[INFO] updating cached repository https://github.com/juliuscueto/rust_learning
[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] 7792d3b09021a89379d486b32408548cd3507c67
[INFO] testing juliuscueto/rust_learning against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliuscueto%2Frust_learning" "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/juliuscueto/rust_learning 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/juliuscueto/rust_learning
[INFO] finished tweaking git repo https://github.com/juliuscueto/rust_learning
[INFO] tweaked toml for git repo https://github.com/juliuscueto/rust_learning written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/juliuscueto/rust_learning 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] ee6f9f4a24fa177783a50d07772efe81b85070acf5fb0ee716b4a8a03f3a7fed
[INFO] running `"docker" "start" "-a" "ee6f9f4a24fa177783a50d07772efe81b85070acf5fb0ee716b4a8a03f3a7fed"`
[INFO] [stderr]    Compiling learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "ee6f9f4a24fa177783a50d07772efe81b85070acf5fb0ee716b4a8a03f3a7fed"`
[INFO] running `"docker" "rm" "-f" "ee6f9f4a24fa177783a50d07772efe81b85070acf5fb0ee716b4a8a03f3a7fed"`
[INFO] [stdout] ee6f9f4a24fa177783a50d07772efe81b85070acf5fb0ee716b4a8a03f3a7fed
[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] ed5f1030014ed386812fa7213271f98692aa1ca8da9286bf7676be54e335b727
[INFO] running `"docker" "start" "-a" "ed5f1030014ed386812fa7213271f98692aa1ca8da9286bf7676be54e335b727"`
[INFO] [stderr]    Compiling learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `"docker" "inspect" "ed5f1030014ed386812fa7213271f98692aa1ca8da9286bf7676be54e335b727"`
[INFO] running `"docker" "rm" "-f" "ed5f1030014ed386812fa7213271f98692aa1ca8da9286bf7676be54e335b727"`
[INFO] [stdout] ed5f1030014ed386812fa7213271f98692aa1ca8da9286bf7676be54e335b727
[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] 5791cba2ffd4dff1413208f7042813cec6f327a1e2c81f1de29bd4ec56c50bb3
[INFO] running `"docker" "start" "-a" "5791cba2ffd4dff1413208f7042813cec6f327a1e2c81f1de29bd4ec56c50bb3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learning-14e9d11dfc4d6c5b
[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" "5791cba2ffd4dff1413208f7042813cec6f327a1e2c81f1de29bd4ec56c50bb3"`
[INFO] running `"docker" "rm" "-f" "5791cba2ffd4dff1413208f7042813cec6f327a1e2c81f1de29bd4ec56c50bb3"`
[INFO] [stdout] 5791cba2ffd4dff1413208f7042813cec6f327a1e2c81f1de29bd4ec56c50bb3