[INFO] fetching crate opis 5.7.0...
[INFO] testing opis-5.7.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate opis 5.7.0 into /workspace/builds/worker-4-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate opis 5.7.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc7282e96c7296f1fb4871af7f8ed3983abd2e282f62b8f22cf67491db64db60
[INFO] running `Command { std: "docker" "start" "-a" "dc7282e96c7296f1fb4871af7f8ed3983abd2e282f62b8f22cf67491db64db60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc7282e96c7296f1fb4871af7f8ed3983abd2e282f62b8f22cf67491db64db60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7282e96c7296f1fb4871af7f8ed3983abd2e282f62b8f22cf67491db64db60", kill_on_drop: false }`
[INFO] [stdout] dc7282e96c7296f1fb4871af7f8ed3983abd2e282f62b8f22cf67491db64db60
[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=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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edcfc54e9387667037bf80eab8e973679446a75618b5e8ead37bc1d6a98f0f83
[INFO] running `Command { std: "docker" "start" "-a" "edcfc54e9387667037bf80eab8e973679446a75618b5e8ead37bc1d6a98f0f83", kill_on_drop: false }`
[INFO] [stderr]    Compiling opis v5.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "edcfc54e9387667037bf80eab8e973679446a75618b5e8ead37bc1d6a98f0f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edcfc54e9387667037bf80eab8e973679446a75618b5e8ead37bc1d6a98f0f83", kill_on_drop: false }`
[INFO] [stdout] edcfc54e9387667037bf80eab8e973679446a75618b5e8ead37bc1d6a98f0f83
[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=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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17b343af8e02d6cd0aa103630b8fe1087ef518f5b18afdd16d54c69255a6a60c
[INFO] running `Command { std: "docker" "start" "-a" "17b343af8e02d6cd0aa103630b8fe1087ef518f5b18afdd16d54c69255a6a60c", kill_on_drop: false }`
[INFO] [stderr]    Compiling opis v5.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "17b343af8e02d6cd0aa103630b8fe1087ef518f5b18afdd16d54c69255a6a60c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17b343af8e02d6cd0aa103630b8fe1087ef518f5b18afdd16d54c69255a6a60c", kill_on_drop: false }`
[INFO] [stdout] 17b343af8e02d6cd0aa103630b8fe1087ef518f5b18afdd16d54c69255a6a60c
[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=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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ded956681afe3211b963abc12ee341a9e7989d6fbe3e4ad8a51f7e5e95e202a
[INFO] running `Command { std: "docker" "start" "-a" "4ded956681afe3211b963abc12ee341a9e7989d6fbe3e4ad8a51f7e5e95e202a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/opis-b1b80013d21a949d)
[INFO] [stdout] running 57 tests
[INFO] [stdout] test fraction::addition::tests::test_fra_add_0 ... ok
[INFO] [stdout] test fraction::string_conversion::tests::test_try_from_str_0 ... ok
[INFO] [stdout] test fraction::string_conversion::tests::test_try_from_str_2 ... ok
[INFO] [stdout] test fraction::multiplication::tests::test_fraction_mul_1 ... ok
[INFO] [stdout] test fraction::addition::tests::test_fra_add_1 ... ok
[INFO] [stdout] test integer::string_conversion::tests::test_int_try_from_str_0 ... ok
[INFO] [stdout] test fraction::string_conversion::tests::test_try_from_str_1 ... ok
[INFO] [stderr]    Doc-tests opis
[INFO] [stdout] test integer::ext_gcd::tests::test_int_ext_gcd_0 ... ok
[INFO] [stdout] test integer::addition::tests::test_int_plus_int ... ok
[INFO] [stdout] test integer::addition::tests::test_int_plus_u8 ... ok
[INFO] [stdout] test integer::comparison::tests::test_cmp ... ok
[INFO] [stdout] test integer::ext_gcd::tests::test_int_ext_gcd_1 ... ok
[INFO] [stdout] test integer::mod_pow::tests::test_base_11_exp_13_mod_19 ... ok
[INFO] [stdout] test integer::inversion::tests::test_neg_five_inversion ... ok
[INFO] [stdout] test integer::mod_pow::tests::test_base_7_exp_2_mod_13 ... ok
[INFO] [stdout] test integer::multiplication::tests::test_int_mul_0 ... ok
[INFO] [stdout] test integer::string_conversion::tests::test_int_try_from_str_2 ... ok
[INFO] [stdout] test integer::string_conversion::tests::test_int_try_from_str_1 ... ok
[INFO] [stdout] test integer::tests::test_div ... ok
[INFO] [stdout] test integer::tests::test_eq ... ok
[INFO] [stdout] test integer::tests::test_from ... ok
[INFO] [stdout] test integer::tests::test_from_bin ... ok
[INFO] [stdout] test fraction::string_conversion::tests::test_try_from_str_3 ... ok
[INFO] [stdout] test integer::tests::test_from_hex ... ok
[INFO] [stdout] test fraction::multiplication::tests::test_fraction_mul_0 ... ok
[INFO] [stdout] test integer::tests::test_from_dec ... ok
[INFO] [stdout] test integer::tests::test_into ... ok
[INFO] [stdout] test integer::tests::test_mul ... ok
[INFO] [stdout] test integer::tests::test_shr ... ok
[INFO] [stdout] test integer::tests::test_to_bin ... ok
[INFO] [stdout] test integer::tests::test_sub ... ok
[INFO] [stdout] test integer::tests::test_to_dec ... ok
[INFO] [stdout] test integer::tests::test_gt ... ok
[INFO] [stdout] test integer::tests::test_lfsr ... ok
[INFO] [stdout] test integer::tests::test_lt ... ok
[INFO] [stdout] test integer::type_conversion::tests::test_int_into_bytes ... ok
[INFO] [stdout] test integer::tests::test_rem ... ok
[INFO] [stdout] test integer::tests::test_shl ... ok
[INFO] [stdout] test integer::tests::text_exp ... ok
[INFO] [stdout] test integer::type_conversion::tests::test_large_int_into_bytes ... ok
[INFO] [stdout] test matrix::minors::tests::test_matrix_minors_1 ... ok
[INFO] [stdout] test matrix::multiplication::tests::test_matrix_multiplication ... ok
[INFO] [stdout] test matrix::addition::tests::test_matrix_addition ... ok
[INFO] [stdout] test matrix::trace::tests::test_matrix_trace ... ok
[INFO] [stdout] test matrix::cofactors::tests::test_matrix_cofactors_0 ... ok
[INFO] [stdout] test matrix::cofactors::tests::test_matrix_cofactors_1 ... ok
[INFO] [stdout] test matrix::minors::tests::test_matrix_minors ... ok
[INFO] [stdout] test matrix::multiplication::tests::test_matrix_scalar_multiplication ... ok
[INFO] [stdout] test matrix::transpose::tests::test_matrix_transpose ... ok
[INFO] [stdout] test matrix::determinant::tests::test_matrix_determinant_0 ... 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::cofactors::tests::test_matrix_cofactors_3 ... 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] test integer::tests::test_to_hex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 57 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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" "4ded956681afe3211b963abc12ee341a9e7989d6fbe3e4ad8a51f7e5e95e202a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ded956681afe3211b963abc12ee341a9e7989d6fbe3e4ad8a51f7e5e95e202a", kill_on_drop: false }`
[INFO] [stdout] 4ded956681afe3211b963abc12ee341a9e7989d6fbe3e4ad8a51f7e5e95e202a