[INFO] crate tower-buffer 0.1.1 is already in cache
[INFO] extracting crate tower-buffer 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/tower-buffer/0.1.1
[INFO] extracting crate tower-buffer 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tower-buffer/0.1.1
[INFO] validating manifest of tower-buffer-0.1.1 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-buffer-0.1.1 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-buffer-0.1.1
[INFO] finished frobbing tower-buffer-0.1.1
[INFO] frobbed toml for tower-buffer-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/tower-buffer/0.1.1/Cargo.toml
[INFO] started frobbing tower-buffer-0.1.1
[INFO] finished frobbing tower-buffer-0.1.1
[INFO] frobbed toml for tower-buffer-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tower-buffer/0.1.1/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-buffer-0.1.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tower-buffer/0.1.1:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 45c0a3aa6f9562cce0eedcb4f697172e8e4db913ceabf31c55d6666c652dd0cb
[INFO] running `"docker" "start" "-a" "45c0a3aa6f9562cce0eedcb4f697172e8e4db913ceabf31c55d6666c652dd0cb"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling tracing-core v0.1.5
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.2
[INFO] [stderr]    Compiling tracing v0.1.6
[INFO] [stderr]    Compiling tower-buffer v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.53s
[INFO] running `"docker" "inspect" "45c0a3aa6f9562cce0eedcb4f697172e8e4db913ceabf31c55d6666c652dd0cb"`
[INFO] running `"docker" "rm" "-f" "45c0a3aa6f9562cce0eedcb4f697172e8e4db913ceabf31c55d6666c652dd0cb"`
[INFO] [stdout] 45c0a3aa6f9562cce0eedcb4f697172e8e4db913ceabf31c55d6666c652dd0cb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tower-buffer/0.1.1:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] f97a1837a29c5e11127b97d55c19f39f4377b91ba7aa33553f413c1b0f0faab3
[INFO] running `"docker" "start" "-a" "f97a1837a29c5e11127b97d55c19f39f4377b91ba7aa33553f413c1b0f0faab3"`
[INFO] [stderr]    Compiling tower-discover v0.1.0
[INFO] [stderr]    Compiling tower-load-shed v0.1.0
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tower-util v0.1.0
[INFO] [stderr]    Compiling tower-buffer v0.1.1
[INFO] [stderr]    Compiling tower-limit v0.1.0
[INFO] [stderr]    Compiling tower-timeout v0.1.1
[INFO] [stderr]    Compiling tower-retry v0.1.0
[INFO] [stderr]    Compiling tower v0.1.1
[INFO] [stderr]    Compiling tower-buffer v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.11s
[INFO] running `"docker" "inspect" "f97a1837a29c5e11127b97d55c19f39f4377b91ba7aa33553f413c1b0f0faab3"`
[INFO] running `"docker" "rm" "-f" "f97a1837a29c5e11127b97d55c19f39f4377b91ba7aa33553f413c1b0f0faab3"`
[INFO] [stdout] f97a1837a29c5e11127b97d55c19f39f4377b91ba7aa33553f413c1b0f0faab3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tower-buffer/0.1.1:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e9b116054e3f7eed5234626eef7c048d6d3119de654d8a94849b759ce735e1c3
[INFO] running `"docker" "start" "-a" "e9b116054e3f7eed5234626eef7c048d6d3119de654d8a94849b759ce735e1c3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tower_buffer-5622cd8552418506
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/buffer-ad438b75497348ef
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test poll_ready_when_worker_is_dropped_early ... ok
[INFO] [stdout] test response_future_when_worker_is_dropped_early ... ok
[INFO] [stdout] test when_spawn_fails ... ok
[INFO] [stdout] test req_and_res ... ok
[INFO] [stdout] test clears_canceled_requests ... ok
[INFO] [stdout] test when_inner_is_not_ready ... ok
[INFO] [stdout] test when_inner_fails ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tower-buffer
[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" "e9b116054e3f7eed5234626eef7c048d6d3119de654d8a94849b759ce735e1c3"`
[INFO] running `"docker" "rm" "-f" "e9b116054e3f7eed5234626eef7c048d6d3119de654d8a94849b759ce735e1c3"`
[INFO] [stdout] e9b116054e3f7eed5234626eef7c048d6d3119de654d8a94849b759ce735e1c3