[INFO] updating cached repository koba-e964/rust-number-theory
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/koba-e964/rust-number-theory
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/koba-e964/rust-number-theory" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/koba-e964/rust-number-theory"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/koba-e964/rust-number-theory'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/koba-e964/rust-number-theory" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/koba-e964/rust-number-theory"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/koba-e964/rust-number-theory'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6585894b5b711fd471dcb52a402a289eca26a1df
[INFO] sha for GitHub repo koba-e964/rust-number-theory: 6585894b5b711fd471dcb52a402a289eca26a1df
[INFO] validating manifest of koba-e964/rust-number-theory on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of koba-e964/rust-number-theory on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing koba-e964/rust-number-theory
[INFO] finished frobbing koba-e964/rust-number-theory
[INFO] frobbed toml for koba-e964/rust-number-theory written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/koba-e964/rust-number-theory/Cargo.toml
[INFO] started frobbing koba-e964/rust-number-theory
[INFO] finished frobbing koba-e964/rust-number-theory
[INFO] frobbed toml for koba-e964/rust-number-theory written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/koba-e964/rust-number-theory/Cargo.toml
[INFO] crate koba-e964/rust-number-theory has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing koba-e964/rust-number-theory against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/koba-e964/rust-number-theory:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 56a786eae895548baa72ed8c805fc675e13f9051fc9eb524de82e5e5d2e46620
[INFO] running `"docker" "start" "-a" "56a786eae895548baa72ed8c805fc675e13f9051fc9eb524de82e5e5d2e46620"`
[INFO] [stderr]    Compiling num-bigint v0.2.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling rust-number-theory v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `BigInt`
[INFO] [stderr]  --> src/determinant.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use num::{BigInt, BigRational, One, Zero};
[INFO] [stderr]   |           ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.94s
[INFO] running `"docker" "inspect" "56a786eae895548baa72ed8c805fc675e13f9051fc9eb524de82e5e5d2e46620"`
[INFO] running `"docker" "rm" "-f" "56a786eae895548baa72ed8c805fc675e13f9051fc9eb524de82e5e5d2e46620"`
[INFO] [stdout] 56a786eae895548baa72ed8c805fc675e13f9051fc9eb524de82e5e5d2e46620
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/koba-e964/rust-number-theory:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] c9dd70e68d8f3d66907141c5f5cf1bdf7caa46831a098fbaa96a9573d4284899
[INFO] running `"docker" "start" "-a" "c9dd70e68d8f3d66907141c5f5cf1bdf7caa46831a098fbaa96a9573d4284899"`
[INFO] [stderr]    Compiling rust-number-theory v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `num::BigInt`
[INFO] [stderr]    --> src/algebraic.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |     use num::BigInt;
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BigInt`
[INFO] [stderr]  --> src/determinant.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use num::{BigInt, BigRational, One, Zero};
[INFO] [stderr]   |           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/determinant.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         /// det((2, -1; 5, -4)) = -3
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/determinant.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         /// det((3, 2, 1; -1, 2, 2; -2, -3, 2)) = 33
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `"docker" "inspect" "c9dd70e68d8f3d66907141c5f5cf1bdf7caa46831a098fbaa96a9573d4284899"`
[INFO] running `"docker" "rm" "-f" "c9dd70e68d8f3d66907141c5f5cf1bdf7caa46831a098fbaa96a9573d4284899"`
[INFO] [stdout] c9dd70e68d8f3d66907141c5f5cf1bdf7caa46831a098fbaa96a9573d4284899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/koba-e964/rust-number-theory:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 4b528d9f6be4635f9a934ca363d65d30af73abef11f195f18683171c4d2b2328
[INFO] running `"docker" "start" "-a" "4b528d9f6be4635f9a934ca363d65d30af73abef11f195f18683171c4d2b2328"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_number_theory-9d8ef62618acde64
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test discriminant::tests::test_discriminant_cubic_2 ... ok
[INFO] [stdout] test discriminant::tests::test_discriminant_cubic ... ok
[INFO] [stdout] test discriminant::tests::test_discriminant_linear ... ok
[INFO] [stdout] test algebraic::tests::test_alg_mul ... ok
[INFO] [stdout] test polynomial::tests::test_mul_bigint ... ok
[INFO] [stdout] test determinant::tests::test_determinant ... ok
[INFO] [stdout] test polynomial::tests::test_div_rem_bigrational ... ok
[INFO] [stdout] test discriminant::tests::test_discriminant_quadratic ... ok
[INFO] [stdout] test factorize::tests::test_factorize ... ok
[INFO] [stdout] test resultant::tests::test_resultant_2 ... ok
[INFO] [stdout] test resultant::tests::test_resultant_3 ... ok
[INFO] [stdout] test resultant::tests::test_resultant_4 ... ok
[INFO] [stdout] test polynomial::tests::test_pseudo_div_rem_bigint ... ok
[INFO] [stdout] test polynomial::tests::test_sub_zero ... ok
[INFO] [stdout] test resultant::tests::test_resultant ... ok
[INFO] [stdout] test polynomial::tests::test_div_rem_bigint ... ok
[INFO] [stdout] test determinant::tests::test_determinant_2 ... ok
[INFO] [stdout] test factorize::tests::test_factorize_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4b528d9f6be4635f9a934ca363d65d30af73abef11f195f18683171c4d2b2328"`
[INFO] running `"docker" "rm" "-f" "4b528d9f6be4635f9a934ca363d65d30af73abef11f195f18683171c4d2b2328"`
[INFO] [stdout] 4b528d9f6be4635f9a934ca363d65d30af73abef11f195f18683171c4d2b2328