[INFO] cloning repository https://github.com/UMM-CSci-4611-S25/pi_estimation_channels
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/UMM-CSci-4611-S25/pi_estimation_channels" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUMM-CSci-4611-S25%2Fpi_estimation_channels", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUMM-CSci-4611-S25%2Fpi_estimation_channels'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d6b0773f17387bf74eeb7c4a0d533e5c7b3e790
[INFO] testing UMM-CSci-4611-S25/pi_estimation_channels against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUMM-CSci-4611-S25%2Fpi_estimation_channels" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/UMM-CSci-4611-S25/pi_estimation_channels
[INFO] finished tweaking git repo https://github.com/UMM-CSci-4611-S25/pi_estimation_channels
[INFO] tweaked toml for git repo https://github.com/UMM-CSci-4611-S25/pi_estimation_channels written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/UMM-CSci-4611-S25/pi_estimation_channels on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/UMM-CSci-4611-S25/pi_estimation_channels 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-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0a3fce62281ada2a1ad79840c24e4f453b00e1b87247b72fb65358af0d74961
[INFO] running `Command { std: "docker" "start" "-a" "c0a3fce62281ada2a1ad79840c24e4f453b00e1b87247b72fb65358af0d74961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0a3fce62281ada2a1ad79840c24e4f453b00e1b87247b72fb65358af0d74961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a3fce62281ada2a1ad79840c24e4f453b00e1b87247b72fb65358af0d74961", kill_on_drop: false }`
[INFO] [stdout] c0a3fce62281ada2a1ad79840c24e4f453b00e1b87247b72fb65358af0d74961
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42af24c5f8b0603a3201eb0ad8a3bfe49b6e9c29749cbe44c02817f309a97887
[INFO] running `Command { std: "docker" "start" "-a" "42af24c5f8b0603a3201eb0ad8a3bfe49b6e9c29749cbe44c02817f309a97887", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling clap_builder v4.5.38
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling clap v4.5.38
[INFO] [stderr]    Compiling pi_estimation_channels v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.45s
[INFO] running `Command { std: "docker" "inspect" "42af24c5f8b0603a3201eb0ad8a3bfe49b6e9c29749cbe44c02817f309a97887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42af24c5f8b0603a3201eb0ad8a3bfe49b6e9c29749cbe44c02817f309a97887", kill_on_drop: false }`
[INFO] [stdout] 42af24c5f8b0603a3201eb0ad8a3bfe49b6e9c29749cbe44c02817f309a97887
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d985dc7df4d0f2cdc05d63fddb6a2773302b1a9877d1c908434000b9a200abc2
[INFO] running `Command { std: "docker" "start" "-a" "d985dc7df4d0f2cdc05d63fddb6a2773302b1a9877d1c908434000b9a200abc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling pi_estimation_channels v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "d985dc7df4d0f2cdc05d63fddb6a2773302b1a9877d1c908434000b9a200abc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d985dc7df4d0f2cdc05d63fddb6a2773302b1a9877d1c908434000b9a200abc2", kill_on_drop: false }`
[INFO] [stdout] d985dc7df4d0f2cdc05d63fddb6a2773302b1a9877d1c908434000b9a200abc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ad118cc662db27215284cd3d55b7065fab4a85fa9a95ace935da76f9577533c
[INFO] running `Command { std: "docker" "start" "-a" "4ad118cc662db27215284cd3d55b7065fab4a85fa9a95ace935da76f9577533c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pi_estimation_channels-59d8d39680e657b6)
[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] [stderr]      Running unittests src/bin/crossbeam_mg_mc.rs (/opt/rustwide/target/debug/deps/crossbeam_mg_mc-bf8ad8bf5c322890)
[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] [stderr]      Running unittests src/bin/multi_generators_multi_classifiers.rs (/opt/rustwide/target/debug/deps/multi_generators_multi_classifiers-f9d373e2844db8f6)
[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] [stderr]      Running unittests src/bin/one_generator_one_classifier.rs (/opt/rustwide/target/debug/deps/one_generator_one_classifier-41cb7b7ae32c9523)
[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] [stderr]      Running unittests src/bin/one_generator_two_classifiers.rs (/opt/rustwide/target/debug/deps/one_generator_two_classifiers-310ca1f87c13344f)
[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] [stderr]      Running unittests src/bin/serial_estimator.rs (/opt/rustwide/target/debug/deps/serial_estimator-7fe47b5f14ed82db)
[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] [stderr]      Running unittests src/bin/two_generators_two_classifiers.rs (/opt/rustwide/target/debug/deps/two_generators_two_classifiers-0a64287ccad298c3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests pi_estimation_channels
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - calculate_estimate (line 15) ... FAILED
[INFO] [stdout] test src/lib.rs - calculate_estimate (line 11) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - calculate_estimate (line 15) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `π` in this scope
[INFO] [stdout]   --> src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | π = 4 * num_inside / total_points
[INFO] [stdout]    | ^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to introduce a new binding
[INFO] [stdout]    |
[INFO] [stdout] 16 | let π = 4 * num_inside / total_points
[INFO] [stdout]    | +++
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `num_inside` in this scope
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | π = 4 * num_inside / total_points
[INFO] [stdout]    |         ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `total_points` in this scope
[INFO] [stdout]   --> src/lib.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 | π = 4 * num_inside / total_points
[INFO] [stdout]    |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] warning: the usage of Script Group `Greek` in this crate consists solely of mixed script confusables
[INFO] [stdout]   --> src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | π = 4 * num_inside / total_points
[INFO] [stdout]    | ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the usage includes 'π' (U+03C0)
[INFO] [stdout]    = note: please recheck to make sure their usages are indeed what you want
[INFO] [stdout]    = note: `#[warn(mixed_script_confusables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - calculate_estimate (line 11) stdout ----
[INFO] [stdout] error: expected one of `!`, `)`, `,`, `.`, `::`, `?`, `{`, or an operator, found `r`
[INFO] [stdout]   --> src/lib.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 | num_inside / total_points = (π r^2) / (4 r^2) = π/4
[INFO] [stdout]    |                               -^ expected one of 8 possible tokens
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               help: missing `,`
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `r`
[INFO] [stdout]   --> src/lib.rs:12:42
[INFO] [stdout]    |
[INFO] [stdout] 12 | num_inside / total_points = (π r^2) / (4 r^2) = π/4
[INFO] [stdout]    |                                         -^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout]    |                                         |
[INFO] [stdout]    |                                         help: missing `,`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `num_inside` in this scope
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | num_inside / total_points = (π r^2) / (4 r^2) = π/4
[INFO] [stdout]    | ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `total_points` in this scope
[INFO] [stdout]   --> src/lib.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | num_inside / total_points = (π r^2) / (4 r^2) = π/4
[INFO] [stdout]    |              ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `π` in this scope
[INFO] [stdout]   --> src/lib.rs:12:30
[INFO] [stdout]    |
[INFO] [stdout] 12 | num_inside / total_points = (π r^2) / (4 r^2) = π/4
[INFO] [stdout]    |                              ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `r` in this scope
[INFO] [stdout]   --> src/lib.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 | num_inside / total_points = (π r^2) / (4 r^2) = π/4
[INFO] [stdout]    |                                ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `r` in this scope
[INFO] [stdout]   --> src/lib.rs:12:42
[INFO] [stdout]    |
[INFO] [stdout] 12 | num_inside / total_points = (π r^2) / (4 r^2) = π/4
[INFO] [stdout]    |                                          ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `π` in this scope
[INFO] [stdout]   --> src/lib.rs:12:49
[INFO] [stdout]    |
[INFO] [stdout] 12 | num_inside / total_points = (π r^2) / (4 r^2) = π/4
[INFO] [stdout]    |                                                 ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] warning: the usage of Script Group `Greek` in this crate consists solely of mixed script confusables
[INFO] [stdout]   --> src/lib.rs:12:30
[INFO] [stdout]    |
[INFO] [stdout] 12 | num_inside / total_points = (π r^2) / (4 r^2) = π/4
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the usage includes 'π' (U+03C0)
[INFO] [stdout]    = note: please recheck to make sure their usages are indeed what you want
[INFO] [stdout]    = note: `#[warn(mixed_script_confusables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] error[E0070]: invalid left-hand side of assignment
[INFO] [stdout]   --> src/lib.rs:12:47
[INFO] [stdout]    |
[INFO] [stdout] 12 | num_inside / total_points = (π r^2) / (4 r^2) = π/4
[INFO] [stdout]    |                             ----------------- ^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             cannot assign to this expression
[INFO] [stdout] 
[INFO] [stdout] error[E0070]: invalid left-hand side of assignment
[INFO] [stdout]   --> src/lib.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 | num_inside / total_points = (π r^2) / (4 r^2) = π/4
[INFO] [stdout]    | ------------------------- ^
[INFO] [stdout]    | |
[INFO] [stdout]    | cannot assign to this expression
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0070, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0070`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - calculate_estimate (line 11)
[INFO] [stdout]     src/lib.rs - calculate_estimate (line 15)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.35s; merged doctests compilation took 0.11s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "4ad118cc662db27215284cd3d55b7065fab4a85fa9a95ace935da76f9577533c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad118cc662db27215284cd3d55b7065fab4a85fa9a95ace935da76f9577533c", kill_on_drop: false }`
[INFO] [stdout] 4ad118cc662db27215284cd3d55b7065fab4a85fa9a95ace935da76f9577533c
