[INFO] fetching crate float4 0.1.0...
[INFO] testing float4-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate float4 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate float4 0.1.0
[INFO] finished tweaking crates.io crate float4 0.1.0
[INFO] tweaked toml for crates.io crate float4 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate float4 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate float4 0.1.0 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7e590995321e799d780fa0e1b85fac80cd8f79f7a18918a78e355a84bc5ce29
[INFO] running `Command { std: "docker" "start" "-a" "c7e590995321e799d780fa0e1b85fac80cd8f79f7a18918a78e355a84bc5ce29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7e590995321e799d780fa0e1b85fac80cd8f79f7a18918a78e355a84bc5ce29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7e590995321e799d780fa0e1b85fac80cd8f79f7a18918a78e355a84bc5ce29", kill_on_drop: false }`
[INFO] [stdout] c7e590995321e799d780fa0e1b85fac80cd8f79f7a18918a78e355a84bc5ce29
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b6ff087e5aff0c10ea376a858a7d650b9d5ed5b6bc2df015c856d84114c5835
[INFO] running `Command { std: "docker" "start" "-a" "9b6ff087e5aff0c10ea376a858a7d650b9d5ed5b6bc2df015c856d84114c5835", kill_on_drop: false }`
[INFO] [stderr]    Compiling float4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "9b6ff087e5aff0c10ea376a858a7d650b9d5ed5b6bc2df015c856d84114c5835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b6ff087e5aff0c10ea376a858a7d650b9d5ed5b6bc2df015c856d84114c5835", kill_on_drop: false }`
[INFO] [stdout] 9b6ff087e5aff0c10ea376a858a7d650b9d5ed5b6bc2df015c856d84114c5835
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2573232c70ca81450797ba7f2b3a4006619cd8bef81a553f78f56587ade2db02
[INFO] running `Command { std: "docker" "start" "-a" "2573232c70ca81450797ba7f2b3a4006619cd8bef81a553f78f56587ade2db02", kill_on_drop: false }`
[INFO] [stderr]    Compiling float4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "2573232c70ca81450797ba7f2b3a4006619cd8bef81a553f78f56587ade2db02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2573232c70ca81450797ba7f2b3a4006619cd8bef81a553f78f56587ade2db02", kill_on_drop: false }`
[INFO] [stdout] 2573232c70ca81450797ba7f2b3a4006619cd8bef81a553f78f56587ade2db02
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0b7a43138442cd110ae94b6691aa5c99e290cdab2f47a44534a3d3d6cb79fe7
[INFO] running `Command { std: "docker" "start" "-a" "f0b7a43138442cd110ae94b6691aa5c99e290cdab2f47a44534a3d3d6cb79fe7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/float4-de81c046918c7a0b)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test::test_rounding ... ok
[INFO] [stdout] test test::test_roundtrip ... ok
[INFO] [stdout] test test::test_full_range ... ok
[INFO] [stdout] test test::test_special_values ... ok
[INFO] [stdout] test block::tests::test_to_f32_array ... ok
[INFO] [stdout] test m8e0::tests::e8m0_conversion_roundtrip_and_edges ... ok
[INFO] [stdout] test block::tests::test_pack_unpack_roundtrip ... ok
[INFO] [stdout] test m8e0::tests::test_from_f32_slice ... ok
[INFO] [stdout] test block::tests::test_packing_layout ... ok
[INFO] [stderr]    Doc-tests float4
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[INFO] [stdout] test src/block.rs - block::MXFP4Block (line 61) ... ok
[INFO] [stdout] test src/block.rs - block::MXFP4Block::scale (line 199) ... ok
[INFO] [stdout] test src/block.rs - block::MXFP4Block (line 40) ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/lib.rs - (line 51) ... ok
[INFO] [stdout] test src/block.rs - block::MXFP4Block::from_f32_slice (line 125) ... ok
[INFO] [stdout] test src/lib.rs - (line 81) ... ok
[INFO] [stdout] test src/lib.rs - (line 68) ... ok
[INFO] [stdout] test src/block.rs - block::MXFP4Block::to_f4_array (line 167) ... ok
[INFO] [stdout] test src/block.rs - block::MXFP4Block::to_f32_array (line 225) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::NEG_ZERO (line 343) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::MAX (line 313) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::MIN_POSITIVE (line 303) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::MIN (line 323) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::ONE (line 353) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::NEG_ONE (line 363) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::EPSILON (line 375) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::from (line 404) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1 (line 141) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::ZERO (line 333) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::MIN_POSITIVE_NORMAL (line 293) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::from_bits (line 228) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::fmt (line 457) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::fmt (line 473) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::fmt (line 489) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::to_f64 (line 200) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::to_bits (line 273) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::from_f64 (line 167) ... ok
[INFO] [stdout] test src/lib.rs - f32::from (line 421) ... ok
[INFO] [stdout] test src/lib.rs - F4E2M1::default (line 387) ... ok
[INFO] [stdout] test src/m8e0.rs - m8e0::E8M0 (line 270) ... ok
[INFO] [stdout] test src/lib.rs - f64::from (line 439) ... ok
[INFO] [stdout] test src/m8e0.rs - m8e0::E8M0 (line 34) ... ok
[INFO] [stdout] test src/m8e0.rs - m8e0::E8M0::from_bits (line 203) ... ok
[INFO] [stdout] test src/m8e0.rs - m8e0::E8M0::to_f64 (line 131) ... ok
[INFO] [stdout] test src/m8e0.rs - m8e0::E8M0::from_f32_slice (line 163) ... ok
[INFO] [stdout] test src/m8e0.rs - m8e0::E8M0::from (line 235) ... ok
[INFO] [stdout] test src/m8e0.rs - m8e0::E8M0::from_f64 (line 81) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 38 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f0b7a43138442cd110ae94b6691aa5c99e290cdab2f47a44534a3d3d6cb79fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b7a43138442cd110ae94b6691aa5c99e290cdab2f47a44534a3d3d6cb79fe7", kill_on_drop: false }`
[INFO] [stdout] f0b7a43138442cd110ae94b6691aa5c99e290cdab2f47a44534a3d3d6cb79fe7