[INFO] updating cached repository enziog/rust_test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/enziog/rust_test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/enziog/rust_test" "work/ex/beta-1.37-6/sources/1.36.0/gh/enziog/rust_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/enziog/rust_test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/enziog/rust_test" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/enziog/rust_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/enziog/rust_test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e7a491d41279f24994b44036c62e25635c37e1a6
[INFO] sha for GitHub repo enziog/rust_test: e7a491d41279f24994b44036c62e25635c37e1a6
[INFO] validating manifest of enziog/rust_test on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of enziog/rust_test on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing enziog/rust_test
[INFO] finished frobbing enziog/rust_test
[INFO] frobbed toml for enziog/rust_test written to work/ex/beta-1.37-6/sources/1.36.0/gh/enziog/rust_test/Cargo.toml
[INFO] started frobbing enziog/rust_test
[INFO] finished frobbing enziog/rust_test
[INFO] frobbed toml for enziog/rust_test written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/enziog/rust_test/Cargo.toml
[INFO] crate enziog/rust_test already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing enziog/rust_test against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/enziog/rust_test:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] ed4a703449742827bae65e4e33930263585bf8be62d6cf04c08dc03b946a8aae
[INFO] running `"docker" "start" "-a" "ed4a703449742827bae65e4e33930263585bf8be62d6cf04c08dc03b946a8aae"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling serde v1.0.78
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.3
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling flate2 v1.0.2
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling zip v0.4.2
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling quick-xml v0.12.3
[INFO] [stderr]    Compiling calamine v0.14.5
[INFO] [stderr]    Compiling rust_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `DataType`, `Xlsx`
[INFO] [stderr]  --> src/main.rs:3:44
[INFO] [stderr]   |
[INFO] [stderr] 3 | use calamine::{Reader, open_workbook_auto, Xlsx, DataType};
[INFO] [stderr]   |                                            ^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.53s
[INFO] running `"docker" "inspect" "ed4a703449742827bae65e4e33930263585bf8be62d6cf04c08dc03b946a8aae"`
[INFO] running `"docker" "rm" "-f" "ed4a703449742827bae65e4e33930263585bf8be62d6cf04c08dc03b946a8aae"`
[INFO] [stdout] ed4a703449742827bae65e4e33930263585bf8be62d6cf04c08dc03b946a8aae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/enziog/rust_test:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ce99ccc2f4a44844c800647ebd7110ddfba60f2da79a3f9b39acc61ae576b2dc
[INFO] running `"docker" "start" "-a" "ce99ccc2f4a44844c800647ebd7110ddfba60f2da79a3f9b39acc61ae576b2dc"`
[INFO] [stderr]    Compiling rust_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `DataType`, `Xlsx`
[INFO] [stderr]  --> src/main.rs:3:44
[INFO] [stderr]   |
[INFO] [stderr] 3 | use calamine::{Reader, open_workbook_auto, Xlsx, DataType};
[INFO] [stderr]   |                                            ^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "ce99ccc2f4a44844c800647ebd7110ddfba60f2da79a3f9b39acc61ae576b2dc"`
[INFO] running `"docker" "rm" "-f" "ce99ccc2f4a44844c800647ebd7110ddfba60f2da79a3f9b39acc61ae576b2dc"`
[INFO] [stdout] ce99ccc2f4a44844c800647ebd7110ddfba60f2da79a3f9b39acc61ae576b2dc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/enziog/rust_test:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 6fe44273207b831b7a5a3caeb28ff0761860e76d4f76ddfd7fc4048a18175c91
[INFO] running `"docker" "start" "-a" "6fe44273207b831b7a5a3caeb28ff0761860e76d4f76ddfd7fc4048a18175c91"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_test-41fc58967a04ce8f
[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" "6fe44273207b831b7a5a3caeb28ff0761860e76d4f76ddfd7fc4048a18175c91"`
[INFO] running `"docker" "rm" "-f" "6fe44273207b831b7a5a3caeb28ff0761860e76d4f76ddfd7fc4048a18175c91"`
[INFO] [stdout] 6fe44273207b831b7a5a3caeb28ff0761860e76d4f76ddfd7fc4048a18175c91