[INFO] fetching crate iron-json-response 0.6.0... [INFO] checking iron-json-response-0.6.0 against master#e9271846294c4ee5bd7706df68180320c0b5ff20 for pr-119825 [INFO] extracting crate iron-json-response 0.6.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate iron-json-response 0.6.0 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 iron-json-response 0.6.0 [INFO] finished tweaking crates.io crate iron-json-response 0.6.0 [INFO] tweaked toml for crates.io crate iron-json-response 0.6.0 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" "+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 bodyparser v0.8.0 [INFO] [stderr] Downloaded multipart v0.13.6 [INFO] [stderr] Downloaded params v0.8.0 [INFO] [stderr] Downloaded urlencoded v0.6.0 [INFO] [stderr] Downloaded persistent v0.4.0 [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" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0460ea5b40e78dfe93c5f81e52df3e82d4ee8e09195f4cb71457153320bb85b1 [INFO] running `Command { std: "docker" "start" "-a" "0460ea5b40e78dfe93c5f81e52df3e82d4ee8e09195f4cb71457153320bb85b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0460ea5b40e78dfe93c5f81e52df3e82d4ee8e09195f4cb71457153320bb85b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0460ea5b40e78dfe93c5f81e52df3e82d4ee8e09195f4cb71457153320bb85b1", kill_on_drop: false }` [INFO] [stdout] 0460ea5b40e78dfe93c5f81e52df3e82d4ee8e09195f4cb71457153320bb85b1 [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=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] 09bf1cfd327a780e517150817787840f0519721448eea6c46bfcc32138b0258b [INFO] running `Command { std: "docker" "start" "-a" "09bf1cfd327a780e517150817787840f0519721448eea6c46bfcc32138b0258b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking serde_json v1.0.111 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking twoway v0.1.8 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Checking buf_redux v0.6.3 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling mime_guess v1.8.8 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking iron v0.6.1 [INFO] [stderr] Checking multipart v0.13.6 [INFO] [stderr] Checking persistent v0.4.0 [INFO] [stderr] Checking iron-json-response v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:92:24 [INFO] [stdout] | [INFO] [stdout] 92 | err.response = try!(self.after(req, err.response)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking bodyparser v0.8.0 [INFO] [stderr] Checking urlencoded v0.6.0 [INFO] [stderr] Checking params v0.8.0 [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:92:24 [INFO] [stdout] | [INFO] [stdout] 92 | err.response = try!(self.after(req, err.response)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.91s [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 3` [INFO] running `Command { std: "docker" "inspect" "09bf1cfd327a780e517150817787840f0519721448eea6c46bfcc32138b0258b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09bf1cfd327a780e517150817787840f0519721448eea6c46bfcc32138b0258b", kill_on_drop: false }` [INFO] [stdout] 09bf1cfd327a780e517150817787840f0519721448eea6c46bfcc32138b0258b [INFO] checking iron-json-response-0.6.0 against try#925e66ec5d7d73da31ddd13e53f21e4674feb4ba for pr-119825 [INFO] extracting crate iron-json-response 0.6.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate iron-json-response 0.6.0 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 iron-json-response 0.6.0 [INFO] finished tweaking crates.io crate iron-json-response 0.6.0 [INFO] tweaked toml for crates.io crate iron-json-response 0.6.0 written to /workspace/builds/worker-4-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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4f0f4b38285b1deb345afe00d633873290a0ea53b6efb7e948c30a7df434cbb9 [INFO] running `Command { std: "docker" "start" "-a" "4f0f4b38285b1deb345afe00d633873290a0ea53b6efb7e948c30a7df434cbb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4f0f4b38285b1deb345afe00d633873290a0ea53b6efb7e948c30a7df434cbb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f0f4b38285b1deb345afe00d633873290a0ea53b6efb7e948c30a7df434cbb9", kill_on_drop: false }` [INFO] [stdout] 4f0f4b38285b1deb345afe00d633873290a0ea53b6efb7e948c30a7df434cbb9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 41e21ace4374504b569f7467f24bacd6b69dd1d0178d066763ada4db08264873 [INFO] running `Command { std: "docker" "start" "-a" "41e21ace4374504b569f7467f24bacd6b69dd1d0178d066763ada4db08264873", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking serde_json v1.0.111 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking twoway v0.1.8 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking buf_redux v0.6.3 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking rand v0.3.23 [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" "41e21ace4374504b569f7467f24bacd6b69dd1d0178d066763ada4db08264873", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41e21ace4374504b569f7467f24bacd6b69dd1d0178d066763ada4db08264873", kill_on_drop: false }` [INFO] [stdout] 41e21ace4374504b569f7467f24bacd6b69dd1d0178d066763ada4db08264873