[INFO] fetching crate float4 0.2.0...
[INFO] testing float4-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate float4 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate float4 0.2.0
[INFO] finished tweaking crates.io crate float4 0.2.0
[INFO] tweaked toml for crates.io crate float4 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate float4 0.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate float4 0.2.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee1d13bbe3c471e756e2c09108b9b788a1997c01abb6ed5dc698642696383c9c
[INFO] running `Command { std: "docker" "start" "-a" "ee1d13bbe3c471e756e2c09108b9b788a1997c01abb6ed5dc698642696383c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee1d13bbe3c471e756e2c09108b9b788a1997c01abb6ed5dc698642696383c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee1d13bbe3c471e756e2c09108b9b788a1997c01abb6ed5dc698642696383c9c", kill_on_drop: false }`
[INFO] [stdout] ee1d13bbe3c471e756e2c09108b9b788a1997c01abb6ed5dc698642696383c9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7b8d3f363656253fe912c0330e432dc938798e125680f33051abf1e507ca397
[INFO] running `Command { std: "docker" "start" "-a" "a7b8d3f363656253fe912c0330e432dc938798e125680f33051abf1e507ca397", kill_on_drop: false }`
[INFO] [stderr]    Compiling float4 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "a7b8d3f363656253fe912c0330e432dc938798e125680f33051abf1e507ca397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7b8d3f363656253fe912c0330e432dc938798e125680f33051abf1e507ca397", kill_on_drop: false }`
[INFO] [stdout] a7b8d3f363656253fe912c0330e432dc938798e125680f33051abf1e507ca397
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b295417971f0ea95b3d4eb55b31c4ee7ce326f3cf622899adcd8c4bcdfb4886
[INFO] running `Command { std: "docker" "start" "-a" "8b295417971f0ea95b3d4eb55b31c4ee7ce326f3cf622899adcd8c4bcdfb4886", kill_on_drop: false }`
[INFO] [stderr]    Compiling float4 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "8b295417971f0ea95b3d4eb55b31c4ee7ce326f3cf622899adcd8c4bcdfb4886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b295417971f0ea95b3d4eb55b31c4ee7ce326f3cf622899adcd8c4bcdfb4886", kill_on_drop: false }`
[INFO] [stdout] 8b295417971f0ea95b3d4eb55b31c4ee7ce326f3cf622899adcd8c4bcdfb4886
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cef133926774ebd25d45aea621df216e8043d88ff3d2e96e89fbb9c25881ca83
[INFO] running `Command { std: "docker" "start" "-a" "cef133926774ebd25d45aea621df216e8043d88ff3d2e96e89fbb9c25881ca83", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/float4-58b37dfbfa85c0d8)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test block::tests::test_packing_layout ... ok
[INFO] [stdout] test block::tests::test_to_f32_array ... ok
[INFO] [stdout] test block::tests::test_pack_unpack_roundtrip ... ok
[INFO] [stdout] test fp4x2::tests::default_is_zero ... ok
[INFO] [stdout] test fp4x2::tests::display ... ok
[INFO] [stdout] test fp4x2::tests::exhaustive_roundtrip ... ok
[INFO] [stdout] test fp4x2::tests::exhaustive_new_roundtrip ... ok
[INFO] [stdout] test fp4x2::tests::from_into_tuple ... ok
[INFO] [stdout] test fp4x2::tests::f32_pair_roundtrip ... ok
[INFO] [stdout] test fp4x2::tests::new_constructor ... ok
[INFO] [stdout] test fp4x2::tests::nvidia_packing_layout ... ok
[INFO] [stdout] test fp4x2::tests::zero_constant ... ok
[INFO] [stdout] test m8e0::tests::test_from_f32_slice ... ok
[INFO] [stdout] test pack_tests::even_length_roundtrip ... ok
[INFO] [stdout] test pack_tests::all_values_roundtrip ... ok
[INFO] [stdout] test pack_tests::odd_length_pads_with_zero ... ok
[INFO] [stdout] test pack_tests::empty_slice ... ok
[INFO] [stdout] test m8e0::tests::e8m0_conversion_roundtrip_and_edges ... ok
[INFO] [stdout] test test::test_full_range ... ok
[INFO] [stdout] test pack_tests::single_element ... ok
[INFO] [stdout] test test::test_rounding ... ok
[INFO] [stdout] test test::test_roundtrip ... ok
[INFO] [stdout] test test::test_special_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests float4
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test src/block.rs - block::MXFP4Block (line 40) ... ok
[INFO] [stdout] test src/block.rs - block::MXFP4Block::from_f32_slice (line 125) ... ok
[INFO] [stdout] test src/block.rs - block::MXFP4Block (line 61) ... ok
[INFO] [stdout] test src/fp4x2.rs - fp4x2::F4E2M1x2 (line 17) ... ok
[INFO] [stdout] test src/lib.rs - (line 57) ... ok
[INFO] [stdout] test src/block.rs - block::MXFP4Block::to_f32_array (line 215) ... ok
[INFO] [stdout] test src/block.rs - block::MXFP4Block::scale (line 189) ... ok
[INFO] [stdout] test src/fp4x2.rs - fp4x2::F4E2M1x2::from_f32_pair (line 76) ... ok
[INFO] [stdout] test src/fp4x2.rs - fp4x2::F4E2M1x2::to_f32_pair (line 92) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::MIN (line 396) ... ok
[INFO] [stdout] test src/lib.rs - (line 87) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1 (line 214) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::MIN_POSITIVE_NORMAL (line 366) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::NEG_ZERO (line 416) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::MAX (line 386) ... ok
[INFO] [stdout] test src/block.rs - block::MXFP4Block::to_f4_array (line 161) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::NEG_ONE (line 436) ... ok
[INFO] [stdout] test src/lib.rs - (line 74) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::default (line 460) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::fmt (line 562) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::from_bits (line 301) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::from (line 477) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::ONE (line 426) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::ZERO (line 406) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::MIN_POSITIVE (line 376) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::fmt (line 530) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::from_f64 (line 240) ... ok
[INFO] [stdout] test src/m8e0.rs - m8e0::E8M0::from_f64 (line 81) ... ok
[INFO] [stdout] test src/m8e0.rs - m8e0::E8M0::from (line 235) ... ok
[INFO] [stdout] test src/m8e0.rs - m8e0::E8M0 (line 34) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::fmt (line 546) ... ok
[INFO] [stdout] test src/lib.rs - unpack (line 172) ... ok
[INFO] [stdout] test src/m8e0.rs - m8e0::E8M0::to_f64 (line 131) ... ok
[INFO] [stdout] test src/lib.rs - pack (line 134) ... ok
[INFO] [stdout] test src/m8e0.rs - m8e0::E8M0::from_bits (line 203) ... ok
[INFO] [stdout] test src/m8e0.rs - m8e0::E8M0::from_f32_slice (line 163) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::to_bits (line 346) ... ok
[INFO] [stdout] test src/lib.rs - f64::from (line 512) ... ok
[INFO] [stdout] test src/m8e0.rs - m8e0::E8M0 (line 270) ... ok
[INFO] [stdout] test src/lib.rs - f32::from (line 494) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::to_f64 (line 273) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::EPSILON (line 448) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.90s; merged doctests compilation took 0.67s
[INFO] running `Command { std: "docker" "inspect" "cef133926774ebd25d45aea621df216e8043d88ff3d2e96e89fbb9c25881ca83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cef133926774ebd25d45aea621df216e8043d88ff3d2e96e89fbb9c25881ca83", kill_on_drop: false }`
[INFO] [stdout] cef133926774ebd25d45aea621df216e8043d88ff3d2e96e89fbb9c25881ca83