[INFO] fetching crate sauron-native 0.1.0... [INFO] testing sauron-native-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate sauron-native 0.1.0 into /workspace/builds/worker-106/source [INFO] validating manifest of crates.io crate sauron-native 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate sauron-native 0.1.0 [INFO] finished tweaking crates.io crate sauron-native 0.1.0 [INFO] tweaked toml for crates.io crate sauron-native 0.1.0 written to /workspace/builds/worker-106/source/Cargo.toml [INFO] crate crates.io crate sauron-native 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 74a0688c6a178a7d24e1eec11277fbc20e28dc2c7789ec51e972e8f348e89533 [INFO] running `Command { std: "docker" "start" "-a" "74a0688c6a178a7d24e1eec11277fbc20e28dc2c7789ec51e972e8f348e89533", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "74a0688c6a178a7d24e1eec11277fbc20e28dc2c7789ec51e972e8f348e89533", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74a0688c6a178a7d24e1eec11277fbc20e28dc2c7789ec51e972e8f348e89533", kill_on_drop: false }` [INFO] [stdout] 74a0688c6a178a7d24e1eec11277fbc20e28dc2c7789ec51e972e8f348e89533 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 525e29de3a552ca72d0376f781fe849f2f675786a9a2270cd8490980a54484e4 [INFO] running `Command { std: "docker" "start" "-a" "525e29de3a552ca72d0376f781fe849f2f675786a9a2270cd8490980a54484e4", kill_on_drop: false }` [INFO] [stderr] Compiling sauron_vdom v0.10.0 [INFO] [stderr] Compiling sauron-native v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Node`, `Widget` [INFO] [stdout] --> src/backend.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{Component, Node, Widget}; [INFO] [stdout] | ^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Node` [INFO] [stdout] --> src/program.rs:1:42 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{backend::Backend, Component, Node}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cell::RefCell` [INFO] [stdout] --> src/program.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{cell::RefCell, fmt::Debug, marker::PhantomData, rc::Rc}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event` [INFO] [stdout] --> src/component.rs:6:28 [INFO] [stdout] | [INFO] [stdout] 6 | fn on_event(&mut self, event: Event) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_event` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/component.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 10 | fn debug(&mut self, s: String) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/program.rs:32:38 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn dispatch(self: &Rc, msg: MSG) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `type_alias_enum_variants` has been stable since 1.37.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(type_alias_enum_variants)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.07s [INFO] running `Command { std: "docker" "inspect" "525e29de3a552ca72d0376f781fe849f2f675786a9a2270cd8490980a54484e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "525e29de3a552ca72d0376f781fe849f2f675786a9a2270cd8490980a54484e4", kill_on_drop: false }` [INFO] [stdout] 525e29de3a552ca72d0376f781fe849f2f675786a9a2270cd8490980a54484e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 72fafc941be14c458f90651ba39f8e3ad80961c3d5f4685da21922aad9355189 [INFO] running `Command { std: "docker" "start" "-a" "72fafc941be14c458f90651ba39f8e3ad80961c3d5f4685da21922aad9355189", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling log v0.4.7 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.48 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling bumpalo v2.5.0 [INFO] [stderr] Compiling wasm-bindgen v0.2.48 [INFO] [stderr] Compiling cc v1.0.38 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling rustc-demangle v0.1.15 [INFO] [stderr] Compiling futures v0.1.28 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling scoped-tls v1.0.0 [INFO] [stderr] Compiling termcolor v0.3.6 [INFO] [stdout] warning: unused imports: `Node`, `Widget` [INFO] [stdout] --> src/backend.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{Component, Node, Widget}; [INFO] [stdout] | ^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Node` [INFO] [stdout] --> src/program.rs:1:42 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{backend::Backend, Component, Node}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cell::RefCell` [INFO] [stdout] --> src/program.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{cell::RefCell, fmt::Debug, marker::PhantomData, rc::Rc}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event` [INFO] [stdout] --> src/component.rs:6:28 [INFO] [stdout] | [INFO] [stdout] 6 | fn on_event(&mut self, event: Event) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_event` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/component.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 10 | fn debug(&mut self, s: String) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/program.rs:32:38 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn dispatch(self: &Rc, msg: MSG) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `type_alias_enum_variants` has been stable since 1.37.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(type_alias_enum_variants)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling textwrap v0.11.0 [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_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [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] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling wasm-bindgen-test-macro v0.2.48 [INFO] [stderr] Compiling chrono v0.4.7 [INFO] [stderr] Compiling stderrlog v0.4.1 [INFO] [stderr] Compiling backtrace v0.3.33 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.48 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.48 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.48 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling js-sys v0.3.25 [INFO] [stderr] Compiling console_error_panic_hook v0.1.6 [INFO] [stderr] Compiling wasm-bindgen-futures v0.3.25 [INFO] [stderr] Compiling wasm-bindgen-test v0.2.48 [INFO] [stderr] Compiling sauron-native v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Node`, `Widget` [INFO] [stdout] --> src/backend.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{Component, Node, Widget}; [INFO] [stdout] | ^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Node` [INFO] [stdout] --> src/program.rs:1:42 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{backend::Backend, Component, Node}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cell::RefCell` [INFO] [stdout] --> src/program.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{cell::RefCell, fmt::Debug, marker::PhantomData, rc::Rc}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event` [INFO] [stdout] --> src/component.rs:6:28 [INFO] [stdout] | [INFO] [stdout] 6 | fn on_event(&mut self, event: Event) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_event` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/component.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 10 | fn debug(&mut self, s: String) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/program.rs:32:38 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn dispatch(self: &Rc, msg: MSG) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `type_alias_enum_variants` has been stable since 1.37.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(type_alias_enum_variants)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 27.92s [INFO] running `Command { std: "docker" "inspect" "72fafc941be14c458f90651ba39f8e3ad80961c3d5f4685da21922aad9355189", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72fafc941be14c458f90651ba39f8e3ad80961c3d5f4685da21922aad9355189", kill_on_drop: false }` [INFO] [stdout] 72fafc941be14c458f90651ba39f8e3ad80961c3d5f4685da21922aad9355189 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9d9641b4fb9f5df27b24d8f1e8ec76a72cd33494436cae0ef3e57f76faab8437 [INFO] running `Command { std: "docker" "start" "-a" "9d9641b4fb9f5df27b24d8f1e8ec76a72cd33494436cae0ef3e57f76faab8437", 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] warning: unused imports: `Node`, `Widget` [INFO] [stderr] --> src/backend.rs:1:24 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::{Component, Node, Widget}; [INFO] [stderr] | ^^^^ ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Node` [INFO] [stderr] --> src/program.rs:1:42 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::{backend::Backend, Component, Node}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `cell::RefCell` [INFO] [stderr] --> src/program.rs:2:11 [INFO] [stderr] | [INFO] [stderr] 2 | use std::{cell::RefCell, fmt::Debug, marker::PhantomData, rc::Rc}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `event` [INFO] [stderr] --> src/component.rs:6:28 [INFO] [stderr] | [INFO] [stderr] 6 | fn on_event(&mut self, event: Event) { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_event` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/component.rs:10:25 [INFO] [stderr] | [INFO] [stderr] 10 | fn debug(&mut self, s: String) { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `msg` [INFO] [stderr] --> src/program.rs:32:38 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn dispatch(self: &Rc, msg: MSG) { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stderr] [INFO] [stderr] warning: the feature `type_alias_enum_variants` has been stable since 1.37.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:3:12 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(type_alias_enum_variants)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `sauron-native` (lib) generated 7 warnings [INFO] [stderr] warning: `sauron-native` (lib test) generated 7 warnings (7 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.26s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/sauron_native-8b5a1483128242e5) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests sauron-native [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9d9641b4fb9f5df27b24d8f1e8ec76a72cd33494436cae0ef3e57f76faab8437", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d9641b4fb9f5df27b24d8f1e8ec76a72cd33494436cae0ef3e57f76faab8437", kill_on_drop: false }` [INFO] [stdout] 9d9641b4fb9f5df27b24d8f1e8ec76a72cd33494436cae0ef3e57f76faab8437