[INFO] cloning repository https://github.com/7h0ma5/microscpi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/7h0ma5/microscpi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7h0ma5%2Fmicroscpi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7h0ma5%2Fmicroscpi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7201222ae5cccc3ee3072ea5d2eb118bb936f15f
[INFO] building 7h0ma5/microscpi against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7h0ma5%2Fmicroscpi" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/7h0ma5/microscpi on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/7h0ma5/microscpi
[INFO] finished tweaking git repo https://github.com/7h0ma5/microscpi
[INFO] tweaked toml for git repo https://github.com/7h0ma5/microscpi written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/7h0ma5/microscpi 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-error2 v2.0.1
[INFO] [stderr]   Downloaded tinytemplate v1.2.1
[INFO] [stderr]   Downloaded defmt v1.0.1
[INFO] [stderr]   Downloaded ciborium-io v0.2.2
[INFO] [stderr]   Downloaded criterion-plot v0.5.0
[INFO] [stderr]   Downloaded defmt-parser v1.0.0
[INFO] [stderr]   Downloaded anes v0.1.6
[INFO] [stderr]   Downloaded ciborium v0.2.2
[INFO] [stderr]   Downloaded clap v4.5.38
[INFO] [stderr]   Downloaded oorandom v11.1.5
[INFO] [stderr]   Downloaded criterion v0.6.0
[INFO] [stderr]   Downloaded cc v1.2.24
[INFO] [stderr]   Downloaded heapless v0.8.0
[INFO] [stderr]   Downloaded ciborium-ll v0.2.2
[INFO] [stderr]   Downloaded clap_builder v4.5.38
[INFO] [stderr]   Downloaded plotters v0.3.7
[INFO] [stderr]   Downloaded plotters-backend v0.3.7
[INFO] [stderr]   Downloaded defmt-macros v1.0.1
[INFO] [stderr]   Downloaded proc-macro-error-attr2 v2.0.0
[INFO] [stderr]   Downloaded plotters-svg v0.3.7
[INFO] [stderr]   Downloaded hash32 v0.3.1
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41ea433f7dc95a87af9bba4b8efd561a4eab40a3075d8ef8e9ba5d81c594b4f6
[INFO] running `Command { std: "docker" "start" "-a" "41ea433f7dc95a87af9bba4b8efd561a4eab40a3075d8ef8e9ba5d81c594b4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41ea433f7dc95a87af9bba4b8efd561a4eab40a3075d8ef8e9ba5d81c594b4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41ea433f7dc95a87af9bba4b8efd561a4eab40a3075d8ef8e9ba5d81c594b4f6", kill_on_drop: false }`
[INFO] [stdout] 41ea433f7dc95a87af9bba4b8efd561a4eab40a3075d8ef8e9ba5d81c594b4f6
[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=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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e62230373bb6fc3ea8854a98a022d5bac5d58db41f9376e2f0c222a77296e592
[INFO] running `Command { std: "docker" "start" "-a" "e62230373bb6fc3ea8854a98a022d5bac5d58db41f9376e2f0c222a77296e592", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling arbitrary v1.4.1
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling cc v1.2.24
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling libfuzzer-sys v0.4.9
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling regex v1.11.1
[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/44f415c1d617ebc7b931a243b7b321ef8a6ca47c/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.101/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --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=93762c4372205e0a -C extra-filename=-77df1fc1340eeb92 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-814201c9c9fb41d0.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-42acab3ddf8115d2.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-c688b4ccf30f1ef6.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" "e62230373bb6fc3ea8854a98a022d5bac5d58db41f9376e2f0c222a77296e592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e62230373bb6fc3ea8854a98a022d5bac5d58db41f9376e2f0c222a77296e592", kill_on_drop: false }`
[INFO] [stdout] e62230373bb6fc3ea8854a98a022d5bac5d58db41f9376e2f0c222a77296e592