[INFO] cloning repository https://github.com/traxys/MaybeServer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/traxys/MaybeServer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftraxys%2FMaybeServer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftraxys%2FMaybeServer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 201565766c98092009f26210ccdc955e37efc6e3
[INFO] testing traxys/MaybeServer against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftraxys%2FMaybeServer" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/traxys/MaybeServer 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/traxys/MaybeServer
[INFO] finished tweaking git repo https://github.com/traxys/MaybeServer
[INFO] tweaked toml for git repo https://github.com/traxys/MaybeServer written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/traxys/MaybeServer 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] de23ebd4a5549e684e311daae9a900297e8a0eed97856fc940eb51796dd98114
[INFO] running `Command { std: "docker" "start" "-a" "de23ebd4a5549e684e311daae9a900297e8a0eed97856fc940eb51796dd98114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de23ebd4a5549e684e311daae9a900297e8a0eed97856fc940eb51796dd98114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de23ebd4a5549e684e311daae9a900297e8a0eed97856fc940eb51796dd98114", kill_on_drop: false }`
[INFO] [stdout] de23ebd4a5549e684e311daae9a900297e8a0eed97856fc940eb51796dd98114
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] bbbab9bb1cfb9044b3644cbe4bbe611e06b3045a693607ecc271de520733cb22
[INFO] running `Command { std: "docker" "start" "-a" "bbbab9bb1cfb9044b3644cbe4bbe611e06b3045a693607ecc271de520733cb22", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "bbbab9bb1cfb9044b3644cbe4bbe611e06b3045a693607ecc271de520733cb22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbbab9bb1cfb9044b3644cbe4bbe611e06b3045a693607ecc271de520733cb22", kill_on_drop: false }`
[INFO] [stdout] bbbab9bb1cfb9044b3644cbe4bbe611e06b3045a693607ecc271de520733cb22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 62b238593342b761cfa15ad11bfca056d1c7d13eb0f7428dc59944a4acd8eb5b
[INFO] running `Command { std: "docker" "start" "-a" "62b238593342b761cfa15ad11bfca056d1c7d13eb0f7428dc59944a4acd8eb5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "62b238593342b761cfa15ad11bfca056d1c7d13eb0f7428dc59944a4acd8eb5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b238593342b761cfa15ad11bfca056d1c7d13eb0f7428dc59944a4acd8eb5b", kill_on_drop: false }`
[INFO] [stdout] 62b238593342b761cfa15ad11bfca056d1c7d13eb0f7428dc59944a4acd8eb5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 3aea1210aca9e13c4296c4803e6a98d6631720754cc8bfe8dfb5f8759fb7f311
[INFO] running `Command { std: "docker" "start" "-a" "3aea1210aca9e13c4296c4803e6a98d6631720754cc8bfe8dfb5f8759fb7f311", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/maybe_server-814998add44765f7
[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" "3aea1210aca9e13c4296c4803e6a98d6631720754cc8bfe8dfb5f8759fb7f311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aea1210aca9e13c4296c4803e6a98d6631720754cc8bfe8dfb5f8759fb7f311", kill_on_drop: false }`
[INFO] [stdout] 3aea1210aca9e13c4296c4803e6a98d6631720754cc8bfe8dfb5f8759fb7f311