[INFO] cloning repository https://github.com/HCO168/hco_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HCO168/hco_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHCO168%2Fhco_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHCO168%2Fhco_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] be77ec0eb306246bde84a2f5d92abc87a6b151f9 [INFO] checking HCO168/hco_rust against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHCO168%2Fhco_rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/HCO168/hco_rust [INFO] finished tweaking git repo https://github.com/HCO168/hco_rust [INFO] tweaked toml for git repo https://github.com/HCO168/hco_rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/HCO168/hco_rust on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/HCO168/hco_rust 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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e0ee310dfc7d761a2cf6bcc92c144fa78535428e591869fe2d020fc15bd24a9 [INFO] running `Command { std: "docker" "start" "-a" "0e0ee310dfc7d761a2cf6bcc92c144fa78535428e591869fe2d020fc15bd24a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e0ee310dfc7d761a2cf6bcc92c144fa78535428e591869fe2d020fc15bd24a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e0ee310dfc7d761a2cf6bcc92c144fa78535428e591869fe2d020fc15bd24a9", kill_on_drop: false }` [INFO] [stdout] 0e0ee310dfc7d761a2cf6bcc92c144fa78535428e591869fe2d020fc15bd24a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 19b4bcdb9fd28645d99f8ff053390fee4a88ce7761bf7df251d64f1e6d560555 [INFO] running `Command { std: "docker" "start" "-a" "19b4bcdb9fd28645d99f8ff053390fee4a88ce7761bf7df251d64f1e6d560555", kill_on_drop: false }` [INFO] [stderr] Checking lib v0.0.3-1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `HasSign` [INFO] [stdout] --> src/math/fraction.rs:297:49 [INFO] [stdout] | [INFO] [stdout] 297 | use crate::math::{Fraction, HasPartialSign, HasSign, IsInf, NegInf, PosInf}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Neg` [INFO] [stdout] --> src/math/traits/mul.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ops::Neg; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Neg` [INFO] [stdout] --> src/math/traits/mul.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ops::Neg; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/datas/map.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 84 | fn all(&self) -> Vec<(&K, &V)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 85 | BTreeMap::all(self) [INFO] [stdout] | ------------------- recursive call site [INFO] [stdout] | [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] = note: `#[warn(unconditional_recursion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/datas/map.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 84 | fn all(&self) -> Vec<(&K, &V)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 85 | BTreeMap::all(self) [INFO] [stdout] | ------------------- recursive call site [INFO] [stdout] | [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] = note: `#[warn(unconditional_recursion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: specialization is experimental [INFO] [stdout] --> src/math/traits/int.rs:168:5 [INFO] [stdout] | [INFO] [stdout] 168 | default fn gcd(self, other: Self) -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: add `#![feature(specialization)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-05-31; consider upgrading it if it is out of date [INFO] [stdout] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stdout] = note: for more information, see issue #154045 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: specialization is experimental [INFO] [stdout] --> src/math/traits/int.rs:168:5 [INFO] [stdout] | [INFO] [stdout] 168 | default fn gcd(self, other: Self) -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: add `#![feature(specialization)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-05-31; consider upgrading it if it is out of date [INFO] [stdout] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stdout] = note: for more information, see issue #154045 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.03s [INFO] running `Command { std: "docker" "inspect" "19b4bcdb9fd28645d99f8ff053390fee4a88ce7761bf7df251d64f1e6d560555", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19b4bcdb9fd28645d99f8ff053390fee4a88ce7761bf7df251d64f1e6d560555", kill_on_drop: false }` [INFO] [stdout] 19b4bcdb9fd28645d99f8ff053390fee4a88ce7761bf7df251d64f1e6d560555