[INFO] cloning repository https://github.com/feminstincts/serva
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/feminstincts/serva" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeminstincts%2Fserva", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeminstincts%2Fserva'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 364b1d78e3d2129ca714b5e10cc2144012000ef3
[INFO] testing feminstincts/serva against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeminstincts%2Fserva" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/feminstincts/serva on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/feminstincts/serva
[INFO] finished tweaking git repo https://github.com/feminstincts/serva
[INFO] tweaked toml for git repo https://github.com/feminstincts/serva written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/feminstincts/serva already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49f4aa9a59a1174b8850139930b41bb6876e9051cd2b9b48745917fa1dc72a2c
[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" "49f4aa9a59a1174b8850139930b41bb6876e9051cd2b9b48745917fa1dc72a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49f4aa9a59a1174b8850139930b41bb6876e9051cd2b9b48745917fa1dc72a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f4aa9a59a1174b8850139930b41bb6876e9051cd2b9b48745917fa1dc72a2c", kill_on_drop: false }`
[INFO] [stdout] 49f4aa9a59a1174b8850139930b41bb6876e9051cd2b9b48745917fa1dc72a2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03187adb602f4d9c287937da662a9050c695d0e604b42636393b5992d6e40824
[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" "03187adb602f4d9c287937da662a9050c695d0e604b42636393b5992d6e40824", kill_on_drop: false }`
[INFO] [stderr]    Compiling serva v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `(dyn std::ops::FnOnce() + 'static)` cannot be sent between threads safely
[INFO] [stdout]    --> src/lib.rs:52:22
[INFO] [stdout]     |
[INFO] [stdout] 52  |         let thread = thread::spawn(move || {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^ `(dyn std::ops::FnOnce() + 'static)` cannot be sent between threads safely
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::marker::Send` is not implemented for `(dyn std::ops::FnOnce() + 'static)`
[INFO] [stdout]     = note: required because of the requirements on the impl of `std::marker::Send` for `std::ptr::Unique<(dyn std::ops::FnOnce() + 'static)>`
[INFO] [stdout]     = note: required because it appears within the type `std::boxed::Box<(dyn std::ops::FnOnce() + 'static)>`
[INFO] [stdout]     = note: required because of the requirements on the impl of `std::marker::Send` for `std::sync::mpsc::Receiver<std::boxed::Box<(dyn std::ops::FnOnce() + 'static)>>`
[INFO] [stdout]     = note: required because of the requirements on the impl of `std::marker::Send` for `std::sync::Mutex<std::sync::mpsc::Receiver<std::boxed::Box<(dyn std::ops::FnOnce() + 'static)>>>`
[INFO] [stdout]     = note: required because of the requirements on the impl of `std::marker::Send` for `std::sync::Arc<std::sync::Mutex<std::sync::mpsc::Receiver<std::boxed::Box<(dyn std::ops::FnOnce() + 'static)>>>>`
[INFO] [stdout]     = note: required because it appears within the type `[closure@src/lib.rs:52:36: 58:10 receiver:std::sync::Arc<std::sync::Mutex<std::sync::mpsc::Receiver<std::boxed::Box<(dyn std::ops::FnOnce() + 'static)>>>>, id:usize]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serva`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "03187adb602f4d9c287937da662a9050c695d0e604b42636393b5992d6e40824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03187adb602f4d9c287937da662a9050c695d0e604b42636393b5992d6e40824", kill_on_drop: false }`
[INFO] [stdout] 03187adb602f4d9c287937da662a9050c695d0e604b42636393b5992d6e40824
