[INFO] crate tower-limit 0.1.0 is already in cache
[INFO] extracting crate tower-limit 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/tower-limit/0.1.0
[INFO] extracting crate tower-limit 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tower-limit/0.1.0
[INFO] validating manifest of tower-limit-0.1.0 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 tower-limit-0.1.0 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 tower-limit-0.1.0
[INFO] finished frobbing tower-limit-0.1.0
[INFO] frobbed toml for tower-limit-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/tower-limit/0.1.0/Cargo.toml
[INFO] started frobbing tower-limit-0.1.0
[INFO] finished frobbing tower-limit-0.1.0
[INFO] frobbed toml for tower-limit-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tower-limit/0.1.0/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tower-limit-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tower-limit/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] def10c75af2ab56b19ac2277d19c7c5ccb48b4b5a1cb10ebdc469431d89bc806
[INFO] running `"docker" "start" "-a" "def10c75af2ab56b19ac2277d19c7c5ccb48b4b5a1cb10ebdc469431d89bc806"`
[INFO] [stderr]    Compiling tower-service v0.2.0
[INFO] [stderr]    Compiling tower-layer v0.1.0
[INFO] [stderr]    Compiling tower-limit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "def10c75af2ab56b19ac2277d19c7c5ccb48b4b5a1cb10ebdc469431d89bc806"`
[INFO] running `"docker" "rm" "-f" "def10c75af2ab56b19ac2277d19c7c5ccb48b4b5a1cb10ebdc469431d89bc806"`
[INFO] [stdout] def10c75af2ab56b19ac2277d19c7c5ccb48b4b5a1cb10ebdc469431d89bc806
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tower-limit/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b64cd39d1e91d19df49c0d95048814d7dec7fe073be7cb7274204da0a5a75be2
[INFO] running `"docker" "start" "-a" "b64cd39d1e91d19df49c0d95048814d7dec7fe073be7cb7274204da0a5a75be2"`
[INFO] [stderr]    Compiling tokio-mock-task v0.1.1
[INFO] [stderr]    Compiling tower-test v0.1.0
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tower-limit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.87s
[INFO] running `"docker" "inspect" "b64cd39d1e91d19df49c0d95048814d7dec7fe073be7cb7274204da0a5a75be2"`
[INFO] running `"docker" "rm" "-f" "b64cd39d1e91d19df49c0d95048814d7dec7fe073be7cb7274204da0a5a75be2"`
[INFO] [stdout] b64cd39d1e91d19df49c0d95048814d7dec7fe073be7cb7274204da0a5a75be2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tower-limit/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 458903c1bef6eb5efc6163ddeebbaf3edea6ebe49e7a732f9624204afcee2347
[INFO] running `"docker" "start" "-a" "458903c1bef6eb5efc6163ddeebbaf3edea6ebe49e7a732f9624204afcee2347"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tower_limit-fbdacec29bfe4b88
[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]      Running /opt/crater/target/debug/deps/concurrency-c762bfd91d40df3f
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test reserve_capacity_without_sending_request ... ok
[INFO] [stdout] test response_future_drop_releases_capacity ... ok
[INFO] [stdout] test response_error_releases_capacity ... ok
[INFO] [stdout] test basic_service_limit_functionality_without_poll_ready ... ok
[INFO] [stdout] test basic_service_limit_functionality_with_poll_ready ... ok
[INFO] [stdout] test multi_waiters ... ok
[INFO] [stdout] test service_drop_frees_capacity ... ok
[INFO] [stdout] test request_without_capacity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rate-4b89c3208b51183d
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test reaching_capacity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tower-limit
[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" "458903c1bef6eb5efc6163ddeebbaf3edea6ebe49e7a732f9624204afcee2347"`
[INFO] running `"docker" "rm" "-f" "458903c1bef6eb5efc6163ddeebbaf3edea6ebe49e7a732f9624204afcee2347"`
[INFO] [stdout] 458903c1bef6eb5efc6163ddeebbaf3edea6ebe49e7a732f9624204afcee2347