[INFO] updating cached repository https://github.com/zceyakr/learning-rust
[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] 91e949a6bdf7aaad9897e783e15c255273b832e9
[INFO] testing zceyakr/learning-rust against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzceyakr%2Flearning-rust" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zceyakr/learning-rust 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/zceyakr/learning-rust
[INFO] finished tweaking git repo https://github.com/zceyakr/learning-rust
[INFO] tweaked toml for git repo https://github.com/zceyakr/learning-rust written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/zceyakr/learning-rust 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] aaee33210df52a4d30928957c396a20994f7ab656b3ee4c6d7ebc2297537d1de
[INFO] running `"docker" "start" "-a" "aaee33210df52a4d30928957c396a20994f7ab656b3ee4c6d7ebc2297537d1de"`
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling ferris-says v0.1.1
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.96s
[INFO] running `"docker" "inspect" "aaee33210df52a4d30928957c396a20994f7ab656b3ee4c6d7ebc2297537d1de"`
[INFO] running `"docker" "rm" "-f" "aaee33210df52a4d30928957c396a20994f7ab656b3ee4c6d7ebc2297537d1de"`
[INFO] [stdout] aaee33210df52a4d30928957c396a20994f7ab656b3ee4c6d7ebc2297537d1de
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] 149245b89b5b400469d2f4ac01100438dd6255be34384e987d7038f50167e8ad
[INFO] running `"docker" "start" "-a" "149245b89b5b400469d2f4ac01100438dd6255be34384e987d7038f50167e8ad"`
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "149245b89b5b400469d2f4ac01100438dd6255be34384e987d7038f50167e8ad"`
[INFO] running `"docker" "rm" "-f" "149245b89b5b400469d2f4ac01100438dd6255be34384e987d7038f50167e8ad"`
[INFO] [stdout] 149245b89b5b400469d2f4ac01100438dd6255be34384e987d7038f50167e8ad
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] 289ac50e354d0478850ae469a16ae2f85a95ab496d4800f2ccdce8f6acc36811
[INFO] running `"docker" "start" "-a" "289ac50e354d0478850ae469a16ae2f85a95ab496d4800f2ccdce8f6acc36811"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learning_rust-3dba6049ca4584ff
[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" "289ac50e354d0478850ae469a16ae2f85a95ab496d4800f2ccdce8f6acc36811"`
[INFO] running `"docker" "rm" "-f" "289ac50e354d0478850ae469a16ae2f85a95ab496d4800f2ccdce8f6acc36811"`
[INFO] [stdout] 289ac50e354d0478850ae469a16ae2f85a95ab496d4800f2ccdce8f6acc36811