[INFO] cloning repository https://github.com/udoprog/futures-option
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/udoprog/futures-option" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudoprog%2Ffutures-option", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudoprog%2Ffutures-option'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ef220dc55cbc86eeccb2f7d4eb527d19dc8b9e8
[INFO] testing udoprog/futures-option against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudoprog%2Ffutures-option" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/udoprog/futures-option on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/udoprog/futures-option
[INFO] finished tweaking git repo https://github.com/udoprog/futures-option
[INFO] tweaked toml for git repo https://github.com/udoprog/futures-option written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bf2c1542afbc3d1290098c3dac853dcb5761a7ab714185c930a2a48fe5398232
[INFO] running `Command { std: "docker" "start" "-a" "bf2c1542afbc3d1290098c3dac853dcb5761a7ab714185c930a2a48fe5398232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf2c1542afbc3d1290098c3dac853dcb5761a7ab714185c930a2a48fe5398232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf2c1542afbc3d1290098c3dac853dcb5761a7ab714185c930a2a48fe5398232", kill_on_drop: false }`
[INFO] [stdout] bf2c1542afbc3d1290098c3dac853dcb5761a7ab714185c930a2a48fe5398232
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebd62df43a38d9cbad8fb59eed93bdcd23d6400f747e7b96c7116d649c30256e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ebd62df43a38d9cbad8fb59eed93bdcd23d6400f747e7b96c7116d649c30256e", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-fuse v0.11.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "ebd62df43a38d9cbad8fb59eed93bdcd23d6400f747e7b96c7116d649c30256e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebd62df43a38d9cbad8fb59eed93bdcd23d6400f747e7b96c7116d649c30256e", kill_on_drop: false }`
[INFO] [stdout] ebd62df43a38d9cbad8fb59eed93bdcd23d6400f747e7b96c7116d649c30256e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 720afd3d98becbc9caba9209967ebe8cb92ee3807e72dcac778a99f62cddb47e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "720afd3d98becbc9caba9209967ebe8cb92ee3807e72dcac778a99f62cddb47e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling smallvec v1.6.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling bytes v1.0.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling async-stream v0.3.0
[INFO] [stderr]    Compiling async-fuse v0.11.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 47.78s
[INFO] running `Command { std: "docker" "inspect" "720afd3d98becbc9caba9209967ebe8cb92ee3807e72dcac778a99f62cddb47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "720afd3d98becbc9caba9209967ebe8cb92ee3807e72dcac778a99f62cddb47e", kill_on_drop: false }`
[INFO] [stdout] 720afd3d98becbc9caba9209967ebe8cb92ee3807e72dcac778a99f62cddb47e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 265a472a8ea0140d44015862d3a0a077051fb650eb4bddd85dd40b97ba6c8c54
[INFO] running `Command { std: "docker" "start" "-a" "265a472a8ea0140d44015862d3a0a077051fb650eb4bddd85dd40b97ba6c8c54", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/async_fuse-2721892635dd66cf
[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 async-fuse
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/fuse.rs - fuse::Fuse<T>::poll_stream (line 339) ... FAILED
[INFO] [stdout] test src/fuse.rs - fuse::Fuse<T>::as_inner_mut (line 376) ... ok
[INFO] [stdout] test src/fuse.rs - fuse::Fuse<T>::clear (line 165) ... ok
[INFO] [stdout] test src/fuse.rs - fuse::Fuse<T>::as_pin_mut (line 395) ... ok
[INFO] [stdout] test src/fuse.rs - fuse::Fuse<T>::set (line 133) ... ok
[INFO] [stdout] test src/fuse.rs - fuse::Fuse<T>::as_inner_ref (line 233) ... ok
[INFO] [stdout] test src/fuse.rs - fuse::Fuse<T>::poll_future (line 298) ... ok
[INFO] [stdout] test src/fuse.rs - fuse::Fuse<Pin<Box<T>>>::pin (line 30) ... ok
[INFO] [stdout] test src/fuse.rs - fuse::Fuse<T>::new (line 81) ... ok
[INFO] [stdout] test src/fuse.rs - fuse::Fuse<T>::set (line 116) ... ok
[INFO] [stdout] test src/fuse.rs - fuse::Fuse<T>::empty (line 190) ... ok
[INFO] [stdout] test src/fuse.rs - fuse::Fuse<T>::poll_inner (line 260) ... ok
[INFO] [stdout] test src/fuse.rs - fuse::Fuse<T>::is_empty (line 210) ... ok
[INFO] [stdout] test src/fuse.rs - fuse::Fuse<T>::new (line 58) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] test src/lib.rs - (line 60) ... ok
[INFO] [stdout] test src/lib.rs - (line 82) ... ok
[INFO] [stdout] test src/lib.rs - (line 112) ... ok
[INFO] [stdout] test src/lib.rs - (line 155) ... ok
[INFO] [stdout] test src/lib.rs - (line 198) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/fuse.rs - fuse::Fuse<T>::poll_stream (line 339) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `async_fuse::Stream`
[INFO] [stdout]  --> src/fuse.rs:340:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use async_fuse::{Fuse, Stream};
[INFO] [stdout]   |                        ^^^^^^ no `Stream` in the root
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/fuse.rs - fuse::Fuse<T>::poll_stream (line 339)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 19 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "265a472a8ea0140d44015862d3a0a077051fb650eb4bddd85dd40b97ba6c8c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "265a472a8ea0140d44015862d3a0a077051fb650eb4bddd85dd40b97ba6c8c54", kill_on_drop: false }`
[INFO] [stdout] 265a472a8ea0140d44015862d3a0a077051fb650eb4bddd85dd40b97ba6c8c54