[INFO] fetching crate rusty_checker 0.1.4...
[INFO] testing rusty_checker-0.1.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rusty_checker 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rusty_checker 0.1.4
[INFO] finished tweaking crates.io crate rusty_checker 0.1.4
[INFO] tweaked toml for crates.io crate rusty_checker 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty_checker 0.1.4 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 crates.io crate rusty_checker 0.1.4 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ac6a524de6c6a4020b13e678bc37d9014c8efbc987889e01d1824de63ffab676
[INFO] running `Command { std: "docker" "start" "-a" "ac6a524de6c6a4020b13e678bc37d9014c8efbc987889e01d1824de63ffab676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac6a524de6c6a4020b13e678bc37d9014c8efbc987889e01d1824de63ffab676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6a524de6c6a4020b13e678bc37d9014c8efbc987889e01d1824de63ffab676", kill_on_drop: false }`
[INFO] [stdout] ac6a524de6c6a4020b13e678bc37d9014c8efbc987889e01d1824de63ffab676
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1893382faf9d2087f40719d06cd0118e2b06100e7b8edd8972745c5997d25677
[INFO] running `Command { std: "docker" "start" "-a" "1893382faf9d2087f40719d06cd0118e2b06100e7b8edd8972745c5997d25677", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling clap_builder v4.5.44
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling ctrlc v3.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling clap_derive v4.5.45
[INFO] [stderr]    Compiling clap v4.5.45
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling rusty_checker v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> src/main.rs:278:27
[INFO] [stdout]     |
[INFO] [stdout] 278 |             let idx = rng.gen_range(0..memory.len());
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pattern_id` is never read
[INFO] [stdout]   --> src/main.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct ErrorLocation {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pattern_id: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ErrorLocation` has derived impls for the traits `Clone` and `Debug`, but these are 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: fields `hammer_count`, `step_size`, `total_tests`, `test_duration`, and `error_locations` are never read
[INFO] [stdout]   --> src/main.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | struct TestResults {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 88 |     hammer_count: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 89 |     step_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 90 |     total_tests: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 91 |     anomalies_found: usize,
[INFO] [stdout] 92 |     test_duration: Duration,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 93 |     memory_bandwidth_mbps: f64,
[INFO] [stdout] 94 |     error_locations: Vec<ErrorLocation>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestResults` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.01s
[INFO] running `Command { std: "docker" "inspect" "1893382faf9d2087f40719d06cd0118e2b06100e7b8edd8972745c5997d25677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1893382faf9d2087f40719d06cd0118e2b06100e7b8edd8972745c5997d25677", kill_on_drop: false }`
[INFO] [stdout] 1893382faf9d2087f40719d06cd0118e2b06100e7b8edd8972745c5997d25677
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f0fe5eaf31bc736042634c804a4614f843d14eb300a845f276462caf538c9245
[INFO] running `Command { std: "docker" "start" "-a" "f0fe5eaf31bc736042634c804a4614f843d14eb300a845f276462caf538c9245", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty_checker v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> src/main.rs:278:27
[INFO] [stdout]     |
[INFO] [stdout] 278 |             let idx = rng.gen_range(0..memory.len());
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pattern_id` is never read
[INFO] [stdout]   --> src/main.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct ErrorLocation {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pattern_id: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ErrorLocation` has derived impls for the traits `Clone` and `Debug`, but these are 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: fields `hammer_count`, `step_size`, `total_tests`, `test_duration`, and `error_locations` are never read
[INFO] [stdout]   --> src/main.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | struct TestResults {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 88 |     hammer_count: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 89 |     step_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 90 |     total_tests: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 91 |     anomalies_found: usize,
[INFO] [stdout] 92 |     test_duration: Duration,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 93 |     memory_bandwidth_mbps: f64,
[INFO] [stdout] 94 |     error_locations: Vec<ErrorLocation>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestResults` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "f0fe5eaf31bc736042634c804a4614f843d14eb300a845f276462caf538c9245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0fe5eaf31bc736042634c804a4614f843d14eb300a845f276462caf538c9245", kill_on_drop: false }`
[INFO] [stdout] f0fe5eaf31bc736042634c804a4614f843d14eb300a845f276462caf538c9245
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 358e1ae1d653079dcabe67d8d41dcb3a19f09a906f63e732dad1c7218bce6def
[INFO] running `Command { std: "docker" "start" "-a" "358e1ae1d653079dcabe67d8d41dcb3a19f09a906f63e732dad1c7218bce6def", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stderr]    --> src/main.rs:278:27
[INFO] [stderr]     |
[INFO] [stderr] 278 |             let idx = rng.gen_range(0..memory.len());
[INFO] [stderr]     |                           ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `pattern_id` is never read
[INFO] [stderr]   --> src/main.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 77 | struct ErrorLocation {
[INFO] [stderr]    |        ------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 81 |     pattern_id: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ErrorLocation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `hammer_count`, `step_size`, `total_tests`, `test_duration`, and `error_locations` are never read
[INFO] [stderr]   --> src/main.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 85 | struct TestResults {
[INFO] [stderr]    |        ----------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 88 |     hammer_count: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 89 |     step_size: usize,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 90 |     total_tests: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 91 |     anomalies_found: usize,
[INFO] [stderr] 92 |     test_duration: Duration,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 93 |     memory_bandwidth_mbps: f64,
[INFO] [stderr] 94 |     error_locations: Vec<ErrorLocation>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TestResults` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty_checker` (bin "rusty_checker" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusty_checker-8ea49a47bf94a542)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "358e1ae1d653079dcabe67d8d41dcb3a19f09a906f63e732dad1c7218bce6def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "358e1ae1d653079dcabe67d8d41dcb3a19f09a906f63e732dad1c7218bce6def", kill_on_drop: false }`
[INFO] [stdout] 358e1ae1d653079dcabe67d8d41dcb3a19f09a906f63e732dad1c7218bce6def
