[INFO] cloning repository https://github.com/thombles/impractical_tcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thombles/impractical_tcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthombles%2Fimpractical_tcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthombles%2Fimpractical_tcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f5aaab45dd29b11449549def936bec38a647f82
[INFO] testing thombles/impractical_tcp against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthombles%2Fimpractical_tcp" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thombles/impractical_tcp 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 git repo https://github.com/thombles/impractical_tcp
[INFO] finished tweaking git repo https://github.com/thombles/impractical_tcp
[INFO] tweaked toml for git repo https://github.com/thombles/impractical_tcp written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/thombles/impractical_tcp already has a lockfile, it will not be regenerated
[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-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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1198079dbf351fd811e7ebee7da7c60a7ed7578d95ba75f788e1d75690392550
[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" "1198079dbf351fd811e7ebee7da7c60a7ed7578d95ba75f788e1d75690392550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1198079dbf351fd811e7ebee7da7c60a7ed7578d95ba75f788e1d75690392550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1198079dbf351fd811e7ebee7da7c60a7ed7578d95ba75f788e1d75690392550", kill_on_drop: false }`
[INFO] [stdout] 1198079dbf351fd811e7ebee7da7c60a7ed7578d95ba75f788e1d75690392550
[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" "+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] 7ede3e29a6c1b8dbfd7c32ff178f0d0bfc44a9e78dc87153f7eeccaddeb90e6f
[INFO] running `Command { std: "docker" "start" "-a" "7ede3e29a6c1b8dbfd7c32ff178f0d0bfc44a9e78dc87153f7eeccaddeb90e6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling impractical_tcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `Command { std: "docker" "inspect" "7ede3e29a6c1b8dbfd7c32ff178f0d0bfc44a9e78dc87153f7eeccaddeb90e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ede3e29a6c1b8dbfd7c32ff178f0d0bfc44a9e78dc87153f7eeccaddeb90e6f", kill_on_drop: false }`
[INFO] [stdout] 7ede3e29a6c1b8dbfd7c32ff178f0d0bfc44a9e78dc87153f7eeccaddeb90e6f
[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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f47595d692bc0785f75e38b97cc1f047eb7aff955db157ca47ae5c5c67bc4558
[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" "f47595d692bc0785f75e38b97cc1f047eb7aff955db157ca47ae5c5c67bc4558", kill_on_drop: false }`
[INFO] [stderr]    Compiling impractical_tcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "f47595d692bc0785f75e38b97cc1f047eb7aff955db157ca47ae5c5c67bc4558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f47595d692bc0785f75e38b97cc1f047eb7aff955db157ca47ae5c5c67bc4558", kill_on_drop: false }`
[INFO] [stdout] f47595d692bc0785f75e38b97cc1f047eb7aff955db157ca47ae5c5c67bc4558
[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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79b45546a72ee1d9565fa016494e071272479292bd99e978611f67594554e4e4
[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" "79b45546a72ee1d9565fa016494e071272479292bd99e978611f67594554e4e4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/impractical_tcp-74ecf1bd73137bfa
[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" "79b45546a72ee1d9565fa016494e071272479292bd99e978611f67594554e4e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b45546a72ee1d9565fa016494e071272479292bd99e978611f67594554e4e4", kill_on_drop: false }`
[INFO] [stdout] 79b45546a72ee1d9565fa016494e071272479292bd99e978611f67594554e4e4