[INFO] fetching crate async-dup 1.2.2...
[INFO] testing async-dup-1.2.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate async-dup 1.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate async-dup 1.2.2 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 async-dup 1.2.2
[INFO] finished tweaking crates.io crate async-dup 1.2.2
[INFO] tweaked toml for crates.io crate async-dup 1.2.2 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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35e32c2e7f3afae81303f2a077b76467c8c275860c4a31d77986b0f1fb41a754
[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" "35e32c2e7f3afae81303f2a077b76467c8c275860c4a31d77986b0f1fb41a754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35e32c2e7f3afae81303f2a077b76467c8c275860c4a31d77986b0f1fb41a754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e32c2e7f3afae81303f2a077b76467c8c275860c4a31d77986b0f1fb41a754", kill_on_drop: false }`
[INFO] [stdout] 35e32c2e7f3afae81303f2a077b76467c8c275860c4a31d77986b0f1fb41a754
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] 4fd343707e5bc8d015e07c9ccffc387467efc1d51840a8bff2ce9f51721c7a2b
[INFO] running `Command { std: "docker" "start" "-a" "4fd343707e5bc8d015e07c9ccffc387467efc1d51840a8bff2ce9f51721c7a2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-mutex v1.1.5
[INFO] [stderr]    Compiling async-dup v1.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "4fd343707e5bc8d015e07c9ccffc387467efc1d51840a8bff2ce9f51721c7a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd343707e5bc8d015e07c9ccffc387467efc1d51840a8bff2ce9f51721c7a2b", kill_on_drop: false }`
[INFO] [stdout] 4fd343707e5bc8d015e07c9ccffc387467efc1d51840a8bff2ce9f51721c7a2b
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84b2c2374dc44a16c8d9ad47e159f8ece5beb83340433b8cca51d2ed7276da4d
[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" "84b2c2374dc44a16c8d9ad47e159f8ece5beb83340433b8cca51d2ed7276da4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking v1.0.6
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling futures-lite v0.1.11
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling blocking v0.4.7
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling smol v0.1.18
[INFO] [stderr]    Compiling async-dup v1.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.13s
[INFO] running `Command { std: "docker" "inspect" "84b2c2374dc44a16c8d9ad47e159f8ece5beb83340433b8cca51d2ed7276da4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84b2c2374dc44a16c8d9ad47e159f8ece5beb83340433b8cca51d2ed7276da4d", kill_on_drop: false }`
[INFO] [stdout] 84b2c2374dc44a16c8d9ad47e159f8ece5beb83340433b8cca51d2ed7276da4d
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e56cf2f104da72d04202a1f93c9837e051714be64773db1f1a8d4430d15038d8
[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" "e56cf2f104da72d04202a1f93c9837e051714be64773db1f1a8d4430d15038d8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/async_dup-723fbde83310bf28
[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] [stderr]    Doc-tests async-dup
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - Mutex<T>::into_inner (line 286) ... ok
[INFO] [stdout] test src/lib.rs - Mutex<T>::try_lock (line 265) ... ok
[INFO] [stdout] test src/lib.rs - Mutex<T>::get_mut (line 303) ... ok
[INFO] [stdout] test src/lib.rs - Mutex<T>::new (line 230) ... ok
[INFO] [stdout] test src/lib.rs - Mutex<T>::lock (line 245) ... ok
[INFO] [stdout] test src/lib.rs - Arc<T>::new (line 77) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e56cf2f104da72d04202a1f93c9837e051714be64773db1f1a8d4430d15038d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e56cf2f104da72d04202a1f93c9837e051714be64773db1f1a8d4430d15038d8", kill_on_drop: false }`
[INFO] [stdout] e56cf2f104da72d04202a1f93c9837e051714be64773db1f1a8d4430d15038d8