[INFO] crate byte_channel 0.0.1 is already in cache
[INFO] testing byte_channel-0.0.1 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate byte_channel 0.0.1 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate byte_channel 0.0.1 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 byte_channel 0.0.1
[INFO] finished tweaking crates.io crate byte_channel 0.0.1
[INFO] tweaked toml for crates.io crate byte_channel 0.0.1 written to work/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] 89fc55d4e3be8df36a4336fd2ad923492a0524b6f512da400d5f707324c7a341
[INFO] running `"docker" "start" "-a" "89fc55d4e3be8df36a4336fd2ad923492a0524b6f512da400d5f707324c7a341"`
[INFO] [stderr]    Compiling byte_channel v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "89fc55d4e3be8df36a4336fd2ad923492a0524b6f512da400d5f707324c7a341"`
[INFO] running `"docker" "rm" "-f" "89fc55d4e3be8df36a4336fd2ad923492a0524b6f512da400d5f707324c7a341"`
[INFO] [stdout] 89fc55d4e3be8df36a4336fd2ad923492a0524b6f512da400d5f707324c7a341
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] 6a82e264584466d6c64915d0bbe4e49994bf8934cc6a4d8f06aa3f6620ce191f
[INFO] running `"docker" "start" "-a" "6a82e264584466d6c64915d0bbe4e49994bf8934cc6a4d8f06aa3f6620ce191f"`
[INFO] [stderr]    Compiling test_futures v0.0.1
[INFO] [stderr]    Compiling byte_channel v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:2:18
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[cfg_attr(test, macro_use)]
[INFO] [stderr]   |                  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "6a82e264584466d6c64915d0bbe4e49994bf8934cc6a4d8f06aa3f6620ce191f"`
[INFO] running `"docker" "rm" "-f" "6a82e264584466d6c64915d0bbe4e49994bf8934cc6a4d8f06aa3f6620ce191f"`
[INFO] [stdout] 6a82e264584466d6c64915d0bbe4e49994bf8934cc6a4d8f06aa3f6620ce191f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] 24a308a5e87f1d4859e3b99ad7810ff3893b6b7cb45604a8041c09a634a8680a
[INFO] running `"docker" "start" "-a" "24a308a5e87f1d4859e3b99ad7810ff3893b6b7cb45604a8041c09a634a8680a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/byte_channel-b156496966055dd1
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test window::test::poll_applies_increment ... ok
[INFO] [stdout] test window::test::poll_not_ready_when_underflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sync-ffb470219680a829
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test shrink_between_advertise_and_push ... ok
[INFO] [stdout] test consuming_chunks_frees_space ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests byte_channel
[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" "24a308a5e87f1d4859e3b99ad7810ff3893b6b7cb45604a8041c09a634a8680a"`
[INFO] running `"docker" "rm" "-f" "24a308a5e87f1d4859e3b99ad7810ff3893b6b7cb45604a8041c09a634a8680a"`
[INFO] [stdout] 24a308a5e87f1d4859e3b99ad7810ff3893b6b7cb45604a8041c09a634a8680a