[INFO] crate background_worker 0.1.1 is already in cache
[INFO] testing background_worker-0.1.1 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate background_worker 0.1.1 into work/builds/worker-1/source
[INFO] validating manifest of crates.io crate background_worker 0.1.1 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 background_worker 0.1.1
[INFO] finished tweaking crates.io crate background_worker 0.1.1
[INFO] tweaked toml for crates.io crate background_worker 0.1.1 written to work/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/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] 8c6de03b94876b64723b1ea5907464e1bfd2f6ceec41b1dd458ae239ec86cad5
[INFO] running `"docker" "start" "-a" "8c6de03b94876b64723b1ea5907464e1bfd2f6ceec41b1dd458ae239ec86cad5"`
[INFO] [stderr]    Compiling background_worker v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `BackgroundWorker`
[INFO] [stderr]  --> src/test.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use BackgroundWorker;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "8c6de03b94876b64723b1ea5907464e1bfd2f6ceec41b1dd458ae239ec86cad5"`
[INFO] running `"docker" "rm" "-f" "8c6de03b94876b64723b1ea5907464e1bfd2f6ceec41b1dd458ae239ec86cad5"`
[INFO] [stdout] 8c6de03b94876b64723b1ea5907464e1bfd2f6ceec41b1dd458ae239ec86cad5
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/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] f4d0f60382fe9f1a052b249594e81c40a3fb194c0959b69babb7b253fff42209
[INFO] running `"docker" "start" "-a" "f4d0f60382fe9f1a052b249594e81c40a3fb194c0959b69babb7b253fff42209"`
[INFO] [stderr]    Compiling background_worker v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/test.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             thread::sleep_ms(500)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "f4d0f60382fe9f1a052b249594e81c40a3fb194c0959b69babb7b253fff42209"`
[INFO] running `"docker" "rm" "-f" "f4d0f60382fe9f1a052b249594e81c40a3fb194c0959b69babb7b253fff42209"`
[INFO] [stdout] f4d0f60382fe9f1a052b249594e81c40a3fb194c0959b69babb7b253fff42209
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/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] 9603f04fdbaf985d2f031e05824ca3f0f2fb40bbffa0da2f37db877a22649d45
[INFO] running `"docker" "start" "-a" "9603f04fdbaf985d2f031e05824ca3f0f2fb40bbffa0da2f37db877a22649d45"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/background_worker-99e5a14d39e61ca2
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::tests::initialize ... ok
[INFO] [stdout] test test::tests::range ... ok
[INFO] [stdout] test test::tests::join ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests background_worker
[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" "9603f04fdbaf985d2f031e05824ca3f0f2fb40bbffa0da2f37db877a22649d45"`
[INFO] running `"docker" "rm" "-f" "9603f04fdbaf985d2f031e05824ca3f0f2fb40bbffa0da2f37db877a22649d45"`
[INFO] [stdout] 9603f04fdbaf985d2f031e05824ca3f0f2fb40bbffa0da2f37db877a22649d45