[INFO] fetching crate wsdclient 0.0.0... [INFO] checking wsdclient-0.0.0 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] extracting crate wsdclient 0.0.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate wsdclient 0.0.0 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate wsdclient 0.0.0 [INFO] finished tweaking crates.io crate wsdclient 0.0.0 [INFO] tweaked toml for crates.io crate wsdclient 0.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 180 packages to latest compatible versions [INFO] [stderr] Adding autocfg v0.1.8 (available: v1.3.0) [INFO] [stderr] Adding base64 v0.10.1 (available: v0.22.1) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding bytes v0.4.12 (available: v1.7.2) [INFO] [stderr] Adding cfg-if v0.1.10 (available: v1.0.0) [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.18) [INFO] [stderr] Adding cloudabi v0.0.3 (available: v0.1.0) [INFO] [stderr] Adding cookie v0.12.0 (available: v0.18.1) [INFO] [stderr] Adding cookie_store v0.7.0 (available: v0.21.0) [INFO] [stderr] Adding core-foundation v0.9.4 (available: v0.10.0) [INFO] [stderr] Adding crossbeam-deque v0.7.4 (available: v0.8.5) [INFO] [stderr] Adding crossbeam-epoch v0.8.2 (available: v0.9.18) [INFO] [stderr] Adding crossbeam-queue v0.2.3 (available: v0.3.11) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (available: v0.8.20) [INFO] [stderr] Adding dtoa v0.4.8 (available: v1.0.9) [INFO] [stderr] Adding foreign-types v0.3.2 (available: v0.5.0) [INFO] [stderr] Adding foreign-types-shared v0.1.1 (available: v0.3.1) [INFO] [stderr] Adding futures v0.1.31 (available: v0.3.30) [INFO] [stderr] Adding h2 v0.1.26 (available: v0.4.6) [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.14.5) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding http v0.1.21 (available: v1.1.0) [INFO] [stderr] Adding http-body v0.1.0 (available: v1.0.1) [INFO] [stderr] Adding hyper v0.12.36 (available: v1.4.1) [INFO] [stderr] Adding hyper-tls v0.3.2 (available: v0.6.0) [INFO] [stderr] Adding idna v0.1.5 (available: v1.0.2) [INFO] [stderr] Adding idna v0.2.3 (available: v1.0.2) [INFO] [stderr] Adding idna v0.5.0 (available: v1.0.2) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.5.0) [INFO] [stderr] Adding itoa v0.4.8 (available: v1.0.11) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding lock_api v0.3.4 (available: v0.4.12) [INFO] [stderr] Adding memoffset v0.5.6 (available: v0.9.1) [INFO] [stderr] Adding mio v0.6.23 (available: v1.0.2) [INFO] [stderr] Adding miow v0.2.2 (available: v0.6.0) [INFO] [stderr] Adding parking_lot v0.9.0 (available: v0.12.3) [INFO] [stderr] Adding parking_lot_core v0.6.3 (available: v0.9.10) [INFO] [stderr] Adding percent-encoding v1.0.1 (available: v2.3.1) [INFO] [stderr] Adding publicsuffix v1.5.6 (available: v2.2.3) [INFO] [stderr] Adding rand v0.6.5 (available: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (available: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (available: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (available: v0.6.4) [INFO] [stderr] Adding rand_hc v0.1.0 (available: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (available: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (available: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (available: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (available: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (available: v0.3.0) [INFO] [stderr] Adding rdrand v0.4.0 (available: v0.8.3) [INFO] [stderr] Adding redox_syscall v0.1.57 (available: v0.5.6) [INFO] [stderr] Adding reqwest v0.9.24 (available: v0.12.7) [INFO] [stderr] Adding rustc_version v0.2.3 (available: v0.4.1) [INFO] [stderr] Adding security-framework v2.11.1 (available: v3.0.0) [INFO] [stderr] Adding semver v0.9.0 (available: v1.0.23) [INFO] [stderr] Adding semver-parser v0.7.0 (available: v0.10.2) [INFO] [stderr] Adding serde_urlencoded v0.5.5 (available: v0.7.1) [INFO] [stderr] Adding smallvec v0.6.14 (available: v1.13.2) [INFO] [stderr] Adding string v0.2.1 (available: v0.3.1) [INFO] [stderr] Adding strsim v0.8.0 (available: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding synstructure v0.12.6 (available: v0.13.1) [INFO] [stderr] Adding textwrap v0.11.0 (available: v0.16.1) [INFO] [stderr] Adding time v0.1.45 (available: v0.3.36) [INFO] [stderr] Adding tokio v0.1.22 (available: v1.40.0) [INFO] [stderr] Adding unicode-width v0.1.14 (available: v0.2.0) [INFO] [stderr] Adding url v1.7.2 (available: v2.5.2) [INFO] [stderr] Adding uuid v0.7.4 (available: v1.10.0) [INFO] [stderr] Adding want v0.2.0 (available: v0.3.1) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1) [INFO] [stderr] Adding winapi v0.2.8 (available: v0.3.9) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] [stderr] Adding winreg v0.6.2 (available: v0.52.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3986409a1efde97ac304cbd5a29c8bc1f08c32bf4df7e7d3ee7e023f854d10b1 [INFO] running `Command { std: "docker" "start" "-a" "3986409a1efde97ac304cbd5a29c8bc1f08c32bf4df7e7d3ee7e023f854d10b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3986409a1efde97ac304cbd5a29c8bc1f08c32bf4df7e7d3ee7e023f854d10b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3986409a1efde97ac304cbd5a29c8bc1f08c32bf4df7e7d3ee7e023f854d10b1", kill_on_drop: false }` [INFO] [stdout] 3986409a1efde97ac304cbd5a29c8bc1f08c32bf4df7e7d3ee7e023f854d10b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f2a50a4f5dbf738eae9ffd9803aabe077921bfce22be6d6596b70cc9365700ca [INFO] running `Command { std: "docker" "start" "-a" "f2a50a4f5dbf738eae9ffd9803aabe077921bfce22be6d6596b70cc9365700ca", kill_on_drop: false }` [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Checking unicode-normalization v0.1.24 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Checking openssl v0.10.66 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Compiling mime_guess v2.0.5 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Compiling hyper v0.12.36 [INFO] [stderr] Checking flate2 v1.0.34 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking url v2.5.2 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking publicsuffix v1.5.6 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking native-tls v0.2.12 [INFO] [stderr] Checking backtrace v0.3.74 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking reqwest v0.9.24 [INFO] [stderr] Checking wsdclient v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(custom_attribute)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in favor of `#![register_tool]` and `#![register_attr]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(custom_attribute)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in favor of `#![register_tool]` and `#![register_attr]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(plugin)] [INFO] [stdout] | ^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: plugins are no longer supported [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(plugin)] [INFO] [stdout] | ^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: plugins are no longer supported [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DiagramError` [INFO] [stdout] --> src/client.rs:161:24 [INFO] [stdout] | [INFO] [stdout] 161 | use crate::types::{DiagramError, Format}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/types.rs:308:72 [INFO] [stdout] | [INFO] [stdout] 308 | pub fn from_wsd_error_str(error: &str) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 308 | pub fn from_wsd_error_str(error: &str) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/client.rs:37:86 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn get_diagram(spec: &str, parameters: &PlotParameters) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 37 | pub fn get_diagram(spec: &str, parameters: &PlotParameters) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/client.rs:133:61 [INFO] [stdout] | [INFO] [stdout] 133 | fn determine_actual_format(url: &str) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 133 | fn determine_actual_format(url: &str) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/types.rs:308:72 [INFO] [stdout] | [INFO] [stdout] 308 | pub fn from_wsd_error_str(error: &str) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 308 | pub fn from_wsd_error_str(error: &str) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/client.rs:37:86 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn get_diagram(spec: &str, parameters: &PlotParameters) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 37 | pub fn get_diagram(spec: &str, parameters: &PlotParameters) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/config.rs:31:54 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn from_command_line() -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 31 | pub fn from_command_line() -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/client.rs:133:61 [INFO] [stdout] | [INFO] [stdout] 133 | fn determine_actual_format(url: &str) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 133 | fn determine_actual_format(url: &str) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/config.rs:31:54 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn from_command_line() -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 31 | pub fn from_command_line() -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `wsdclient` (lib test) due to 3 previous errors; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `wsdclient` (lib) due to 3 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "f2a50a4f5dbf738eae9ffd9803aabe077921bfce22be6d6596b70cc9365700ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2a50a4f5dbf738eae9ffd9803aabe077921bfce22be6d6596b70cc9365700ca", kill_on_drop: false }` [INFO] [stdout] f2a50a4f5dbf738eae9ffd9803aabe077921bfce22be6d6596b70cc9365700ca