[INFO] cloning repository https://github.com/gramsco/fractions-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gramsco/fractions-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgramsco%2Ffractions-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgramsco%2Ffractions-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ab50c16110fec8ae423347ba4322223dda27cd0
[INFO] testing gramsco/fractions-in-rust 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%2Fgramsco%2Ffractions-in-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gramsco/fractions-in-rust
[INFO] finished tweaking git repo https://github.com/gramsco/fractions-in-rust
[INFO] tweaked toml for git repo https://github.com/gramsco/fractions-in-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gramsco/fractions-in-rust 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/gramsco/fractions-in-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" "+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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3c8498d7bd832c31bb791ef127ace5732997294554537af242a81b043bb53e34
[INFO] running `Command { std: "docker" "start" "-a" "3c8498d7bd832c31bb791ef127ace5732997294554537af242a81b043bb53e34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c8498d7bd832c31bb791ef127ace5732997294554537af242a81b043bb53e34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c8498d7bd832c31bb791ef127ace5732997294554537af242a81b043bb53e34", kill_on_drop: false }`
[INFO] [stdout] 3c8498d7bd832c31bb791ef127ace5732997294554537af242a81b043bb53e34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 66e3d7b0c9e1dc65d5787e7478641ecbfc0d43efe12b365e441ccb8389bba3a6
[INFO] running `Command { std: "docker" "start" "-a" "66e3d7b0c9e1dc65d5787e7478641ecbfc0d43efe12b365e441ccb8389bba3a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling fractions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "66e3d7b0c9e1dc65d5787e7478641ecbfc0d43efe12b365e441ccb8389bba3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66e3d7b0c9e1dc65d5787e7478641ecbfc0d43efe12b365e441ccb8389bba3a6", kill_on_drop: false }`
[INFO] [stdout] 66e3d7b0c9e1dc65d5787e7478641ecbfc0d43efe12b365e441ccb8389bba3a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 571832d5e3cbc31c74485490a6e55d615c0af1e712c8fcb559ca938323ed499e
[INFO] running `Command { std: "docker" "start" "-a" "571832d5e3cbc31c74485490a6e55d615c0af1e712c8fcb559ca938323ed499e", kill_on_drop: false }`
[INFO] [stderr]    Compiling fractions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "571832d5e3cbc31c74485490a6e55d615c0af1e712c8fcb559ca938323ed499e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "571832d5e3cbc31c74485490a6e55d615c0af1e712c8fcb559ca938323ed499e", kill_on_drop: false }`
[INFO] [stdout] 571832d5e3cbc31c74485490a6e55d615c0af1e712c8fcb559ca938323ed499e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f951d3122ad8fb3f9f42aff35908a681df4540566619edcd37d21e3e3087a618
[INFO] running `Command { std: "docker" "start" "-a" "f951d3122ad8fb3f9f42aff35908a681df4540566619edcd37d21e3e3087a618", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fractions-41033ab658585636)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test fractions::convert_to_same_den::tests::convert_both_fractions ... ok
[INFO] [stdout] test fractions::convert_to_same_den::tests::checks_for_same_fraction_but_not_simplified ... ok
[INFO] [stdout] test fractions::convert_to_same_den::tests::convert_one_fraction ... ok
[INFO] [stdout] test fractions::factors::tests::pgcd_works ... ok
[INFO] [stdout] test fractions::fraction::tests::operations_on_fractions::test_add_to_numerator ... ok
[INFO] [stdout] test fractions::fraction::tests::operations_on_fractions::test_adds_unsigned ... ok
[INFO] [stdout] test fractions::fraction::tests::operations_on_fractions::add_fractions_with_different_denominators ... ok
[INFO] [stdout] test fractions::fraction::tests::operations_on_fractions::add_fractions_with_same_denominators ... ok
[INFO] [stdout] test fractions::fraction::tests::operations_on_fractions::test_equality_when_not_equals ... ok
[INFO] [stdout] test fractions::fraction::tests::operations_on_fractions::test_evaluate ... ok
[INFO] [stdout] test fractions::fraction::tests::operations_on_fractions::test_multiply_by_unity_fraction ... ok
[INFO] [stdout] test fractions::fraction::tests::simplification::does_not_simplify_when_not_necessary ... ok
[INFO] [stdout] test fractions::fraction::tests::simplification::simplify_when_necessary ... ok
[INFO] [stdout] test fractions::fraction::tests::simplification::test_is_simplified ... ok
[INFO] [stdout] test fractions::fraction::tests::simplification::test_is_simplified_with_non_simplified ... ok
[INFO] [stdout] test fractions::fraction::tests::operations_on_fractions::adds_with_float ... ok
[INFO] [stdout] test fractions::fraction::tests::operations_on_fractions::test_equality_when_obviously_equals ... ok
[INFO] [stdout] test fractions::fraction::tests::operations_on_fractions::test_equality_with_float ... ok
[INFO] [stdout] test fractions::fraction::tests::operations_on_fractions::test_equality_when_equals_when_simplified ... ok
[INFO] [stdout] test fractions::factors::tests::ppcm_works ... ok
[INFO] [stdout] test fractions::fraction::tests::simplification::test_is_simplified_with_zero_denominator - should panic ... ok
[INFO] [stdout] test fractions::convert_to_same_den::tests::leaves_intact_fractions_if_same_denominator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f951d3122ad8fb3f9f42aff35908a681df4540566619edcd37d21e3e3087a618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f951d3122ad8fb3f9f42aff35908a681df4540566619edcd37d21e3e3087a618", kill_on_drop: false }`
[INFO] [stdout] f951d3122ad8fb3f9f42aff35908a681df4540566619edcd37d21e3e3087a618
