[INFO] fetching crate opis 5.7.0...
[INFO] testing opis-5.7.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate opis 5.7.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate opis 5.7.0
[INFO] finished tweaking crates.io crate opis 5.7.0
[INFO] tweaked toml for crates.io crate opis 5.7.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate opis 5.7.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39fa3c6769faf9a3db0c894157a41238427b11058244cf1d50b310b6404fed6c
[INFO] running `Command { std: "docker" "start" "-a" "39fa3c6769faf9a3db0c894157a41238427b11058244cf1d50b310b6404fed6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39fa3c6769faf9a3db0c894157a41238427b11058244cf1d50b310b6404fed6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39fa3c6769faf9a3db0c894157a41238427b11058244cf1d50b310b6404fed6c", kill_on_drop: false }`
[INFO] [stdout] 39fa3c6769faf9a3db0c894157a41238427b11058244cf1d50b310b6404fed6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d89a0605bf98cbbd75f78e3b6149e81130ce4ff9ed9cbf4a87d2d726254594aa
[INFO] running `Command { std: "docker" "start" "-a" "d89a0605bf98cbbd75f78e3b6149e81130ce4ff9ed9cbf4a87d2d726254594aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling opis v5.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "d89a0605bf98cbbd75f78e3b6149e81130ce4ff9ed9cbf4a87d2d726254594aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89a0605bf98cbbd75f78e3b6149e81130ce4ff9ed9cbf4a87d2d726254594aa", kill_on_drop: false }`
[INFO] [stdout] d89a0605bf98cbbd75f78e3b6149e81130ce4ff9ed9cbf4a87d2d726254594aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e57b9e8b3bb5ba2cac471d9ca2bfebe75dc6bd4515d67367baef622baafc4b38
[INFO] running `Command { std: "docker" "start" "-a" "e57b9e8b3bb5ba2cac471d9ca2bfebe75dc6bd4515d67367baef622baafc4b38", kill_on_drop: false }`
[INFO] [stderr]    Compiling opis v5.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "e57b9e8b3bb5ba2cac471d9ca2bfebe75dc6bd4515d67367baef622baafc4b38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e57b9e8b3bb5ba2cac471d9ca2bfebe75dc6bd4515d67367baef622baafc4b38", kill_on_drop: false }`
[INFO] [stdout] e57b9e8b3bb5ba2cac471d9ca2bfebe75dc6bd4515d67367baef622baafc4b38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4cabf564050be961ea7e3715276db72e06edb95f530a04cf8a9d9db72a546c7e
[INFO] running `Command { std: "docker" "start" "-a" "4cabf564050be961ea7e3715276db72e06edb95f530a04cf8a9d9db72a546c7e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/opis-b1b80013d21a949d)
[INFO] [stdout] 
[INFO] [stdout] running 57 tests
[INFO] [stdout] test fraction::addition::tests::test_fra_add_0 ... ok
[INFO] [stdout] test fraction::multiplication::tests::test_fraction_mul_1 ... ok
[INFO] [stdout] test fraction::string_conversion::tests::test_try_from_str_1 ... ok
[INFO] [stdout] test integer::addition::tests::test_int_plus_int ... ok
[INFO] [stdout] test fraction::multiplication::tests::test_fraction_mul_0 ... ok
[INFO] [stdout] test fraction::string_conversion::tests::test_try_from_str_2 ... ok
[INFO] [stdout] test fraction::addition::tests::test_fra_add_1 ... ok
[INFO] [stdout] test integer::addition::tests::test_int_plus_u8 ... ok
[INFO] [stdout] test integer::comparison::tests::test_cmp ... ok
[INFO] [stdout] test fraction::string_conversion::tests::test_try_from_str_0 ... ok
[INFO] [stdout] test integer::ext_gcd::tests::test_int_ext_gcd_0 ... ok
[INFO] [stdout] test integer::ext_gcd::tests::test_int_ext_gcd_1 ... ok
[INFO] [stdout] test integer::inversion::tests::test_neg_five_inversion ... ok
[INFO] [stdout] test integer::multiplication::tests::test_int_mul_0 ... ok
[INFO] [stdout] test fraction::string_conversion::tests::test_try_from_str_3 ... ok
[INFO] [stdout] test integer::mod_pow::tests::test_base_7_exp_2_mod_13 ... ok
[INFO] [stdout] test integer::string_conversion::tests::test_int_try_from_str_1 ... ok
[INFO] [stdout] test integer::string_conversion::tests::test_int_try_from_str_0 ... ok
[INFO] [stdout] test integer::mod_pow::tests::test_base_11_exp_13_mod_19 ... ok
[INFO] [stdout] test integer::tests::test_div ... ok
[INFO] [stdout] test integer::tests::test_from ... ok
[INFO] [stdout] test integer::tests::test_from_bin ... ok
[INFO] [stdout] test integer::tests::test_from_dec ... ok
[INFO] [stdout] test integer::tests::test_from_hex ... ok
[INFO] [stdout] test integer::tests::test_gt ... ok
[INFO] [stdout] test integer::string_conversion::tests::test_int_try_from_str_2 ... ok
[INFO] [stdout] test integer::tests::test_eq ... ok
[INFO] [stdout] test integer::tests::test_into ... ok
[INFO] [stdout] test integer::tests::test_lfsr ... ok
[INFO] [stdout] test integer::tests::test_lt ... ok
[INFO] [stdout] test integer::tests::test_mul ... ok
[INFO] [stdout] test integer::tests::test_rem ... ok
[INFO] [stdout] test integer::tests::test_shl ... ok
[INFO] [stdout] test integer::tests::test_shr ... ok
[INFO] [stdout] test integer::tests::test_sub ... ok
[INFO] [stdout] test integer::tests::test_to_bin ... ok
[INFO] [stdout] test integer::tests::test_to_dec ... ok
[INFO] [stdout] test integer::tests::text_exp ... ok
[INFO] [stdout] test integer::tests::test_to_hex ... ok
[INFO] [stdout] test matrix::addition::tests::test_matrix_addition ... ok
[INFO] [stdout] test matrix::cofactors::tests::test_matrix_cofactors_0 ... ok
[INFO] [stdout] test integer::type_conversion::tests::test_int_into_bytes ... ok
[INFO] [stdout] test integer::type_conversion::tests::test_large_int_into_bytes ... ok
[INFO] [stdout] test matrix::cofactors::tests::test_matrix_cofactors_1 ... ok
[INFO] [stdout] test matrix::determinant::tests::test_matrix_determinant_0 ... ok
[INFO] [stdout] test matrix::cofactors::tests::test_matrix_cofactors_3 ... ok
[INFO] [stdout] test matrix::determinant::tests::test_matrix_determinant_for_2_x_2 ... ok
[INFO] [stdout] test matrix::determinant::tests::test_matrix_determinant_for_3_x_3 ... ok
[INFO] [stdout] test matrix::identity::tests::test_matrix_identity ... ok
[INFO] [stdout] test matrix::minors::tests::test_matrix_minors_1 ... ok
[INFO] [stdout] test matrix::multiplication::tests::test_matrix_scalar_multiplication ... ok
[INFO] [stdout] test matrix::multiplication::tests::test_matrix_multiplication ... ok
[INFO] [stdout] test matrix::trace::tests::test_matrix_trace ... ok
[INFO] [stdout] test matrix::transpose::tests::test_matrix_transpose ... ok
[INFO] [stdout] test matrix::minors::tests::test_matrix_minors ... ok
[INFO] [stdout] test matrix::inverse::tests::test_matrix_inverse_0 ... ok
[INFO] [stdout] test matrix::linear_regression::tests::test_linear_regression ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 57 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests opis
[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" "4cabf564050be961ea7e3715276db72e06edb95f530a04cf8a9d9db72a546c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cabf564050be961ea7e3715276db72e06edb95f530a04cf8a9d9db72a546c7e", kill_on_drop: false }`
[INFO] [stdout] 4cabf564050be961ea7e3715276db72e06edb95f530a04cf8a9d9db72a546c7e