[INFO] updating cached repository https://github.com/vroland/mfnf-export
[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] 9cb12bb9efddb477c78c8de74c67555525bf15d4
[INFO] checking vroland/mfnf-export against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvroland%2Fmfnf-export" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vroland/mfnf-export on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/vroland/mfnf-export
[INFO] finished tweaking git repo https://github.com/vroland/mfnf-export
[INFO] tweaked toml for git repo https://github.com/vroland/mfnf-export written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/vroland/mfnf-export already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=allow" "-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" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 71f7c200fbb303fdbf7ab2db1181e26b474728ebb62e32cfb2dbb5d40cd004e9
[INFO] running `"docker" "start" "-a" "71f7c200fbb303fdbf7ab2db1181e26b474728ebb62e32cfb2dbb5d40cd004e9"`
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling peg v0.5.7
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking serde_yaml v0.8.8
[INFO] [stderr]    Compiling yaml-rust v0.4.2
[INFO] [stderr]    Compiling serde_yaml v0.7.5
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]    Compiling mediawiki_parser v0.4.2
[INFO] [stderr]    Compiling mwparser_utils_derive v0.1.0 (https://github.com/serlo/mediawiki-parser-utils#67c63573)
[INFO] [stderr]    Compiling mwparser_utils_derive v0.1.0 (https://github.com/vroland/mediawiki-parser-utils#67c63573)
[INFO] [stderr]     Checking mwparser_utils v0.1.0 (https://github.com/vroland/mediawiki-parser-utils#67c63573)
[INFO] [stderr]     Checking mwparser_utils v0.1.0 (https://github.com/serlo/mediawiki-parser-utils#67c63573)
[INFO] [stderr]     Checking mfnf-sitemap-parser v0.1.0 (https://github.com/serlo/mfnf-sitemap-parser#4d8002c6)
[INFO] [stderr]     Checking mfnf_template_spec v0.1.0 (https://github.com/serlo/mfnf-template-spec#cb85aa90)
[INFO] [stderr]     Checking mfnf_export v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `"docker" "inspect" "71f7c200fbb303fdbf7ab2db1181e26b474728ebb62e32cfb2dbb5d40cd004e9"`
[INFO] running `"docker" "rm" "-f" "71f7c200fbb303fdbf7ab2db1181e26b474728ebb62e32cfb2dbb5d40cd004e9"`
[INFO] [stdout] 71f7c200fbb303fdbf7ab2db1181e26b474728ebb62e32cfb2dbb5d40cd004e9