[INFO] fetching crate fibers 0.1.13...
[INFO] testing fibers-0.1.13 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate fibers 0.1.13 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fibers 0.1.13 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7075fe904ecbe5c2ce4f02e0ad6b7ece26f0ded5fdab71aaad6733d40405a08b
[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" "7075fe904ecbe5c2ce4f02e0ad6b7ece26f0ded5fdab71aaad6733d40405a08b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7075fe904ecbe5c2ce4f02e0ad6b7ece26f0ded5fdab71aaad6733d40405a08b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7075fe904ecbe5c2ce4f02e0ad6b7ece26f0ded5fdab71aaad6733d40405a08b", kill_on_drop: false }`
[INFO] [stdout] 7075fe904ecbe5c2ce4f02e0ad6b7ece26f0ded5fdab71aaad6733d40405a08b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f92dcda21683c00f1303c9f3bb49c98a3f94a39a0d3ade1d441d79c10680864b
[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" "f92dcda21683c00f1303c9f3bb49c98a3f94a39a0d3ade1d441d79c10680864b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[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 4.22s
[INFO] running `Command { std: "docker" "inspect" "f92dcda21683c00f1303c9f3bb49c98a3f94a39a0d3ade1d441d79c10680864b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f92dcda21683c00f1303c9f3bb49c98a3f94a39a0d3ade1d441d79c10680864b", kill_on_drop: false }`
[INFO] [stdout] f92dcda21683c00f1303c9f3bb49c98a3f94a39a0d3ade1d441d79c10680864b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fccd94436b61f6b46a4cf96a231f953ffb17c730714612c4a2d3d656c0a0f62
[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" "9fccd94436b61f6b46a4cf96a231f953ffb17c730714612c4a2d3d656c0a0f62", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling handy_async v0.2.13
[INFO] [stderr]    Compiling fibers v0.1.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.22s
[INFO] running `Command { std: "docker" "inspect" "9fccd94436b61f6b46a4cf96a231f953ffb17c730714612c4a2d3d656c0a0f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fccd94436b61f6b46a4cf96a231f953ffb17c730714612c4a2d3d656c0a0f62", kill_on_drop: false }`
[INFO] [stdout] 9fccd94436b61f6b46a4cf96a231f953ffb17c730714612c4a2d3d656c0a0f62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7165a34a2d83c13f79d13d645a51bfd64e147aae015a01c29d68c5b1619cfafc
[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" "7165a34a2d83c13f79d13d645a51bfd64e147aae015a01c29d68c5b1619cfafc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fibers-5625b1bbd23b4329)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test sync_atomic::test::it_works ... ok
[INFO] [stdout] test collections::test::it_works ... ok
[INFO] [stdout] test time::timer::test::it_works ... ok
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fibers
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/lib.rs - (line 30) ... ignored
[INFO] [stdout] test src/lib.rs - (line 113) - compile ... 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::MonitorError<E>::unwrap_or (line 306) ... ok
[INFO] [stdout] test src/sync/oneshot.rs - sync::oneshot::monitor (line 190) ... ok
[INFO] [stdout] test src/sync/oneshot.rs - sync::oneshot::monitor (line 155) ... ok
[INFO] [stdout] test src/net/tcp.rs - net::tcp::TcpListener (line 22) ... ok
[INFO] [stdout] test src/sync/oneshot.rs - sync::oneshot::channel (line 30) ... ok
[INFO] [stdout] test src/sync/mpsc.rs - sync::mpsc::channel (line 76) ... ok
[INFO] [stdout] test src/executor/in_place.rs - executor::in_place::InPlaceExecutor (line 18) ... ok
[INFO] [stdout] test src/fiber/schedule.rs - fiber::schedule::yield_poll (line 260) ... ok
[INFO] [stdout] test src/net/tcp.rs - net::tcp::TcpStream (line 216) ... ok
[INFO] [stdout] test src/fiber/mod.rs - fiber::Spawn::spawn_link (line 73) ... ok
[INFO] [stdout] test src/lib.rs - (line 77) ... ok
[INFO] [stdout] test src/sync/mpsc.rs - sync::mpsc (line 14) ... ok
[INFO] [stdout] test src/executor/thread_pool.rs - executor::thread_pool::ThreadPoolExecutor (line 24) ... ok
[INFO] [stdout] test src/net/udp.rs - net::udp::UdpSocket (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 1.69s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7165a34a2d83c13f79d13d645a51bfd64e147aae015a01c29d68c5b1619cfafc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7165a34a2d83c13f79d13d645a51bfd64e147aae015a01c29d68c5b1619cfafc", kill_on_drop: false }`
[INFO] [stdout] 7165a34a2d83c13f79d13d645a51bfd64e147aae015a01c29d68c5b1619cfafc