[INFO] fetching crate async-watch2 0.1.0...
[INFO] testing async-watch2-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate async-watch2 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate async-watch2 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-watch2 0.1.0
[INFO] finished tweaking crates.io crate async-watch2 0.1.0
[INFO] tweaked toml for crates.io crate async-watch2 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61a9feee36105c3c144f87912769320fc77250741a4e9b3a42c15a215973b3c7
[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" "61a9feee36105c3c144f87912769320fc77250741a4e9b3a42c15a215973b3c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61a9feee36105c3c144f87912769320fc77250741a4e9b3a42c15a215973b3c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a9feee36105c3c144f87912769320fc77250741a4e9b3a42c15a215973b3c7", kill_on_drop: false }`
[INFO] [stdout] 61a9feee36105c3c144f87912769320fc77250741a4e9b3a42c15a215973b3c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e63cc09437131fd5308fd429caba3fd63d5515b97c2306e06e2567bf2dbbf801
[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" "e63cc09437131fd5308fd429caba3fd63d5515b97c2306e06e2567bf2dbbf801", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling async-watch2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "e63cc09437131fd5308fd429caba3fd63d5515b97c2306e06e2567bf2dbbf801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e63cc09437131fd5308fd429caba3fd63d5515b97c2306e06e2567bf2dbbf801", kill_on_drop: false }`
[INFO] [stdout] e63cc09437131fd5308fd429caba3fd63d5515b97c2306e06e2567bf2dbbf801
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 959d74cc3b427613ec7c48706c039915fe2e53b8953f558614c345e775b491f4
[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" "959d74cc3b427613ec7c48706c039915fe2e53b8953f558614c345e775b491f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling futures-io v0.3.18
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling vec-arena v0.5.2
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling parking v1.0.6
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling multitask v0.2.0
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling futures-lite v0.1.11
[INFO] [stderr]    Compiling polling v0.1.9
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling async-io v0.1.11
[INFO] [stderr]    Compiling async-executor v0.1.2
[INFO] [stderr]    Compiling tokio-test v0.2.1
[INFO] [stderr]    Compiling async-watch2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.81s
[INFO] running `Command { std: "docker" "inspect" "959d74cc3b427613ec7c48706c039915fe2e53b8953f558614c345e775b491f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "959d74cc3b427613ec7c48706c039915fe2e53b8953f558614c345e775b491f4", kill_on_drop: false }`
[INFO] [stdout] 959d74cc3b427613ec7c48706c039915fe2e53b8953f558614c345e775b491f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0c5672dcb1506da0160188d54a45b47bc089c451ee932ce3c8d1770c9705147a
[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" "0c5672dcb1506da0160188d54a45b47bc089c451ee932ce3c8d1770c9705147a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_watch2-2e98da23afad1d9a)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/watch.rs (/opt/rustwide/target/debug/deps/watch-9fbc5085816910de)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test multi_rx ... ok
[INFO] [stdout] test poll_close ... ok
[INFO] [stdout] test single_rx_recv ... ok
[INFO] [stderr]    Doc-tests async-watch2
[INFO] [stdout] test rx_observes_final_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Receiver<T>::borrow (line 198) ... ok
[INFO] [stdout] test src/lib.rs - channel (line 148) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::recv (line 243) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.85s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0c5672dcb1506da0160188d54a45b47bc089c451ee932ce3c8d1770c9705147a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c5672dcb1506da0160188d54a45b47bc089c451ee932ce3c8d1770c9705147a", kill_on_drop: false }`
[INFO] [stdout] 0c5672dcb1506da0160188d54a45b47bc089c451ee932ce3c8d1770c9705147a