[INFO] fetching crate not-io 0.1.0-alpha...
[INFO] testing not-io-0.1.0-alpha against 1.49.0 for beta-1.50-1
[INFO] extracting crate not-io 0.1.0-alpha into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate not-io 0.1.0-alpha 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 not-io 0.1.0-alpha
[INFO] finished tweaking crates.io crate not-io 0.1.0-alpha
[INFO] tweaked toml for crates.io crate not-io 0.1.0-alpha written to /workspace/builds/worker-2/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-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" "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] 76050c891db1e669ce5e14a955a6bd38f9f140bf8904911e1a0108bd8321908b
[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" "76050c891db1e669ce5e14a955a6bd38f9f140bf8904911e1a0108bd8321908b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76050c891db1e669ce5e14a955a6bd38f9f140bf8904911e1a0108bd8321908b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76050c891db1e669ce5e14a955a6bd38f9f140bf8904911e1a0108bd8321908b", kill_on_drop: false }`
[INFO] [stdout] 76050c891db1e669ce5e14a955a6bd38f9f140bf8904911e1a0108bd8321908b
[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" "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] 867a72777f4d9a195ef39272c6360c6d54f1ede2de961d86f9608d09cb567ee7
[INFO] running `Command { std: "docker" "start" "-a" "867a72777f4d9a195ef39272c6360c6d54f1ede2de961d86f9608d09cb567ee7", kill_on_drop: false }`
[INFO] [stderr]    Compiling not-io v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "867a72777f4d9a195ef39272c6360c6d54f1ede2de961d86f9608d09cb567ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "867a72777f4d9a195ef39272c6360c6d54f1ede2de961d86f9608d09cb567ee7", kill_on_drop: false }`
[INFO] [stdout] 867a72777f4d9a195ef39272c6360c6d54f1ede2de961d86f9608d09cb567ee7
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2ad27831d947edf1af7b195aa59ad7caf9f9298abd942673dd22d2821f4297b6
[INFO] running `Command { std: "docker" "start" "-a" "2ad27831d947edf1af7b195aa59ad7caf9f9298abd942673dd22d2821f4297b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling not-io v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "2ad27831d947edf1af7b195aa59ad7caf9f9298abd942673dd22d2821f4297b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ad27831d947edf1af7b195aa59ad7caf9f9298abd942673dd22d2821f4297b6", kill_on_drop: false }`
[INFO] [stdout] 2ad27831d947edf1af7b195aa59ad7caf9f9298abd942673dd22d2821f4297b6
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 2aba001e4efb533a4c9120012e260d8418c66580a67523853e39df56834e77dc
[INFO] running `Command { std: "docker" "start" "-a" "2aba001e4efb533a4c9120012e260d8418c66580a67523853e39df56834e77dc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/not_io-ddbd18798a171791
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests not-io
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/lib.rs - (line 65) ... ok
[INFO] [stdout] test src/lib.rs - (line 43) ... 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" "2aba001e4efb533a4c9120012e260d8418c66580a67523853e39df56834e77dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aba001e4efb533a4c9120012e260d8418c66580a67523853e39df56834e77dc", kill_on_drop: false }`
[INFO] [stdout] 2aba001e4efb533a4c9120012e260d8418c66580a67523853e39df56834e77dc