[INFO] crate httpstatus 0.1.0 is already in cache
[INFO] testing httpstatus-0.1.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate httpstatus 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate httpstatus 0.1.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate httpstatus 0.1.0
[INFO] finished tweaking crates.io crate httpstatus 0.1.0
[INFO] tweaked toml for crates.io crate httpstatus 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b15f07bb8982512806e6c7aaf9f16591c59920965319370a1524a7992fb8cf6
[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" "1b15f07bb8982512806e6c7aaf9f16591c59920965319370a1524a7992fb8cf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b15f07bb8982512806e6c7aaf9f16591c59920965319370a1524a7992fb8cf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b15f07bb8982512806e6c7aaf9f16591c59920965319370a1524a7992fb8cf6", kill_on_drop: false }`
[INFO] [stdout] 1b15f07bb8982512806e6c7aaf9f16591c59920965319370a1524a7992fb8cf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", 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] bdd80c873e3820920539222b892ca0b6a85f3d1e0dea3e829bb44387ef33c6af
[INFO] running `Command { std: "docker" "start" "-a" "bdd80c873e3820920539222b892ca0b6a85f3d1e0dea3e829bb44387ef33c6af", kill_on_drop: false }`
[INFO] [stderr]    Compiling httpstatus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:370:16
[INFO] [stdout]     |
[INFO] [stdout] 370 |             100...199 => StatusClass::Informational,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:371:16
[INFO] [stdout]     |
[INFO] [stdout] 371 |             200...299 => StatusClass::Success,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:372:16
[INFO] [stdout]     |
[INFO] [stdout] 372 |             300...399 => StatusClass::Redirection,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:373:16
[INFO] [stdout]     |
[INFO] [stdout] 373 |             400...499 => StatusClass::ClientError,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:374:16
[INFO] [stdout]     |
[INFO] [stdout] 374 |             500...599 => StatusClass::ServerError,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bdd80c873e3820920539222b892ca0b6a85f3d1e0dea3e829bb44387ef33c6af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdd80c873e3820920539222b892ca0b6a85f3d1e0dea3e829bb44387ef33c6af", kill_on_drop: false }`
[INFO] [stdout] bdd80c873e3820920539222b892ca0b6a85f3d1e0dea3e829bb44387ef33c6af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 073ed885fc3139c879ee8b4cb3a5690271735df30da8b8174b3cc61f8dae0fed
[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" "073ed885fc3139c879ee8b4cb3a5690271735df30da8b8174b3cc61f8dae0fed", kill_on_drop: false }`
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:370:16
[INFO] [stdout]     |
[INFO] [stdout] 370 |             100...199 => StatusClass::Informational,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling httpstatus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:371:16
[INFO] [stdout]     |
[INFO] [stdout] 371 |             200...299 => StatusClass::Success,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:372:16
[INFO] [stdout]     |
[INFO] [stdout] 372 |             300...399 => StatusClass::Redirection,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:373:16
[INFO] [stdout]     |
[INFO] [stdout] 373 |             400...499 => StatusClass::ClientError,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:374:16
[INFO] [stdout]     |
[INFO] [stdout] 374 |             500...599 => StatusClass::ServerError,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:370:16
[INFO] [stdout]     |
[INFO] [stdout] 370 |             100...199 => StatusClass::Informational,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:371:16
[INFO] [stdout]     |
[INFO] [stdout] 371 |             200...299 => StatusClass::Success,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:372:16
[INFO] [stdout]     |
[INFO] [stdout] 372 |             300...399 => StatusClass::Redirection,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:373:16
[INFO] [stdout]     |
[INFO] [stdout] 373 |             400...499 => StatusClass::ClientError,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:374:16
[INFO] [stdout]     |
[INFO] [stdout] 374 |             500...599 => StatusClass::ServerError,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "073ed885fc3139c879ee8b4cb3a5690271735df30da8b8174b3cc61f8dae0fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "073ed885fc3139c879ee8b4cb3a5690271735df30da8b8174b3cc61f8dae0fed", kill_on_drop: false }`
[INFO] [stdout] 073ed885fc3139c879ee8b4cb3a5690271735df30da8b8174b3cc61f8dae0fed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7ebfffdc1038827e964bdfc141e323ada28eb96c0028986fa8bd32d10d18bef
[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" "a7ebfffdc1038827e964bdfc141e323ada28eb96c0028986fa8bd32d10d18bef", kill_on_drop: false }`
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:370:16
[INFO] [stderr]     |
[INFO] [stderr] 370 |             100...199 => StatusClass::Informational,
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:371:16
[INFO] [stderr]     |
[INFO] [stderr] 371 |             200...299 => StatusClass::Success,
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:372:16
[INFO] [stderr]     |
[INFO] [stderr] 372 |             300...399 => StatusClass::Redirection,
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:373:16
[INFO] [stderr]     |
[INFO] [stderr] 373 |             400...499 => StatusClass::ClientError,
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:374:16
[INFO] [stderr]     |
[INFO] [stderr] 374 |             500...599 => StatusClass::ServerError,
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:370:16
[INFO] [stderr]     |
[INFO] [stderr] 370 |             100...199 => StatusClass::Informational,
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:371:16
[INFO] [stderr]     |
[INFO] [stderr] 371 |             200...299 => StatusClass::Success,
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:372:16
[INFO] [stderr]     |
[INFO] [stderr] 372 |             300...399 => StatusClass::Redirection,
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:373:16
[INFO] [stderr]     |
[INFO] [stderr] 373 |             400...499 => StatusClass::ClientError,
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:374:16
[INFO] [stderr]     |
[INFO] [stderr] 374 |             500...599 => StatusClass::ServerError,
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/httpstatus-d79374eb94c55c5b
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib_test-ea88235a0b7559c5
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test cast_from_test ... ok
[INFO] [stdout] test class_test ... ok
[INFO] [stdout] test cast_to_test ... ok
[INFO] [stdout] test display_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests httpstatus
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:370:16
[INFO] [stderr]     |
[INFO] [stderr] 370 |             100...199 => StatusClass::Informational,
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:371:16
[INFO] [stderr]     |
[INFO] [stderr] 371 |             200...299 => StatusClass::Success,
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:372:16
[INFO] [stderr]     |
[INFO] [stderr] 372 |             300...399 => StatusClass::Redirection,
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:373:16
[INFO] [stderr]     |
[INFO] [stderr] 373 |             400...499 => StatusClass::ClientError,
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:374:16
[INFO] [stderr]     |
[INFO] [stderr] 374 |             500...599 => StatusClass::ServerError,
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a7ebfffdc1038827e964bdfc141e323ada28eb96c0028986fa8bd32d10d18bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ebfffdc1038827e964bdfc141e323ada28eb96c0028986fa8bd32d10d18bef", kill_on_drop: false }`
[INFO] [stdout] a7ebfffdc1038827e964bdfc141e323ada28eb96c0028986fa8bd32d10d18bef