[INFO] fetching crate wasm-msgpack 0.6.2...
[INFO] testing wasm-msgpack-0.6.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate wasm-msgpack 0.6.2 into /workspace/builds/worker-0-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasm-msgpack 0.6.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rstest_macros v0.17.0
[INFO] [stderr]   Downloaded rstest v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7b2fa4a74b06dc2cadb1a0edeb601d6839bfc4d50d871e02696343227d2a139
[INFO] running `Command { std: "docker" "start" "-a" "c7b2fa4a74b06dc2cadb1a0edeb601d6839bfc4d50d871e02696343227d2a139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7b2fa4a74b06dc2cadb1a0edeb601d6839bfc4d50d871e02696343227d2a139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7b2fa4a74b06dc2cadb1a0edeb601d6839bfc4d50d871e02696343227d2a139", kill_on_drop: false }`
[INFO] [stdout] c7b2fa4a74b06dc2cadb1a0edeb601d6839bfc4d50d871e02696343227d2a139
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0de7c2e3cac2315349e85409e66f1765e9d9bd2f6f4397af71756d8eba33bcde
[INFO] running `Command { std: "docker" "start" "-a" "0de7c2e3cac2315349e85409e66f1765e9d9bd2f6f4397af71756d8eba33bcde", kill_on_drop: false }`
[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 syn v2.0.110
[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 serde_bytes v0.11.19
[INFO] [stderr]    Compiling zerocopy v0.6.6
[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<V>(self, mut map: V) -> Result<Self::Value, V::Error>
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[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<V>(self, mut map: V) -> Result<Self::Value, V::Error>
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[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" "0de7c2e3cac2315349e85409e66f1765e9d9bd2f6f4397af71756d8eba33bcde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de7c2e3cac2315349e85409e66f1765e9d9bd2f6f4397af71756d8eba33bcde", kill_on_drop: false }`
[INFO] [stdout] 0de7c2e3cac2315349e85409e66f1765e9d9bd2f6f4397af71756d8eba33bcde
