[INFO] fetching crate algos 0.6.8...
[INFO] testing algos-0.6.8 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate algos 0.6.8 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate algos 0.6.8
[INFO] finished tweaking crates.io crate algos 0.6.8
[INFO] tweaked toml for crates.io crate algos 0.6.8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate algos 0.6.8 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 algos 0.6.8 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 oorandom v11.1.4
[INFO] [stderr]   Downloaded is-terminal v0.4.15
[INFO] [stderr]   Downloaded coveralls-api v0.6.0
[INFO] [stderr]   Downloaded cargo_metadata v0.19.1
[INFO] [stderr]   Downloaded llvm_profparser v0.7.1
[INFO] [stderr]   Downloaded procfs v0.17.0
[INFO] [stderr]   Downloaded num-prime v0.4.4
[INFO] [stderr]   Downloaded clap_derive v4.5.24
[INFO] [stderr]   Downloaded clap v4.5.27
[INFO] [stderr]   Downloaded procfs-core v0.17.0
[INFO] [stderr]   Downloaded num-modular v0.5.1
[INFO] [stderr]   Downloaded cargo-tarpaulin v0.32.0
[INFO] [stderr]   Downloaded git2 v0.20.0
[INFO] [stderr]   Downloaded libgit2-sys v0.18.0+1.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d34fb815c7507d281ad53f8d95f8574af1c66f19af31fb7085d250c3939cf75e
[INFO] running `Command { std: "docker" "start" "-a" "d34fb815c7507d281ad53f8d95f8574af1c66f19af31fb7085d250c3939cf75e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d34fb815c7507d281ad53f8d95f8574af1c66f19af31fb7085d250c3939cf75e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d34fb815c7507d281ad53f8d95f8574af1c66f19af31fb7085d250c3939cf75e", kill_on_drop: false }`
[INFO] [stdout] d34fb815c7507d281ad53f8d95f8574af1c66f19af31fb7085d250c3939cf75e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 98a100a28d7c8145e8f92d76646ecd433a7dae6f5dbbb55cd8bac921e4439437
[INFO] running `Command { std: "docker" "start" "-a" "98a100a28d7c8145e8f92d76646ecd433a7dae6f5dbbb55cd8bac921e4439437", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling zerocopy v0.8.18
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling foldhash v0.1.4
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling rand_core v0.9.1
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling num-modular v0.5.1
[INFO] [stderr]    Compiling num-prime v0.4.4
[INFO] [stderr]    Compiling algos v0.6.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/cs/combinatorial/subset_gen.rs:98:36
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn power_set_iter<T>(elements: &[T]) -> PowerSet<T> {
[INFO] [stdout]    |                                    ^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn power_set_iter<T>(elements: &[T]) -> PowerSet<'_, T> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.97s
[INFO] running `Command { std: "docker" "inspect" "98a100a28d7c8145e8f92d76646ecd433a7dae6f5dbbb55cd8bac921e4439437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98a100a28d7c8145e8f92d76646ecd433a7dae6f5dbbb55cd8bac921e4439437", kill_on_drop: false }`
[INFO] [stdout] 98a100a28d7c8145e8f92d76646ecd433a7dae6f5dbbb55cd8bac921e4439437
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 48adbe1a66f7901e6815f6a39503022e79ef06622ba386c13fad901e62d07d97
[INFO] running `Command { std: "docker" "start" "-a" "48adbe1a66f7901e6815f6a39503022e79ef06622ba386c13fad901e62d07d97", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]    Compiling openssl v0.10.70
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]    Compiling native-tls v0.2.13
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling httparse v1.10.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling miniz_oxide v0.8.3
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling camino v1.1.9
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling clap_builder v4.5.27
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling gzip-header v1.0.0
[INFO] [stderr]    Compiling cc v1.2.11
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling llvm_profparser v0.7.1
[INFO] [stderr]    Compiling procfs v0.17.0
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling winnow v0.7.0
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling deflate v1.0.0
[INFO] [stderr]    Compiling procfs-core v0.17.0
[INFO] [stderr]    Compiling cargo-tarpaulin v0.32.0
[INFO] [stderr]    Compiling ruzstd v0.7.3
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.98/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=973139b3b1582ed9 -C extra-filename=-441aff83f8d87eb5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0dc059c84d64d66b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a8dadc451bdc823b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-5ba03c4f2a91aca6.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "48adbe1a66f7901e6815f6a39503022e79ef06622ba386c13fad901e62d07d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48adbe1a66f7901e6815f6a39503022e79ef06622ba386c13fad901e62d07d97", kill_on_drop: false }`
[INFO] [stdout] 48adbe1a66f7901e6815f6a39503022e79ef06622ba386c13fad901e62d07d97