[INFO] fetching crate poller 0.2.0...
[INFO] testing poller-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate poller 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate poller 0.2.0 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 crates.io crate poller 0.2.0
[INFO] finished tweaking crates.io crate poller 0.2.0
[INFO] tweaked toml for crates.io crate poller 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate poller 0.2.0 already has a lockfile, it will not be regenerated
[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] f5bf4aa752b119969702c1aa955e22a1a47ab49f174b9c90e03d1d6c98cf784e
[INFO] running `Command { std: "docker" "start" "-a" "f5bf4aa752b119969702c1aa955e22a1a47ab49f174b9c90e03d1d6c98cf784e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5bf4aa752b119969702c1aa955e22a1a47ab49f174b9c90e03d1d6c98cf784e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5bf4aa752b119969702c1aa955e22a1a47ab49f174b9c90e03d1d6c98cf784e", kill_on_drop: false }`
[INFO] [stdout] f5bf4aa752b119969702c1aa955e22a1a47ab49f174b9c90e03d1d6c98cf784e
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1e008c6988cc36f4b258e945b91983dd5ff6502867bf76e19ac7336009c76623
[INFO] running `Command { std: "docker" "start" "-a" "1e008c6988cc36f4b258e945b91983dd5ff6502867bf76e19ac7336009c76623", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling poller v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.81s
[INFO] running `Command { std: "docker" "inspect" "1e008c6988cc36f4b258e945b91983dd5ff6502867bf76e19ac7336009c76623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e008c6988cc36f4b258e945b91983dd5ff6502867bf76e19ac7336009c76623", kill_on_drop: false }`
[INFO] [stdout] 1e008c6988cc36f4b258e945b91983dd5ff6502867bf76e19ac7336009c76623
[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] 96a4a0aa5aece4dc6770a240a29dde2c13a32235d9175f42abf441954b76d06d
[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" "96a4a0aa5aece4dc6770a240a29dde2c13a32235d9175f42abf441954b76d06d", kill_on_drop: false }`
[INFO] [stderr]    Compiling poller v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "96a4a0aa5aece4dc6770a240a29dde2c13a32235d9175f42abf441954b76d06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96a4a0aa5aece4dc6770a240a29dde2c13a32235d9175f42abf441954b76d06d", kill_on_drop: false }`
[INFO] [stdout] 96a4a0aa5aece4dc6770a240a29dde2c13a32235d9175f42abf441954b76d06d
[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] 4aeeee79a4f01d82d971a292c651ef7cf52dc4a3d5f8c7492500ffb090f1986b
[INFO] running `Command { std: "docker" "start" "-a" "4aeeee79a4f01d82d971a292c651ef7cf52dc4a3d5f8c7492500ffb090f1986b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/poller-89565292cfced3d6
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test epoll::tests::test_poller ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests poller
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Events (line 24) ... FAILED
[INFO] [stdout] test src/epoll.rs - epoll::Poller::pull_events (line 137) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Events (line 24) stdout ----
[INFO] [stdout] error[E0599]: no method named `with_read` found for struct `Events` in the current scope
[INFO] [stdout]  --> src/lib.rs:26:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | let events = Events::new().with_read();
[INFO] [stdout]   |                            ^^^^^^^^^ method not found in `Events`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/epoll.rs - epoll::Poller::pull_events (line 137) stdout ----
[INFO] [stdout] error[E0599]: no method named `with_write` found for struct `Events` in the current scope
[INFO] [stdout]  --> src/epoll.rs:140:29
[INFO] [stdout]   |
[INFO] [stdout] 6 | poller.add(1, Events::new().with_write(), None).unwrap();
[INFO] [stdout]   |                             ^^^^^^^^^^ method not found in `Events`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/epoll.rs - epoll::Poller::pull_events (line 137)
[INFO] [stdout]     src/lib.rs - Events (line 24)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 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" "4aeeee79a4f01d82d971a292c651ef7cf52dc4a3d5f8c7492500ffb090f1986b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aeeee79a4f01d82d971a292c651ef7cf52dc4a3d5f8c7492500ffb090f1986b", kill_on_drop: false }`
[INFO] [stdout] 4aeeee79a4f01d82d971a292c651ef7cf52dc4a3d5f8c7492500ffb090f1986b