[INFO] fetching crate tars-net 0.1.0...
[INFO] testing tars-net-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tars-net 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate tars-net 0.1.0 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 tars-net 0.1.0
[INFO] finished tweaking crates.io crate tars-net 0.1.0
[INFO] tweaked toml for crates.io crate tars-net 0.1.0 written to /workspace/builds/worker-11/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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 4ff9bd471f4b0554504c64556029679ab5497160486b72e655fdb52478565f4f
[INFO] running `Command { std: "docker" "start" "-a" "4ff9bd471f4b0554504c64556029679ab5497160486b72e655fdb52478565f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ff9bd471f4b0554504c64556029679ab5497160486b72e655fdb52478565f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ff9bd471f4b0554504c64556029679ab5497160486b72e655fdb52478565f4f", kill_on_drop: false }`
[INFO] [stdout] 4ff9bd471f4b0554504c64556029679ab5497160486b72e655fdb52478565f4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] f1f70ebd2dbedf4b9d1b68b1bef7889021ce5b092067faead333cf0629faa9b7
[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" "f1f70ebd2dbedf4b9d1b68b1bef7889021ce5b092067faead333cf0629faa9b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling tars-net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "f1f70ebd2dbedf4b9d1b68b1bef7889021ce5b092067faead333cf0629faa9b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1f70ebd2dbedf4b9d1b68b1bef7889021ce5b092067faead333cf0629faa9b7", kill_on_drop: false }`
[INFO] [stdout] f1f70ebd2dbedf4b9d1b68b1bef7889021ce5b092067faead333cf0629faa9b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] ba90b3d8e0a8297af4e8856b2ec36c4bb38efa2281e204bc285fcc74fa226e89
[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" "ba90b3d8e0a8297af4e8856b2ec36c4bb38efa2281e204bc285fcc74fa226e89", kill_on_drop: false }`
[INFO] [stderr]    Compiling tars-net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "ba90b3d8e0a8297af4e8856b2ec36c4bb38efa2281e204bc285fcc74fa226e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba90b3d8e0a8297af4e8856b2ec36c4bb38efa2281e204bc285fcc74fa226e89", kill_on_drop: false }`
[INFO] [stdout] ba90b3d8e0a8297af4e8856b2ec36c4bb38efa2281e204bc285fcc74fa226e89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 4cf7c4a0138433e1b46506460ce1d06e80bd5625b7df7cc6bcd84e5cd2bd6da3
[INFO] running `Command { std: "docker" "start" "-a" "4cf7c4a0138433e1b46506460ce1d06e80bd5625b7df7cc6bcd84e5cd2bd6da3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tars_net-2a79cad9af26a9de
[INFO] [stderr]    Doc-tests tars-net
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "4cf7c4a0138433e1b46506460ce1d06e80bd5625b7df7cc6bcd84e5cd2bd6da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cf7c4a0138433e1b46506460ce1d06e80bd5625b7df7cc6bcd84e5cd2bd6da3", kill_on_drop: false }`
[INFO] [stdout] 4cf7c4a0138433e1b46506460ce1d06e80bd5625b7df7cc6bcd84e5cd2bd6da3