[INFO] fetching crate hawk-ws 0.1.1... [INFO] testing hawk-ws-0.1.1 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] extracting crate hawk-ws 0.1.1 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate hawk-ws 0.1.1 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5840875c4e9c42ab860b78d77ecc4c6a869511b69a7efa1c3cfebd7221d12fa2 [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" "5840875c4e9c42ab860b78d77ecc4c6a869511b69a7efa1c3cfebd7221d12fa2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5840875c4e9c42ab860b78d77ecc4c6a869511b69a7efa1c3cfebd7221d12fa2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5840875c4e9c42ab860b78d77ecc4c6a869511b69a7efa1c3cfebd7221d12fa2", kill_on_drop: false }` [INFO] [stdout] 5840875c4e9c42ab860b78d77ecc4c6a869511b69a7efa1c3cfebd7221d12fa2 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 22c0de3b585a9126ac38d4da2743ed96e9a9fb8bb83321384114530261e1bbf4 [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" "22c0de3b585a9126ac38d4da2743ed96e9a9fb8bb83321384114530261e1bbf4", kill_on_drop: false }` [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling sha1 v0.2.0 [INFO] [stderr] Compiling tinyvec v1.2.0 [INFO] [stderr] Compiling unicode-bidi v0.3.5 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling rand v0.3.23 [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] Finished dev [unoptimized + debuginfo] target(s) in 9.65s [INFO] running `Command { std: "docker" "inspect" "22c0de3b585a9126ac38d4da2743ed96e9a9fb8bb83321384114530261e1bbf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22c0de3b585a9126ac38d4da2743ed96e9a9fb8bb83321384114530261e1bbf4", kill_on_drop: false }` [INFO] [stdout] 22c0de3b585a9126ac38d4da2743ed96e9a9fb8bb83321384114530261e1bbf4 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5e99694b9c6515ffc4c7e9084567f9b84a3b4afd1974e88dce1aadac44c2d728 [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" "5e99694b9c6515ffc4c7e9084567f9b84a3b4afd1974e88dce1aadac44c2d728", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling ucd-util v0.1.8 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling thread_local v0.3.6 [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 clap v2.33.3 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling aho-corasick v0.6.10 [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] --> 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] [stderr] error: could not compile `hawk-ws` [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] [stderr] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/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/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[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/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] --> 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] [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: 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[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] 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] 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/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/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/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/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/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: 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/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] 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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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" "5e99694b9c6515ffc4c7e9084567f9b84a3b4afd1974e88dce1aadac44c2d728", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e99694b9c6515ffc4c7e9084567f9b84a3b4afd1974e88dce1aadac44c2d728", kill_on_drop: false }` [INFO] [stdout] 5e99694b9c6515ffc4c7e9084567f9b84a3b4afd1974e88dce1aadac44c2d728