[INFO] fetching crate futures-mockstream 0.1.2...
[INFO] testing futures-mockstream-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate futures-mockstream 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate futures-mockstream 0.1.2 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 futures-mockstream 0.1.2
[INFO] finished tweaking crates.io crate futures-mockstream 0.1.2
[INFO] tweaked toml for crates.io crate futures-mockstream 0.1.2 written to /workspace/builds/worker-6/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-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 281d5721754aa8197ba0aa2ce9b235ec9418a85251b4e11041a85a0b1e1f7daf
[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" "281d5721754aa8197ba0aa2ce9b235ec9418a85251b4e11041a85a0b1e1f7daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "281d5721754aa8197ba0aa2ce9b235ec9418a85251b4e11041a85a0b1e1f7daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "281d5721754aa8197ba0aa2ce9b235ec9418a85251b4e11041a85a0b1e1f7daf", kill_on_drop: false }`
[INFO] [stdout] 281d5721754aa8197ba0aa2ce9b235ec9418a85251b4e11041a85a0b1e1f7daf
[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: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] 97f794f532b9a606c9f5abb9165dfed369f4b61af7916c2728548d337d5ffdaa
[INFO] running `Command { std: "docker" "start" "-a" "97f794f532b9a606c9f5abb9165dfed369f4b61af7916c2728548d337d5ffdaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling futures-mockstream v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "97f794f532b9a606c9f5abb9165dfed369f4b61af7916c2728548d337d5ffdaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f794f532b9a606c9f5abb9165dfed369f4b61af7916c2728548d337d5ffdaa", kill_on_drop: false }`
[INFO] [stdout] 97f794f532b9a606c9f5abb9165dfed369f4b61af7916c2728548d337d5ffdaa
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ac636e94b2ce4fd7710915e936b4bcd8a8775b8524662bcfa24a466ce8b6a67
[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" "3ac636e94b2ce4fd7710915e936b4bcd8a8775b8524662bcfa24a466ce8b6a67", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling smol v0.1.18
[INFO] [stderr]    Compiling futures-mockstream v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.81s
[INFO] running `Command { std: "docker" "inspect" "3ac636e94b2ce4fd7710915e936b4bcd8a8775b8524662bcfa24a466ce8b6a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac636e94b2ce4fd7710915e936b4bcd8a8775b8524662bcfa24a466ce8b6a67", kill_on_drop: false }`
[INFO] [stdout] 3ac636e94b2ce4fd7710915e936b4bcd8a8775b8524662bcfa24a466ce8b6a67
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c790c65e5d64a0ad6875d285d18aee3cd5164e3f3249babda47e0ee128e0378
[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" "7c790c65e5d64a0ad6875d285d18aee3cd5164e3f3249babda47e0ee128e0378", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/futures_mockstream-c410d0b396a31e52
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::async_write ... ok
[INFO] [stdout] test tests::async_read ... ok
[INFO] [stdout] test tests::async_read_sized ... ok
[INFO] [stdout] test tests::async_write_sized ... ok
[INFO] [stdout] test tests::async_stream_none ... ok
[INFO] [stderr]    Doc-tests futures-mockstream
[INFO] [stdout] test tests::async_stream_sized ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - MockStream::from (line 42) ... ok
[INFO] [stdout] test src/lib.rs - MockStream (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c790c65e5d64a0ad6875d285d18aee3cd5164e3f3249babda47e0ee128e0378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c790c65e5d64a0ad6875d285d18aee3cd5164e3f3249babda47e0ee128e0378", kill_on_drop: false }`
[INFO] [stdout] 7c790c65e5d64a0ad6875d285d18aee3cd5164e3f3249babda47e0ee128e0378