[INFO] crate multi_reader 0.1.0 is already in cache
[INFO] extracting crate multi_reader 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/multi_reader/0.1.0
[INFO] extracting crate multi_reader 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/multi_reader/0.1.0
[INFO] validating manifest of multi_reader-0.1.0 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 multi_reader-0.1.0 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 multi_reader-0.1.0
[INFO] finished frobbing multi_reader-0.1.0
[INFO] frobbed toml for multi_reader-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/multi_reader/0.1.0/Cargo.toml
[INFO] started frobbing multi_reader-0.1.0
[INFO] finished frobbing multi_reader-0.1.0
[INFO] frobbed toml for multi_reader-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/multi_reader/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing multi_reader-0.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/multi_reader/0.1.0:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] ebd487c6f25e94dd804940d07d3fa6dba276b6742e38535c92c16c038062117d
[INFO] running `"docker" "start" "-a" "ebd487c6f25e94dd804940d07d3fa6dba276b6742e38535c92c16c038062117d"`
[INFO] [stderr]    Compiling multi_reader v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `"docker" "inspect" "ebd487c6f25e94dd804940d07d3fa6dba276b6742e38535c92c16c038062117d"`
[INFO] running `"docker" "rm" "-f" "ebd487c6f25e94dd804940d07d3fa6dba276b6742e38535c92c16c038062117d"`
[INFO] [stdout] ebd487c6f25e94dd804940d07d3fa6dba276b6742e38535c92c16c038062117d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/multi_reader/0.1.0:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0bb12a3ed5c155c224e3f55eb01c13196e944b5962487e469326c806049f1050
[INFO] running `"docker" "start" "-a" "0bb12a3ed5c155c224e3f55eb01c13196e944b5962487e469326c806049f1050"`
[INFO] [stderr]    Compiling multi_reader v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "0bb12a3ed5c155c224e3f55eb01c13196e944b5962487e469326c806049f1050"`
[INFO] running `"docker" "rm" "-f" "0bb12a3ed5c155c224e3f55eb01c13196e944b5962487e469326c806049f1050"`
[INFO] [stdout] 0bb12a3ed5c155c224e3f55eb01c13196e944b5962487e469326c806049f1050
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/multi_reader/0.1.0:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 9d0c28bac3e1653d530b11d14eee761407058d3fcedb1a3ca8188046d56f6d44
[INFO] running `"docker" "start" "-a" "9d0c28bac3e1653d530b11d14eee761407058d3fcedb1a3ca8188046d56f6d44"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/multi_reader-c4275a17fd28b1fd
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_first_readers_is_empty ... ok
[INFO] [stdout] test tests::test_err_during_read ... ok
[INFO] [stdout] test tests::test_last_readers_is_empty ... ok
[INFO] [stdout] test tests::test_middle_readers_is_empty ... ok
[INFO] [stdout] test tests::test_only_empty_readers ... ok
[INFO] [stdout] test tests::test_several_readers ... ok
[INFO] [stdout] test tests::test_single_reader ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests multi_reader
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9d0c28bac3e1653d530b11d14eee761407058d3fcedb1a3ca8188046d56f6d44"`
[INFO] running `"docker" "rm" "-f" "9d0c28bac3e1653d530b11d14eee761407058d3fcedb1a3ca8188046d56f6d44"`
[INFO] [stdout] 9d0c28bac3e1653d530b11d14eee761407058d3fcedb1a3ca8188046d56f6d44