[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] fixing livelybug/rust-practice against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[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 }`
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[INFO] finished tweaking git repo https://github.com/livelybug/rust-practice
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
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[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)]` (part of `#[warn(unused)]`) 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)]` (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] 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: 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)]` (part of `#[warn(unused)]`) 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)]` (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] 155 | fn print_dispatch_dynamic(disp: &dyn Summable<i32>) {
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sum` is never read
[INFO] [stdout]   --> src/basis/functions.rs:65:31
[INFO] [stdout]    |
[INFO] [stdout] 65 |         else if isq % 2 == 0 {sum += isq;}
[INFO] [stdout]    |                               ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[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: 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: 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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sum` is never read
[INFO] [stdout]   --> src/basis/functions.rs:65:31
[INFO] [stdout]    |
[INFO] [stdout] 65 |         else if isq % 2 == 0 {sum += isq;}
[INFO] [stdout]    |                               ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) 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: 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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "83d668a03130bd6d6e618e35cb4c8fcb9fc2119aaea899622569da5d766ab457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83d668a03130bd6d6e618e35cb4c8fcb9fc2119aaea899622569da5d766ab457", kill_on_drop: false }`
[INFO] [stdout] 83d668a03130bd6d6e618e35cb4c8fcb9fc2119aaea899622569da5d766ab457
