[INFO] cloning repository https://github.com/wimpykid26/rust-examples [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wimpykid26/rust-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwimpykid26%2Frust-examples", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwimpykid26%2Frust-examples'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bff1d8f9f6d4c8f38a1297896ecc0afa4860467f [INFO] testing wimpykid26/rust-examples against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwimpykid26%2Frust-examples" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wimpykid26/rust-examples 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 git repo https://github.com/wimpykid26/rust-examples [INFO] finished tweaking git repo https://github.com/wimpykid26/rust-examples [INFO] tweaked toml for git repo https://github.com/wimpykid26/rust-examples written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/wimpykid26/rust-examples 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5c72db61c263633eb9c5a78450d03a7b31473536728545f728ebd736dfa274ab [INFO] running `Command { std: "docker" "start" "-a" "5c72db61c263633eb9c5a78450d03a7b31473536728545f728ebd736dfa274ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c72db61c263633eb9c5a78450d03a7b31473536728545f728ebd736dfa274ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c72db61c263633eb9c5a78450d03a7b31473536728545f728ebd736dfa274ab", kill_on_drop: false }` [INFO] [stdout] 5c72db61c263633eb9c5a78450d03a7b31473536728545f728ebd736dfa274ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b62ca82bc40744a603c95f532260cdaf8a56dd225e0c412c22d7d329b60252a0 [INFO] running `Command { std: "docker" "start" "-a" "b62ca82bc40744a603c95f532260cdaf8a56dd225e0c412c22d7d329b60252a0", kill_on_drop: false }` [INFO] [stderr] Compiling rust-examples v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/expressions/loops.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | 'inner: loop { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/expressions/match_cases.rs:58:14 [INFO] [stdout] | [INFO] [stdout] 58 | n @ 1...12 => println!("Age is {}", n), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [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] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/expressions/match_cases.rs:78:11 [INFO] [stdout] | [INFO] [stdout] 78 | 12...19 => println!("Teen"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/functions/closures.rs:19:27 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn return_fn() -> Box { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Fn()` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/expressions/loops.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 25 | break 'outer; [INFO] [stdout] | ------------ any code following this expression is unreachable [INFO] [stdout] 26 | } [INFO] [stdout] 27 | println!("This point will never be reached"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/expressions/match_cases.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | 1 | 2 | 3 => println!("This is either 1, 2 or 3"), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reference` [INFO] [stdout] --> src/expressions/match_cases.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | let ref reference = 5; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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" "b62ca82bc40744a603c95f532260cdaf8a56dd225e0c412c22d7d329b60252a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b62ca82bc40744a603c95f532260cdaf8a56dd225e0c412c22d7d329b60252a0", kill_on_drop: false }` [INFO] [stdout] b62ca82bc40744a603c95f532260cdaf8a56dd225e0c412c22d7d329b60252a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 32e232f9b2709024c2df31dcfe54ef981e079161b71b25bd5bd58065a7aaa115 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "32e232f9b2709024c2df31dcfe54ef981e079161b71b25bd5bd58065a7aaa115", kill_on_drop: false }` [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/expressions/loops.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | 'inner: loop { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rust-examples v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/expressions/match_cases.rs:58:14 [INFO] [stdout] | [INFO] [stdout] 58 | n @ 1...12 => println!("Age is {}", n), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [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] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/expressions/match_cases.rs:78:11 [INFO] [stdout] | [INFO] [stdout] 78 | 12...19 => println!("Teen"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/functions/closures.rs:19:27 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn return_fn() -> Box { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Fn()` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/expressions/loops.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 25 | break 'outer; [INFO] [stdout] | ------------ any code following this expression is unreachable [INFO] [stdout] 26 | } [INFO] [stdout] 27 | println!("This point will never be reached"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/expressions/match_cases.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | 1 | 2 | 3 => println!("This is either 1, 2 or 3"), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reference` [INFO] [stdout] --> src/expressions/match_cases.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | let ref reference = 5; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/expressions/loops.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | 'inner: loop { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/expressions/match_cases.rs:58:14 [INFO] [stdout] | [INFO] [stdout] 58 | n @ 1...12 => println!("Age is {}", n), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [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] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/expressions/match_cases.rs:78:11 [INFO] [stdout] | [INFO] [stdout] 78 | 12...19 => println!("Teen"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/functions/closures.rs:19:27 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn return_fn() -> Box { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Fn()` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/expressions/loops.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 25 | break 'outer; [INFO] [stdout] | ------------ any code following this expression is unreachable [INFO] [stdout] 26 | } [INFO] [stdout] 27 | println!("This point will never be reached"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/expressions/match_cases.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | 1 | 2 | 3 => println!("This is either 1, 2 or 3"), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reference` [INFO] [stdout] --> src/expressions/match_cases.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | let ref reference = 5; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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 1.12s [INFO] running `Command { std: "docker" "inspect" "32e232f9b2709024c2df31dcfe54ef981e079161b71b25bd5bd58065a7aaa115", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32e232f9b2709024c2df31dcfe54ef981e079161b71b25bd5bd58065a7aaa115", kill_on_drop: false }` [INFO] [stdout] 32e232f9b2709024c2df31dcfe54ef981e079161b71b25bd5bd58065a7aaa115 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 8bd59e15fee38cbdc03a9d9dcf1ea8d8bd47de33e3adeaeca1c2d914e33a2c17 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8bd59e15fee38cbdc03a9d9dcf1ea8d8bd47de33e3adeaeca1c2d914e33a2c17", kill_on_drop: false }` [INFO] [stderr] warning: unused label [INFO] [stderr] --> src/expressions/loops.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | 'inner: loop { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_labels)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/expressions/match_cases.rs:58:14 [INFO] [stderr] | [INFO] [stderr] 58 | n @ 1...12 => println!("Age is {}", n), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [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] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/expressions/match_cases.rs:78:11 [INFO] [stderr] | [INFO] [stderr] 78 | 12...19 => println!("Teen"), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [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] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/functions/closures.rs:19:27 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn return_fn() -> Box { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Fn()` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [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] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/expressions/loops.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 25 | break 'outer; [INFO] [stderr] | ------------ any code following this expression is unreachable [INFO] [stderr] 26 | } [INFO] [stderr] 27 | println!("This point will never be reached"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/expressions/match_cases.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | 1 | 2 | 3 => println!("This is either 1, 2 or 3"), [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `reference` [INFO] [stderr] --> src/expressions/match_cases.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | let ref reference = 5; [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rust-examples` (lib) generated 7 warnings [INFO] [stderr] warning: `rust-examples` (lib test) generated 7 warnings (7 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_examples-eda492e027c7976e) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_examples-c5e055fa90d8f143) [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 rust-examples [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] warning: `...` range patterns are deprecated [INFO] [stderr] --> /opt/rustwide/workdir/src/expressions/match_cases.rs:58:14 [INFO] [stderr] | [INFO] [stderr] 58 | n @ 1...12 => println!("Age is {}", n), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [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] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> /opt/rustwide/workdir/src/expressions/match_cases.rs:78:11 [INFO] [stderr] | [INFO] [stderr] 78 | 12...19 => println!("Teen"), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [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] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [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" "8bd59e15fee38cbdc03a9d9dcf1ea8d8bd47de33e3adeaeca1c2d914e33a2c17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bd59e15fee38cbdc03a9d9dcf1ea8d8bd47de33e3adeaeca1c2d914e33a2c17", kill_on_drop: false }` [INFO] [stdout] 8bd59e15fee38cbdc03a9d9dcf1ea8d8bd47de33e3adeaeca1c2d914e33a2c17