[INFO] fetching crate labrador 0.2.3...
[INFO] testing labrador-0.2.3 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate labrador 0.2.3 into /workspace/builds/worker-5-tc1/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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate labrador 0.2.3 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 314 packages to latest compatible versions
[INFO] [stderr]       Adding aes v0.7.5 (available: v0.8.4)
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[INFO] [stderr]       Adding x509-parser v0.14.0 (available: v0.18.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b1ee0db23156c423c134bb026c9df3363a318e4b4c0d78b65fc5553efd979ec
[INFO] running `Command { std: "docker" "start" "-a" "1b1ee0db23156c423c134bb026c9df3363a318e4b4c0d78b65fc5553efd979ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b1ee0db23156c423c134bb026c9df3363a318e4b4c0d78b65fc5553efd979ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b1ee0db23156c423c134bb026c9df3363a318e4b4c0d78b65fc5553efd979ec", kill_on_drop: false }`
[INFO] [stdout] 1b1ee0db23156c423c134bb026c9df3363a318e4b4c0d78b65fc5553efd979ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 408394c9829ef175b958e8691c0773111620fa171f854033453c683a9510872e
[INFO] running `Command { std: "docker" "start" "-a" "408394c9829ef175b958e8691c0773111620fa171f854033453c683a9510872e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
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[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
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[INFO] [stderr]    Compiling hyper v0.14.32
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[INFO] [stderr]    Compiling reqwest v0.11.27
[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]     = 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]     = 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]     = 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]     = 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]     = 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: 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" "408394c9829ef175b958e8691c0773111620fa171f854033453c683a9510872e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "408394c9829ef175b958e8691c0773111620fa171f854033453c683a9510872e", kill_on_drop: false }`
[INFO] [stdout] 408394c9829ef175b958e8691c0773111620fa171f854033453c683a9510872e