[INFO] updating cached repository https://github.com/listboss/ex18
[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] f61485acdcde982b18b75d42ed7ca1697be4b100
[INFO] testing listboss/ex18 against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Flistboss%2Fex18" "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/listboss/ex18 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/listboss/ex18
[INFO] finished tweaking git repo https://github.com/listboss/ex18
[INFO] tweaked toml for git repo https://github.com/listboss/ex18 written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/listboss/ex18 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] b90c67aff42d6b87412d4ab772920982536046ee7d544b7a3bdbec9690b2ae92
[INFO] running `"docker" "start" "-a" "b90c67aff42d6b87412d4ab772920982536046ee7d544b7a3bdbec9690b2ae92"`
[INFO] [stderr]    Compiling ex18 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "b90c67aff42d6b87412d4ab772920982536046ee7d544b7a3bdbec9690b2ae92"`
[INFO] running `"docker" "rm" "-f" "b90c67aff42d6b87412d4ab772920982536046ee7d544b7a3bdbec9690b2ae92"`
[INFO] [stdout] b90c67aff42d6b87412d4ab772920982536046ee7d544b7a3bdbec9690b2ae92
[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] 5bc1226afcb09300e04250899b10033dceb6816240c1a0edb54eeeafb9063278
[INFO] running `"docker" "start" "-a" "5bc1226afcb09300e04250899b10033dceb6816240c1a0edb54eeeafb9063278"`
[INFO] [stderr]    Compiling ex18 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "5bc1226afcb09300e04250899b10033dceb6816240c1a0edb54eeeafb9063278"`
[INFO] running `"docker" "rm" "-f" "5bc1226afcb09300e04250899b10033dceb6816240c1a0edb54eeeafb9063278"`
[INFO] [stdout] 5bc1226afcb09300e04250899b10033dceb6816240c1a0edb54eeeafb9063278
[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] ce10c1b19e7dada80805fcbac1ad3cbda42505c608f2fb57b87aac9e2aacdc2a
[INFO] running `"docker" "start" "-a" "ce10c1b19e7dada80805fcbac1ad3cbda42505c608f2fb57b87aac9e2aacdc2a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ex18-d77f9cf968223589
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::initiate_grid ... ok
[INFO] [stdout] test tests::getting_brightness ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ce10c1b19e7dada80805fcbac1ad3cbda42505c608f2fb57b87aac9e2aacdc2a"`
[INFO] running `"docker" "rm" "-f" "ce10c1b19e7dada80805fcbac1ad3cbda42505c608f2fb57b87aac9e2aacdc2a"`
[INFO] [stdout] ce10c1b19e7dada80805fcbac1ad3cbda42505c608f2fb57b87aac9e2aacdc2a