[INFO] fetching crate async-port-scanner 0.1.4...
[INFO] testing async-port-scanner-0.1.4 against 1.54.0 for beta-1.55-2
[INFO] extracting crate async-port-scanner 0.1.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate async-port-scanner 0.1.4 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-port-scanner 0.1.4
[INFO] finished tweaking crates.io crate async-port-scanner 0.1.4
[INFO] tweaked toml for crates.io crate async-port-scanner 0.1.4 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.54.0" "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] 891893726cea91094c939c559625cab6e4bf8d4bd31763dd79f9368459b3bca3
[INFO] running `Command { std: "docker" "start" "-a" "891893726cea91094c939c559625cab6e4bf8d4bd31763dd79f9368459b3bca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "891893726cea91094c939c559625cab6e4bf8d4bd31763dd79f9368459b3bca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "891893726cea91094c939c559625cab6e4bf8d4bd31763dd79f9368459b3bca3", kill_on_drop: false }`
[INFO] [stdout] 891893726cea91094c939c559625cab6e4bf8d4bd31763dd79f9368459b3bca3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37bc90142043f4ad82cb1d43f77a5e145d8ad72659342acd231ce97077c2b2ad
[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" "37bc90142043f4ad82cb1d43f77a5e145d8ad72659342acd231ce97077c2b2ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.10.0
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling async-port-scanner v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.71s
[INFO] running `Command { std: "docker" "inspect" "37bc90142043f4ad82cb1d43f77a5e145d8ad72659342acd231ce97077c2b2ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37bc90142043f4ad82cb1d43f77a5e145d8ad72659342acd231ce97077c2b2ad", kill_on_drop: false }`
[INFO] [stdout] 37bc90142043f4ad82cb1d43f77a5e145d8ad72659342acd231ce97077c2b2ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 795cbb3298fc087789952a68f34f10de898b911c4e48ab6e74699370738c11f1
[INFO] running `Command { std: "docker" "start" "-a" "795cbb3298fc087789952a68f34f10de898b911c4e48ab6e74699370738c11f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-port-scanner v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `async_std::io`
[INFO] [stdout]   --> src/lib.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     use async_std::io;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.38s
[INFO] running `Command { std: "docker" "inspect" "795cbb3298fc087789952a68f34f10de898b911c4e48ab6e74699370738c11f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795cbb3298fc087789952a68f34f10de898b911c4e48ab6e74699370738c11f1", kill_on_drop: false }`
[INFO] [stdout] 795cbb3298fc087789952a68f34f10de898b911c4e48ab6e74699370738c11f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ede1dabea9c9f4a7abca048b211978f2b82286fa95088033f0dd9a0c848e770
[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" "2ede1dabea9c9f4a7abca048b211978f2b82286fa95088033f0dd9a0c848e770", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `async_std::io`
[INFO] [stderr]   --> src/lib.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |     use async_std::io;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_port_scanner-cfb99e0b58500045)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_multiple_futures ... ok
[INFO] [stdout] test tests::test_run ... ok
[INFO] [stdout] test tests::test_batched ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-port-scanner
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ede1dabea9c9f4a7abca048b211978f2b82286fa95088033f0dd9a0c848e770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ede1dabea9c9f4a7abca048b211978f2b82286fa95088033f0dd9a0c848e770", kill_on_drop: false }`
[INFO] [stdout] 2ede1dabea9c9f4a7abca048b211978f2b82286fa95088033f0dd9a0c848e770