[INFO] fetching crate fibers 0.1.13...
[INFO] testing fibers-0.1.13 against 1.49.0 for beta-1.50-1
[INFO] extracting crate fibers 0.1.13 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fibers 0.1.13 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 fibers 0.1.13
[INFO] finished tweaking crates.io crate fibers 0.1.13
[INFO] tweaked toml for crates.io crate fibers 0.1.13 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate fibers 0.1.13 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded handy_async v0.2.13
[INFO] running `Command { std: "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" "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] [stdout] c983ff0848a3ce494fb0010ff93e09d43101eea49c663b668225464be3bcd0da
[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" "c983ff0848a3ce494fb0010ff93e09d43101eea49c663b668225464be3bcd0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c983ff0848a3ce494fb0010ff93e09d43101eea49c663b668225464be3bcd0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c983ff0848a3ce494fb0010ff93e09d43101eea49c663b668225464be3bcd0da", kill_on_drop: false }`
[INFO] [stdout] c983ff0848a3ce494fb0010ff93e09d43101eea49c663b668225464be3bcd0da
[INFO] running `Command { std: "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" "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] 9dc988c0d2c24f303108d4801b7260557d024b30452f19df875369b7c533180e
[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" "9dc988c0d2c24f303108d4801b7260557d024b30452f19df875369b7c533180e", kill_on_drop: false }`
[INFO] [stderr]    Compiling splay_tree v0.2.10
[INFO] [stderr]    Compiling nbchan v0.1.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling fibers v0.1.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.47s
[INFO] running `Command { std: "docker" "inspect" "9dc988c0d2c24f303108d4801b7260557d024b30452f19df875369b7c533180e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dc988c0d2c24f303108d4801b7260557d024b30452f19df875369b7c533180e", kill_on_drop: false }`
[INFO] [stdout] 9dc988c0d2c24f303108d4801b7260557d024b30452f19df875369b7c533180e
[INFO] running `Command { std: "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" "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] 9cc7f712c445c8847c148ab7868e66836257d7b0cbeb352b15b70a2d8293cdb9
[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" "9cc7f712c445c8847c148ab7868e66836257d7b0cbeb352b15b70a2d8293cdb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling handy_async v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling fibers v0.1.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.25s
[INFO] running `Command { std: "docker" "inspect" "9cc7f712c445c8847c148ab7868e66836257d7b0cbeb352b15b70a2d8293cdb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cc7f712c445c8847c148ab7868e66836257d7b0cbeb352b15b70a2d8293cdb9", kill_on_drop: false }`
[INFO] [stdout] 9cc7f712c445c8847c148ab7868e66836257d7b0cbeb352b15b70a2d8293cdb9
[INFO] running `Command { std: "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" "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] [stdout] 8385340b3aec5f1e512472a1becc810b6da1ea4aeb9e81cc8322d9b0223ec52a
[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" "8385340b3aec5f1e512472a1becc810b6da1ea4aeb9e81cc8322d9b0223ec52a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fibers-6e1d2e3f0cece712
[INFO] [stdout] test time::timer::test::it_works ... ok
[INFO] [stdout] test sync_atomic::test::it_works ... ok
[INFO] [stdout] test collections::test::it_works ... ok
[INFO] [stderr]    Doc-tests fibers
[INFO] [stdout] test time::timer::test::timeout_after_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/lib.rs - (line 30) ... ignored
[INFO] [stdout] test src/lib.rs - (line 113) ... ok
[INFO] [stdout] test src/sync/oneshot.rs - sync::oneshot::MonitorError<E>::unwrap_or (line 306) ... ok
[INFO] [stdout] test src/sync/oneshot.rs - sync::oneshot::MonitorError<E>::map (line 281) ... ok
[INFO] [stdout] test src/sync/oneshot.rs - sync::oneshot::monitor (line 190) ... ok
[INFO] [stdout] test src/net/tcp.rs - net::tcp::TcpListener (line 22) ... ok
[INFO] [stdout] test src/executor/thread_pool.rs - executor::thread_pool::ThreadPoolExecutor (line 24) ... ok
[INFO] [stdout] test src/fiber/mod.rs - fiber::Spawn::spawn_link (line 73) ... ok
[INFO] [stdout] test src/sync/mpsc.rs - sync::mpsc::channel (line 76) ... ok
[INFO] [stdout] test src/sync/mpsc.rs - sync::mpsc (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 77) ... ok
[INFO] [stdout] test src/fiber/schedule.rs - fiber::schedule::yield_poll (line 260) ... ok
[INFO] [stdout] test src/sync/oneshot.rs - sync::oneshot::channel (line 30) ... ok
[INFO] [stdout] test src/sync/oneshot.rs - sync::oneshot::monitor (line 155) ... ok
[INFO] [stdout] test src/executor/in_place.rs - executor::in_place::InPlaceExecutor (line 18) ... ok
[INFO] [stdout] test src/net/udp.rs - net::udp::UdpSocket (line 19) ... ok
[INFO] [stdout] test src/net/tcp.rs - net::tcp::TcpStream (line 216) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8385340b3aec5f1e512472a1becc810b6da1ea4aeb9e81cc8322d9b0223ec52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8385340b3aec5f1e512472a1becc810b6da1ea4aeb9e81cc8322d9b0223ec52a", kill_on_drop: false }`
[INFO] [stdout] 8385340b3aec5f1e512472a1becc810b6da1ea4aeb9e81cc8322d9b0223ec52a