[INFO] fetching crate next_prime 0.1.1...
[INFO] testing next_prime-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate next_prime 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate next_prime 0.1.1
[INFO] finished tweaking crates.io crate next_prime 0.1.1
[INFO] tweaked toml for crates.io crate next_prime 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate next_prime 0.1.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88e88a7d1637d4a739282675a3e76273a5e791cf9558406e46be6aeb24fe150e
[INFO] running `Command { std: "docker" "start" "-a" "88e88a7d1637d4a739282675a3e76273a5e791cf9558406e46be6aeb24fe150e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88e88a7d1637d4a739282675a3e76273a5e791cf9558406e46be6aeb24fe150e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88e88a7d1637d4a739282675a3e76273a5e791cf9558406e46be6aeb24fe150e", kill_on_drop: false }`
[INFO] [stdout] 88e88a7d1637d4a739282675a3e76273a5e791cf9558406e46be6aeb24fe150e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dfa3ed4012dacdb5f8fea08ee3b3958228c36bf240755742d8bec420d8b0fbf
[INFO] running `Command { std: "docker" "start" "-a" "3dfa3ed4012dacdb5f8fea08ee3b3958228c36bf240755742d8bec420d8b0fbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling next_prime v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "3dfa3ed4012dacdb5f8fea08ee3b3958228c36bf240755742d8bec420d8b0fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dfa3ed4012dacdb5f8fea08ee3b3958228c36bf240755742d8bec420d8b0fbf", kill_on_drop: false }`
[INFO] [stdout] 3dfa3ed4012dacdb5f8fea08ee3b3958228c36bf240755742d8bec420d8b0fbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 866c3d578020b44733345683eb9516b246e461e8a480cd165be2cdbc6dc00025
[INFO] running `Command { std: "docker" "start" "-a" "866c3d578020b44733345683eb9516b246e461e8a480cd165be2cdbc6dc00025", kill_on_drop: false }`
[INFO] [stderr]    Compiling next_prime v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "866c3d578020b44733345683eb9516b246e461e8a480cd165be2cdbc6dc00025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "866c3d578020b44733345683eb9516b246e461e8a480cd165be2cdbc6dc00025", kill_on_drop: false }`
[INFO] [stdout] 866c3d578020b44733345683eb9516b246e461e8a480cd165be2cdbc6dc00025
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 611b4583f626bbc15cff4b4ab63407887c89cd3e1d37c34b98706481b5aa229f
[INFO] running `Command { std: "docker" "start" "-a" "611b4583f626bbc15cff4b4ab63407887c89cd3e1d37c34b98706481b5aa229f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/next_prime-869c3976200c4c83)
[INFO] [stdout] running 11 tests
[INFO] [stderr]    Doc-tests next_prime
[INFO] [stdout] test is_prime_tests::small_primes ... ok
[INFO] [stdout] test next_prime_tests::edge_case_two ... ok
[INFO] [stdout] test next_prime_tests::finds_small_primes ... ok
[INFO] [stdout] test next_prime_tests::returns_argument_when_it_is_already_prime ... ok
[INFO] [stdout] test next_prime_tests::finds_a_very_large_prime ... ok
[INFO] [stdout] test usqrt_tests::edge_case_one ... ok
[INFO] [stdout] test usqrt_tests::edge_case_zero ... ok
[INFO] [stdout] test usqrt_tests::large_not_perfect_square ... ok
[INFO] [stdout] test usqrt_tests::large_perfect_squares ... ok
[INFO] [stdout] test usqrt_tests::rounds_up_when_not_a_perfect_square ... ok
[INFO] [stdout] test usqrt_tests::small_perfect_squares ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - next_prime (line 104) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "611b4583f626bbc15cff4b4ab63407887c89cd3e1d37c34b98706481b5aa229f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "611b4583f626bbc15cff4b4ab63407887c89cd3e1d37c34b98706481b5aa229f", kill_on_drop: false }`
[INFO] [stdout] 611b4583f626bbc15cff4b4ab63407887c89cd3e1d37c34b98706481b5aa229f