[INFO] updating cached repository https://github.com/etrombly/country_parser
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 671021dd5f962e1787508acd37f6d0f868cb1029
[INFO] testing etrombly/country_parser against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetrombly%2Fcountry_parser" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/etrombly/country_parser on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-12/source/Cargo.toml
[INFO] crate git repo https://github.com/etrombly/country_parser already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ceb905af6bb483ff21d497caf89d8dadecfc26cb77a1ff1de203529a8d82c22e
[INFO] running `"docker" "start" "-a" "ceb905af6bb483ff21d497caf89d8dadecfc26cb77a1ff1de203529a8d82c22e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.61
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling gio v0.7.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.7.0
[INFO] [stderr]    Compiling pdqselect v0.1.0
[INFO] [stderr]    Compiling cairo-rs v0.7.1
[INFO] [stderr]    Compiling pango v0.7.0
[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 gdk-pixbuf-sys v0.9.0
[INFO] [stderr]    Compiling pango-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]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling relm-gen-widget v0.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling relm-derive v0.17.0
[INFO] [stderr]    Compiling dbf v0.1.1
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling shapefile-utils v0.1.0 (https://github.com/fceschmidt/shapefile-utils#680cafb7)
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/shapefile-utils-4683fca05b3e30ff/680cafb/src/lib.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | #![feature(associated_consts)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[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 `"docker" "inspect" "ceb905af6bb483ff21d497caf89d8dadecfc26cb77a1ff1de203529a8d82c22e"`
[INFO] running `"docker" "rm" "-f" "ceb905af6bb483ff21d497caf89d8dadecfc26cb77a1ff1de203529a8d82c22e"`
[INFO] [stdout] ceb905af6bb483ff21d497caf89d8dadecfc26cb77a1ff1de203529a8d82c22e