa73d0e45b7332f89b652956ef1ec60fdba501114a77a686334485059fdfac7", kill_on_drop: false }`
[INFO] [stdout] 5aa73d0e45b7332f89b652956ef1ec60fdba501114a77a686334485059fdfac7