[INFO] fetching crate echomap 0.4.0...
[INFO] documenting echomap-0.4.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate echomap 0.4.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate echomap 0.4.0 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 echomap 0.4.0
[INFO] finished tweaking crates.io crate echomap 0.4.0
[INFO] tweaked toml for crates.io crate echomap 0.4.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate echomap 0.4.0 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 geo v0.12.2
[INFO] [stderr]   Downloaded geojson v0.16.0
[INFO] [stderr]   Downloaded shapefile v0.0.5
[INFO] [stderr]   Downloaded dbase v0.0.4
[INFO] [stderr]   Downloaded rstar v0.5.1
[INFO] [stderr]   Downloaded rstar v0.2.0
[INFO] [stderr]   Downloaded topojson v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 6e8a292de96980ed22f4abf77debc39133d4b6babbb122f4e9a7653749559a84
[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" "6e8a292de96980ed22f4abf77debc39133d4b6babbb122f4e9a7653749559a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e8a292de96980ed22f4abf77debc39133d4b6babbb122f4e9a7653749559a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e8a292de96980ed22f4abf77debc39133d4b6babbb122f4e9a7653749559a84", kill_on_drop: false }`
[INFO] [stdout] 6e8a292de96980ed22f4abf77debc39133d4b6babbb122f4e9a7653749559a84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 37d3cf91c75f33f9289f6f8528a35a8a523012c1575eb85baea44367511de76a
[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" "37d3cf91c75f33f9289f6f8528a35a8a523012c1575eb85baea44367511de76a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking regex-syntax v0.6.11
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking dbase v0.0.4
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking rstar v0.2.0
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking rstar v0.5.1
[INFO] [stderr]     Checking geo-types v0.4.3
[INFO] [stderr]     Checking shapefile v0.0.5
[INFO] [stderr]     Checking geo v0.12.2
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking console v0.8.0
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking geojson v0.16.0
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking topojson v0.2.0
[INFO] [stderr]  Documenting echomap v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.32s
[INFO] running `Command { std: "docker" "inspect" "37d3cf91c75f33f9289f6f8528a35a8a523012c1575eb85baea44367511de76a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d3cf91c75f33f9289f6f8528a35a8a523012c1575eb85baea44367511de76a", kill_on_drop: false }`
[INFO] [stdout] 37d3cf91c75f33f9289f6f8528a35a8a523012c1575eb85baea44367511de76a