[INFO] fetching crate futures_ringbuf 0.2.1...
[INFO] testing futures_ringbuf-0.2.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate futures_ringbuf 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate futures_ringbuf 0.2.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate futures_ringbuf 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate futures_ringbuf 0.2.1
[INFO] tweaked toml for crates.io crate futures_ringbuf 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate futures_ringbuf 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 7b79cecc3ae0d7cc11a4467f001081c6d53aa0926c2cd20e09e88ab60c27d524
[INFO] running `"docker" "start" "-a" "7b79cecc3ae0d7cc11a4467f001081c6d53aa0926c2cd20e09e88ab60c27d524"`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling ringbuf v0.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling futures_ringbuf v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.86s
[INFO] running `"docker" "inspect" "7b79cecc3ae0d7cc11a4467f001081c6d53aa0926c2cd20e09e88ab60c27d524"`
[INFO] running `"docker" "rm" "-f" "7b79cecc3ae0d7cc11a4467f001081c6d53aa0926c2cd20e09e88ab60c27d524"`
[INFO] [stdout] 7b79cecc3ae0d7cc11a4467f001081c6d53aa0926c2cd20e09e88ab60c27d524
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] b23d8cc1d76c2b1129a73a32a51649f05209f3504d515f8914aba5c621302dd4
[INFO] running `"docker" "start" "-a" "b23d8cc1d76c2b1129a73a32a51649f05209f3504d515f8914aba5c621302dd4"`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling tokio v0.2.18
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]    Compiling ergo-pin v0.1.0
[INFO] [stderr]    Compiling futures-test v0.3.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling pin-project v0.4.9
[INFO] [stderr]    Compiling futures_codec v0.4.0
[INFO] [stderr]    Compiling futures_ringbuf v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.64s
[INFO] running `"docker" "inspect" "b23d8cc1d76c2b1129a73a32a51649f05209f3504d515f8914aba5c621302dd4"`
[INFO] running `"docker" "rm" "-f" "b23d8cc1d76c2b1129a73a32a51649f05209f3504d515f8914aba5c621302dd4"`
[INFO] [stdout] b23d8cc1d76c2b1129a73a32a51649f05209f3504d515f8914aba5c621302dd4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 475c8309623a11f448b4ecc7722d9ddd0006f01537208f0ec4db34de89360905
[INFO] running `"docker" "start" "-a" "475c8309623a11f448b4ecc7722d9ddd0006f01537208f0ec4db34de89360905"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/futures_ringbuf-3967ebcc641a4dbf
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test async_write::tests::close_wake_reader ... ok
[INFO] [stdout] test async_write::tests::closed_write ... ok
[INFO] [stdout] test async_write::tests::async_write ... ok
[INFO] [stdout] test async_read::tests::closed_read ... ok
[INFO] [stdout] test async_read::tests::async_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/endpoint-4cfc48deec9229e1
[INFO] [stdout] running 6 tests
[INFO] [stdout] test basic_usage ... ok
[INFO] [stdout] test close_read ... ok
[INFO] [stdout] test close_read_remaining ... ok
[INFO] [stdout] test close_wake_pending ... ok
[INFO] [stdout] test drop_wake_pending ... ok
[INFO] [stdout] test close_write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/endpoint_tokio-9c6b3d0f7eb00603
[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/wasm-2a3022d8328c3b5a
[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/wasm_tokio-dbd316b2c7f91585
[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]    Doc-tests futures_ringbuf
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 170) ... ok
[INFO] [stdout] test src/lib.rs -  (line 100) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "475c8309623a11f448b4ecc7722d9ddd0006f01537208f0ec4db34de89360905"`
[INFO] running `"docker" "rm" "-f" "475c8309623a11f448b4ecc7722d9ddd0006f01537208f0ec4db34de89360905"`
[INFO] [stdout] 475c8309623a11f448b4ecc7722d9ddd0006f01537208f0ec4db34de89360905