[INFO] fetching crate tokio-peer 0.0.0...
[INFO] testing tokio-peer-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tokio-peer 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tokio-peer 0.0.0 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 tokio-peer 0.0.0
[INFO] finished tweaking crates.io crate tokio-peer 0.0.0
[INFO] tweaked toml for crates.io crate tokio-peer 0.0.0 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a9df60cdf5dc198453e33cddde7ced809b979d8ce3e3a87c4ab8d17d3035f1ea
[INFO] running `Command { std: "docker" "start" "-a" "a9df60cdf5dc198453e33cddde7ced809b979d8ce3e3a87c4ab8d17d3035f1ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9df60cdf5dc198453e33cddde7ced809b979d8ce3e3a87c4ab8d17d3035f1ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9df60cdf5dc198453e33cddde7ced809b979d8ce3e3a87c4ab8d17d3035f1ea", kill_on_drop: false }`
[INFO] [stdout] a9df60cdf5dc198453e33cddde7ced809b979d8ce3e3a87c4ab8d17d3035f1ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 820b8f0fd889094e9161fe4141887c8dea32c227e8e412dc08d2ed5bd3e61b13
[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" "820b8f0fd889094e9161fe4141887c8dea32c227e8e412dc08d2ed5bd3e61b13", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-peer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "820b8f0fd889094e9161fe4141887c8dea32c227e8e412dc08d2ed5bd3e61b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "820b8f0fd889094e9161fe4141887c8dea32c227e8e412dc08d2ed5bd3e61b13", kill_on_drop: false }`
[INFO] [stdout] 820b8f0fd889094e9161fe4141887c8dea32c227e8e412dc08d2ed5bd3e61b13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 5840761a7d53b869ecbdd6fda09bce01ca14e98fd25181d47480e0f6df5e451c
[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" "5840761a7d53b869ecbdd6fda09bce01ca14e98fd25181d47480e0f6df5e451c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-peer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "5840761a7d53b869ecbdd6fda09bce01ca14e98fd25181d47480e0f6df5e451c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5840761a7d53b869ecbdd6fda09bce01ca14e98fd25181d47480e0f6df5e451c", kill_on_drop: false }`
[INFO] [stdout] 5840761a7d53b869ecbdd6fda09bce01ca14e98fd25181d47480e0f6df5e451c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6ba72e32470601abd08088a7529a08b0ae83d497bd1c90b122d2bcb0c43bbdee
[INFO] running `Command { std: "docker" "start" "-a" "6ba72e32470601abd08088a7529a08b0ae83d497bd1c90b122d2bcb0c43bbdee", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tokio_peer-cb70be9f229a0f82
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6ba72e32470601abd08088a7529a08b0ae83d497bd1c90b122d2bcb0c43bbdee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba72e32470601abd08088a7529a08b0ae83d497bd1c90b122d2bcb0c43bbdee", kill_on_drop: false }`
[INFO] [stdout] 6ba72e32470601abd08088a7529a08b0ae83d497bd1c90b122d2bcb0c43bbdee