[INFO] cloning repository https://github.com/rocurley/rs-partition
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rocurley/rs-partition" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frocurley%2Frs-partition", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frocurley%2Frs-partition'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ad2e2578e98dfc35e7bf7257cb3c740d78e169f
[INFO] checking rocurley/rs-partition against try#14e4661efa5acbf985e4fe564baae04683366cc1 for pr-157696
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frocurley%2Frs-partition" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rocurley/rs-partition
[INFO] finished tweaking git repo https://github.com/rocurley/rs-partition
[INFO] tweaked toml for git repo https://github.com/rocurley/rs-partition written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rocurley/rs-partition on toolchain 14e4661efa5acbf985e4fe564baae04683366cc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rocurley/rs-partition 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" "+14e4661efa5acbf985e4fe564baae04683366cc1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `rs-partition` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.2.14
[INFO] [stderr]   Downloaded structopt-derive v0.2.14
[INFO] [stderr]   Downloaded heck v0.3.1
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.1
[INFO] [stderr]   Downloaded spin v0.4.10
[INFO] [stderr]   Downloaded num v0.2.0
[INFO] [stderr]   Downloaded tempfile v3.0.6
[INFO] [stderr]   Downloaded error-chain v0.5.0
[INFO] [stderr]   Downloaded backtrace v0.2.3
[INFO] [stderr]   Downloaded dbghelp-sys v0.2.0
[INFO] [stderr]   Downloaded num-bigint v0.2.2
[INFO] [stderr]   Downloaded proptest v0.9.1
[INFO] [stderr]   Downloaded cpuprofiler v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e29cf37d1efaf49d0f08825c9e91bc777bd3d09ed8b0e2b48c3e203d674f9f1a
[INFO] running `Command { std: "docker" "start" "e29cf37d1efaf49d0f08825c9e91bc777bd3d09ed8b0e2b48c3e203d674f9f1a", 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" "e29cf37d1efaf49d0f08825c9e91bc777bd3d09ed8b0e2b48c3e203d674f9f1a" "/opt/rustwide/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e29cf37d1efaf49d0f08825c9e91bc777bd3d09ed8b0e2b48c3e203d674f9f1a", 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=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e29cf37d1efaf49d0f08825c9e91bc777bd3d09ed8b0e2b48c3e203d674f9f1a" "/opt/rustwide/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `rs-partition` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_pcg v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking bit-set v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking wait-timeout v0.1.5
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking tempfile v3.0.6
[INFO] [stderr]     Checking rusty-fork v0.2.1
[INFO] [stderr]     Checking error-chain v0.5.0
[INFO] [stderr]     Checking cpuprofiler v0.0.3
[INFO] [stderr]     Checking proptest v0.9.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking rs-partition v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/subset.rs:72:56
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn all_subsets<T: Arith>(elements: &[T]) -> Option<(Vec<Subset<T, u64>>)> {
[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] 72 - pub fn all_subsets<T: Arith>(elements: &[T]) -> Option<(Vec<Subset<T, u64>>)> {
[INFO] [stdout] 72 + pub fn all_subsets<T: Arith>(elements: &[T]) -> Option<Vec<Subset<T, u64>> > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `nll` has been stable since 1.63.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `range_contains` has been stable since 1.35.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(range_contains)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `range_is_empty` has been stable since 1.47.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(range_is_empty)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/brute.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | ) -> Box<Iterator<Item = Vec<Subset<T, u64>>> + 'a> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <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] 10 | ) -> Box<dyn Iterator<Item = Vec<Subset<T, u64>>> + 'a> {
[INFO] [stdout]    |          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/ess.rs:194:17
[INFO] [stdout]     |
[INFO] [stdout] 194 |     ) -> Option<(Vec<Subset<T, u64>>)> {
[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] 194 -     ) -> Option<(Vec<Subset<T, u64>>)> {
[INFO] [stdout] 194 +     ) -> Option<Vec<Subset<T, u64>> > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/subset.rs:72:56
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn all_subsets<T: Arith>(elements: &[T]) -> Option<(Vec<Subset<T, u64>>)> {
[INFO] [stdout]    |                                                        ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 72 - pub fn all_subsets<T: Arith>(elements: &[T]) -> Option<(Vec<Subset<T, u64>>)> {
[INFO] [stdout] 72 + pub fn all_subsets<T: Arith>(elements: &[T]) -> Option<Vec<Subset<T, u64>> > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `nll` has been stable since 1.63.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `range_contains` has been stable since 1.35.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(range_contains)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `range_is_empty` has been stable since 1.47.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(range_is_empty)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/brute.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | ) -> Box<Iterator<Item = Vec<Subset<T, u64>>> + 'a> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <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] 10 | ) -> Box<dyn Iterator<Item = Vec<Subset<T, u64>>> + 'a> {
[INFO] [stdout]    |          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `total` and `n_partitions` are never read
[INFO] [stdout]   --> src/gcc.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Constants<T: Arith> {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 23 |     total: T,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 24 |     n_partitions: T,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Constants` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `test` is declared but not used
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `total` and `n_partitions` are never read
[INFO] [stdout]   --> src/gcc.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Constants<T: Arith> {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 23 |     total: T,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 24 |     n_partitions: T,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Constants` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.61s
[INFO] running `Command { std: "docker" "inspect" "e29cf37d1efaf49d0f08825c9e91bc777bd3d09ed8b0e2b48c3e203d674f9f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e29cf37d1efaf49d0f08825c9e91bc777bd3d09ed8b0e2b48c3e203d674f9f1a", kill_on_drop: false }`
[INFO] [stdout] e29cf37d1efaf49d0f08825c9e91bc777bd3d09ed8b0e2b48c3e203d674f9f1a
