[INFO] fetching crate tari_broadcast_channel 0.3.0... [INFO] testing tari_broadcast_channel-0.3.0 against 1.91.0 for beta-1.92-2 [INFO] extracting crate tari_broadcast_channel 0.3.0 into /workspace/builds/worker-6-tc1/source [INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml [INFO] started tweaking crates.io crate tari_broadcast_channel 0.3.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate tari_broadcast_channel 0.3.0 [INFO] tweaked toml for crates.io crate tari_broadcast_channel 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate tari_broadcast_channel 0.3.0 on toolchain 1.91.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate tari_broadcast_channel 0.3.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pin-project-lite v0.2.9 [INFO] [stderr] Downloaded hermit-abi v0.1.8 [INFO] [stderr] Downloaded num_cpus v1.12.0 [INFO] [stderr] Downloaded log v0.4.8 [INFO] [stderr] Downloaded futures v0.3.4 [INFO] [stderr] Downloaded cast v0.2.3 [INFO] [stderr] Downloaded csv-core v0.1.10 [INFO] [stderr] Downloaded oorandom v11.1.0 [INFO] [stderr] Downloaded js-sys v0.3.35 [INFO] [stderr] Downloaded criterion-plot v0.4.1 [INFO] [stderr] Downloaded arc-swap v0.4.4 [INFO] [stderr] Downloaded wasm-bindgen v0.2.58 [INFO] [stderr] Downloaded itertools v0.8.2 [INFO] [stderr] Downloaded serde v1.0.104 [INFO] [stderr] Downloaded serde_json v1.0.48 [INFO] [stderr] Downloaded criterion v0.3.1 [INFO] [stderr] Downloaded crossbeam-channel v0.5.4 [INFO] [stderr] Downloaded regex v1.3.4 [INFO] [stderr] Downloaded web-sys v0.3.35 [INFO] [stderr] Downloaded syn v1.0.16 [INFO] [stderr] Downloaded rayon v1.3.0 [INFO] [stderr] Downloaded regex-syntax v0.6.15 [INFO] [stderr] Downloaded unicode-segmentation v1.6.0 [INFO] [stderr] Downloaded bstr v0.2.11 [INFO] [stderr] Downloaded nom v4.2.3 [INFO] [stderr] Downloaded bumpalo v3.2.0 [INFO] [stderr] Downloaded crossbeam-queue v0.2.1 [INFO] [stderr] Downloaded rayon-core v1.7.0 [INFO] [stderr] Downloaded serde_derive v1.0.104 [INFO] [stderr] Downloaded ryu v1.0.2 [INFO] [stderr] Downloaded tinytemplate v1.0.3 [INFO] [stderr] Downloaded walkdir v2.3.1 [INFO] [stderr] Downloaded unicode-width v0.1.7 [INFO] [stderr] Downloaded num-traits v0.2.11 [INFO] [stderr] Downloaded heck v0.3.1 [INFO] [stderr] Downloaded weedle v0.10.0 [INFO] [stderr] Downloaded crossbeam-deque v0.7.3 [INFO] [stderr] Downloaded winapi-util v0.1.3 [INFO] [stderr] Downloaded lazy_static v1.4.0 [INFO] [stderr] Downloaded futures-channel v0.3.4 [INFO] [stderr] Downloaded futures-macro v0.3.4 [INFO] [stderr] Downloaded futures-sink v0.3.4 [INFO] [stderr] Downloaded futures-task v0.3.4 [INFO] [stderr] Downloaded csv v1.1.3 [INFO] [stderr] Downloaded proc-macro2 v1.0.9 [INFO] [stderr] Downloaded libc v0.2.67 [INFO] [stderr] Downloaded byteorder v1.3.4 [INFO] [stderr] Downloaded version_check v0.1.5 [INFO] [stderr] Downloaded wasm-bindgen-webidl v0.2.58 [INFO] [stderr] Downloaded scopeguard v1.1.0 [INFO] [stderr] Downloaded itoa v0.4.5 [INFO] [stderr] Downloaded same-file v1.0.6 [INFO] [stderr] Downloaded memchr v2.3.3 [INFO] [stderr] Downloaded proc-macro-nested v0.1.3 [INFO] [stderr] Downloaded tokio v1.19.2 [INFO] [stderr] Downloaded sourcefile v0.1.4 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.58 [INFO] [stderr] Downloaded unicode-xid v0.2.0 [INFO] [stderr] Downloaded autocfg v1.0.0 [INFO] [stderr] Downloaded futures-executor v0.3.4 [INFO] [stderr] Downloaded pin-utils v0.1.0-alpha.4 [INFO] [stderr] Downloaded proc-macro-hack v0.5.11 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.58 [INFO] [stderr] Downloaded anyhow v1.0.26 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.58 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.58 [INFO] [stderr] Downloaded either v1.5.3 [INFO] [stderr] Downloaded crossbeam-utils v0.8.8 [INFO] [stderr] Downloaded futures-io v0.3.4 [INFO] [stderr] Downloaded quote v1.0.2 [INFO] [stderr] Downloaded slab v0.4.2 [INFO] [stderr] Downloaded futures-util v0.3.4 [INFO] [stderr] Downloaded memoffset v0.5.3 [INFO] [stderr] Downloaded futures-core v0.3.4 [INFO] [stderr] Downloaded once_cell v1.12.0 [INFO] [stderr] Downloaded regex-automata v0.1.8 [INFO] [stderr] Downloaded plotters v0.2.12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 32f52693777fbc9ba5e372e76e481676582a36f58afce7a8a2418c40241cae54 [INFO] running `Command { std: "docker" "start" "-a" "32f52693777fbc9ba5e372e76e481676582a36f58afce7a8a2418c40241cae54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32f52693777fbc9ba5e372e76e481676582a36f58afce7a8a2418c40241cae54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32f52693777fbc9ba5e372e76e481676582a36f58afce7a8a2418c40241cae54", kill_on_drop: false }` [INFO] [stdout] 32f52693777fbc9ba5e372e76e481676582a36f58afce7a8a2418c40241cae54 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b84799cf72663da436e4a0eca4b70da10952b6bccdb373dc1e6fed3710cc4094 [INFO] running `Command { std: "docker" "start" "-a" "b84799cf72663da436e4a0eca4b70da10952b6bccdb373dc1e6fed3710cc4094", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling futures-core v0.3.4 [INFO] [stderr] Compiling futures-sink v0.3.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling futures-channel v0.3.4 [INFO] [stderr] Compiling futures-io v0.3.4 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling futures-task v0.3.4 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling arc-swap v0.4.4 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling crossbeam-channel v0.5.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling futures-executor v0.3.4 [INFO] [stderr] Compiling futures v0.3.4 [INFO] [stderr] Compiling tari_broadcast_channel v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `RecvError` and `RecvTimeoutError` [INFO] [stdout] --> src/channel.rs:2:27 [INFO] [stdout] | [INFO] [stdout] 2 | pub use std::sync::mpsc::{RecvError, RecvTimeoutError, SendError, TryRecvError}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.58s [INFO] running `Command { std: "docker" "inspect" "b84799cf72663da436e4a0eca4b70da10952b6bccdb373dc1e6fed3710cc4094", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b84799cf72663da436e4a0eca4b70da10952b6bccdb373dc1e6fed3710cc4094", kill_on_drop: false }` [INFO] [stdout] b84799cf72663da436e4a0eca4b70da10952b6bccdb373dc1e6fed3710cc4094 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a1337ce5ae463251f29193e8cde0d071059da78899643e2503205c47ad3063f5 [INFO] running `Command { std: "docker" "start" "-a" "a1337ce5ae463251f29193e8cde0d071059da78899643e2503205c47ad3063f5", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling regex-automata v0.1.8 [INFO] [stderr] Compiling regex-syntax v0.6.15 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling crossbeam-queue v0.2.1 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling criterion-plot v0.4.1 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling plotters v0.2.12 [INFO] [stderr] Compiling oorandom v11.1.0 [INFO] [stderr] Compiling once_cell v1.12.0 [INFO] [stderr] Compiling pin-project-lite v0.2.9 [INFO] [stderr] Compiling tokio v1.19.2 [INFO] [stdout] warning: unused imports: `RecvError` and `RecvTimeoutError` [INFO] [stdout] --> src/channel.rs:2:27 [INFO] [stdout] | [INFO] [stdout] 2 | pub use std::sync::mpsc::{RecvError, RecvTimeoutError, SendError, TryRecvError}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling regex v1.3.4 [INFO] [stderr] Compiling serde_json v1.0.48 [INFO] [stderr] Compiling bstr v0.2.11 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling tinytemplate v1.0.3 [INFO] [stderr] Compiling criterion v0.3.1 [INFO] [stderr] Compiling tari_broadcast_channel v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `RecvError` and `RecvTimeoutError` [INFO] [stdout] --> src/channel.rs:2:27 [INFO] [stdout] | [INFO] [stdout] 2 | pub use std::sync::mpsc::{RecvError, RecvTimeoutError, SendError, TryRecvError}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 40.70s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "a1337ce5ae463251f29193e8cde0d071059da78899643e2503205c47ad3063f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1337ce5ae463251f29193e8cde0d071059da78899643e2503205c47ad3063f5", kill_on_drop: false }` [INFO] [stdout] a1337ce5ae463251f29193e8cde0d071059da78899643e2503205c47ad3063f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 96f6c844c7bbe021a410defb0a0404382c684cbb424911181e85f92c4c3a1f31 [INFO] running `Command { std: "docker" "start" "-a" "96f6c844c7bbe021a410defb0a0404382c684cbb424911181e85f92c4c3a1f31", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `RecvError` and `RecvTimeoutError` [INFO] [stderr] --> src/channel.rs:2:27 [INFO] [stderr] | [INFO] [stderr] 2 | pub use std::sync::mpsc::{RecvError, RecvTimeoutError, SendError, TryRecvError}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `tari_broadcast_channel` (lib) generated 1 warning (run `cargo fix --lib -p tari_broadcast_channel` to apply 1 suggestion) [INFO] [stderr] warning: `tari_broadcast_channel` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.1 [INFO] [stdout] [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] [stdout] running 10 tests [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tari_broadcast_channel-15856c0b57036430) [INFO] [stdout] test async_channel::test::channel ... ok [INFO] [stdout] test channel::test::bounded_channel ... ok [INFO] [stdout] test channel::test::bounded_channel_size ... ok [INFO] [stdout] test channel::test::bounded_channel_no_subs ... ok [INFO] [stdout] test channel::test::bounded_overflow ... ok [INFO] [stdout] test channel::test::bounded_within_size ... ok [INFO] [stdout] test channel::test::eq ... ok [INFO] [stdout] test channel::test::subcount ... ok [INFO] [stdout] test channel::test::bounded_overflow_with_reads ... ok [INFO] [stdout] test channel::test::bounded_channel_no_sender ... ok [INFO] [stderr] Doc-tests tari_broadcast_channel [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 44) ... ok [INFO] [stdout] test src/lib.rs - (line 57) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "96f6c844c7bbe021a410defb0a0404382c684cbb424911181e85f92c4c3a1f31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96f6c844c7bbe021a410defb0a0404382c684cbb424911181e85f92c4c3a1f31", kill_on_drop: false }` [INFO] [stdout] 96f6c844c7bbe021a410defb0a0404382c684cbb424911181e85f92c4c3a1f31