[INFO] fetching crate mempool_space 0.0.60...
[INFO] testing mempool_space-0.0.60 against 1.95.0 for beta-1.96-1
[INFO] extracting crate mempool_space 0.0.60 into /workspace/builds/worker-2-tc1/source
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate mempool_space 0.0.60
[INFO] finished tweaking crates.io crate mempool_space 0.0.60
[INFO] tweaked toml for crates.io crate mempool_space 0.0.60 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mempool_space 0.0.60 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 mempool_space 0.0.60 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tui-input v0.8.0
[INFO] [stderr]   Downloaded dns-lookup v1.0.8
[INFO] [stderr]   Downloaded human-panic v1.2.3
[INFO] [stderr]   Downloaded derive_deref v1.1.1
[INFO] [stderr]   Downloaded redox_users v0.4.5
[INFO] [stderr]   Downloaded async-trait v0.1.81
[INFO] [stderr]   Downloaded ordered-multimap v0.6.0
[INFO] [stderr]   Downloaded mockall_derive v0.10.2
[INFO] [stderr]   Downloaded multipart v0.18.0
[INFO] [stderr]   Downloaded crossterm v0.27.0
[INFO] [stderr]   Downloaded config v0.14.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.18
[INFO] [stderr]   Downloaded portable-atomic v1.7.0
[INFO] [stderr]   Downloaded ureq v2.10.1
[INFO] [stderr]   Downloaded vte v0.11.1
[INFO] [stderr]   Downloaded color-spantrace v0.2.1
[INFO] [stderr]   Downloaded webpki-roots v0.26.3
[INFO] [stderr]   Downloaded rustls-webpki v0.102.6
[INFO] [stderr]   Downloaded serde v1.0.205
[INFO] [stderr]   Downloaded os_info v3.8.2
[INFO] [stderr]   Downloaded pest_meta v2.7.11
[INFO] [stderr]   Downloaded pest_derive v2.7.11
[INFO] [stderr]   Downloaded rustversion v1.0.17
[INFO] [stderr]   Downloaded rust-ini v0.19.0
[INFO] [stderr]   Downloaded directories v5.0.1
[INFO] [stderr]   Downloaded pest_generator v2.7.11
[INFO] [stderr]   Downloaded predicates v1.0.8
[INFO] [stderr]   Downloaded better-panic v0.3.0
[INFO] [stderr]   Downloaded predicates-core v1.0.8
[INFO] [stderr]   Downloaded rustls v0.23.12
[INFO] [stderr]   Downloaded mockall v0.10.2
[INFO] [stderr]   Downloaded serde_derive v1.0.205
[INFO] [stderr]   Downloaded downcast v0.10.0
[INFO] [stderr]   Downloaded fragile v2.0.0
[INFO] [stderr]   Downloaded fragile v1.2.2
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded termtree v0.4.1
[INFO] [stderr]   Downloaded predicates-tree v1.0.11
[INFO] [stderr]   Downloaded vte_generate_state_changes v0.1.2
[INFO] [stderr]   Downloaded strip-ansi-escapes v0.2.0
[INFO] [stderr]   Downloaded color-eyre v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9a6e4dcfc7f453fdccab3e1a9e57202f8eeb700e566c7740deef3bf41f09a1ee
[INFO] running `Command { std: "docker" "start" "-a" "9a6e4dcfc7f453fdccab3e1a9e57202f8eeb700e566c7740deef3bf41f09a1ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a6e4dcfc7f453fdccab3e1a9e57202f8eeb700e566c7740deef3bf41f09a1ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6e4dcfc7f453fdccab3e1a9e57202f8eeb700e566c7740deef3bf41f09a1ee", kill_on_drop: false }`
[INFO] [stdout] 9a6e4dcfc7f453fdccab3e1a9e57202f8eeb700e566c7740deef3bf41f09a1ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be14a08958283e1acbd94bb767e8bf631e1852a640c8b0170a03202f91ba3c56
[INFO] running `Command { std: "docker" "start" "-a" "be14a08958283e1acbd94bb767e8bf631e1852a640c8b0170a03202f91ba3c56", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling serde v1.0.205
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling cc v1.0.104
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling tinyvec v1.6.1
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling rustls-pki-types v1.7.0
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling winnow v0.6.18
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling dlv-list v0.5.2
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling portable-atomic v1.7.0
[INFO] [stderr]    Compiling rustls v0.23.12
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling predicates-core v1.0.8
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling ordered-multimap v0.6.0
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling console v0.15.8
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.2
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stderr]    Compiling fragile v2.0.0
[INFO] [stderr]    Compiling termtree v0.4.1
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling fastrand v2.1.0
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling convert_case v0.6.0
[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/1.95.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.68/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --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=5e8971f78b652069 -C extra-filename=-b0e0b74ec17c8ac4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-18db30ae224b549d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-798d0cea9bb74b49.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-dc69dd200c39893c.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "be14a08958283e1acbd94bb767e8bf631e1852a640c8b0170a03202f91ba3c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be14a08958283e1acbd94bb767e8bf631e1852a640c8b0170a03202f91ba3c56", kill_on_drop: false }`
[INFO] [stdout] be14a08958283e1acbd94bb767e8bf631e1852a640c8b0170a03202f91ba3c56