[INFO] cloning repository https://github.com/livelybug/rust-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/livelybug/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flivelybug%2Frust-practice", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dde1e064f5a4f3d1fb1c0306afd8ed1d5626b957
[INFO] testing livelybug/rust-practice against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flivelybug%2Frust-practice" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/livelybug/rust-practice
[INFO] finished tweaking git repo https://github.com/livelybug/rust-practice
[INFO] tweaked toml for git repo https://github.com/livelybug/rust-practice written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/livelybug/rust-practice on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/livelybug/rust-practice 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 0bef31f1369c845dbca53d2ff693825ea26c8d9c40c21ea58acc4b6a688a3746
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[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/basis/functions.rs:71:26
[INFO] [stdout]    |
[INFO] [stdout] 71 |             .filter(|&x| (x %2 == 0))
[INFO] [stdout]    |                          ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -             .filter(|&x| (x %2 == 0))
[INFO] [stdout] 71 +             .filter(|&x| x %2 == 0)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/basis/traits.rs:155:34
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn print_dispatch_dynamic(disp: &Summable<i32>) {
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn print_dispatch_dynamic(disp: &dyn Summable<i32>) {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/basis/traits.rs:187:18
[INFO] [stdout]     |
[INFO] [stdout] 187 |     let shapes:[&Shape; 2] = [&s1, &c1];
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 187 |     let shapes:[&dyn Shape; 2] = [&s1, &c1];
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/basis/traits.rs:215:29
[INFO] [stdout]     |
[INFO] [stdout] 215 |     let mut shapes2:Vec<Box<Shape>> = Vec::new();
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 215 |     let mut shapes2:Vec<Box<dyn Shape>> = Vec::new();
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/basis/data_structure.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Color::Cmyk{cyan:_, magenta:_, yellow:_, black:255} => println!("color is black"),
[INFO] [stdout]    |         --------------------------------------------------- matches all the relevant values
[INFO] [stdout] 34 |         Color::Cmyk{black:255, ..} => println!("color is black"),  // means the same as the line above, cause unreachable pattern warning
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/main.rs:66:26
[INFO] [stdout]    |
[INFO] [stdout] 66 |         println!("= {}", Z);
[INFO] [stdout]    |                          ^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "0bef31f1369c845dbca53d2ff693825ea26c8d9c40c21ea58acc4b6a688a3746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bef31f1369c845dbca53d2ff693825ea26c8d9c40c21ea58acc4b6a688a3746", kill_on_drop: false }`
[INFO] [stdout] 0bef31f1369c845dbca53d2ff693825ea26c8d9c40c21ea58acc4b6a688a3746
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b21516e7c1fe5a054d133ab186d062a44142f4f3b7b5c938906f365c4b7b614
[INFO] running `Command { std: "docker" "start" "-a" "2b21516e7c1fe5a054d133ab186d062a44142f4f3b7b5c938906f365c4b7b614", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/basis/functions.rs:71:26
[INFO] [stdout]    |
[INFO] [stdout] 71 |             .filter(|&x| (x %2 == 0))
[INFO] [stdout]    |                          ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -             .filter(|&x| (x %2 == 0))
[INFO] [stdout] 71 +             .filter(|&x| x %2 == 0)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/basis/traits.rs:155:34
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn print_dispatch_dynamic(disp: &Summable<i32>) {
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn print_dispatch_dynamic(disp: &dyn Summable<i32>) {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/basis/traits.rs:187:18
[INFO] [stdout]     |
[INFO] [stdout] 187 |     let shapes:[&Shape; 2] = [&s1, &c1];
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 187 |     let shapes:[&dyn Shape; 2] = [&s1, &c1];
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/basis/traits.rs:215:29
[INFO] [stdout]     |
[INFO] [stdout] 215 |     let mut shapes2:Vec<Box<Shape>> = Vec::new();
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 215 |     let mut shapes2:Vec<Box<dyn Shape>> = Vec::new();
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/basis/data_structure.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Color::Cmyk{cyan:_, magenta:_, yellow:_, black:255} => println!("color is black"),
[INFO] [stdout]    |         --------------------------------------------------- matches all the relevant values
[INFO] [stdout] 34 |         Color::Cmyk{black:255, ..} => println!("color is black"),  // means the same as the line above, cause unreachable pattern warning
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/main.rs:66:26
[INFO] [stdout]    |
[INFO] [stdout] 66 |         println!("= {}", Z);
[INFO] [stdout]    |                          ^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "2b21516e7c1fe5a054d133ab186d062a44142f4f3b7b5c938906f365c4b7b614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b21516e7c1fe5a054d133ab186d062a44142f4f3b7b5c938906f365c4b7b614", kill_on_drop: false }`
[INFO] [stdout] 2b21516e7c1fe5a054d133ab186d062a44142f4f3b7b5c938906f365c4b7b614
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8fc3309b24f0d9f29f695e663c9bd4cda9c337d69338090592f0068a8d42eb8b
[INFO] running `Command { std: "docker" "start" "-a" "8fc3309b24f0d9f29f695e663c9bd4cda9c337d69338090592f0068a8d42eb8b", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/basis/functions.rs:71:26
[INFO] [stderr]    |
[INFO] [stderr] 71 |             .filter(|&x| (x %2 == 0))
[INFO] [stderr]    |                          ^         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 71 -             .filter(|&x| (x %2 == 0))
[INFO] [stderr] 71 +             .filter(|&x| x %2 == 0)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/basis/traits.rs:155:34
[INFO] [stderr]     |
[INFO] [stderr] 155 | fn print_dispatch_dynamic(disp: &Summable<i32>) {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 155 | fn print_dispatch_dynamic(disp: &dyn Summable<i32>) {
[INFO] [stderr]     |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/basis/traits.rs:187:18
[INFO] [stderr]     |
[INFO] [stderr] 187 |     let shapes:[&Shape; 2] = [&s1, &c1];
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 187 |     let shapes:[&dyn Shape; 2] = [&s1, &c1];
[INFO] [stderr]     |                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/basis/traits.rs:215:29
[INFO] [stderr]     |
[INFO] [stderr] 215 |     let mut shapes2:Vec<Box<Shape>> = Vec::new();
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 215 |     let mut shapes2:Vec<Box<dyn Shape>> = Vec::new();
[INFO] [stderr]     |                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/basis/data_structure.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         Color::Cmyk{cyan:_, magenta:_, yellow:_, black:255} => println!("color is black"),
[INFO] [stderr]    |         --------------------------------------------------- matches all the relevant values
[INFO] [stderr] 34 |         Color::Cmyk{black:255, ..} => println!("color is black"),  // means the same as the line above, cause unreachable pattern warning
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: creating a shared reference to mutable static
[INFO] [stderr]   --> src/main.rs:66:26
[INFO] [stderr]    |
[INFO] [stderr] 66 |         println!("= {}", Z);
[INFO] [stderr]    |                          ^ shared reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hello` (bin "hello" test) generated 6 warnings (run `cargo fix --bin "hello" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello-136bd1c70aeb506d)
[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" "8fc3309b24f0d9f29f695e663c9bd4cda9c337d69338090592f0068a8d42eb8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fc3309b24f0d9f29f695e663c9bd4cda9c337d69338090592f0068a8d42eb8b", kill_on_drop: false }`
[INFO] [stdout] 8fc3309b24f0d9f29f695e663c9bd4cda9c337d69338090592f0068a8d42eb8b
