[INFO] crate tower-buffer 0.3.0 is already in cache
[INFO] testing tower-buffer-0.3.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate tower-buffer 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate tower-buffer 0.3.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tower-buffer 0.3.0
[INFO] finished tweaking crates.io crate tower-buffer 0.3.0
[INFO] tweaked toml for crates.io crate tower-buffer 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d18dd9622774eafa7fcaf19dd2c2947e76d48ab5d5a74f62b36dafe8e7be6113
[INFO] running `"docker" "start" "-a" "d18dd9622774eafa7fcaf19dd2c2947e76d48ab5d5a74f62b36dafe8e7be6113"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling tower-layer v0.3.0
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling pin-project-internal v0.4.19
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling tracing v0.1.15
[INFO] [stderr]    Compiling pin-project v0.4.19
[INFO] [stderr]    Compiling tower-buffer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.81s
[INFO] running `"docker" "inspect" "d18dd9622774eafa7fcaf19dd2c2947e76d48ab5d5a74f62b36dafe8e7be6113"`
[INFO] running `"docker" "rm" "-f" "d18dd9622774eafa7fcaf19dd2c2947e76d48ab5d5a74f62b36dafe8e7be6113"`
[INFO] [stdout] d18dd9622774eafa7fcaf19dd2c2947e76d48ab5d5a74f62b36dafe8e7be6113
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f3c98147320eeaea8ec4a16dd61ddc6af715ae1d54ccfe9a47d68cb4565bc12b
[INFO] running `"docker" "start" "-a" "f3c98147320eeaea8ec4a16dd61ddc6af715ae1d54ccfe9a47d68cb4565bc12b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling tokio-test v0.2.1
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tower-test v0.3.0
[INFO] [stderr]    Compiling tower-buffer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.62s
[INFO] running `"docker" "inspect" "f3c98147320eeaea8ec4a16dd61ddc6af715ae1d54ccfe9a47d68cb4565bc12b"`
[INFO] running `"docker" "rm" "-f" "f3c98147320eeaea8ec4a16dd61ddc6af715ae1d54ccfe9a47d68cb4565bc12b"`
[INFO] [stdout] f3c98147320eeaea8ec4a16dd61ddc6af715ae1d54ccfe9a47d68cb4565bc12b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8bc64343ecea11756407e0100a25612129b452054a2685061c526648c9e3601e
[INFO] running `"docker" "start" "-a" "8bc64343ecea11756407e0100a25612129b452054a2685061c526648c9e3601e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tower_buffer-b84ac731199cb35d
[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/rustwide/target/debug/deps/buffer-338612e12adfbba6
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test poll_ready_when_worker_is_dropped_early ... ok
[INFO] [stdout] test when_inner_fails ... ok
[INFO] [stdout] test response_future_when_worker_is_dropped_early ... 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] 
[INFO] [stdout] test result: ok. 6 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" "8bc64343ecea11756407e0100a25612129b452054a2685061c526648c9e3601e"`
[INFO] running `"docker" "rm" "-f" "8bc64343ecea11756407e0100a25612129b452054a2685061c526648c9e3601e"`
[INFO] [stdout] 8bc64343ecea11756407e0100a25612129b452054a2685061c526648c9e3601e