[INFO] fetching crate wasm-msgpack 0.6.2... [INFO] testing wasm-msgpack-0.6.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate wasm-msgpack 0.6.2 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate wasm-msgpack 0.6.2 [INFO] finished tweaking crates.io crate wasm-msgpack 0.6.2 [INFO] tweaked toml for crates.io crate wasm-msgpack 0.6.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate wasm-msgpack 0.6.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 51 packages to latest compatible versions [INFO] [stderr] Adding heapless v0.7.17 (available: v0.9.1) [INFO] [stderr] Adding rstest v0.17.0 (available: v0.26.1) [INFO] [stderr] Adding zerocopy v0.6.6 (available: v0.8.27) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 043759d1618385507e060148bd21c8d7cf613074bc65f80bd14b7b8048a63970 [INFO] running `Command { std: "docker" "start" "-a" "043759d1618385507e060148bd21c8d7cf613074bc65f80bd14b7b8048a63970", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "043759d1618385507e060148bd21c8d7cf613074bc65f80bd14b7b8048a63970", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "043759d1618385507e060148bd21c8d7cf613074bc65f80bd14b7b8048a63970", kill_on_drop: false }` [INFO] [stdout] 043759d1618385507e060148bd21c8d7cf613074bc65f80bd14b7b8048a63970 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] be726418c724a569989a8c6034b82f540e78d40bdf035d3838adb92a68b98f5d [INFO] running `Command { std: "docker" "start" "-a" "be726418c724a569989a8c6034b82f540e78d40bdf035d3838adb92a68b98f5d", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling hash32 v0.2.1 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling zerocopy-derive v0.6.6 [INFO] [stderr] Compiling zerocopy v0.6.6 [INFO] [stderr] Compiling serde_bytes v0.11.19 [INFO] [stderr] Compiling wasm-msgpack v0.6.2 (/opt/rustwide/workdir) [INFO] [stdout] error: this function depends on never type fallback being `()` [INFO] [stdout] --> src/ext/timestamp.rs:188:13 [INFO] [stdout] | [INFO] [stdout] 188 | / fn visit_map(self, mut map: V) -> Result [INFO] [stdout] 189 | | where [INFO] [stdout] 190 | | V: ::serde::de::MapAccess<'de>, [INFO] [stdout] | |_______________________________________________^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: ext::_::_serde::Deserialize<'de>` will fail [INFO] [stdout] --> src/ext/timestamp.rs:249:33 [INFO] [stdout] | [INFO] [stdout] 249 | ... map.next_value()?; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 249 | map.next_value::<()>()?; [INFO] [stdout] | ++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this function depends on never type fallback being `()` [INFO] [stdout] --> src/ext/mod.rs:220:13 [INFO] [stdout] | [INFO] [stdout] 220 | / fn visit_map(self, mut map: V) -> Result [INFO] [stdout] 221 | | where [INFO] [stdout] 222 | | V: ::serde::de::MapAccess<'de>, [INFO] [stdout] | |_______________________________________________^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: ext::_::_serde::Deserialize<'de>` will fail [INFO] [stdout] --> src/ext/mod.rs:289:33 [INFO] [stdout] | [INFO] [stdout] 289 | ... map.next_value()?; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 289 | map.next_value::<()>()?; [INFO] [stdout] | ++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/decode/serde/mod.rs:60:55 [INFO] [stdout] | [INFO] [stdout] 60 | pub const fn new(slice: &'a [u8]) -> Deserializer<'_> { [INFO] [stdout] | -- ^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 60 - pub const fn new(slice: &'a [u8]) -> Deserializer<'_> { [INFO] [stdout] 60 + pub const fn new(slice: &'a [u8]) -> Deserializer<'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `wasm-msgpack` (lib) due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "be726418c724a569989a8c6034b82f540e78d40bdf035d3838adb92a68b98f5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be726418c724a569989a8c6034b82f540e78d40bdf035d3838adb92a68b98f5d", kill_on_drop: false }` [INFO] [stdout] be726418c724a569989a8c6034b82f540e78d40bdf035d3838adb92a68b98f5d