[INFO] fetching crate labrador 0.2.3...
[INFO] testing labrador-0.2.3 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate labrador 0.2.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate labrador 0.2.3
[INFO] finished tweaking crates.io crate labrador 0.2.3
[INFO] tweaked toml for crates.io crate labrador 0.2.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate labrador 0.2.3 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 306 packages to latest compatible versions
[INFO] [stderr]       Adding aes v0.7.5 (available: v0.8.4)
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[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
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[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] [stderr]       Adding redis v0.21.7 (available: v0.32.7)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.24)
[INFO] [stderr]       Adding rsa v0.6.1 (available: v0.9.9)
[INFO] [stderr]       Adding serde-xml-rs v0.6.0 (available: v0.8.1)
[INFO] [stderr]       Adding sxd-document v0.2.6 (available: v0.3.2)
[INFO] [stderr]       Adding sxd-xpath v0.2.1 (available: v0.4.2)
[INFO] [stderr]       Adding uuid v0.7.4 (available: v1.18.1)
[INFO] [stderr]       Adding x509-parser v0.14.0 (available: v0.18.0)
[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] 70f775982712e7073472934cb4a60eee8351e43554d8c02a1f7ff9549a3ed371
[INFO] running `Command { std: "docker" "start" "-a" "70f775982712e7073472934cb4a60eee8351e43554d8c02a1f7ff9549a3ed371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70f775982712e7073472934cb4a60eee8351e43554d8c02a1f7ff9549a3ed371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70f775982712e7073472934cb4a60eee8351e43554d8c02a1f7ff9549a3ed371", kill_on_drop: false }`
[INFO] [stdout] 70f775982712e7073472934cb4a60eee8351e43554d8c02a1f7ff9549a3ed371
[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] 3e08c441a4bf99acd23739a56524535e9039d6799aee8c89ed1e343ff1b87d4c
[INFO] running `Command { std: "docker" "start" "-a" "3e08c441a4bf99acd23739a56524535e9039d6799aee8c89ed1e343ff1b87d4c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling labrador v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/session.rs:446:9
[INFO] [stdout]     |
[INFO] [stdout] 446 |         pub fn del<K: AsRef<str>>(&self, key: K) -> LabradorResult<()> {
[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 `!: FromRedisValue` will fail
[INFO] [stdout]    --> src/session.rs:451:28
[INFO] [stdout]     |
[INFO] [stdout] 451 |             let s = client.del(key.as_ref())?;
[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] 451 |             let s: () = client.del(key.as_ref())?;
[INFO] [stdout]     |                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/session.rs:866:9
[INFO] [stdout]     |
[INFO] [stdout] 866 |         fn set<'a, K: AsRef<str>, T: ToStore>(&self, key: K, value: T, ttl: Option<usize>) -> LabradorResult<()> {
[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 `!: FromRedisValue` will fail
[INFO] [stdout]    --> src/session.rs:873:32
[INFO] [stdout]     |
[INFO] [stdout] 873 |                 let _ = client.set_ex(key, value.to_store(), seconds)?;
[INFO] [stdout]     |                                ^^^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 873 ~                 let _: () = client.set_ex(key, value.to_store(), seconds)?;
[INFO] [stdout] 874 |             } else {
[INFO] [stdout] 875 ~                 let _: () = client.set(key, value.to_store())?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `labrador` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3e08c441a4bf99acd23739a56524535e9039d6799aee8c89ed1e343ff1b87d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e08c441a4bf99acd23739a56524535e9039d6799aee8c89ed1e343ff1b87d4c", kill_on_drop: false }`
[INFO] [stdout] 3e08c441a4bf99acd23739a56524535e9039d6799aee8c89ed1e343ff1b87d4c
