[INFO] fetching crate cancellable-io 0.1.1...
[INFO] testing cancellable-io-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate cancellable-io 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cancellable-io 0.1.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cancellable-io 0.1.1
[INFO] finished tweaking crates.io crate cancellable-io 0.1.1
[INFO] tweaked toml for crates.io crate cancellable-io 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af2d35a1015cb5af345a482992a005cb9eb3acf1852dca8e3133a0b87e3d4c80
[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" "af2d35a1015cb5af345a482992a005cb9eb3acf1852dca8e3133a0b87e3d4c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af2d35a1015cb5af345a482992a005cb9eb3acf1852dca8e3133a0b87e3d4c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af2d35a1015cb5af345a482992a005cb9eb3acf1852dca8e3133a0b87e3d4c80", kill_on_drop: false }`
[INFO] [stdout] af2d35a1015cb5af345a482992a005cb9eb3acf1852dca8e3133a0b87e3d4c80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59041e65800c5badae07f678eaf99e62342be80c58dc940bbe5f2a20df9c8a5c
[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" "59041e65800c5badae07f678eaf99e62342be80c58dc940bbe5f2a20df9c8a5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cancellable-io v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "59041e65800c5badae07f678eaf99e62342be80c58dc940bbe5f2a20df9c8a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59041e65800c5badae07f678eaf99e62342be80c58dc940bbe5f2a20df9c8a5c", kill_on_drop: false }`
[INFO] [stdout] 59041e65800c5badae07f678eaf99e62342be80c58dc940bbe5f2a20df9c8a5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ba82735cecb499c880fcf6f6e091030c911b56641f91fa307975c1f3db25991
[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" "0ba82735cecb499c880fcf6f6e091030c911b56641f91fa307975c1f3db25991", kill_on_drop: false }`
[INFO] [stderr]    Compiling cancellable-io v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "0ba82735cecb499c880fcf6f6e091030c911b56641f91fa307975c1f3db25991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ba82735cecb499c880fcf6f6e091030c911b56641f91fa307975c1f3db25991", kill_on_drop: false }`
[INFO] [stdout] 0ba82735cecb499c880fcf6f6e091030c911b56641f91fa307975c1f3db25991
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75f9bf280c9f56d70094f386ac58122db6f29b5c94b28fefb4a336c764cadede
[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" "75f9bf280c9f56d70094f386ac58122db6f29b5c94b28fefb4a336c764cadede", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cancellable_io-8f3f65d48e46361e
[INFO] [stdout] test tests::test_is_cancelled ... ok
[INFO] [stdout] test tests::test_simple_connection ... ok
[INFO] [stdout] test tests::test_udp ... ok
[INFO] [stdout] test tests::test_non_blocking ... ok
[INFO] [stderr]    Doc-tests cancellable-io
[INFO] [stdout] test tests::test_cancel_stream ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "75f9bf280c9f56d70094f386ac58122db6f29b5c94b28fefb4a336c764cadede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f9bf280c9f56d70094f386ac58122db6f29b5c94b28fefb4a336c764cadede", kill_on_drop: false }`
[INFO] [stdout] 75f9bf280c9f56d70094f386ac58122db6f29b5c94b28fefb4a336c764cadede