[INFO] cloning repository https://github.com/camsteffen/kenny
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/camsteffen/kenny" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamsteffen%2Fkenny", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamsteffen%2Fkenny'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c9b54bca810e72b9a845a3b958edaf283e94580
[INFO] checking camsteffen/kenny against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamsteffen%2Fkenny" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/camsteffen/kenny
[INFO] finished tweaking git repo https://github.com/camsteffen/kenny
[INFO] tweaked toml for git repo https://github.com/camsteffen/kenny written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/camsteffen/kenny on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/camsteffen/kenny 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64a9ada1403ac092d62f46517dc4a29e286af4c41cebef18b68efda5d2da9747
[INFO] running `Command { std: "docker" "start" "-a" "64a9ada1403ac092d62f46517dc4a29e286af4c41cebef18b68efda5d2da9747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64a9ada1403ac092d62f46517dc4a29e286af4c41cebef18b68efda5d2da9747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a9ada1403ac092d62f46517dc4a29e286af4c41cebef18b68efda5d2da9747", kill_on_drop: false }`
[INFO] [stdout] 64a9ada1403ac092d62f46517dc4a29e286af4c41cebef18b68efda5d2da9747
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8670e79a1babda7c33c115c5638582875bdede471dc910fd4e8827aa3f93d316
[INFO] running `Command { std: "docker" "start" "-a" "8670e79a1babda7c33c115c5638582875bdede471dc910fd4e8827aa3f93d316", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling syn v1.0.62
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking kenny v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/collections/vec_ext.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |         self.push_mut(Default::default())
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `VecExt::push_mut(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(push_mut)]` to the crate attributes to enable `Vec::<T, A>::push_mut`
[INFO] [stdout]   --> src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 + #![feature(push_mut)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/collections/vec_ext.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |         self.push_mut(Default::default())
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `VecExt::push_mut(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(push_mut)]` to the crate attributes to enable `Vec::<T, A>::push_mut`
[INFO] [stdout]   --> src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 + #![feature(push_mut)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/solve/cage_solutions.rs:210:18
[INFO] [stdout]     |
[INFO] [stdout] 210 |                 .collect_into(Vec::with_capacity(solved_cells.len()));
[INFO] [stdout]     |                  ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IteratorExt::collect_into(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(iter_collect_into)]` to the crate attributes to enable `collect_into`
[INFO] [stdout]    --> src/lib.rs:21:1
[INFO] [stdout]     |
[INFO] [stdout]  21 + #![feature(iter_collect_into)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/solve/cage_solutions.rs:210:18
[INFO] [stdout]     |
[INFO] [stdout] 210 |                 .collect_into(Vec::with_capacity(solved_cells.len()));
[INFO] [stdout]     |                  ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IteratorExt::collect_into(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(iter_collect_into)]` to the crate attributes to enable `collect_into`
[INFO] [stdout]    --> src/lib.rs:21:1
[INFO] [stdout]     |
[INFO] [stdout]  21 + #![feature(iter_collect_into)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/solve/constraint/unary_constraints.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |             .collect_into(Vec::with_capacity(cage.cell_count() - 1));
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `IteratorExt::collect_into(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(iter_collect_into)]` to the crate attributes to enable `collect_into`
[INFO] [stdout]   --> src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 + #![feature(iter_collect_into)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/solve/constraint/unary_constraints.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |             .collect_into(Vec::with_capacity(cage.cell_count() - 1));
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `IteratorExt::collect_into(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(iter_collect_into)]` to the crate attributes to enable `collect_into`
[INFO] [stdout]   --> src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 + #![feature(iter_collect_into)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_to` and `right_merge` are never used
[INFO] [stdout]   --> src/collections/iterator_ext.rs:8:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub(crate) trait IteratorExt: Iterator + Sized {
[INFO] [stdout]    |                  ----------- methods in this trait
[INFO] [stdout]  8 |     fn add_to<E>(self, e: &mut E)
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn right_merge<R>(self, right: R) -> LeftMerge<R::IntoIter, 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: methods `push_default_mut`, `push_mut`, `remove_indices`, `retain_indices`, and `retain_indices_copy` are never used
[INFO] [stdout]   --> src/collections/vec_ext.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout]  1 | pub(crate) trait VecExt<T> {
[INFO] [stdout]    |                  ------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout]  4 |     fn push_default_mut(&mut self) -> &mut T
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     fn push_mut(&mut self, value: T) -> &mut T;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 11 |
[INFO] [stdout] 12 |     fn remove_indices(&mut self, indices: &[usize]);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn retain_indices(&mut self, indices: &[usize]);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 21 |
[INFO] [stdout] 22 |     fn retain_indices_copy(&mut self, indices: &[usize])
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/solve/markup/changes.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl CellChanges {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 41 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `index` is never used
[INFO] [stdout]    --> src/parse/mod.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout]  99 | trait IndexedTokenExt<T>: Sized + Into<(usize, T)>
[INFO] [stdout]     |       --------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 125 |     fn index(self) -> usize;
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<Box<[T]> as IntoIterator>::into_iter` in Rust 2024
[INFO] [stdout]    --> src/solve/cage_solutions.rs:111:42
[INFO] [stdout]     |
[INFO] [stdout] 111 |         for (cage_id, cage_data) in data.into_iter().enumerate() {
[INFO] [stdout]     |                                          ^^^^^^^^^
[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/intoiterator-box-slice.html>
[INFO] [stdout]     = note: `#[warn(boxed_slice_into_iter)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 111 -         for (cage_id, cage_data) in data.into_iter().enumerate() {
[INFO] [stdout] 111 +         for (cage_id, cage_data) in data.iter().enumerate() {
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 111 -         for (cage_id, cage_data) in data.into_iter().enumerate() {
[INFO] [stdout] 111 +         for (cage_id, cage_data) in IntoIterator::into_iter(data).enumerate() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_to` is never used
[INFO] [stdout]  --> src/collections/iterator_ext.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) trait IteratorExt: Iterator + Sized {
[INFO] [stdout]   |                  ----------- method in this trait
[INFO] [stdout] 8 |     fn add_to<E>(self, e: &mut E)
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push_default_mut` and `push_mut` are never used
[INFO] [stdout]   --> src/collections/vec_ext.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout]  1 | pub(crate) trait VecExt<T> {
[INFO] [stdout]    |                  ------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout]  4 |     fn push_default_mut(&mut self) -> &mut T
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     fn push_mut(&mut self, value: T) -> &mut T;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `index` is never used
[INFO] [stdout]    --> src/parse/mod.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout]  99 | trait IndexedTokenExt<T>: Sized + Into<(usize, T)>
[INFO] [stdout]     |       --------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 125 |     fn index(self) -> usize;
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<Box<[T]> as IntoIterator>::into_iter` in Rust 2024
[INFO] [stdout]    --> src/solve/cage_solutions.rs:111:42
[INFO] [stdout]     |
[INFO] [stdout] 111 |         for (cage_id, cage_data) in data.into_iter().enumerate() {
[INFO] [stdout]     |                                          ^^^^^^^^^
[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/intoiterator-box-slice.html>
[INFO] [stdout]     = note: `#[warn(boxed_slice_into_iter)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 111 -         for (cage_id, cage_data) in data.into_iter().enumerate() {
[INFO] [stdout] 111 +         for (cage_id, cage_data) in data.iter().enumerate() {
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 111 -         for (cage_id, cage_data) in data.into_iter().enumerate() {
[INFO] [stdout] 111 +         for (cage_id, cage_data) in IntoIterator::into_iter(data).enumerate() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.40s
[INFO] running `Command { std: "docker" "inspect" "8670e79a1babda7c33c115c5638582875bdede471dc910fd4e8827aa3f93d316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8670e79a1babda7c33c115c5638582875bdede471dc910fd4e8827aa3f93d316", kill_on_drop: false }`
[INFO] [stdout] 8670e79a1babda7c33c115c5638582875bdede471dc910fd4e8827aa3f93d316
