[INFO] fetching crate sendfd-new 0.4.0...
[INFO] testing sendfd-new-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate sendfd-new 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sendfd-new 0.4.0 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 sendfd-new 0.4.0
[INFO] finished tweaking crates.io crate sendfd-new 0.4.0
[INFO] tweaked toml for crates.io crate sendfd-new 0.4.0 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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0f7c7ccb63c5de5958003e59eb4c1d6c12ab1fab54d515d0d5cdae8aa1f08ed
[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" "f0f7c7ccb63c5de5958003e59eb4c1d6c12ab1fab54d515d0d5cdae8aa1f08ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0f7c7ccb63c5de5958003e59eb4c1d6c12ab1fab54d515d0d5cdae8aa1f08ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f7c7ccb63c5de5958003e59eb4c1d6c12ab1fab54d515d0d5cdae8aa1f08ed", kill_on_drop: false }`
[INFO] [stdout] f0f7c7ccb63c5de5958003e59eb4c1d6c12ab1fab54d515d0d5cdae8aa1f08ed
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 373316f499ec0fedc8dede31d900cab8c1dcf553c9903220e96144b785372db5
[INFO] running `Command { std: "docker" "start" "-a" "373316f499ec0fedc8dede31d900cab8c1dcf553c9903220e96144b785372db5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling sendfd-new v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `Command { std: "docker" "inspect" "373316f499ec0fedc8dede31d900cab8c1dcf553c9903220e96144b785372db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "373316f499ec0fedc8dede31d900cab8c1dcf553c9903220e96144b785372db5", kill_on_drop: false }`
[INFO] [stdout] 373316f499ec0fedc8dede31d900cab8c1dcf553c9903220e96144b785372db5
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 630c0af6a928464f93f4ad040a3d96f3d55983af79ea53e54d81149fbdbebe9b
[INFO] running `Command { std: "docker" "start" "-a" "630c0af6a928464f93f4ad040a3d96f3d55983af79ea53e54d81149fbdbebe9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling sendfd-new v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "630c0af6a928464f93f4ad040a3d96f3d55983af79ea53e54d81149fbdbebe9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "630c0af6a928464f93f4ad040a3d96f3d55983af79ea53e54d81149fbdbebe9b", kill_on_drop: false }`
[INFO] [stdout] 630c0af6a928464f93f4ad040a3d96f3d55983af79ea53e54d81149fbdbebe9b
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] b86f5d68dd11a19b56544732138da4857c9e1d3d1b485c1606086cb0b031b49d
[INFO] running `Command { std: "docker" "start" "-a" "b86f5d68dd11a19b56544732138da4857c9e1d3d1b485c1606086cb0b031b49d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sendfd_new-f0b920ff1366ea50
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::datagram_works ... ok
[INFO] [stdout] test tests::sending_junk_fails ... ok
[INFO] [stdout] test tests::datagram_works_across_processes ... ok
[INFO] [stdout] test tests::stream_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sendfd-new
[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] running `Command { std: "docker" "inspect" "b86f5d68dd11a19b56544732138da4857c9e1d3d1b485c1606086cb0b031b49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86f5d68dd11a19b56544732138da4857c9e1d3d1b485c1606086cb0b031b49d", kill_on_drop: false }`
[INFO] [stdout] b86f5d68dd11a19b56544732138da4857c9e1d3d1b485c1606086cb0b031b49d