[INFO] fetching crate tokio_safe_block_on 0.2.0...
[INFO] testing tokio_safe_block_on-0.2.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate tokio_safe_block_on 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tokio_safe_block_on 0.2.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio_safe_block_on 0.2.0
[INFO] finished tweaking crates.io crate tokio_safe_block_on 0.2.0
[INFO] tweaked toml for crates.io crate tokio_safe_block_on 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] e374556d96507c5a0bc3b011ce56aa404ad81ba4b10e5324e2af1412316dd90d
[INFO] running `Command { std: "docker" "start" "-a" "e374556d96507c5a0bc3b011ce56aa404ad81ba4b10e5324e2af1412316dd90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e374556d96507c5a0bc3b011ce56aa404ad81ba4b10e5324e2af1412316dd90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e374556d96507c5a0bc3b011ce56aa404ad81ba4b10e5324e2af1412316dd90d", kill_on_drop: false }`
[INFO] [stdout] e374556d96507c5a0bc3b011ce56aa404ad81ba4b10e5324e2af1412316dd90d
[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=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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] b3327d8d92979540ab691bc17747098c8683b0889586f941d4f5782637cd98bd
[INFO] running `Command { std: "docker" "start" "-a" "b3327d8d92979540ab691bc17747098c8683b0889586f941d4f5782637cd98bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio_safe_block_on v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "b3327d8d92979540ab691bc17747098c8683b0889586f941d4f5782637cd98bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3327d8d92979540ab691bc17747098c8683b0889586f941d4f5782637cd98bd", kill_on_drop: false }`
[INFO] [stdout] b3327d8d92979540ab691bc17747098c8683b0889586f941d4f5782637cd98bd
[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=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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0fb7af90e75f8b077f8935b445272dcccec131959c89e4d23d8f566b8495b37
[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" "f0fb7af90e75f8b077f8935b445272dcccec131959c89e4d23d8f566b8495b37", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling tokio_safe_block_on v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "f0fb7af90e75f8b077f8935b445272dcccec131959c89e4d23d8f566b8495b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0fb7af90e75f8b077f8935b445272dcccec131959c89e4d23d8f566b8495b37", kill_on_drop: false }`
[INFO] [stdout] f0fb7af90e75f8b077f8935b445272dcccec131959c89e4d23d8f566b8495b37
[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=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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 60340530d1324b0551cf982d7ee009c38fa33123274db04ffbb2f9addc75317a
[INFO] running `Command { std: "docker" "start" "-a" "60340530d1324b0551cf982d7ee009c38fa33123274db04ffbb2f9addc75317a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tokio_safe_block_on-1eeaed4447fe910b)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::it_should_execute_async_from_sync_context ... ok
[INFO] [stdout] test tests::it_should_timeout_timed_async_from_sync_context ... ok
[INFO] [stdout] test tests::recursive_blocks_test ... ok
[INFO] [stdout] test tests::it_should_execute_async_from_sync_context_forever ... ok
[INFO] [stdout] test tests::it_should_execute_timed_async_from_sync_context ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tokio_safe_block_on
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "60340530d1324b0551cf982d7ee009c38fa33123274db04ffbb2f9addc75317a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60340530d1324b0551cf982d7ee009c38fa33123274db04ffbb2f9addc75317a", kill_on_drop: false }`
[INFO] [stdout] 60340530d1324b0551cf982d7ee009c38fa33123274db04ffbb2f9addc75317a