[INFO] crate tower-load-shed 0.1.0 is already in cache
[INFO] extracting crate tower-load-shed 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/tower-load-shed/0.1.0
[INFO] extracting crate tower-load-shed 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tower-load-shed/0.1.0
[INFO] validating manifest of tower-load-shed-0.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tower-load-shed-0.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tower-load-shed-0.1.0
[INFO] finished frobbing tower-load-shed-0.1.0
[INFO] frobbed toml for tower-load-shed-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/tower-load-shed/0.1.0/Cargo.toml
[INFO] started frobbing tower-load-shed-0.1.0
[INFO] finished frobbing tower-load-shed-0.1.0
[INFO] frobbed toml for tower-load-shed-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tower-load-shed/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tower-load-shed-0.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tower-load-shed/0.1.0:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] e3b788f4d3f833070966dd44712e4dfe1b8cffc31dd9ba86f241ebe1fe3c77cf
[INFO] running `"docker" "start" "-a" "e3b788f4d3f833070966dd44712e4dfe1b8cffc31dd9ba86f241ebe1fe3c77cf"`
[INFO] [stderr]    Compiling tower-service v0.2.0
[INFO] [stderr]    Compiling tower-layer v0.1.0
[INFO] [stderr]    Compiling tower-load-shed v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "e3b788f4d3f833070966dd44712e4dfe1b8cffc31dd9ba86f241ebe1fe3c77cf"`
[INFO] running `"docker" "rm" "-f" "e3b788f4d3f833070966dd44712e4dfe1b8cffc31dd9ba86f241ebe1fe3c77cf"`
[INFO] [stdout] e3b788f4d3f833070966dd44712e4dfe1b8cffc31dd9ba86f241ebe1fe3c77cf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tower-load-shed/0.1.0:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 26832f7852dbcf207868c166545e5c0b68908d2c090c0379c4c5aaa6d45208e0
[INFO] running `"docker" "start" "-a" "26832f7852dbcf207868c166545e5c0b68908d2c090c0379c4c5aaa6d45208e0"`
[INFO] [stderr]    Compiling tokio-mock-task v0.1.1
[INFO] [stderr]    Compiling tower-test v0.1.0
[INFO] [stderr]    Compiling tower-load-shed v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Future` is imported redundantly
[INFO] [stderr]   --> tests/load-shed.rs:52:33
[INFO] [stderr]    |
[INFO] [stderr] 1  | use futures::Future;
[INFO] [stderr]    |     --------------- the item `Future` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 52 |     use futures::future::{lazy, Future};
[INFO] [stderr]    |                                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `"docker" "inspect" "26832f7852dbcf207868c166545e5c0b68908d2c090c0379c4c5aaa6d45208e0"`
[INFO] running `"docker" "rm" "-f" "26832f7852dbcf207868c166545e5c0b68908d2c090c0379c4c5aaa6d45208e0"`
[INFO] [stdout] 26832f7852dbcf207868c166545e5c0b68908d2c090c0379c4c5aaa6d45208e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tower-load-shed/0.1.0:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] e792ff542ccce632a0ade16520f93290203e480f556f4d81fdce91d0a99f524f
[INFO] running `"docker" "start" "-a" "e792ff542ccce632a0ade16520f93290203e480f556f4d81fdce91d0a99f524f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tower_load_shed-866144b9c17773f6
[INFO] [stderr]      Running /opt/crater/target/debug/deps/load_shed-d597e2cf4cbea21e
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tower-load-shed
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test when_not_ready ... ok
[INFO] [stdout] test when_ready ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "e792ff542ccce632a0ade16520f93290203e480f556f4d81fdce91d0a99f524f"`
[INFO] running `"docker" "rm" "-f" "e792ff542ccce632a0ade16520f93290203e480f556f4d81fdce91d0a99f524f"`
[INFO] [stdout] e792ff542ccce632a0ade16520f93290203e480f556f4d81fdce91d0a99f524f