[INFO] fetching crate hawk-ws 0.1.1... [INFO] testing hawk-ws-0.1.1 against 1.55.0 for beta-1.56-1 [INFO] extracting crate hawk-ws 0.1.1 into /workspace/builds/worker-56/source [INFO] validating manifest of crates.io crate hawk-ws 0.1.1 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate hawk-ws 0.1.1 [INFO] finished tweaking crates.io crate hawk-ws 0.1.1 [INFO] tweaked toml for crates.io crate hawk-ws 0.1.1 written to /workspace/builds/worker-56/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f9b06b29e869ebcbbde8310de81def8f6b08917649e7387b5691d16bdb6394ae [INFO] running `Command { std: "docker" "start" "-a" "f9b06b29e869ebcbbde8310de81def8f6b08917649e7387b5691d16bdb6394ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f9b06b29e869ebcbbde8310de81def8f6b08917649e7387b5691d16bdb6394ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9b06b29e869ebcbbde8310de81def8f6b08917649e7387b5691d16bdb6394ae", kill_on_drop: false }` [INFO] [stdout] f9b06b29e869ebcbbde8310de81def8f6b08917649e7387b5691d16bdb6394ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a1f90eedc967889dd35c64c51ff5240b284e6a3b7417c94569dc5d56e97eec7 [INFO] running `Command { std: "docker" "start" "-a" "7a1f90eedc967889dd35c64c51ff5240b284e6a3b7417c94569dc5d56e97eec7", 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] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling unicode-bidi v0.3.6 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling sha1 v0.2.0 [INFO] [stderr] Compiling slab v0.3.0 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling tinyvec v1.3.1 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling hawk-ws v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/result.rs:64:16 [INFO] [stdout] | [INFO] [stdout] 64 | Custom(Box), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/result.rs:84:34 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn into_box(self) -> Box { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/result.rs:131:32 [INFO] [stdout] | [INFO] [stdout] 131 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.88s [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7a1f90eedc967889dd35c64c51ff5240b284e6a3b7417c94569dc5d56e97eec7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a1f90eedc967889dd35c64c51ff5240b284e6a3b7417c94569dc5d56e97eec7", kill_on_drop: false }` [INFO] [stdout] 7a1f90eedc967889dd35c64c51ff5240b284e6a3b7417c94569dc5d56e97eec7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5de69147189b7a767d2936fdfd06d82cc760373f88dc47f2a520066b73abc7e3 [INFO] running `Command { std: "docker" "start" "-a" "5de69147189b7a767d2936fdfd06d82cc760373f88dc47f2a520066b73abc7e3", kill_on_drop: false }` [INFO] [stderr] Compiling ucd-util v0.1.8 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/result.rs:64:16 [INFO] [stdout] | [INFO] [stdout] 64 | Custom(Box), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/result.rs:84:34 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn into_box(self) -> Box { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/result.rs:131:32 [INFO] [stdout] | [INFO] [stdout] 131 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Compiling hawk-ws v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0463]: can't find crate for `ws` [INFO] [stdout] --> tests/shutdown.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate ws; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ can't find crate [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 E0463`. [INFO] [stdout] [INFO] [stderr] error: could not compile `hawk-ws` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0463]: can't find crate for `ws` [INFO] [stdout] --> examples/client.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate ws; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ can't find crate [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 E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `ws` [INFO] [stdout] --> examples/peer2peer.rs:29:1 [INFO] [stdout] | [INFO] [stdout] 29 | extern crate ws; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ can't find crate [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 E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `ws` [INFO] [stdout] --> examples/bench.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | extern crate ws; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ can't find crate [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 E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `ws` [INFO] [stdout] --> examples/bench-server.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate ws; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ can't find crate [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 E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `ws` [INFO] [stdout] --> examples/cli.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | extern crate ws; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ can't find crate [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 E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `ws` [INFO] [stdout] --> examples/autobahn-client.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate ws; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ can't find crate [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 E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `ws` [INFO] [stdout] --> examples/external_shutdown.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate ws; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `ws` [INFO] [stdout] --> examples/autobahn-server.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate ws; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ can't find crate [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 E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `ws` [INFO] [stdout] --> examples/router.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate ws; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ can't find crate [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 E0463`. [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 E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `ws` [INFO] [stdout] --> examples/pong.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate ws; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ can't find crate [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 E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `ws` [INFO] [stdout] --> examples/remote_addr.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate ws; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ can't find crate [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 E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `ws` [INFO] [stdout] --> examples/channel.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | extern crate ws; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ can't find crate [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 E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `ws` [INFO] [stdout] --> examples/threaded.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate ws; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ can't find crate [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 E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `ws` [INFO] [stdout] --> examples/ssl-server.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | extern crate ws; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `ws` [INFO] [stdout] --> examples/server.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate ws; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ can't find crate [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 E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `ws` [INFO] [stdout] --> examples/unsafe-ssl-client.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | extern crate ws; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ can't find crate [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 E0463`. [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 E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `ws` [INFO] [stdout] --> tests/bind.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate ws; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ can't find crate [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 E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `ws` [INFO] [stdout] --> examples/shared.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | extern crate ws; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ can't find crate [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 E0463`. [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/result.rs:64:16 [INFO] [stdout] | [INFO] [stdout] 64 | Custom(Box), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/result.rs:84:34 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn into_box(self) -> Box { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/result.rs:131:32 [INFO] [stdout] | [INFO] [stdout] 131 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused closure that must be used [INFO] [stdout] --> src/factory.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | factory.connection_made(Sender::new(mio::Token(0), chn, 0)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: closures are lazy and do nothing unless called [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "5de69147189b7a767d2936fdfd06d82cc760373f88dc47f2a520066b73abc7e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5de69147189b7a767d2936fdfd06d82cc760373f88dc47f2a520066b73abc7e3", kill_on_drop: false }` [INFO] [stdout] 5de69147189b7a767d2936fdfd06d82cc760373f88dc47f2a520066b73abc7e3