[INFO] fetching crate phoenix-channels 0.1.4... [INFO] checking phoenix-channels-0.1.4 against master#e9271846294c4ee5bd7706df68180320c0b5ff20 for pr-119825 [INFO] extracting crate phoenix-channels 0.1.4 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate phoenix-channels 0.1.4 on toolchain e9271846294c4ee5bd7706df68180320c0b5ff20 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate phoenix-channels 0.1.4 [INFO] finished tweaking crates.io crate phoenix-channels 0.1.4 [INFO] tweaked toml for crates.io crate phoenix-channels 0.1.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded slog-stdlog v4.1.1 [INFO] [stderr] Downloaded websocket v0.23.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1c5cbe503133dd2aedd34e5e6e0c27f8f945672d05f4378d37a2a24b237e4d91 [INFO] running `Command { std: "docker" "start" "-a" "1c5cbe503133dd2aedd34e5e6e0c27f8f945672d05f4378d37a2a24b237e4d91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c5cbe503133dd2aedd34e5e6e0c27f8f945672d05f4378d37a2a24b237e4d91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c5cbe503133dd2aedd34e5e6e0c27f8f945672d05f4378d37a2a24b237e4d91", kill_on_drop: false }` [INFO] [stdout] 1c5cbe503133dd2aedd34e5e6e0c27f8f945672d05f4378d37a2a24b237e4d91 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec215c324aa6e6c2d5f13a41f49dad0eb5860f4a8691768f04b01ce53757029f [INFO] running `Command { std: "docker" "start" "-a" "ec215c324aa6e6c2d5f13a41f49dad0eb5860f4a8691768f04b01ce53757029f", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling openssl v0.10.62 [INFO] [stderr] Checking openssl-sys v0.9.98 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking arc-swap v1.6.0 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking slog-scope v4.4.0 [INFO] [stderr] Checking sha1 v0.6.1 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking slog-stdlog v4.1.1 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-tls v0.2.1 [INFO] [stderr] Checking websocket v0.23.0 [INFO] [stderr] Checking phoenix-channels v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/sender.rs:44:43 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn heartbeat(&mut self) -> Result<(u32), MessageError> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 44 - pub fn heartbeat(&mut self) -> Result<(u32), MessageError> { [INFO] [stdout] 44 + pub fn heartbeat(&mut self) -> Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/sender.rs:44:43 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn heartbeat(&mut self) -> Result<(u32), MessageError> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 44 - pub fn heartbeat(&mut self) -> Result<(u32), MessageError> { [INFO] [stdout] 44 + pub fn heartbeat(&mut self) -> Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `logger` is never read [INFO] [stdout] --> src/client.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 71 | pub struct Client { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 72 | logger: slog::Logger, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `logger` is never read [INFO] [stdout] --> src/receiver.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Receiver [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 10 | { [INFO] [stdout] 11 | logger: slog::Logger, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `logger` is never read [INFO] [stdout] --> src/client.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 71 | pub struct Client { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 72 | logger: slog::Logger, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `logger` is never read [INFO] [stdout] --> src/receiver.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Receiver [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 10 | { [INFO] [stdout] 11 | logger: slog::Logger, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:107:17 [INFO] [stdout] | [INFO] [stdout] 107 | sender.heartbeat(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 107 | let _ = sender.heartbeat(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:107:17 [INFO] [stdout] | [INFO] [stdout] 107 | sender.heartbeat(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 107 | let _ = sender.heartbeat(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.60s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "ec215c324aa6e6c2d5f13a41f49dad0eb5860f4a8691768f04b01ce53757029f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec215c324aa6e6c2d5f13a41f49dad0eb5860f4a8691768f04b01ce53757029f", kill_on_drop: false }` [INFO] [stdout] ec215c324aa6e6c2d5f13a41f49dad0eb5860f4a8691768f04b01ce53757029f [INFO] checking phoenix-channels-0.1.4 against try#925e66ec5d7d73da31ddd13e53f21e4674feb4ba for pr-119825 [INFO] extracting crate phoenix-channels 0.1.4 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate phoenix-channels 0.1.4 on toolchain 925e66ec5d7d73da31ddd13e53f21e4674feb4ba [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+925e66ec5d7d73da31ddd13e53f21e4674feb4ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate phoenix-channels 0.1.4 [INFO] finished tweaking crates.io crate phoenix-channels 0.1.4 [INFO] tweaked toml for crates.io crate phoenix-channels 0.1.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+925e66ec5d7d73da31ddd13e53f21e4674feb4ba" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+925e66ec5d7d73da31ddd13e53f21e4674feb4ba" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+925e66ec5d7d73da31ddd13e53f21e4674feb4ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b2e65b1b6e39fbaa1e26dc861589f5843aa006ed4881bc923c827cdb21e6fa8f [INFO] running `Command { std: "docker" "start" "-a" "b2e65b1b6e39fbaa1e26dc861589f5843aa006ed4881bc923c827cdb21e6fa8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b2e65b1b6e39fbaa1e26dc861589f5843aa006ed4881bc923c827cdb21e6fa8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2e65b1b6e39fbaa1e26dc861589f5843aa006ed4881bc923c827cdb21e6fa8f", kill_on_drop: false }` [INFO] [stdout] b2e65b1b6e39fbaa1e26dc861589f5843aa006ed4881bc923c827cdb21e6fa8f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+925e66ec5d7d73da31ddd13e53f21e4674feb4ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a3508090f43d2a2d739c814a076f9e1b38d86ce11a0c490d7fa07e6ac025b27 [INFO] running `Command { std: "docker" "start" "-a" "8a3508090f43d2a2d739c814a076f9e1b38d86ce11a0c490d7fa07e6ac025b27", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling openssl v0.10.62 [INFO] [stderr] Checking openssl-sys v0.9.98 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking arc-swap v1.6.0 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking slog-scope v4.4.0 [INFO] [stderr] Checking sha1 v0.6.1 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking slog-stdlog v4.1.1 [INFO] [stdout] error[E0592]: duplicate definitions with name `downcast_ref_unchecked` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/hyper-0.10.16/src/net.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 113 | unsafe fn downcast_ref_unchecked(&self) -> &T { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ duplicate definitions for `downcast_ref_unchecked` [INFO] [stdout] ... [INFO] [stdout] 168 | unsafe fn downcast_ref_unchecked(&self) -> &T { [INFO] [stdout] | --------------------------------------------------------- other definition for `downcast_ref_unchecked` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0592]: duplicate definitions with name `downcast_mut_unchecked` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/hyper-0.10.16/src/net.rs:117:5 [INFO] [stdout] | [INFO] [stdout] 117 | unsafe fn downcast_mut_unchecked(&mut self) -> &mut T { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ duplicate definitions for `downcast_mut_unchecked` [INFO] [stdout] ... [INFO] [stdout] 172 | unsafe fn downcast_mut_unchecked(&mut self) -> &mut T { [INFO] [stdout] | ----------------------------------------------------------------- other definition for `downcast_mut_unchecked` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0592]: duplicate definitions with name `downcast_unchecked` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/hyper-0.10.16/src/net.rs:121:5 [INFO] [stdout] | [INFO] [stdout] 121 | unsafe fn downcast_unchecked(self: Box) -> Box { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ duplicate definitions for `downcast_unchecked` [INFO] [stdout] ... [INFO] [stdout] 176 | unsafe fn downcast_unchecked(self: Box) -> Box { [INFO] [stdout] | ----------------------------------------------------------------------------------- other definition for `downcast_unchecked` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0592]: duplicate definitions with name `is` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/hyper-0.10.16/src/net.rs:130:5 [INFO] [stdout] | [INFO] [stdout] 130 | pub fn is(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ duplicate definitions for `is` [INFO] [stdout] ... [INFO] [stdout] 185 | pub fn is(&self) -> bool { [INFO] [stdout] | -------------------------------- other definition for `is` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0592]: duplicate definitions with name `downcast_ref` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/hyper-0.10.16/src/net.rs:136:5 [INFO] [stdout] | [INFO] [stdout] 136 | pub fn downcast_ref(&self) -> Option<&T> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ duplicate definitions for `downcast_ref` [INFO] [stdout] ... [INFO] [stdout] 191 | pub fn downcast_ref(&self) -> Option<&T> { [INFO] [stdout] | ------------------------------------------------ other definition for `downcast_ref` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0592]: duplicate definitions with name `downcast_mut` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/hyper-0.10.16/src/net.rs:147:5 [INFO] [stdout] | [INFO] [stdout] 147 | pub fn downcast_mut(&mut self) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ duplicate definitions for `downcast_mut` [INFO] [stdout] ... [INFO] [stdout] 202 | pub fn downcast_mut(&mut self) -> Option<&mut T> { [INFO] [stdout] | -------------------------------------------------------- other definition for `downcast_mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0592]: duplicate definitions with name `downcast` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/hyper-0.10.16/src/net.rs:157:5 [INFO] [stdout] | [INFO] [stdout] 157 | / pub fn downcast(self: Box) [INFO] [stdout] 158 | | -> Result, Box> { [INFO] [stdout] | |_________________________________________________^ duplicate definitions for `downcast` [INFO] [stdout] ... [INFO] [stdout] 212 | / pub fn downcast(self: Box) [INFO] [stdout] 213 | | -> Result, Box> { [INFO] [stdout] | |________________________________________________________- other definition for `downcast` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 7 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0592`. [INFO] [stdout] [INFO] [stderr] error: could not compile `hyper` (lib) due to 8 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "8a3508090f43d2a2d739c814a076f9e1b38d86ce11a0c490d7fa07e6ac025b27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a3508090f43d2a2d739c814a076f9e1b38d86ce11a0c490d7fa07e6ac025b27", kill_on_drop: false }` [INFO] [stdout] 8a3508090f43d2a2d739c814a076f9e1b38d86ce11a0c490d7fa07e6ac025b27