[INFO] cloning repository https://github.com/genkgo/gworkerd [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/genkgo/gworkerd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenkgo%2Fgworkerd", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenkgo%2Fgworkerd'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b6fbf5e9c5e29c91eb2bdb08f8ab1a716f687245 [INFO] checking genkgo/gworkerd against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenkgo%2Fgworkerd" "/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/genkgo/gworkerd on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/genkgo/gworkerd [INFO] finished tweaking git repo https://github.com/genkgo/gworkerd [INFO] tweaked toml for git repo https://github.com/genkgo/gworkerd written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/genkgo/gworkerd already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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 [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.1.12 [INFO] [stderr] Downloaded num_cpus v0.2.13 [INFO] [stderr] Downloaded bytes v0.2.11 [INFO] [stderr] Downloaded flexi_logger v0.3.3 [INFO] [stderr] Downloaded docopt v1.1.0 [INFO] [stderr] Downloaded serde_derive v1.0.118 [INFO] [stderr] Downloaded conduit-mime-types v0.7.3 [INFO] [stderr] Downloaded error v0.1.9 [INFO] [stderr] Downloaded bitflags v0.3.3 [INFO] [stderr] Downloaded hyper v0.7.2 [INFO] [stderr] Downloaded hyper v0.8.1 [INFO] [stderr] Downloaded url v0.5.10 [INFO] [stderr] Downloaded router v0.1.1 [INFO] [stderr] Downloaded unicode-segmentation v0.1.3 [INFO] [stderr] Downloaded unicode-bidi v0.2.6 [INFO] [stderr] Downloaded uuid v0.2.3 [INFO] [stderr] Downloaded iron v0.3.1 [INFO] [stderr] Downloaded mio v0.3.7 [INFO] [stderr] Downloaded serde v0.6.15 [INFO] [stderr] Downloaded mime v0.1.3 [INFO] [stderr] Downloaded byteorder v0.4.2 [INFO] [stderr] Downloaded nix v0.3.10 [INFO] [stderr] Downloaded slab v0.1.3 [INFO] [stderr] Downloaded lifeguard v0.3.0 [INFO] [stderr] Downloaded iron v0.2.6 [INFO] [stderr] warning: parsed version requirement `0.2*` is no longer valid [INFO] [stderr] [INFO] [stderr] Previous versions of Cargo accepted this malformed requirement, [INFO] [stderr] but it is being deprecated. This was found when parsing the manifest [INFO] [stderr] of iron 0.2.6, and the correct version requirement is `0.2.*`. [INFO] [stderr] [INFO] [stderr] This will soon become a hard error, so it's either recommended to [INFO] [stderr] update to a fixed version or contact the upstream maintainer about [INFO] [stderr] this warning. [INFO] [stderr] [INFO] [stderr] Downloaded stomp v0.11.0 [INFO] [stderr] Downloaded mysql v1.2.1 [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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8bc560d7fc0ae12d9bc7c5fe72a426ee08ae9211aedff407835f138d374e50fe [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" "8bc560d7fc0ae12d9bc7c5fe72a426ee08ae9211aedff407835f138d374e50fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8bc560d7fc0ae12d9bc7c5fe72a426ee08ae9211aedff407835f138d374e50fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bc560d7fc0ae12d9bc7c5fe72a426ee08ae9211aedff407835f138d374e50fe", kill_on_drop: false }` [INFO] [stdout] 8bc560d7fc0ae12d9bc7c5fe72a426ee08ae9211aedff407835f138d374e50fe [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=forbid" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ae56a7799fed9c7843dcd3298b2110005ea386f364dcb7f8d98ff38b064b9f73 [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" "ae56a7799fed9c7843dcd3298b2110005ea386f364dcb7f8d98ff38b064b9f73", kill_on_drop: false }` [INFO] [stderr] warning: parsed version requirement `0.2*` is no longer valid [INFO] [stderr] [INFO] [stderr] Previous versions of Cargo accepted this malformed requirement, [INFO] [stderr] but it is being deprecated. This was found when parsing the manifest [INFO] [stderr] of iron 0.2.6, and the correct version requirement is `0.2.*`. [INFO] [stderr] [INFO] [stderr] This will soon become a hard error, so it's either recommended to [INFO] [stderr] update to a fixed version or contact the upstream maintainer about [INFO] [stderr] this warning. [INFO] [stderr] [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking traitobject v0.0.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking lazy_static v0.1.16 [INFO] [stderr] Checking libc v0.1.12 [INFO] [stderr] Checking bitflags v0.1.1 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking bytes v0.2.11 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking strsim v0.9.3 [INFO] [stderr] Checking byteorder v0.4.2 [INFO] [stderr] Checking lifeguard v0.3.0 [INFO] [stderr] Compiling openssl-sys v0.7.17 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking conduit-mime-types v0.7.3 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking unicode-bidi v0.2.6 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking error v0.1.9 [INFO] [stderr] Checking nix v0.3.10 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num_cpus v0.2.13 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking unix_socket v0.5.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Compiling phf v0.7.24 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking hpack v0.2.0 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking mio v0.3.7 [INFO] [stderr] Compiling openssl-sys-extras v0.7.14 [INFO] [stderr] Compiling openssl v0.7.14 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking solicit v0.4.4 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking uuid v0.2.3 [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 { [INFO] [stdout] | ---- required by this bound in `Notify` [INFO] [stdout] ... [INFO] [stdout] 57 | impl fmt::Debug for Notify { [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 fmt::Debug for Notify { [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, 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 { [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, 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 { [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, 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 { [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, token: Token) where Self: Sized { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: consider relaxing the implicit `Sized` restriction [INFO] [stdout] | [INFO] [stdout] 37 | pub struct EventLoop { [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, 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 { [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, 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 { [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, 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 { [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, 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 { [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) { [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 { [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) where Self: Sized { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: consider relaxing the implicit `Sized` restriction [INFO] [stdout] | [INFO] [stdout] 37 | pub struct EventLoop { [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 { [INFO] [stdout] | - required by this bound in `NonBlock` [INFO] [stdout] ... [INFO] [stdout] 67 | fn into_non_block(self) -> Result>; [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` [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 { [INFO] [stdout] | ^ this could be changed to `T: ?Sized`... [INFO] [stdout] 8 | inner: T, [INFO] [stdout] | - ...if indirection was used here: `Box` [INFO] [stdout] help: consider further restricting `Self` [INFO] [stdout] | [INFO] [stdout] 67 | fn into_non_block(self) -> Result> 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 { [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 fmt::Debug for Notify { [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" "ae56a7799fed9c7843dcd3298b2110005ea386f364dcb7f8d98ff38b064b9f73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae56a7799fed9c7843dcd3298b2110005ea386f364dcb7f8d98ff38b064b9f73", kill_on_drop: false }` [INFO] [stdout] ae56a7799fed9c7843dcd3298b2110005ea386f364dcb7f8d98ff38b064b9f73