[INFO] fetching crate stopper 0.2.0...
[INFO] testing stopper-0.2.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate stopper 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate stopper 0.2.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stopper 0.2.0
[INFO] finished tweaking crates.io crate stopper 0.2.0
[INFO] tweaked toml for crates.io crate stopper 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded waker-set v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] a2f8edab3fdc0ae05f25d8b117b09885e9a7ff3cf765a7214943a6557ada4761
[INFO] running `Command { std: "docker" "start" "-a" "a2f8edab3fdc0ae05f25d8b117b09885e9a7ff3cf765a7214943a6557ada4761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2f8edab3fdc0ae05f25d8b117b09885e9a7ff3cf765a7214943a6557ada4761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2f8edab3fdc0ae05f25d8b117b09885e9a7ff3cf765a7214943a6557ada4761", kill_on_drop: false }`
[INFO] [stdout] a2f8edab3fdc0ae05f25d8b117b09885e9a7ff3cf765a7214943a6557ada4761
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12bd96516b2cd43f06fb042a11ad6ee280be4d3324d0eb191f47ff6ba7295a68
[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" "12bd96516b2cd43f06fb042a11ad6ee280be4d3324d0eb191f47ff6ba7295a68", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling waker-set v0.2.0
[INFO] [stderr]    Compiling stopper v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `Command { std: "docker" "inspect" "12bd96516b2cd43f06fb042a11ad6ee280be4d3324d0eb191f47ff6ba7295a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12bd96516b2cd43f06fb042a11ad6ee280be4d3324d0eb191f47ff6ba7295a68", kill_on_drop: false }`
[INFO] [stdout] 12bd96516b2cd43f06fb042a11ad6ee280be4d3324d0eb191f47ff6ba7295a68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e491d8b555d87f4664ad388d0821bb4b09a7989d8cedcc8339aa9ed233519b66
[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" "e491d8b555d87f4664ad388d0821bb4b09a7989d8cedcc8339aa9ed233519b66", kill_on_drop: false }`
[INFO] [stderr]    Compiling polling v2.2.0
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling stopper v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `Command { std: "docker" "inspect" "e491d8b555d87f4664ad388d0821bb4b09a7989d8cedcc8339aa9ed233519b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e491d8b555d87f4664ad388d0821bb4b09a7989d8cedcc8339aa9ed233519b66", kill_on_drop: false }`
[INFO] [stdout] e491d8b555d87f4664ad388d0821bb4b09a7989d8cedcc8339aa9ed233519b66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 6867aa0c00c31ab180639659a99f240e521489e979553fa0a375944b70ff9172
[INFO] running `Command { std: "docker" "start" "-a" "6867aa0c00c31ab180639659a99f240e521489e979553fa0a375944b70ff9172", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stopper-4b3f226d2d361810)
[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] [stderr]    Doc-tests stopper
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Stopper::is_stopped (line 57) ... ok
[INFO] [stdout] test src/lib.rs - Stopper::stop_future (line 101) ... ok
[INFO] [stdout] test src/lib.rs - Stopper::stop_stream (line 73) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6867aa0c00c31ab180639659a99f240e521489e979553fa0a375944b70ff9172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6867aa0c00c31ab180639659a99f240e521489e979553fa0a375944b70ff9172", kill_on_drop: false }`
[INFO] [stdout] 6867aa0c00c31ab180639659a99f240e521489e979553fa0a375944b70ff9172