[INFO] crate tokio-blocking 0.1.1 is already in cache
[INFO] extracting crate tokio-blocking 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/tokio-blocking/0.1.1
[INFO] extracting crate tokio-blocking 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tokio-blocking/0.1.1
[INFO] validating manifest of tokio-blocking-0.1.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tokio-blocking-0.1.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tokio-blocking-0.1.1
[INFO] finished frobbing tokio-blocking-0.1.1
[INFO] frobbed toml for tokio-blocking-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/tokio-blocking/0.1.1/Cargo.toml
[INFO] started frobbing tokio-blocking-0.1.1
[INFO] finished frobbing tokio-blocking-0.1.1
[INFO] frobbed toml for tokio-blocking-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tokio-blocking/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tokio-blocking-0.1.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tokio-blocking/0.1.1:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] cfdc41b393bcf16627ca42db851c7a2a9ce05d985d3ffdfa33ba5dca70ddfc3c
[INFO] running `"docker" "start" "-a" "cfdc41b393bcf16627ca42db851c7a2a9ce05d985d3ffdfa33ba5dca70ddfc3c"`
[INFO] [stderr]    Compiling crossbeam v0.6.0
[INFO] [stderr]    Compiling tokio-blocking v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "cfdc41b393bcf16627ca42db851c7a2a9ce05d985d3ffdfa33ba5dca70ddfc3c"`
[INFO] running `"docker" "rm" "-f" "cfdc41b393bcf16627ca42db851c7a2a9ce05d985d3ffdfa33ba5dca70ddfc3c"`
[INFO] [stdout] cfdc41b393bcf16627ca42db851c7a2a9ce05d985d3ffdfa33ba5dca70ddfc3c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tokio-blocking/0.1.1:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] e5e425d06fca8208a64cbb0e2a41d7d4d197e31648935dd8e24646feab3a909e
[INFO] running `"docker" "start" "-a" "e5e425d06fca8208a64cbb0e2a41d7d4d197e31648935dd8e24646feab3a909e"`
[INFO] [stderr]    Compiling tokio-blocking v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tokio`
[INFO] [stderr]  --> tests/combinators.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use tokio::runtime::Runtime;
[INFO] [stderr]   |     ^^^^^ use of undeclared type or module `tokio`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tokio`
[INFO] [stderr]  --> tests/combinators.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use tokio::timer::Interval;
[INFO] [stderr]   |     ^^^^^ use of undeclared type or module `tokio`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Interval`
[INFO] [stderr]  --> tests/combinators.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Interval::new(std::time::Instant::now(), std::time::Duration::from_secs(1))
[INFO] [stderr]   |     ^^^^^^^^ use of undeclared type or module `Interval`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Runtime`
[INFO] [stderr]   --> tests/combinators.rs:17:23
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let mut runtime = Runtime::new().unwrap();
[INFO] [stderr]    |                       ^^^^^^^ use of undeclared type or module `Runtime`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Runtime`
[INFO] [stderr]   --> tests/combinators.rs:43:23
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut runtime = Runtime::new().unwrap();
[INFO] [stderr]    |                       ^^^^^^^ use of undeclared type or module `Runtime`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Runtime`
[INFO] [stderr]   --> tests/combinators.rs:79:23
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let mut runtime = Runtime::new().unwrap();
[INFO] [stderr]    |                       ^^^^^^^ use of undeclared type or module `Runtime`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Runtime`
[INFO] [stderr]    --> tests/combinators.rs:116:23
[INFO] [stderr]     |
[INFO] [stderr] 116 |     let mut runtime = Runtime::new().unwrap();
[INFO] [stderr]     |                       ^^^^^^^ use of undeclared type or module `Runtime`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::runtime::Runtime`
[INFO] [stderr]  --> tests/combinators.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use tokio::runtime::Runtime;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::timer::Interval`
[INFO] [stderr]  --> tests/combinators.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use tokio::timer::Interval;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `tokio-blocking`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e5e425d06fca8208a64cbb0e2a41d7d4d197e31648935dd8e24646feab3a909e"`
[INFO] running `"docker" "rm" "-f" "e5e425d06fca8208a64cbb0e2a41d7d4d197e31648935dd8e24646feab3a909e"`
[INFO] [stdout] e5e425d06fca8208a64cbb0e2a41d7d4d197e31648935dd8e24646feab3a909e