[INFO] fetching crate cargo-container 0.0.0... [INFO] testing cargo-container-0.0.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate cargo-container 0.0.0 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate cargo-container 0.0.0 [INFO] finished tweaking crates.io crate cargo-container 0.0.0 [INFO] tweaked toml for crates.io crate cargo-container 0.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate cargo-container 0.0.0 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 cargo-container 0.0.0 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 toml v0.5.7 [INFO] [stderr] Downloaded semver-parser v0.10.1 [INFO] [stderr] Downloaded cargo-local-install v0.1.7 [INFO] [stderr] Downloaded mmrbi v0.0.5 [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] 146b506731fdb743afdf681e699f64b60676a4c0bd3933afce793c04f9d191b4 [INFO] running `Command { std: "docker" "start" "-a" "146b506731fdb743afdf681e699f64b60676a4c0bd3933afce793c04f9d191b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "146b506731fdb743afdf681e699f64b60676a4c0bd3933afce793c04f9d191b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "146b506731fdb743afdf681e699f64b60676a4c0bd3933afce793c04f9d191b4", kill_on_drop: false }` [INFO] [stdout] 146b506731fdb743afdf681e699f64b60676a4c0bd3933afce793c04f9d191b4 [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] 0ffbea484d2c60ad66277f6c3f454745b1d60ed4d652d28c3115596154499c3f [INFO] running `Command { std: "docker" "start" "-a" "0ffbea484d2c60ad66277f6c3f454745b1d60ed4d652d28c3115596154499c3f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling semver-parser v0.10.1 [INFO] [stdout] error[E0658]: custom inner attributes are unstable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/semver-parser-0.10.1/src/generated.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | #![rustfmt::skip] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #54726 for more information [INFO] [stdout] = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `semver-parser` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "0ffbea484d2c60ad66277f6c3f454745b1d60ed4d652d28c3115596154499c3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ffbea484d2c60ad66277f6c3f454745b1d60ed4d652d28c3115596154499c3f", kill_on_drop: false }` [INFO] [stdout] 0ffbea484d2c60ad66277f6c3f454745b1d60ed4d652d28c3115596154499c3f