[INFO] cloning repository https://github.com/miloofcroton/traits
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/miloofcroton/traits" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiloofcroton%2Ftraits", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiloofcroton%2Ftraits'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1f28c22af38f43f04410d30f571e28d16d92add
[INFO] testing miloofcroton/traits against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiloofcroton%2Ftraits" "/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/miloofcroton/traits
[INFO] finished tweaking git repo https://github.com/miloofcroton/traits
[INFO] tweaked toml for git repo https://github.com/miloofcroton/traits written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/miloofcroton/traits on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/miloofcroton/traits 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" "+beta-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 759ab30b6a479e3428c17bd9ba95efe098ba0d627b7e2d421f4209b348eba747
[INFO] running `Command { std: "docker" "start" "-a" "759ab30b6a479e3428c17bd9ba95efe098ba0d627b7e2d421f4209b348eba747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "759ab30b6a479e3428c17bd9ba95efe098ba0d627b7e2d421f4209b348eba747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "759ab30b6a479e3428c17bd9ba95efe098ba0d627b7e2d421f4209b348eba747", kill_on_drop: false }`
[INFO] [stdout] 759ab30b6a479e3428c17bd9ba95efe098ba0d627b7e2d421f4209b348eba747
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c7062181f3fa1f222a631a05f2d7b381fb9ec982d070a025be2c7c41d2be0f4
[INFO] running `Command { std: "docker" "start" "-a" "5c7062181f3fa1f222a631a05f2d7b381fb9ec982d070a025be2c7c41d2be0f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling traits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `b2`
[INFO] [stdout]   --> src/main.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 |   let b2 = Basket::new(1);
[INFO] [stdout]    |       ^^ help: if this is intentional, prefix it with an underscore: `_b2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b3`
[INFO] [stdout]   --> src/main.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 |   let b3 = Basket::new(true);
[INFO] [stdout]    |       ^^ help: if this is intentional, prefix it with an underscore: `_b3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]   --> src/main.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |   let s2 = Stack::new(vec![1, 2, 3]);
[INFO] [stdout]    |       ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `is_empty` are never used
[INFO] [stdout]  --> src/container.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Container<T> {
[INFO] [stdout]   |           --------- methods in this trait
[INFO] [stdout] 2 |   fn get(&mut self) -> Option<T>;
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 3 |   fn put(&mut self, item: T);
[INFO] [stdout] 4 |   fn is_empty(&self) -> bool;
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout]   |
[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 0.35s
[INFO] running `Command { std: "docker" "inspect" "5c7062181f3fa1f222a631a05f2d7b381fb9ec982d070a025be2c7c41d2be0f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c7062181f3fa1f222a631a05f2d7b381fb9ec982d070a025be2c7c41d2be0f4", kill_on_drop: false }`
[INFO] [stdout] 5c7062181f3fa1f222a631a05f2d7b381fb9ec982d070a025be2c7c41d2be0f4
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6670691ab9411b7030216f31cde36d79d71d269d7d307a3be5b838e3ca82caf6
[INFO] running `Command { std: "docker" "start" "-a" "6670691ab9411b7030216f31cde36d79d71d269d7d307a3be5b838e3ca82caf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling traits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `b2`
[INFO] [stdout]   --> src/main.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 |   let b2 = Basket::new(1);
[INFO] [stdout]    |       ^^ help: if this is intentional, prefix it with an underscore: `_b2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b3`
[INFO] [stdout]   --> src/main.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 |   let b3 = Basket::new(true);
[INFO] [stdout]    |       ^^ help: if this is intentional, prefix it with an underscore: `_b3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]   --> src/main.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |   let s2 = Stack::new(vec![1, 2, 3]);
[INFO] [stdout]    |       ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `is_empty` are never used
[INFO] [stdout]  --> src/container.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Container<T> {
[INFO] [stdout]   |           --------- methods in this trait
[INFO] [stdout] 2 |   fn get(&mut self) -> Option<T>;
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 3 |   fn put(&mut self, item: T);
[INFO] [stdout] 4 |   fn is_empty(&self) -> bool;
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "6670691ab9411b7030216f31cde36d79d71d269d7d307a3be5b838e3ca82caf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6670691ab9411b7030216f31cde36d79d71d269d7d307a3be5b838e3ca82caf6", kill_on_drop: false }`
[INFO] [stdout] 6670691ab9411b7030216f31cde36d79d71d269d7d307a3be5b838e3ca82caf6
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5b76dbe52acd9fdc4cc0f339ae6b5afeb668b7cbf233e2b73dae36e3a8f25883
[INFO] running `Command { std: "docker" "start" "-a" "5b76dbe52acd9fdc4cc0f339ae6b5afeb668b7cbf233e2b73dae36e3a8f25883", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `b2`
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:15:7
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 15 |   let b2 = Basket::new(1);
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |       ^^ help: if this is intentional, prefix it with an underscore: `_b2`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b3`
[INFO] [stderr]   --> src/main.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 |   let b3 = Basket::new(true);
[INFO] [stderr]    |       ^^ help: if this is intentional, prefix it with an underscore: `_b3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s2`
[INFO] [stderr]   --> src/main.rs:19:7
[INFO] [stderr]    |
[INFO] [stderr] 19 |   let s2 = Stack::new(vec![1, 2, 3]);
[INFO] [stderr]    |       ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get` and `is_empty` are never used
[INFO] [stderr]  --> src/container.rs:2:6
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait Container<T> {
[INFO] [stderr]   |           --------- methods in this trait
[INFO] [stderr] 2 |   fn get(&mut self) -> Option<T>;
[INFO] [stderr]   |      ^^^
[INFO] [stderr] 3 |   fn put(&mut self, item: T);
[INFO] [stderr] 4 |   fn is_empty(&self) -> bool;
[INFO] [stderr]   |      ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `traits` (bin "traits" test) generated 4 warnings (run `cargo fix --bin "traits" -p traits --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/traits-489fc51c299f958d)
[INFO] running `Command { std: "docker" "inspect" "5b76dbe52acd9fdc4cc0f339ae6b5afeb668b7cbf233e2b73dae36e3a8f25883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b76dbe52acd9fdc4cc0f339ae6b5afeb668b7cbf233e2b73dae36e3a8f25883", kill_on_drop: false }`
[INFO] [stdout] 5b76dbe52acd9fdc4cc0f339ae6b5afeb668b7cbf233e2b73dae36e3a8f25883
