[INFO] fetching crate ltv 0.2.21...
[INFO] testing ltv-0.2.21 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate ltv 0.2.21 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate ltv 0.2.21
[INFO] finished tweaking crates.io crate ltv 0.2.21
[INFO] tweaked toml for crates.io crate ltv 0.2.21 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ltv 0.2.21 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ltv 0.2.21 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ltv_derive_impl v0.2.11
[INFO] [stderr]   Downloaded ltv_derive v0.2.8
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6456c436c06500adeb29a868efb3285b4b0b43d9a4682931645338f61fb86e84
[INFO] running `Command { std: "docker" "start" "-a" "6456c436c06500adeb29a868efb3285b4b0b43d9a4682931645338f61fb86e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6456c436c06500adeb29a868efb3285b4b0b43d9a4682931645338f61fb86e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6456c436c06500adeb29a868efb3285b4b0b43d9a4682931645338f61fb86e84", kill_on_drop: false }`
[INFO] [stdout] 6456c436c06500adeb29a868efb3285b4b0b43d9a4682931645338f61fb86e84
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 2a7a61ab71351bdc2f3cf25b74723978bdfc423cbb331c0e8e477bbd49df5c88
[INFO] running `Command { std: "docker" "start" "-a" "2a7a61ab71351bdc2f3cf25b74723978bdfc423cbb331c0e8e477bbd49df5c88", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling ltv_derive_impl v0.2.11
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ltv_derive_impl-0.2.11/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_generics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.56.0 (you are using 1.89.0-nightly (8de4c7234 2025-06-19)); see <https://github.com/rust-lang/rust/pull/88369> for more information
[INFO] [stdout]   = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ltv_derive_impl` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2a7a61ab71351bdc2f3cf25b74723978bdfc423cbb331c0e8e477bbd49df5c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a7a61ab71351bdc2f3cf25b74723978bdfc423cbb331c0e8e477bbd49df5c88", kill_on_drop: false }`
[INFO] [stdout] 2a7a61ab71351bdc2f3cf25b74723978bdfc423cbb331c0e8e477bbd49df5c88