[INFO] crate multi_reader 0.1.0 is already in cache
[INFO] testing multi_reader-0.1.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate multi_reader 0.1.0 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate multi_reader 0.1.0 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 crates.io crate multi_reader 0.1.0
[INFO] finished tweaking crates.io crate multi_reader 0.1.0
[INFO] tweaked toml for crates.io crate multi_reader 0.1.0 written to work/builds/worker-3/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] bd9f3f2466e8cef3c1516a0f0b2bda93f4ef012b2eba5f01e952f656a7b67af1
[INFO] running `"docker" "start" "-a" "bd9f3f2466e8cef3c1516a0f0b2bda93f4ef012b2eba5f01e952f656a7b67af1"`
[INFO] [stderr]    Compiling multi_reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:45:29
[INFO] [stderr]    |
[INFO] [stderr] 45 |                     let n = try!(r.read(buf));
[INFO] [stderr]    |                             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `"docker" "inspect" "bd9f3f2466e8cef3c1516a0f0b2bda93f4ef012b2eba5f01e952f656a7b67af1"`
[INFO] running `"docker" "rm" "-f" "bd9f3f2466e8cef3c1516a0f0b2bda93f4ef012b2eba5f01e952f656a7b67af1"`
[INFO] [stdout] bd9f3f2466e8cef3c1516a0f0b2bda93f4ef012b2eba5f01e952f656a7b67af1
[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] b7df4f57514464e2352ac1976db49de4d11c6af5f56f1dd508bbaf8b175e3287
[INFO] running `"docker" "start" "-a" "b7df4f57514464e2352ac1976db49de4d11c6af5f56f1dd508bbaf8b175e3287"`
[INFO] [stderr]    Compiling multi_reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:45:29
[INFO] [stderr]    |
[INFO] [stderr] 45 |                     let n = try!(r.read(buf));
[INFO] [stderr]    |                             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "b7df4f57514464e2352ac1976db49de4d11c6af5f56f1dd508bbaf8b175e3287"`
[INFO] running `"docker" "rm" "-f" "b7df4f57514464e2352ac1976db49de4d11c6af5f56f1dd508bbaf8b175e3287"`
[INFO] [stdout] b7df4f57514464e2352ac1976db49de4d11c6af5f56f1dd508bbaf8b175e3287
[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] a76f4a1c37717f443b51c95d0e29d5d1f326025a93618cb6ebd50f3b49eb9bff
[INFO] running `"docker" "start" "-a" "a76f4a1c37717f443b51c95d0e29d5d1f326025a93618cb6ebd50f3b49eb9bff"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/multi_reader-691bd186f3447ce6
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_first_readers_is_empty ... ok
[INFO] [stdout] test tests::test_last_readers_is_empty ... ok
[INFO] [stdout] test tests::test_err_during_read ... 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" "a76f4a1c37717f443b51c95d0e29d5d1f326025a93618cb6ebd50f3b49eb9bff"`
[INFO] running `"docker" "rm" "-f" "a76f4a1c37717f443b51c95d0e29d5d1f326025a93618cb6ebd50f3b49eb9bff"`
[INFO] [stdout] a76f4a1c37717f443b51c95d0e29d5d1f326025a93618cb6ebd50f3b49eb9bff