[INFO] fetching crate guff 0.1.7...
[INFO] testing guff-0.1.7 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate guff 0.1.7 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate guff 0.1.7 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate guff 0.1.7
[INFO] finished tweaking crates.io crate guff 0.1.7
[INFO] tweaked toml for crates.io crate guff 0.1.7 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7451fa885186fef1c589810a31906aa66ead925ab32bc446d9dcaa9a9d2408ba
[INFO] running `Command { std: "docker" "start" "-a" "7451fa885186fef1c589810a31906aa66ead925ab32bc446d9dcaa9a9d2408ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7451fa885186fef1c589810a31906aa66ead925ab32bc446d9dcaa9a9d2408ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7451fa885186fef1c589810a31906aa66ead925ab32bc446d9dcaa9a9d2408ba", kill_on_drop: false }`
[INFO] [stdout] 7451fa885186fef1c589810a31906aa66ead925ab32bc446d9dcaa9a9d2408ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4afcd24188e0c4545287f4f20384556b210a575c9e49da407c7575c55621a5e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4afcd24188e0c4545287f4f20384556b210a575c9e49da407c7575c55621a5e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling guff v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `exp`
[INFO] [stdout]    --> src/good.rs:227:5
[INFO] [stdout]     |
[INFO] [stdout] 227 |     exp  : Vec<G::E>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mod_reduce_bytewise`
[INFO] [stdout]    --> src/good.rs:545:8
[INFO] [stdout]     |
[INFO] [stdout] 545 |     fn mod_reduce_bytewise(&self, mut a : G::EE) -> G::E
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.98s
[INFO] running `Command { std: "docker" "inspect" "4afcd24188e0c4545287f4f20384556b210a575c9e49da407c7575c55621a5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4afcd24188e0c4545287f4f20384556b210a575c9e49da407c7575c55621a5e1", kill_on_drop: false }`
[INFO] [stdout] 4afcd24188e0c4545287f4f20384556b210a575c9e49da407c7575c55621a5e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0080b6d485eb67d4c3962fd45ab338a629e80858d0d94c51ac7eef7fedce3baf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0080b6d485eb67d4c3962fd45ab338a629e80858d0d94c51ac7eef7fedce3baf", kill_on_drop: false }`
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stdout] warning: field is never read: `exp`
[INFO] [stdout]    --> src/good.rs:227:5
[INFO] [stdout]     |
[INFO] [stdout] 227 |     exp  : Vec<G::E>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mod_reduce_bytewise`
[INFO] [stdout]    --> src/good.rs:545:8
[INFO] [stdout]     |
[INFO] [stdout] 545 |     fn mod_reduce_bytewise(&self, mut a : G::EE) -> G::E
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling guff v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `F16`, `F4`
[INFO] [stdout]    --> src/good.rs:665:17
[INFO] [stdout]     |
[INFO] [stdout] 665 |     use crate::{F4, F8, F16};
[INFO] [stdout]     |                 ^^      ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `exp`
[INFO] [stdout]    --> src/good.rs:227:5
[INFO] [stdout]     |
[INFO] [stdout] 227 |     exp  : Vec<G::E>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.90s
[INFO] running `Command { std: "docker" "inspect" "0080b6d485eb67d4c3962fd45ab338a629e80858d0d94c51ac7eef7fedce3baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0080b6d485eb67d4c3962fd45ab338a629e80858d0d94c51ac7eef7fedce3baf", kill_on_drop: false }`
[INFO] [stdout] 0080b6d485eb67d4c3962fd45ab338a629e80858d0d94c51ac7eef7fedce3baf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3b2403ee08205103af25811099e996be9b2fb78e3f9ddb9953ba8b33a61c2142
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3b2403ee08205103af25811099e996be9b2fb78e3f9ddb9953ba8b33a61c2142", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `exp`
[INFO] [stderr]    --> src/good.rs:227:5
[INFO] [stderr]     |
[INFO] [stderr] 227 |     exp  : Vec<G::E>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `mod_reduce_bytewise`
[INFO] [stderr]    --> src/good.rs:545:8
[INFO] [stderr]     |
[INFO] [stderr] 545 |     fn mod_reduce_bytewise(&self, mut a : G::EE) -> G::E
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `guff` (lib) generated 2 warnings
[INFO] [stderr] warning: unused imports: `F16`, `F4`
[INFO] [stderr]    --> src/good.rs:665:17
[INFO] [stderr]     |
[INFO] [stderr] 665 |     use crate::{F4, F8, F16};
[INFO] [stderr]     |                 ^^      ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `guff` (lib test) generated 2 warnings (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guff-a396b0e6cc555945)
[INFO] [stdout] 
[INFO] [stdout] running 63 tests
[INFO] [stdout] test tables::mull::tests::lmull_vs_rmull ... ok
[INFO] [stdout] test good::tests::test_mod_shift_left_8 ... ok
[INFO] [stdout] test good::tests::test_f4_0x13_mul_conformance ... ok
[INFO] [stdout] test tests::access_assoc_type ... ok
[INFO] [stdout] test good::tests::test_f4_0x13_inv_conformance ... ok
[INFO] [stdout] test tests::access_lmull ... ok
[INFO] [stdout] test good::tests::test_f8_0x11b_inv_conformance ... ok
[INFO] [stdout] test tests::call_impl_assoc_type ... ok
[INFO] [stdout] test tests::commutative_mod1 ... ok
[INFO] [stdout] test tests::distributive_2 ... ok
[INFO] [stdout] test tests::distributive_1 ... ok
[INFO] [stdout] test tests::generator_should_loop ... ok
[INFO] [stdout] test tests::long_mul_mod_reduce_conformance ... ok
[INFO] [stdout] test tests::mod_power_15 ... ok
[INFO] [stdout] test tests::mod_power_16 ... ok
[INFO] [stdout] test tests::new_gf16_works ... ok
[INFO] [stdout] test tests::new_field_from_new ... ok
[INFO] [stdout] test tests::new_gf32_works ... ok
[INFO] [stdout] test tests::new_gf4_works ... ok
[INFO] [stdout] test tests::new_gf8_works ... ok
[INFO] [stdout] test tests::one_a_mod ... ok
[INFO] [stdout] test tests::test_div_01_53 ... ok
[INFO] [stdout] test tests::test_div_01_ca ... ok
[INFO] [stdout] test tests::one_b_mod ... ok
[INFO] [stdout] test tests::test_div_0_0 ... ok
[INFO] [stdout] test tests::test_gf8_inverses ... ok
[INFO] [stdout] test tests::test_div_i_0 ... ok
[INFO] [stdout] test tests::mod_power_16_directly ... ok
[INFO] [stdout] test tests::test_inv_ca ... ok
[INFO] [stdout] test tables::mull::tests::lrmull_vs_lmull_rmull ... ok
[INFO] [stdout] test tests::test_multiply_00_00 ... ok
[INFO] [stdout] test tables::mull::tests::mull_as_shift ... ok
[INFO] [stdout] test tests::test_inv_01 ... ok
[INFO] [stdout] test tests::test_inv_53 ... ok
[INFO] [stdout] test tests::test_multiply_01_01 ... ok
[INFO] [stdout] test tests::test_multiply_01_02 ... ok
[INFO] [stdout] test tests::test_multiply_00_01 ... ok
[INFO] [stdout] test tests::test_multiply_53_ca ... ok
[INFO] [stdout] test tests::test_new_gf16 ... ok
[INFO] [stdout] test tests::test_new_gf32 ... ok
[INFO] [stdout] test tests::test_new_gf8 ... ok
[INFO] [stdout] test tests::test_pow_0_0 ... ok
[INFO] [stdout] test tests::test_pow_257 ... ok
[INFO] [stdout] test tests::test_pow_3_255 ... ok
[INFO] [stdout] test tests::test_pow_3_0 ... ok
[INFO] [stdout] test tests::test_pow_3_254 ... ok
[INFO] [stdout] test good::tests::test_bytewise_reduce_table ... ok
[INFO] [stdout] test tests::xx_times_x1_mod1_straight ... ok
[INFO] [stdout] test tests::test_pow_7_2 ... ok
[INFO] [stdout] test tests::x_times_x1_mod1_straight ... ok
[INFO] [stdout] test tests::zero_a_mod ... ok
[INFO] [stdout] test tests::zero_b_mod ... ok
[INFO] [stdout] test tests::test_pow_7_3 ... ok
[INFO] [stdout] test good::tests::test_f8_0x11b_mul_conformance ... ok
[INFO] [stdout] test good::tests::test_f16_0x1002b_mul_conformance_limited1 ... ok
[INFO] [stdout] test good::tests::test_f16_0x1002b_inv_conformance ... ok
[INFO] [stdout] test good::tests::test_f16_0x1002b_mul_conformance_limited3 ... ok
[INFO] [stdout] test good::tests::test_f16_0x1002b_mul_conformance_limited2 ... ok
[INFO] [stdout] test good::tests::test_f16_0x1002b_mul_conformance_limited6 ... ok
[INFO] [stdout] test good::tests::test_f16_0x1002b_mul_conformance_limited4 ... ok
[INFO] [stdout] test good::tests::test_f16_0x1002b_mul_conformance_limited5 ... ok
[INFO] [stdout] test good::tests::test_f8_0x11b_pow_conformance ... ok
[INFO] [stdout] test good::tests::test_f16_0x1002b_mul_conformance ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 63 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.97s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests guff
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/mull.rs - tables::mull (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.86s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3b2403ee08205103af25811099e996be9b2fb78e3f9ddb9953ba8b33a61c2142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b2403ee08205103af25811099e996be9b2fb78e3f9ddb9953ba8b33a61c2142", kill_on_drop: false }`
[INFO] [stdout] 3b2403ee08205103af25811099e996be9b2fb78e3f9ddb9953ba8b33a61c2142