[INFO] crate tokio-stdin-stdout 0.1.5 is already in cache
[INFO] testing tokio-stdin-stdout-0.1.5 against 1.38.0 for beta-1.39-1
[INFO] extracting crate tokio-stdin-stdout 0.1.5 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate tokio-stdin-stdout 0.1.5 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tokio-stdin-stdout 0.1.5
[INFO] finished tweaking crates.io crate tokio-stdin-stdout 0.1.5
[INFO] tweaked toml for crates.io crate tokio-stdin-stdout 0.1.5 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 0d373bf3af07b092d16ded84378c9840ce09d0a5ee9163f5a75f9f1c0042f669
[INFO] running `"docker" "start" "-a" "0d373bf3af07b092d16ded84378c9840ce09d0a5ee9163f5a75f9f1c0042f669"`
[INFO] [stderr]    Compiling tokio-stdin-stdout v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/lib.rs:171:17
[INFO] [stderr]     |
[INFO] [stderr] 171 |             Err(e) => {
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "0d373bf3af07b092d16ded84378c9840ce09d0a5ee9163f5a75f9f1c0042f669"`
[INFO] running `"docker" "rm" "-f" "0d373bf3af07b092d16ded84378c9840ce09d0a5ee9163f5a75f9f1c0042f669"`
[INFO] [stdout] 0d373bf3af07b092d16ded84378c9840ce09d0a5ee9163f5a75f9f1c0042f669
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 976f4ebb59a17280cda5dd0a095bd450007c5ba21a168a293798772576fa909e
[INFO] running `"docker" "start" "-a" "976f4ebb59a17280cda5dd0a095bd450007c5ba21a168a293798772576fa909e"`
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling tokio-stdin-stdout v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/lib.rs:171:17
[INFO] [stderr]     |
[INFO] [stderr] 171 |             Err(e) => {
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/line-by-line.rs:10:35
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn async_op(input: String) -> Box<Future<Item = String, Error = ()> + Send> {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = String, Error = ()> + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.95s
[INFO] running `"docker" "inspect" "976f4ebb59a17280cda5dd0a095bd450007c5ba21a168a293798772576fa909e"`
[INFO] running `"docker" "rm" "-f" "976f4ebb59a17280cda5dd0a095bd450007c5ba21a168a293798772576fa909e"`
[INFO] [stdout] 976f4ebb59a17280cda5dd0a095bd450007c5ba21a168a293798772576fa909e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 1d7bb1470adb002bef6c265244a8657ab96b97ce4291a06ee0807ac829c33fc2
[INFO] running `"docker" "start" "-a" "1d7bb1470adb002bef6c265244a8657ab96b97ce4291a06ee0807ac829c33fc2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tokio_stdin_stdout-5440abb2999e873d
[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] [stderr]    Doc-tests tokio-stdin-stdout
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 8) ... 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" "1d7bb1470adb002bef6c265244a8657ab96b97ce4291a06ee0807ac829c33fc2"`
[INFO] running `"docker" "rm" "-f" "1d7bb1470adb002bef6c265244a8657ab96b97ce4291a06ee0807ac829c33fc2"`
[INFO] [stdout] 1d7bb1470adb002bef6c265244a8657ab96b97ce4291a06ee0807ac829c33fc2