[INFO] crate tower-limit 0.1.0 is already in cache
[INFO] extracting crate tower-limit 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/tower-limit/0.1.0
[INFO] extracting crate tower-limit 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tower-limit/0.1.0
[INFO] validating manifest of tower-limit-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-limit-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-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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/tower-limit/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-limit-0.1.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 8c99f51b918db51c5d2af48db16fb55dc5fb2a31131675416cc003d55df6817d
[INFO] running `"docker" "start" "-a" "8c99f51b918db51c5d2af48db16fb55dc5fb2a31131675416cc003d55df6817d"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling tower-limit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "8c99f51b918db51c5d2af48db16fb55dc5fb2a31131675416cc003d55df6817d"`
[INFO] running `"docker" "rm" "-f" "8c99f51b918db51c5d2af48db16fb55dc5fb2a31131675416cc003d55df6817d"`
[INFO] [stdout] 8c99f51b918db51c5d2af48db16fb55dc5fb2a31131675416cc003d55df6817d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c3d046b1e4889c6d932a868bbc95b0240de738ae9ee48a5ed0b32186ce5b653f
[INFO] running `"docker" "start" "-a" "c3d046b1e4889c6d932a868bbc95b0240de738ae9ee48a5ed0b32186ce5b653f"`
[INFO] [stderr]    Compiling tower-limit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.80s
[INFO] running `"docker" "inspect" "c3d046b1e4889c6d932a868bbc95b0240de738ae9ee48a5ed0b32186ce5b653f"`
[INFO] running `"docker" "rm" "-f" "c3d046b1e4889c6d932a868bbc95b0240de738ae9ee48a5ed0b32186ce5b653f"`
[INFO] [stdout] c3d046b1e4889c6d932a868bbc95b0240de738ae9ee48a5ed0b32186ce5b653f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 42d7109ab5c90de4f7f83cbc86d1f68b44f9a6319b8ac08e4edf49863c8cf95e
[INFO] running `"docker" "start" "-a" "42d7109ab5c90de4f7f83cbc86d1f68b44f9a6319b8ac08e4edf49863c8cf95e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tower_limit-afa27f5531634518
[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-5ed11eadac1e6046
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test reserve_capacity_without_sending_request ... ok
[INFO] [stdout] test response_error_releases_capacity ... ok
[INFO] [stdout] test basic_service_limit_functionality_without_poll_ready ... ok
[INFO] [stdout] test request_without_capacity ... ok
[INFO] [stdout] test multi_waiters ... ok
[INFO] [stdout] test response_future_drop_releases_capacity ... ok
[INFO] [stdout] test service_drop_frees_capacity ... ok
[INFO] [stdout] test basic_service_limit_functionality_with_poll_ready ... 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-87e8b84440138a08
[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" "42d7109ab5c90de4f7f83cbc86d1f68b44f9a6319b8ac08e4edf49863c8cf95e"`
[INFO] running `"docker" "rm" "-f" "42d7109ab5c90de4f7f83cbc86d1f68b44f9a6319b8ac08e4edf49863c8cf95e"`
[INFO] [stdout] 42d7109ab5c90de4f7f83cbc86d1f68b44f9a6319b8ac08e4edf49863c8cf95e