[INFO] updating cached repository https://github.com/xoac/u8-selector
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 75b9870d863afe15d3cd7f39105884323b2c15f3
[INFO] testing xoac/u8-selector against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxoac%2Fu8-selector" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xoac/u8-selector on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/xoac/u8-selector
[INFO] finished tweaking git repo https://github.com/xoac/u8-selector
[INFO] tweaked toml for git repo https://github.com/xoac/u8-selector written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/xoac/u8-selector already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] a1abc7f17b04ab263126d3a5809cdbc75f531b5000dfeee3f576e21238775573
[INFO] running `"docker" "start" "-a" "a1abc7f17b04ab263126d3a5809cdbc75f531b5000dfeee3f576e21238775573"`
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling tokio-io v0.1.7
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling tokio-threadpool v0.1.4
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-udp v0.1.1
[INFO] [stderr]    Compiling serialport v2.3.0
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling mio-serial v0.8.0
[INFO] [stderr]    Compiling tokio-serial v0.8.0
[INFO] [stderr]    Compiling u8-selector v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.89s
[INFO] running `"docker" "inspect" "a1abc7f17b04ab263126d3a5809cdbc75f531b5000dfeee3f576e21238775573"`
[INFO] running `"docker" "rm" "-f" "a1abc7f17b04ab263126d3a5809cdbc75f531b5000dfeee3f576e21238775573"`
[INFO] [stdout] a1abc7f17b04ab263126d3a5809cdbc75f531b5000dfeee3f576e21238775573
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] a9200000b2581621dbe14bbb8a2497b6c3b6e0f955faca0b9179557c212ed699
[INFO] running `"docker" "start" "-a" "a9200000b2581621dbe14bbb8a2497b6c3b6e0f955faca0b9179557c212ed699"`
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling env_logger v0.5.10
[INFO] [stderr]    Compiling pretty_env_logger v0.2.3
[INFO] [stderr]    Compiling u8-selector v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.85s
[INFO] running `"docker" "inspect" "a9200000b2581621dbe14bbb8a2497b6c3b6e0f955faca0b9179557c212ed699"`
[INFO] running `"docker" "rm" "-f" "a9200000b2581621dbe14bbb8a2497b6c3b6e0f955faca0b9179557c212ed699"`
[INFO] [stdout] a9200000b2581621dbe14bbb8a2497b6c3b6e0f955faca0b9179557c212ed699
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] d0a532f5fb415a7546f6effe26b93bb5a19a69697fd68932c9e6d0faad68fcf2
[INFO] running `"docker" "start" "-a" "d0a532f5fb415a7546f6effe26b93bb5a19a69697fd68932c9e6d0faad68fcf2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/u8_selector-6a193f34724dafe6
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests u8-selector
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d0a532f5fb415a7546f6effe26b93bb5a19a69697fd68932c9e6d0faad68fcf2"`
[INFO] running `"docker" "rm" "-f" "d0a532f5fb415a7546f6effe26b93bb5a19a69697fd68932c9e6d0faad68fcf2"`
[INFO] [stdout] d0a532f5fb415a7546f6effe26b93bb5a19a69697fd68932c9e6d0faad68fcf2