[INFO] fetching crate nonogrid 0.7.3...
[INFO] fixing nonogrid-0.7.3 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate nonogrid 0.7.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate nonogrid 0.7.3
[INFO] finished tweaking crates.io crate nonogrid 0.7.3
[INFO] tweaked toml for crates.io crate nonogrid 0.7.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nonogrid 0.7.3 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nonogrid 0.7.3 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `env_logger` dependency)
[INFO] [stderr] warning: `nonogrid` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 231a178912871fa0bc9014c84d54e40f97c041702b66a8e973494e5409b6602b
[INFO] running `Command { std: "docker" "start" "231a178912871fa0bc9014c84d54e40f97c041702b66a8e973494e5409b6602b", 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" "231a178912871fa0bc9014c84d54e40f97c041702b66a8e973494e5409b6602b" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "231a178912871fa0bc9014c84d54e40f97c041702b66a8e973494e5409b6602b", 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=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "231a178912871fa0bc9014c84d54e40f97c041702b66a8e973494e5409b6602b" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr] warning: Cargo.toml: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `env_logger` dependency)
[INFO] [stderr] warning: `nonogrid` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling priority-queue v1.2.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking const-random v0.1.13
[INFO] [stderr]     Checking ahash v0.2.19
[INFO] [stderr]     Checking ordered-float v2.8.0
[INFO] [stderr]     Checking lru v0.5.3
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking nonogrid v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/infer.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/solving.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/spoj/main.rs from 2018 edition to 2021
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.46s
[INFO] [stderr] crater-edition-check: nonogrid v0.7.3 (/opt/rustwide/workdir) updating edition from 2018 to 2021
[INFO] [stderr] warning: Cargo.toml: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `env_logger` dependency)
[INFO] [stderr] warning: `nonogrid` (manifest) generated 1 warning
[INFO] [stderr]     Checking nonogrid v0.7.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `box_pointers` has been removed: it does not detect other kinds of allocations, and existed only for historical reasons
[INFO] [stdout]   --> src/lib.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![allow(box_pointers)]
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `indirect_structural_match` has been removed: converted into hard error, see RFC #3535 <https://rust-lang.github.io/rfcs/3535-constants-in-patterns.html> for more information
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![warn(indirect_structural_match)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `pointer_structural_match` has been removed: converted into hard error, see RFC #3535 <https://rust-lang.github.io/rfcs/3535-constants-in-patterns.html> for more information
[INFO] [stdout]   --> src/lib.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | #![warn(pointer_structural_match)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `unaligned_references` has been removed: converted into hard error, see issue #82523 <https://github.com/rust-lang/rust/issues/82523> for more information
[INFO] [stdout]   --> src/lib.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | #![warn(unaligned_references)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `box_pointers` has been removed: it does not detect other kinds of allocations, and existed only for historical reasons
[INFO] [stdout]   --> src/lib.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![allow(box_pointers)]
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `indirect_structural_match` has been removed: converted into hard error, see RFC #3535 <https://rust-lang.github.io/rfcs/3535-constants-in-patterns.html> for more information
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![warn(indirect_structural_match)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `pointer_structural_match` has been removed: converted into hard error, see RFC #3535 <https://rust-lang.github.io/rfcs/3535-constants-in-patterns.html> for more information
[INFO] [stdout]   --> src/lib.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | #![warn(pointer_structural_match)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `unaligned_references` has been removed: converted into hard error, see issue #82523 <https://github.com/rust-lang/rust/issues/82523> for more information
[INFO] [stdout]   --> src/lib.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | #![warn(unaligned_references)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `cache_remove` and `cache_clear` are never used
[INFO] [stdout]   --> src/cache.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub trait Cached<K, V> {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 10 |     fn cache_remove(&mut self, k: &K) -> Option<V>;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 11 |     fn cache_clear(&mut self);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Stripper` is never used
[INFO] [stdout]    --> src/utils.rs:265:11
[INFO] [stdout]     |
[INFO] [stdout] 265 | pub trait Stripper<P> {
[INFO] [stdout]     |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::intrinsics`: import this function via `std::ptr` instead
[INFO] [stdout]    --> examples/spoj/main.rs:189:30
[INFO] [stdout]     |
[INFO] [stdout] 189 |         use std::intrinsics::copy_nonoverlapping;
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> examples/spoj/main.rs:460:18
[INFO] [stdout]     |
[INFO] [stdout] 460 |     fn iter_rows(&self) -> Chunks<BW> {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 460 |     fn iter_rows(&self) -> Chunks<'_, BW> {
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> examples/spoj/main.rs:968:18
[INFO] [stdout]     |
[INFO] [stdout] 968 |         fn board(&self) -> BoardRef {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 968 |         fn board(&self) -> BoardRef<'_> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> examples/spoj/main.rs:1274:18
[INFO] [stdout]      |
[INFO] [stdout] 1274 |         fn board(&self) -> BoardRef {
[INFO] [stdout]      |                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                  |
[INFO] [stdout]      |                  the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1274 |         fn board(&self) -> BoardRef<'_> {
[INFO] [stdout]      |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> examples/spoj/main.rs:1361:18
[INFO] [stdout]      |
[INFO] [stdout] 1361 |         fn board(&self) -> BoardRef {
[INFO] [stdout]      |                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                  |
[INFO] [stdout]      |                  the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1361 |         fn board(&self) -> BoardRef<'_> {
[INFO] [stdout]      |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `cache_remove` and `cache_clear` are never used
[INFO] [stdout]   --> src/cache.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub trait Cached<K, V> {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 10 |     fn cache_remove(&mut self, k: &K) -> Option<V>;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 11 |     fn cache_clear(&mut self);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Stripper` is never used
[INFO] [stdout]    --> src/utils.rs:265:11
[INFO] [stdout]     |
[INFO] [stdout] 265 | pub trait Stripper<P> {
[INFO] [stdout]     |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `cache_remove` and `cache_clear` are never used
[INFO] [stdout]   --> src/cache.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub trait Cached<K, V> {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 10 |     fn cache_remove(&mut self, k: &K) -> Option<V>;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 11 |     fn cache_clear(&mut self);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct ParseError(pub String);
[INFO] [stdout]    |            ---------- ^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse_rc` is never used
[INFO] [stdout]   --> src/parser.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub trait BoardParser: fmt::Debug {
[INFO] [stdout]    |           ----------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn parse_rc<B>(&self) -> MutRc<Board<B>>
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LocalReader` is never used
[INFO] [stdout]   --> src/parser.rs:49:11
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub trait LocalReader: BoardParser {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Stripper` is never used
[INFO] [stdout]    --> src/utils.rs:265:11
[INFO] [stdout]     |
[INFO] [stdout] 265 | pub trait Stripper<P> {
[INFO] [stdout]     |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `cache_remove` and `cache_clear` are never used
[INFO] [stdout]   --> src/cache.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub trait Cached<K, V> {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 10 |     fn cache_remove(&mut self, k: &K) -> Option<V>;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 11 |     fn cache_clear(&mut self);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct ParseError(pub String);
[INFO] [stdout]    |            ---------- ^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse_rc` is never used
[INFO] [stdout]   --> src/parser.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub trait BoardParser: fmt::Debug {
[INFO] [stdout]    |           ----------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn parse_rc<B>(&self) -> MutRc<Board<B>>
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LocalReader` is never used
[INFO] [stdout]   --> src/parser.rs:49:11
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub trait LocalReader: BoardParser {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Stripper` is never used
[INFO] [stdout]    --> src/utils.rs:265:11
[INFO] [stdout]     |
[INFO] [stdout] 265 | pub trait Stripper<P> {
[INFO] [stdout]     |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.02s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr] warning: Cargo.toml: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `env_logger` dependency)
[INFO] [stderr] warning: `nonogrid` (manifest) generated 1 warning
[INFO] [stderr]     Checking nonogrid v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/board.rs (1 fix)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/render.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         self.board()
[INFO] [stdout]     |         ^^^^^^^^^^^^ this temporary value will be dropped at the end of the block
[INFO] [stdout] ...
[INFO] [stdout] 184 |     }
[INFO] [stdout]     |     - borrow might be used here, when `color_cache` is dropped and runs the destructor for type `hashbrown::HashMap<&<B as Block>::Color, std::string::String>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/solver/probing.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let board = self.board();
[INFO] [stdout]     |             -----
[INFO] [stdout]     |             |
[INFO] [stdout]     |             `board` calls a custom destructor
[INFO] [stdout]     |             `board` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 163 |                 self.board()
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                 up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 168 |     }
[INFO] [stdout]     |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/cell.rs:1582:0
[INFO] [stdout] note: `board` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/cell.rs:1582:0
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/utils.rs:115:23
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let mut return_err = on_empty_error;
[INFO] [stdout]     |                 --------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `return_err` calls a custom destructor
[INFO] [stdout]     |                 `return_err` will be dropped later as of Edition 2024
[INFO] [stdout] 113 |
[INFO] [stdout] 114 |             for x in self {
[INFO] [stdout]     |                      ----
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                      `#1` will be dropped later as of Edition 2024
[INFO] [stdout] 115 |                 match f(x) {
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |                       up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 119 |             }
[INFO] [stdout]     |             - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/render.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         self.board()
[INFO] [stdout]     |         ^^^^^^^^^^^^ this temporary value will be dropped at the end of the block
[INFO] [stdout] ...
[INFO] [stdout] 184 |     }
[INFO] [stdout]     |     - borrow might be used here, when `color_cache` is dropped and runs the destructor for type `hashbrown::HashMap<&<B as base::Block>::Color, std::string::String>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/solver/probing.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let board = self.board();
[INFO] [stdout]     |             -----
[INFO] [stdout]     |             |
[INFO] [stdout]     |             `board` calls a custom destructor
[INFO] [stdout]     |             `board` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 163 |                 self.board()
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                 up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 168 |     }
[INFO] [stdout]     |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/cell.rs:1582:0
[INFO] [stdout] note: `board` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/cell.rs:1582:0
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/utils.rs:115:23
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let mut return_err = on_empty_error;
[INFO] [stdout]     |                 --------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `return_err` calls a custom destructor
[INFO] [stdout]     |                 `return_err` will be dropped later as of Edition 2024
[INFO] [stdout] 113 |
[INFO] [stdout] 114 |             for x in self {
[INFO] [stdout]     |                      ----
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                      `#1` will be dropped later as of Edition 2024
[INFO] [stdout] 115 |                 match f(x) {
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |                       up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 119 |             }
[INFO] [stdout]     |             - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating src/main.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/solving.rs from 2021 edition to 2024
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/render.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         self.board()
[INFO] [stdout]     |         ^^^^^^^^^^^^ this temporary value will be dropped at the end of the block
[INFO] [stdout] ...
[INFO] [stdout] 184 |     }
[INFO] [stdout]     |     - borrow might be used here, when `color_cache` is dropped and runs the destructor for type `hashbrown::HashMap<&<B as base::Block>::Color, std::string::String>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/solver/probing.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let board = self.board();
[INFO] [stdout]     |             -----
[INFO] [stdout]     |             |
[INFO] [stdout]     |             `board` calls a custom destructor
[INFO] [stdout]     |             `board` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 163 |                 self.board()
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                 up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 168 |     }
[INFO] [stdout]     |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/cell.rs:1582:0
[INFO] [stdout] note: `board` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/cell.rs:1582:0
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/utils.rs:115:23
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let mut return_err = on_empty_error;
[INFO] [stdout]     |                 --------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `return_err` calls a custom destructor
[INFO] [stdout]     |                 `return_err` will be dropped later as of Edition 2024
[INFO] [stdout] 113 |
[INFO] [stdout] 114 |             for x in self {
[INFO] [stdout]     |                      ----
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                      `#1` will be dropped later as of Edition 2024
[INFO] [stdout] 115 |                 match f(x) {
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |                       up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 119 |             }
[INFO] [stdout]     |             - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/render.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         self.board()
[INFO] [stdout]     |         ^^^^^^^^^^^^ this temporary value will be dropped at the end of the block
[INFO] [stdout] ...
[INFO] [stdout] 184 |     }
[INFO] [stdout]     |     - borrow might be used here, when `color_cache` is dropped and runs the destructor for type `hashbrown::HashMap<&<B as Block>::Color, std::string::String>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/solver/probing.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let board = self.board();
[INFO] [stdout]     |             -----
[INFO] [stdout]     |             |
[INFO] [stdout]     |             `board` calls a custom destructor
[INFO] [stdout]     |             `board` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 163 |                 self.board()
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                 up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 168 |     }
[INFO] [stdout]     |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/cell.rs:1582:0
[INFO] [stdout] note: `board` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/cell.rs:1582:0
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/utils.rs:115:23
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let mut return_err = on_empty_error;
[INFO] [stdout]     |                 --------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `return_err` calls a custom destructor
[INFO] [stdout]     |                 `return_err` will be dropped later as of Edition 2024
[INFO] [stdout] 113 |
[INFO] [stdout] 114 |             for x in self {
[INFO] [stdout]     |                      ----
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                      `#1` will be dropped later as of Edition 2024
[INFO] [stdout] 115 |                 match f(x) {
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |                       up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 119 |             }
[INFO] [stdout]     |             - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating tests/infer.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/spoj/main.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed examples/spoj/main.rs (2 fixes)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.97s
[INFO] [stderr] crater-edition-check: nonogrid v0.7.3 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr] error: failed to parse manifest at `/opt/rustwide/workdir/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   `default_features` is unsupported as of the 2024 edition; instead use `default-features`
[INFO] [stderr]   (in the `env_logger` dependency)
[INFO] running `Command { std: "docker" "inspect" "231a178912871fa0bc9014c84d54e40f97c041702b66a8e973494e5409b6602b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "231a178912871fa0bc9014c84d54e40f97c041702b66a8e973494e5409b6602b", kill_on_drop: false }`
[INFO] [stdout] 231a178912871fa0bc9014c84d54e40f97c041702b66a8e973494e5409b6602b
