[INFO] fetching crate cargo-unify 0.1.5...
[INFO] checking cargo-unify-0.1.5 against 1.95.0 for pr-155915
[INFO] extracting crate cargo-unify 0.1.5 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate cargo-unify 0.1.5
[INFO] finished tweaking crates.io crate cargo-unify 0.1.5
[INFO] tweaked toml for crates.io crate cargo-unify 0.1.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-unify 0.1.5 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-unify 0.1.5 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_derive v4.5.24
[INFO] [stderr]   Downloaded anyhow v1.0.95
[INFO] [stderr]   Downloaded clap v4.5.26
[INFO] [stderr]   Downloaded clap_builder v4.5.26
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fedd2263a612d4e381650f897fbbe6db9a50a00a6e930cc6d45f1e1ac925817
[INFO] running `Command { std: "docker" "start" "-a" "0fedd2263a612d4e381650f897fbbe6db9a50a00a6e930cc6d45f1e1ac925817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fedd2263a612d4e381650f897fbbe6db9a50a00a6e930cc6d45f1e1ac925817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fedd2263a612d4e381650f897fbbe6db9a50a00a6e930cc6d45f1e1ac925817", kill_on_drop: false }`
[INFO] [stdout] 0fedd2263a612d4e381650f897fbbe6db9a50a00a6e930cc6d45f1e1ac925817
[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=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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c16160f7abe68abdd8c45111b0abf8ced54b304b15069ba0ae31825cc5ecf906
[INFO] running `Command { std: "docker" "start" "-a" "c16160f7abe68abdd8c45111b0abf8ced54b304b15069ba0ae31825cc5ecf906", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking clap_builder v4.5.26
[INFO] [stderr]     Checking quote v1.0.38
[INFO] [stderr]     Checking syn v2.0.96
[INFO] [stderr]    Compiling clap_derive v4.5.24
[INFO] [stderr]     Checking clap v4.5.26
[INFO] [stderr]     Checking cargo-unify v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `let_chains` has been stable since `1.88.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `let_chains` has been stable since `1.88.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-unify` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-unify` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c16160f7abe68abdd8c45111b0abf8ced54b304b15069ba0ae31825cc5ecf906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16160f7abe68abdd8c45111b0abf8ced54b304b15069ba0ae31825cc5ecf906", kill_on_drop: false }`
[INFO] [stdout] c16160f7abe68abdd8c45111b0abf8ced54b304b15069ba0ae31825cc5ecf906
