[INFO] fetching crate stackless 0.3.3...
[INFO] testing stackless-0.3.3 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate stackless 0.3.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate stackless 0.3.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate stackless 0.3.3
[INFO] tweaked toml for crates.io crate stackless 0.3.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stackless 0.3.3 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stackless 0.3.3 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 86380a8e3e269dfeb9ee446a3ba769ae730f4c6404a005fd705d3f0ef7f17877
[INFO] running `Command { std: "docker" "start" "86380a8e3e269dfeb9ee446a3ba769ae730f4c6404a005fd705d3f0ef7f17877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86380a8e3e269dfeb9ee446a3ba769ae730f4c6404a005fd705d3f0ef7f17877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "86380a8e3e269dfeb9ee446a3ba769ae730f4c6404a005fd705d3f0ef7f17877" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86380a8e3e269dfeb9ee446a3ba769ae730f4c6404a005fd705d3f0ef7f17877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "86380a8e3e269dfeb9ee446a3ba769ae730f4c6404a005fd705d3f0ef7f17877" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling log v0.4.32
[INFO] [stderr]    Compiling memchr v2.8.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling rustls-pki-types v1.14.1
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling litemap v0.8.2
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling writeable v0.6.3
[INFO] [stderr]    Compiling aws-lc-rs v1.17.0
[INFO] [stderr]    Compiling icu_properties_data v2.2.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.2.0
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling rustls v0.23.40
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling aws-lc-sys v0.41.0
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling home v0.5.12
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling webpki-roots v1.0.7
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling ipnet v2.12.0
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling zerocopy v0.8.52
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling webpki-roots v0.26.11
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]    Compiling oxgraph-topology v0.4.3
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling unicase v2.9.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.38.1
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling socket2 v0.6.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling mio v1.2.1
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling libsql-sqlite3-parser v0.13.0
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling oxgraph-graph v0.4.3
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling winnow v1.0.3
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling rustls-native-certs v0.8.4
[INFO] [stderr]    Compiling rustls-native-certs v0.7.3
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling oxgraph-hyper v0.4.3
[INFO] [stderr]    Compiling toml_writer v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling oxgraph-algo v0.4.3
[INFO] [stderr]    Compiling serde_spanned v1.1.1
[INFO] [stderr]    Compiling regex v1.12.4
[INFO] [stderr]    Compiling toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling hashlink v0.12.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.9
[INFO] [stderr]    Compiling uuid v1.23.3
[INFO] [stderr]    Compiling sysinfo v0.39.3
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling time v0.3.49
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling toml v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling toml_edit v0.25.12+spec-1.1.0
[INFO] [stderr]    Compiling imara-diff v0.2.0
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling filetime v0.2.29
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling shell-words v1.1.1
[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/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --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="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=cc64b5592db1569a -C extra-filename=-c3ddb4f2d88afdfd --out-dir /opt/rustwide/target/debug/build/syn/c3ddb4f2d88afdfd/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/154be7f81f34ed1b/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/86faa6b6bcc5b157/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/154be7f81f34ed1b/out/libproc_macro2-154be7f81f34ed1b.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/a87dd5cb7e80719c/out/libquote-a87dd5cb7e80719c.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/86faa6b6bcc5b157/out/libunicode_ident-86faa6b6bcc5b157.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "86380a8e3e269dfeb9ee446a3ba769ae730f4c6404a005fd705d3f0ef7f17877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86380a8e3e269dfeb9ee446a3ba769ae730f4c6404a005fd705d3f0ef7f17877", kill_on_drop: false }`
[INFO] [stdout] 86380a8e3e269dfeb9ee446a3ba769ae730f4c6404a005fd705d3f0ef7f17877
