[INFO] cloning repository https://github.com/blt/spike
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blt/spike" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fspike", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fspike'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74783a00b31af5454cf7681ba9c4917b66a585b1
[INFO] documenting blt/spike against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fspike" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blt/spike 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 git repo https://github.com/blt/spike
[INFO] finished tweaking git repo https://github.com/blt/spike
[INFO] tweaked toml for git repo https://github.com/blt/spike written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/blt/spike already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/tower-rs/tower-grpc`
[INFO] [stderr]     Updating git repository `https://github.com/tower-rs/tower-h2`
[INFO] [stderr]     Updating git repository `https://github.com/tower-rs/tower-http`
[INFO] [stderr]     Updating git repository `https://github.com/tower-rs/tower`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/tokio-connect`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/codegen`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-buf v0.1.1
[INFO] [stderr]   Downloaded rustls v0.15.2
[INFO] [stderr]   Downloaded wincolor v1.0.1
[INFO] [stderr]   Downloaded tokio v0.1.19
[INFO] [stderr]   Downloaded humantime v1.2.0
[INFO] [stderr]   Downloaded tower-layer v0.1.0
[INFO] [stderr]   Downloaded termcolor v1.0.4
[INFO] [stderr]   Downloaded prost v0.5.0
[INFO] [stderr]   Downloaded multimap v0.4.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.28
[INFO] [stderr]   Downloaded cc v1.0.35
[INFO] [stderr]   Downloaded backtrace v0.3.15
[INFO] [stderr]   Downloaded which v2.0.1
[INFO] [stderr]   Downloaded tokio-sync v0.1.5
[INFO] [stderr]   Downloaded syn v0.15.33
[INFO] [stderr]   Downloaded h2 v0.1.18
[INFO] [stderr]   Downloaded prost-derive v0.5.0
[INFO] [stderr]   Downloaded tower-service v0.2.0
[INFO] [stderr]   Downloaded libc v0.2.53
[INFO] [stderr]   Downloaded webpki v0.19.1
[INFO] [stderr]   Downloaded sct v0.5.0
[INFO] [stderr]   Downloaded ring v0.14.6
[INFO] [stderr]   Downloaded tokio-rustls v0.9.2
[INFO] [stderr]   Downloaded futures v0.1.26
[INFO] [stderr]   Downloaded prost-build v0.5.0
[INFO] [stderr]   Downloaded webpki-roots v0.16.0
[INFO] [stderr]   Downloaded prost-types v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 3a5eab09a737e4b64e9fe90b69e98993b024fdc2316cbc4969a696e63291ad68
[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" "3a5eab09a737e4b64e9fe90b69e98993b024fdc2316cbc4969a696e63291ad68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a5eab09a737e4b64e9fe90b69e98993b024fdc2316cbc4969a696e63291ad68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a5eab09a737e4b64e9fe90b69e98993b024fdc2316cbc4969a696e63291ad68", kill_on_drop: false }`
[INFO] [stdout] 3a5eab09a737e4b64e9fe90b69e98993b024fdc2316cbc4969a696e63291ad68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] ea4fe29a061ec7bf0d5c7ebbc118619089f4cf055d22898f58cc0777b9865b69
[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" "ea4fe29a061ec7bf0d5c7ebbc118619089f4cf055d22898f58cc0777b9865b69", 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 libc v0.2.53
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.28
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]     Checking tower-service v0.2.0
[INFO] [stderr]    Compiling codegen v0.1.1 (https://github.com/carllerche/codegen#87e270f7)
[INFO] [stderr]     Checking tower-layer v0.1.0 (https://github.com/tower-rs/tower#a4c753bd)
[INFO] [stderr]     Checking tower-discover v0.1.0 (https://github.com/tower-rs/tower#a4c753bd)
[INFO] [stderr]     Checking tower-layer v0.1.0
[INFO] [stderr]     Checking tower-retry v0.1.0 (https://github.com/tower-rs/tower#a4c753bd)
[INFO] [stderr]     Checking tower-load-shed v0.1.0 (https://github.com/tower-rs/tower#a4c753bd)
[INFO] [stderr]     Checking tower-timeout v0.1.0 (https://github.com/tower-rs/tower#a4c753bd)
[INFO] [stderr]     Checking tower-buffer v0.1.0 (https://github.com/tower-rs/tower#a4c753bd)
[INFO] [stderr]     Checking tower-limit v0.1.0 (https://github.com/tower-rs/tower#a4c753bd)
[INFO] [stderr]     Checking tower-util v0.1.0 (https://github.com/tower-rs/tower?rev=716bafd9222e491e9e4e9b394aa9dbb13825b6f5#716bafd9)
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking ring v0.14.6
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]    Compiling tempfile v3.0.7
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking tower-util v0.1.0 (https://github.com/tower-rs/tower#a4c753bd)
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-connect v0.1.0 (https://github.com/carllerche/tokio-connect#f7ad1ca4)
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking tower v0.1.0 (https://github.com/tower-rs/tower#a4c753bd)
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]     Checking webpki-roots v0.16.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.19
[INFO] [stderr]     Checking http-body v0.1.0 (https://github.com/tower-rs/tower-http#e7ef6ef6)
[INFO] [stderr]     Checking h2 v0.1.18
[INFO] [stderr]     Checking tower-request-modifier v0.1.0 (https://github.com/tower-rs/tower-http?rev=e7ef6ef623411342ee89c0a83ef924db6206143a#e7ef6ef6)
[INFO] [stderr]     Checking tower-http-util v0.1.0 (https://github.com/tower-rs/tower-http#e7ef6ef6)
[INFO] [stderr]     Checking tower-http v0.1.0 (https://github.com/tower-rs/tower-http#e7ef6ef6)
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]     Checking tokio-rustls v0.9.2
[INFO] [stderr]     Checking tower-h2 v0.1.0 (https://github.com/tower-rs/tower-h2?rev=a3c958a243ef3d837933b31bf186ba0e6b0e60c9#a3c958a2)
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]     Checking tower-grpc v0.1.0 (https://github.com/tower-rs/tower-grpc?rev=597f56ce0eb47267a17cebe4b0120a713c12a3c0#597f56ce)
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]    Compiling tower-grpc-build v0.1.0 (https://github.com/tower-rs/tower-grpc?rev=597f56ce0eb47267a17cebe4b0120a713c12a3c0#597f56ce)
[INFO] [stderr]    Compiling spike v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting spike v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.79s
[INFO] running `Command { std: "docker" "inspect" "ea4fe29a061ec7bf0d5c7ebbc118619089f4cf055d22898f58cc0777b9865b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea4fe29a061ec7bf0d5c7ebbc118619089f4cf055d22898f58cc0777b9865b69", kill_on_drop: false }`
[INFO] [stdout] ea4fe29a061ec7bf0d5c7ebbc118619089f4cf055d22898f58cc0777b9865b69