[INFO] cloning repository https://github.com/etrombly/country_parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/etrombly/country_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetrombly%2Fcountry_parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetrombly%2Fcountry_parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 671021dd5f962e1787508acd37f6d0f868cb1029
[INFO] documenting etrombly/country_parser against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetrombly%2Fcountry_parser" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/etrombly/country_parser 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 git repo https://github.com/etrombly/country_parser
[INFO] finished tweaking git repo https://github.com/etrombly/country_parser
[INFO] tweaked toml for git repo https://github.com/etrombly/country_parser written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/etrombly/country_parser 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]     Updating git repository `https://github.com/fceschmidt/shapefile-utils`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cairo-sys-rs v0.9.0
[INFO] [stderr]   Downloaded gio-sys v0.9.0
[INFO] [stderr]   Downloaded atk v0.7.0
[INFO] [stderr]   Downloaded bincode v1.1.4
[INFO] [stderr]   Downloaded rstar v0.2.0
[INFO] [stderr]   Downloaded gdk v0.11.0
[INFO] [stderr]   Downloaded gdk-sys v0.9.0
[INFO] [stderr]   Downloaded gobject-sys v0.9.0
[INFO] [stderr]   Downloaded atk-sys v0.9.0
[INFO] [stderr]   Downloaded gio v0.7.0
[INFO] [stderr]   Downloaded geo v0.12.2
[INFO] [stderr]   Downloaded cc v1.0.40
[INFO] [stderr]   Downloaded geo-types v0.4.3
[INFO] [stderr]   Downloaded chrono v0.4.7
[INFO] [stderr]   Downloaded pango-sys v0.9.0
[INFO] [stderr]   Downloaded gtk v0.7.0
[INFO] [stderr]   Downloaded libc v0.2.61
[INFO] [stderr]   Downloaded cairo-rs v0.7.1
[INFO] [stderr]   Downloaded gdk-pixbuf v0.7.0
[INFO] [stderr]   Downloaded gtk-sys v0.9.0
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.9.0
[INFO] [stderr]   Downloaded glib-sys v0.9.0
[INFO] [stderr]   Downloaded relm v0.17.0
[INFO] [stderr]   Downloaded relm-derive v0.17.0
[INFO] [stderr]   Downloaded pango v0.7.0
[INFO] [stderr]   Downloaded nom v2.2.1
[INFO] [stderr]   Downloaded location_history v0.2.1
[INFO] [stderr]   Downloaded dbf v0.1.1
[INFO] [stderr]   Downloaded glib v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ff909d4e0fa3bae206989d2171cb4f202a592351231ca369b34f512cdc730899
[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" "ff909d4e0fa3bae206989d2171cb4f202a592351231ca369b34f512cdc730899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff909d4e0fa3bae206989d2171cb4f202a592351231ca369b34f512cdc730899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff909d4e0fa3bae206989d2171cb4f202a592351231ca369b34f512cdc730899", kill_on_drop: false }`
[INFO] [stdout] ff909d4e0fa3bae206989d2171cb4f202a592351231ca369b34f512cdc730899
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ab32f2a5abea6c200657bfd12e0a435d5a373651b9346e90bf9ddcb8f301f992
[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" "ab32f2a5abea6c200657bfd12e0a435d5a373651b9346e90bf9ddcb8f301f992", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.61
[INFO] [stderr]    Compiling gio v0.7.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.7.0
[INFO] [stderr]    Compiling cairo-rs v0.7.1
[INFO] [stderr]    Compiling pango v0.7.0
[INFO] [stderr]    Compiling pdqselect v0.1.0
[INFO] [stderr]    Compiling gdk v0.11.0
[INFO] [stderr]    Compiling atk v0.7.0
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling gtk v0.7.0
[INFO] [stderr]    Compiling glib-sys v0.9.0
[INFO] [stderr]    Compiling gobject-sys v0.9.0
[INFO] [stderr]    Compiling gio-sys v0.9.0
[INFO] [stderr]    Compiling pango-sys v0.9.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.0
[INFO] [stderr]    Compiling gdk-sys v0.9.0
[INFO] [stderr]    Compiling atk-sys v0.9.0
[INFO] [stderr]    Compiling gtk-sys v0.9.0
[INFO] [stderr]     Checking dbf v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]    Compiling relm-gen-widget v0.16.0
[INFO] [stderr]    Compiling relm-derive v0.17.0
[INFO] [stderr]     Checking bincode v1.1.4
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling backtrace v0.3.34
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling rstar v0.2.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling shapefile-utils v0.1.0 (https://github.com/fceschmidt/shapefile-utils#680cafb7)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/shapefile-utils-4683fca05b3e30ff/680cafb/src/lib.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | #![feature(associated_consts)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shapefile-utils`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ab32f2a5abea6c200657bfd12e0a435d5a373651b9346e90bf9ddcb8f301f992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab32f2a5abea6c200657bfd12e0a435d5a373651b9346e90bf9ddcb8f301f992", kill_on_drop: false }`
[INFO] [stdout] ab32f2a5abea6c200657bfd12e0a435d5a373651b9346e90bf9ddcb8f301f992