[INFO] cloning repository https://github.com/jeysal/rust-playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeysal/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeysal%2Frust-playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeysal%2Frust-playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4bc7c13833bb9d5ee9017012e479ed99a23a78ee [INFO] testing jeysal/rust-playground against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeysal%2Frust-playground" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jeysal/rust-playground [INFO] finished tweaking git repo https://github.com/jeysal/rust-playground [INFO] tweaked toml for git repo https://github.com/jeysal/rust-playground written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jeysal/rust-playground on toolchain 1.99.0-beta.1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jeysal/rust-playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: largest/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `largest` (manifest) generated 1 warning [INFO] [stderr] warning: hello/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `hello` (manifest) generated 1 warning [INFO] [stderr] warning: collections/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `collections` (manifest) generated 1 warning [INFO] [stderr] warning: fibonacci/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `fibonacci` (manifest) generated 1 warning [INFO] [stderr] warning: minigrep/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `minigrep` (manifest) generated 1 warning [INFO] [stderr] warning: impl_conflict/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `impl_conflict` (manifest) generated 1 warning [INFO] [stderr] warning: guess/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `guess` (manifest) generated 1 warning [INFO] [stderr] warning: temp_conv/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `temp_conv` (manifest) generated 1 warning [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] d42fa6cd03a41ea0062b6617d98d80c3266cf1699d7cadb6ef649c27b6909d31 [INFO] running `Command { std: "docker" "start" "d42fa6cd03a41ea0062b6617d98d80c3266cf1699d7cadb6ef649c27b6909d31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d42fa6cd03a41ea0062b6617d98d80c3266cf1699d7cadb6ef649c27b6909d31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d42fa6cd03a41ea0062b6617d98d80c3266cf1699d7cadb6ef649c27b6909d31" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d42fa6cd03a41ea0062b6617d98d80c3266cf1699d7cadb6ef649c27b6909d31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d42fa6cd03a41ea0062b6617d98d80c3266cf1699d7cadb6ef649c27b6909d31" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }` [INFO] [stderr] warning: hello/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `hello` (manifest) generated 1 warning [INFO] [stderr] warning: collections/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `collections` (manifest) generated 1 warning [INFO] [stderr] warning: fibonacci/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `fibonacci` (manifest) generated 1 warning [INFO] [stderr] warning: largest/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `largest` (manifest) generated 1 warning [INFO] [stderr] warning: minigrep/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `minigrep` (manifest) generated 1 warning [INFO] [stderr] warning: temp_conv/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `temp_conv` (manifest) generated 1 warning [INFO] [stderr] warning: guess/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `guess` (manifest) generated 1 warning [INFO] [stderr] warning: impl_conflict/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `impl_conflict` (manifest) generated 1 warning [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Compiling regex v1.0.4 [INFO] [stderr] Compiling utf8-ranges v1.0.1 [INFO] [stderr] Compiling hello v0.1.0 (/opt/rustwide/workdir/hello) [INFO] [stderr] Compiling fibonacci v0.1.0 (/opt/rustwide/workdir/fibonacci) [INFO] [stderr] Compiling largest v0.1.0 (/opt/rustwide/workdir/largest) [INFO] [stderr] Compiling impl_conflict v0.1.0 (/opt/rustwide/workdir/impl_conflict) [INFO] [stderr] Compiling temp_conv v0.1.0 (/opt/rustwide/workdir/temp_conv) [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> hello/src/lib.rs:16:16 [INFO] [stdout] | [INFO] [stdout] 16 | type Job = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 16 | type Job = Box; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `s` is never read [INFO] [stdout] --> impl_conflict/src/main.rs:11:3 [INFO] [stdout] | [INFO] [stdout] 10 | struct A { [INFO] [stdout] | - field in this struct [INFO] [stdout] 11 | s: String, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `A` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling memchr v2.0.2 [INFO] [stderr] Compiling rand v0.4.3 [INFO] [stderr] Compiling aho-corasick v0.6.7 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling guess v0.1.0 (/opt/rustwide/workdir/guess) [INFO] [stderr] Compiling minigrep v0.1.0 (/opt/rustwide/workdir/minigrep) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> minigrep/src/lib.rs:7:61 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn run(pattern: &str, filename: &str) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 7 | pub fn run(pattern: &str, filename: &str) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling collections v0.1.0 (/opt/rustwide/workdir/collections) [INFO] [stderr] Finished `release` profile [optimized] target(s) in 15.06s [INFO] running `Command { std: "docker" "inspect" "d42fa6cd03a41ea0062b6617d98d80c3266cf1699d7cadb6ef649c27b6909d31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d42fa6cd03a41ea0062b6617d98d80c3266cf1699d7cadb6ef649c27b6909d31" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }` [INFO] [stderr] warning: hello/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `hello` (manifest) generated 1 warning [INFO] [stderr] warning: collections/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `collections` (manifest) generated 1 warning [INFO] [stderr] warning: fibonacci/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `fibonacci` (manifest) generated 1 warning [INFO] [stderr] warning: largest/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `largest` (manifest) generated 1 warning [INFO] [stderr] warning: minigrep/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `minigrep` (manifest) generated 1 warning [INFO] [stderr] warning: temp_conv/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `temp_conv` (manifest) generated 1 warning [INFO] [stderr] warning: guess/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `guess` (manifest) generated 1 warning [INFO] [stderr] warning: impl_conflict/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `impl_conflict` (manifest) generated 1 warning [INFO] [stderr] Compiling hello v0.1.0 (/opt/rustwide/workdir/hello) [INFO] [stderr] Compiling fibonacci v0.1.0 (/opt/rustwide/workdir/fibonacci) [INFO] [stderr] Compiling largest v0.1.0 (/opt/rustwide/workdir/largest) [INFO] [stderr] Compiling impl_conflict v0.1.0 (/opt/rustwide/workdir/impl_conflict) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> hello/src/lib.rs:16:16 [INFO] [stdout] | [INFO] [stdout] 16 | type Job = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 16 | type Job = Box; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling temp_conv v0.1.0 (/opt/rustwide/workdir/temp_conv) [INFO] [stderr] Compiling guess v0.1.0 (/opt/rustwide/workdir/guess) [INFO] [stderr] Compiling collections v0.1.0 (/opt/rustwide/workdir/collections) [INFO] [stderr] Compiling minigrep v0.1.0 (/opt/rustwide/workdir/minigrep) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> minigrep/src/lib.rs:7:61 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn run(pattern: &str, filename: &str) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 7 | pub fn run(pattern: &str, filename: &str) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> hello/src/lib.rs:16:16 [INFO] [stdout] | [INFO] [stdout] 16 | type Job = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 16 | type Job = Box; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `s` is never read [INFO] [stdout] --> impl_conflict/src/main.rs:11:3 [INFO] [stdout] | [INFO] [stdout] 10 | struct A { [INFO] [stdout] | - field in this struct [INFO] [stdout] 11 | s: String, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `A` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> minigrep/src/lib.rs:7:61 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn run(pattern: &str, filename: &str) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 7 | pub fn run(pattern: &str, filename: &str) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `release` profile [optimized] target(s) in 1.18s [INFO] running `Command { std: "docker" "inspect" "d42fa6cd03a41ea0062b6617d98d80c3266cf1699d7cadb6ef649c27b6909d31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d42fa6cd03a41ea0062b6617d98d80c3266cf1699d7cadb6ef649c27b6909d31" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }` [INFO] [stderr] warning: hello/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `hello` (manifest) generated 1 warning [INFO] [stderr] warning: collections/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `collections` (manifest) generated 1 warning [INFO] [stderr] warning: fibonacci/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `fibonacci` (manifest) generated 1 warning [INFO] [stderr] warning: largest/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `largest` (manifest) generated 1 warning [INFO] [stderr] warning: minigrep/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `minigrep` (manifest) generated 1 warning [INFO] [stderr] warning: temp_conv/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `temp_conv` (manifest) generated 1 warning [INFO] [stderr] warning: guess/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `guess` (manifest) generated 1 warning [INFO] [stderr] warning: impl_conflict/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `impl_conflict` (manifest) generated 1 warning [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> minigrep/src/lib.rs:7:61 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn run(pattern: &str, filename: &str) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 7 | pub fn run(pattern: &str, filename: &str) -> Result<(), Box> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `minigrep` (lib) generated 1 warning (run `cargo fix --lib -p minigrep` to apply 1 suggestion) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> hello/src/lib.rs:16:16 [INFO] [stderr] | [INFO] [stderr] 16 | type Job = Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 16 | type Job = Box; [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: field `s` is never read [INFO] [stderr] --> impl_conflict/src/main.rs:11:3 [INFO] [stderr] | [INFO] [stderr] 10 | struct A { [INFO] [stderr] | - field in this struct [INFO] [stderr] 11 | s: String, [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `A` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `hello` (lib) generated 1 warning (run `cargo fix --lib -p hello` to apply 1 suggestion) [INFO] [stderr] warning: `minigrep` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `hello` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `impl_conflict` (bin "impl_conflict" test) generated 1 warning [INFO] [stderr] Finished `release` profile [optimized] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/release/deps/collections-dc234747e59e918d) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test num_stats::tests::single_number ... ok [INFO] [stdout] test num_stats::tests::multiple_numbers ... ok [INFO] [stdout] test num_stats::tests::numbers_empty ... ok [INFO] [stdout] test pig_latin::tests::multiple_words ... ok [INFO] [stdout] test pig_latin::tests::empty ... ok [INFO] [stdout] test pig_latin::tests::starts_with_consonant ... ok [INFO] [stdout] test pig_latin::tests::starts_with_vowel ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/release/deps/fibonacci-15bc4af808dcecd6) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::fib_0 ... ok [INFO] [stdout] test tests::fib_1 ... ok [INFO] [stdout] test tests::fib_2 ... ok [INFO] [stdout] test tests::fib_10 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/release/deps/guess-6dbd9758a05c0c24) [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] Running unittests src/lib.rs (/opt/rustwide/target/release/deps/hello-993006d843c1a51a) [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] Running unittests src/main.rs (/opt/rustwide/target/release/deps/hello-7465a73c1bdf451e) [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/release/deps/impl_conflict-0691e0559ec9ed56) [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] [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] [stderr] Running unittests src/main.rs (/opt/rustwide/target/release/deps/largest-83de6b35fdb72ebb) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::float ... ok [INFO] [stdout] test tests::int ... ok [INFO] [stdout] test tests::single_element ... ok [INFO] [stdout] test tests::empty_not_allowed - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/release/deps/minigrep-7d1196f97db79152) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test test::no_match ... ok [INFO] [stdout] test test::all_match ... ok [INFO] [stdout] test test::empty_text ... ok [INFO] [stdout] test test::one_match ... ok [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/release/deps/minigrep-61a60c8364e2cb59) [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [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] Running unittests src/main.rs (/opt/rustwide/target/release/deps/temp_conv-0decd79511ead8c4) [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 hello [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 minigrep [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" "d42fa6cd03a41ea0062b6617d98d80c3266cf1699d7cadb6ef649c27b6909d31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d42fa6cd03a41ea0062b6617d98d80c3266cf1699d7cadb6ef649c27b6909d31", kill_on_drop: false }` [INFO] [stdout] d42fa6cd03a41ea0062b6617d98d80c3266cf1699d7cadb6ef649c27b6909d31