[INFO] fetching crate connected_socket 0.0.6...
[INFO] checking connected_socket-0.0.6 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate connected_socket 0.0.6 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate connected_socket 0.0.6 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate connected_socket 0.0.6
[INFO] finished tweaking crates.io crate connected_socket 0.0.6
[INFO] tweaked toml for crates.io crate connected_socket 0.0.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages
[INFO] [stderr]       Adding byteorder v0.3.13 (latest: v1.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder v0.3.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f1eeb0b7123078dd49ada78f9afc07753f76327f317cc8ba6d5760ed758155f
[INFO] running `Command { std: "docker" "start" "-a" "2f1eeb0b7123078dd49ada78f9afc07753f76327f317cc8ba6d5760ed758155f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f1eeb0b7123078dd49ada78f9afc07753f76327f317cc8ba6d5760ed758155f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1eeb0b7123078dd49ada78f9afc07753f76327f317cc8ba6d5760ed758155f", kill_on_drop: false }`
[INFO] [stdout] 2f1eeb0b7123078dd49ada78f9afc07753f76327f317cc8ba6d5760ed758155f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32d4134f8e1d008c2803d31219a43a6d78c7b7b3aeea74355071dfc6344c1cc4
[INFO] running `Command { std: "docker" "start" "-a" "32d4134f8e1d008c2803d31219a43a6d78c7b7b3aeea74355071dfc6344c1cc4", kill_on_drop: false }`
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking byteorder v0.3.13
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking connected_socket v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `funcs` in `libc`
[INFO] [stdout]  --> src/lib.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libc::funcs::bsd43::connect;
[INFO] [stdout]   |           ^^^^^ could not find `funcs` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `types` in `libc`
[INFO] [stdout]   --> src/lib.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | use libc::types::os::common::bsd44::socklen_t;
[INFO] [stdout]    |           ^^^^^ could not find `types` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `types` in `libc`
[INFO] [stdout]   --> src/lib.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | use libc::types::os::common::bsd44::sockaddr_in;
[INFO] [stdout]    |           ^^^^^ could not find `types` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `types` in `libc`
[INFO] [stdout]   --> src/lib.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | use libc::types::os::common::bsd44::sockaddr_in6;
[INFO] [stdout]    |           ^^^^^ could not find `types` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `types` in `libc`
[INFO] [stdout]   --> src/lib.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | use libc::types::os::common::bsd44::in_addr;
[INFO] [stdout]    |           ^^^^^ could not find `types` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `types` in `libc`
[INFO] [stdout]   --> src/lib.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 | use libc::types::os::common::bsd44::in6_addr;
[INFO] [stdout]    |           ^^^^^ could not find `types` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `types` in `libc`
[INFO] [stdout]   --> src/lib.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | use libc::types::os::common::bsd44::sa_family_t;
[INFO] [stdout]    |           ^^^^^ could not find `types` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `types` in `libc`
[INFO] [stdout]   --> src/lib.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 | use libc::types::os::common::posix01::timeval;
[INFO] [stdout]    |           ^^^^^ could not find `types` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `funcs` in `libc`
[INFO] [stdout]   --> src/lib.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | use libc::funcs::bsd43::setsockopt;
[INFO] [stdout]    |           ^^^^^ could not find `funcs` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `funcs` in `libc`
[INFO] [stdout]  --> src/lib.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libc::funcs::bsd43::connect;
[INFO] [stdout]   |           ^^^^^ could not find `funcs` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `consts` in `libc`
[INFO] [stdout]   --> src/lib.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | use libc::consts::os::bsd44::SOL_SOCKET;
[INFO] [stdout]    |           ^^^^^^ could not find `consts` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `consts` in `libc`
[INFO] [stdout]   --> src/lib.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | use libc::consts::os::bsd44::AF_INET;
[INFO] [stdout]    |           ^^^^^^ could not find `consts` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `types` in `libc`
[INFO] [stdout]   --> src/lib.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | use libc::types::os::common::bsd44::socklen_t;
[INFO] [stdout]    |           ^^^^^ could not find `types` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `consts` in `libc`
[INFO] [stdout]   --> src/lib.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | use libc::consts::os::bsd44::AF_INET6;
[INFO] [stdout]    |           ^^^^^^ could not find `consts` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `types` in `libc`
[INFO] [stdout]   --> src/lib.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | use libc::types::os::common::bsd44::sockaddr_in;
[INFO] [stdout]    |           ^^^^^ could not find `types` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `types` in `libc`
[INFO] [stdout]   --> src/lib.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | use libc::types::os::arch::c95::c_int;
[INFO] [stdout]    |           ^^^^^ could not find `types` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `types` in `libc`
[INFO] [stdout]   --> src/lib.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | use libc::types::os::arch::c95::c_char;
[INFO] [stdout]    |           ^^^^^ could not find `types` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `types` in `libc`
[INFO] [stdout]   --> src/lib.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | use libc::types::os::common::bsd44::sockaddr_in6;
[INFO] [stdout]    |           ^^^^^ could not find `types` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `types` in `libc`
[INFO] [stdout]   --> src/lib.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | use libc::types::common::c95::c_void;
[INFO] [stdout]    |           ^^^^^ could not find `types` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `types` in `libc`
[INFO] [stdout]   --> src/lib.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | use libc::types::os::common::bsd44::in_addr;
[INFO] [stdout]    |           ^^^^^ could not find `types` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `funcs` in `libc`
[INFO] [stdout]   --> src/lib.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 | use libc::funcs::bsd43::send;
[INFO] [stdout]    |           ^^^^^ could not find `funcs` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `types` in `libc`
[INFO] [stdout]   --> src/lib.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 | use libc::types::os::common::bsd44::in6_addr;
[INFO] [stdout]    |           ^^^^^ could not find `types` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `types` in `libc`
[INFO] [stdout]   --> src/lib.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | use libc::types::os::common::bsd44::sa_family_t;
[INFO] [stdout]    |           ^^^^^ could not find `types` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `funcs` in `libc`
[INFO] [stdout]   --> src/lib.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 | use libc::funcs::bsd43::recv;
[INFO] [stdout]    |           ^^^^^ could not find `funcs` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `types` in `libc`
[INFO] [stdout]   --> src/lib.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 | use libc::types::os::common::posix01::timeval;
[INFO] [stdout]    |           ^^^^^ could not find `types` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `funcs` in `libc`
[INFO] [stdout]   --> src/lib.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | use libc::funcs::bsd43::setsockopt;
[INFO] [stdout]    |           ^^^^^ could not find `funcs` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `consts` in `libc`
[INFO] [stdout]   --> src/lib.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | use libc::consts::os::bsd44::SOL_SOCKET;
[INFO] [stdout]    |           ^^^^^^ could not find `consts` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `consts` in `libc`
[INFO] [stdout]   --> src/lib.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | use libc::consts::os::bsd44::AF_INET;
[INFO] [stdout]    |           ^^^^^^ could not find `consts` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `consts` in `libc`
[INFO] [stdout]   --> src/lib.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | use libc::consts::os::bsd44::AF_INET6;
[INFO] [stdout]    |           ^^^^^^ could not find `consts` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `types` in `libc`
[INFO] [stdout]   --> src/lib.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | use libc::types::os::arch::c95::c_int;
[INFO] [stdout]    |           ^^^^^ could not find `types` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `types` in `libc`
[INFO] [stdout]   --> src/lib.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | use libc::types::os::arch::c95::c_char;
[INFO] [stdout]    |           ^^^^^ could not find `types` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `types` in `libc`
[INFO] [stdout]   --> src/lib.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | use libc::types::common::c95::c_void;
[INFO] [stdout]    |           ^^^^^ could not find `types` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `funcs` in `libc`
[INFO] [stdout]   --> src/lib.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 | use libc::funcs::bsd43::send;
[INFO] [stdout]    |           ^^^^^ could not find `funcs` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `funcs` in `libc`
[INFO] [stdout]   --> src/lib.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 | use libc::funcs::bsd43::recv;
[INFO] [stdout]    |           ^^^^^ could not find `funcs` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]    --> src/lib.rs:186:59
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn connect<A: ToSocketAddrs + ?Sized>(self, addr: &A) -> Result<ConnectedSocket<Self>,Error>;
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout] note: required because it appears within the type `ConnectedSocket<Self>`
[INFO] [stdout]    --> src/lib.rs:44:12
[INFO] [stdout]     |
[INFO] [stdout] 44  | pub struct ConnectedSocket<S: ?Sized> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] note: required by an implicit `Sized` bound in `Result`
[INFO] [stdout]    --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/result.rs:502:1
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn connect<A: ToSocketAddrs + ?Sized>(self, addr: &A) -> Result<ConnectedSocket<Self>,Error> where Self: 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]    --> src/lib.rs:186:59
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn connect<A: ToSocketAddrs + ?Sized>(self, addr: &A) -> Result<ConnectedSocket<Self>,Error>;
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout] note: required because it appears within the type `ConnectedSocket<Self>`
[INFO] [stdout]    --> src/lib.rs:44:12
[INFO] [stdout]     |
[INFO] [stdout] 44  | pub struct ConnectedSocket<S: ?Sized> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] note: required by an implicit `Sized` bound in `Result`
[INFO] [stdout]    --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/result.rs:502:1
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn connect<A: ToSocketAddrs + ?Sized>(self, addr: &A) -> Result<ConnectedSocket<Self>,Error> where Self: Sized;
[INFO] [stdout]     |                                                                                                  +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `num_seconds` found for struct `time::Duration` in the current scope
[INFO] [stdout]    --> src/lib.rs:268:20
[INFO] [stdout]     |
[INFO] [stdout] 268 |             tv_sec: timeout.num_seconds(),
[INFO] [stdout]     |                             ^^^^^^^^^^^ method not found in `Duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `num_seconds` found for struct `time::Duration` in the current scope
[INFO] [stdout]    --> src/lib.rs:268:20
[INFO] [stdout]     |
[INFO] [stdout] 268 |             tv_sec: timeout.num_seconds(),
[INFO] [stdout]     |                             ^^^^^^^^^^^ method not found in `Duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 19 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `connected_socket` (lib) due to 20 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 19 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `connected_socket` (lib test) due to 20 previous errors
[INFO] running `Command { std: "docker" "inspect" "32d4134f8e1d008c2803d31219a43a6d78c7b7b3aeea74355071dfc6344c1cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32d4134f8e1d008c2803d31219a43a6d78c7b7b3aeea74355071dfc6344c1cc4", kill_on_drop: false }`
[INFO] [stdout] 32d4134f8e1d008c2803d31219a43a6d78c7b7b3aeea74355071dfc6344c1cc4