[INFO] fetching crate discotech 0.0.3...
[INFO] testing discotech-0.0.3 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate discotech 0.0.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate discotech 0.0.3 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate discotech 0.0.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate discotech 0.0.3
[INFO] tweaked toml for crates.io crate discotech 0.0.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded discotech_zookeeper v0.1.0
[INFO] [stderr]   Downloaded bytes v0.2.11
[INFO] [stderr]   Downloaded nix v0.3.10
[INFO] [stderr]   Downloaded mio v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15b3f76a4640b3893c4d66d040269fb1695efa762d5df531bdd365d2f628b611
[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" "15b3f76a4640b3893c4d66d040269fb1695efa762d5df531bdd365d2f628b611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15b3f76a4640b3893c4d66d040269fb1695efa762d5df531bdd365d2f628b611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b3f76a4640b3893c4d66d040269fb1695efa762d5df531bdd365d2f628b611", kill_on_drop: false }`
[INFO] [stdout] 15b3f76a4640b3893c4d66d040269fb1695efa762d5df531bdd365d2f628b611
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8edd7a2d579ea6464e3bea5d8cd713e6f559f9808abe8171793e5e1028fedcf8
[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" "8edd7a2d579ea6464e3bea5d8cd713e6f559f9808abe8171793e5e1028fedcf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling bytes v0.2.11
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling toml v0.1.30
[INFO] [stderr]    Compiling enum_primitive v0.0.2
[INFO] [stderr]    Compiling nix v0.3.10
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling log4rs v0.3.3
[INFO] [stderr]    Compiling mio v0.3.7
[INFO] [stdout] error[E0277]: `M` cannot be sent between threads safely
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mio-0.3.7/src/notify.rs:57:24
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Notify<M: Send> {
[INFO] [stdout]    |                      ---- required by this bound in `Notify`
[INFO] [stdout] ...
[INFO] [stdout] 57 | impl<M> fmt::Debug for Notify<M> {
[INFO] [stdout]    |                        ^^^^^^^^^ `M` cannot be sent between threads safely
[INFO] [stdout]    |
[INFO] [stdout] help: consider restricting type parameter `M`
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl<M: Send> fmt::Debug for Notify<M> {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mio-0.3.7/src/handler.rs:8:40
[INFO] [stdout]    |
[INFO] [stdout] 8  |     fn readable(&mut self, event_loop: &mut EventLoop<Self>, token: Token, hint: ReadHint) {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mio-0.3.7/src/event_loop.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct EventLoop<H: Handler> {
[INFO] [stdout]    |                      - required by this bound in `EventLoop`
[INFO] [stdout]    |
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 8  |     fn readable(&mut self, event_loop: &mut EventLoop<Self>, token: Token, hint: ReadHint) where Self: Sized {
[INFO] [stdout]    |                                                                                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider relaxing the implicit `Sized` restriction
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct EventLoop<H: Handler + ?Sized> {
[INFO] [stdout]    |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mio-0.3.7/src/handler.rs:11:40
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn writable(&mut self, event_loop: &mut EventLoop<Self>, token: Token) {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mio-0.3.7/src/event_loop.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct EventLoop<H: Handler> {
[INFO] [stdout]    |                      - required by this bound in `EventLoop`
[INFO] [stdout]    |
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn writable(&mut self, event_loop: &mut EventLoop<Self>, token: Token) where Self: Sized {
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider relaxing the implicit `Sized` restriction
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct EventLoop<H: Handler + ?Sized> {
[INFO] [stdout]    |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mio-0.3.7/src/handler.rs:14:38
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn notify(&mut self, event_loop: &mut EventLoop<Self>, msg: Self::Message) {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mio-0.3.7/src/event_loop.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct EventLoop<H: Handler> {
[INFO] [stdout]    |                      - required by this bound in `EventLoop`
[INFO] [stdout]    |
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn notify(&mut self, event_loop: &mut EventLoop<Self>, msg: Self::Message) where Self: Sized {
[INFO] [stdout]    |                                                                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider relaxing the implicit `Sized` restriction
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct EventLoop<H: Handler + ?Sized> {
[INFO] [stdout]    |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mio-0.3.7/src/handler.rs:17:39
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn timeout(&mut self, event_loop: &mut EventLoop<Self>, timeout: Self::Timeout) {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mio-0.3.7/src/event_loop.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct EventLoop<H: Handler> {
[INFO] [stdout]    |                      - required by this bound in `EventLoop`
[INFO] [stdout]    |
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn timeout(&mut self, event_loop: &mut EventLoop<Self>, timeout: Self::Timeout) where Self: Sized {
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider relaxing the implicit `Sized` restriction
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct EventLoop<H: Handler + ?Sized> {
[INFO] [stdout]    |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mio-0.3.7/src/handler.rs:20:43
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn interrupted(&mut self, event_loop: &mut EventLoop<Self>) {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mio-0.3.7/src/event_loop.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct EventLoop<H: Handler> {
[INFO] [stdout]    |                      - required by this bound in `EventLoop`
[INFO] [stdout]    |
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn interrupted(&mut self, event_loop: &mut EventLoop<Self>) where Self: Sized {
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider relaxing the implicit `Sized` restriction
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct EventLoop<H: Handler + ?Sized> {
[INFO] [stdout]    |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mio-0.3.7/src/nonblock.rs:67:32
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct NonBlock<T> {
[INFO] [stdout]    |                     - required by this bound in `NonBlock`
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn into_non_block(self) -> Result<NonBlock<Self>>;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout] help: you could relax the implicit `Sized` bound on `T` if it were used through indirection like `&T` or `Box<T>`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mio-0.3.7/src/nonblock.rs:7:21
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct NonBlock<T> {
[INFO] [stdout]    |                     ^ this could be changed to `T: ?Sized`...
[INFO] [stdout] 8  |     inner: T,
[INFO] [stdout]    |            - ...if indirection was used here: `Box<T>`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn into_non_block(self) -> Result<NonBlock<Self>> where Self: Sized;
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `M` cannot be sent between threads safely
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mio-0.3.7/src/notify.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Notify<M: Send> {
[INFO] [stdout]    |                      ---- required by this bound in `Notify`
[INFO] [stdout] ...
[INFO] [stdout] 58 |     fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |            ^^^^^ `M` cannot be sent between threads safely
[INFO] [stdout]    |
[INFO] [stdout] help: consider restricting type parameter `M`
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl<M: Send> fmt::Debug for Notify<M> {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mio`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8edd7a2d579ea6464e3bea5d8cd713e6f559f9808abe8171793e5e1028fedcf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8edd7a2d579ea6464e3bea5d8cd713e6f559f9808abe8171793e5e1028fedcf8", kill_on_drop: false }`
[INFO] [stdout] 8edd7a2d579ea6464e3bea5d8cd713e6f559f9808abe8171793e5e1028fedcf8
