[INFO] cloning repository https://github.com/jasonmccampbell/spraycc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jasonmccampbell/spraycc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjasonmccampbell%2Fspraycc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjasonmccampbell%2Fspraycc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba64d1bb5665ac4ae9c39b483d92964180ee283c
[INFO] testing jasonmccampbell/spraycc against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjasonmccampbell%2Fspraycc" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jasonmccampbell/spraycc 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/jasonmccampbell/spraycc
[INFO] removed path dependency ubyte from git repo https://github.com/jasonmccampbell/spraycc
[INFO] finished tweaking git repo https://github.com/jasonmccampbell/spraycc
[INFO] tweaked toml for git repo https://github.com/jasonmccampbell/spraycc written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/jasonmccampbell/spraycc 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] [stderr] warning: dependency (ubyte) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[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] warning: dependency (ubyte) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 795fc8be14c5076684ca41ca7688d6a12658c5bede559833badf074afed3a968
[INFO] running `Command { std: "docker" "start" "-a" "795fc8be14c5076684ca41ca7688d6a12658c5bede559833badf074afed3a968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "795fc8be14c5076684ca41ca7688d6a12658c5bede559833badf074afed3a968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795fc8be14c5076684ca41ca7688d6a12658c5bede559833badf074afed3a968", kill_on_drop: false }`
[INFO] [stdout] 795fc8be14c5076684ca41ca7688d6a12658c5bede559833badf074afed3a968
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 34f7994f4438df0c7100b8771556b67ecec026eb566365e9285875a7e673399e
[INFO] running `Command { std: "docker" "start" "-a" "34f7994f4438df0c7100b8771556b67ecec026eb566365e9285875a7e673399e", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (ubyte) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling smallvec v1.6.0
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.1
[INFO] [stderr]    Compiling c_linked_list v1.1.1
[INFO] [stderr]    Compiling ubyte v0.10.1
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v0.3.6
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling get_if_addrs v0.5.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling procfs v0.9.1
[INFO] [stderr]    Compiling simple-process-stats v0.2.1
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling spraycc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0368]: binary assignment operation `+=` cannot be applied to type `ByteUnit`
[INFO] [stdout]    --> src/server.rs:434:13
[INFO] [stdout]     |
[INFO] [stdout] 434 |             server_state.total_bytes += size;
[INFO] [stdout]     |             ------------------------^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             cannot use `+=` on type `ByteUnit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0368]: binary assignment operation `+=` cannot be applied to type `ByteUnit`
[INFO] [stdout]    --> src/server.rs:435:13
[INFO] [stdout]     |
[INFO] [stdout] 435 |             server_state.bytes_this_period += size;
[INFO] [stdout]     |             ------------------------------^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             cannot use `+=` on type `ByteUnit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0368`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spraycc`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "34f7994f4438df0c7100b8771556b67ecec026eb566365e9285875a7e673399e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34f7994f4438df0c7100b8771556b67ecec026eb566365e9285875a7e673399e", kill_on_drop: false }`
[INFO] [stdout] 34f7994f4438df0c7100b8771556b67ecec026eb566365e9285875a7e673399e