[INFO] fetching crate runa-macros 0.0.1-alpha1...
[INFO] building runa-macros-0.0.1-alpha1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate runa-macros 0.0.1-alpha1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate runa-macros 0.0.1-alpha1
[INFO] finished tweaking crates.io crate runa-macros 0.0.1-alpha1
[INFO] tweaked toml for crates.io crate runa-macros 0.0.1-alpha1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate runa-macros 0.0.1-alpha1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 154 packages to latest compatible versions
[INFO] [stderr]       Adding darling v0.14.4 (available: v0.21.3)
[INFO] [stderr]       Adding futures-lite v1.13.0 (available: v2.6.1)
[INFO] [stderr]       Adding heck v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding num_enum v0.5.11 (available: v0.7.4)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4c1aaa8bb8e36f3b7bb24e1829112e936414b694866506fc3872c85210f7281
[INFO] running `Command { std: "docker" "start" "-a" "d4c1aaa8bb8e36f3b7bb24e1829112e936414b694866506fc3872c85210f7281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4c1aaa8bb8e36f3b7bb24e1829112e936414b694866506fc3872c85210f7281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4c1aaa8bb8e36f3b7bb24e1829112e936414b694866506fc3872c85210f7281", kill_on_drop: false }`
[INFO] [stdout] d4c1aaa8bb8e36f3b7bb24e1829112e936414b694866506fc3872c85210f7281
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9518db0a1aa0d1f22f643000d12409c429a2fe016251a418a4b1bbc1f36c5cc4
[INFO] running `Command { std: "docker" "start" "-a" "9518db0a1aa0d1f22f643000d12409c429a2fe016251a418a4b1bbc1f36c5cc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling runa-macros v0.0.1-alpha1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Reject` is never constructed
[INFO] [stdout]   --> src/lib.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Reject;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `Command { std: "docker" "inspect" "9518db0a1aa0d1f22f643000d12409c429a2fe016251a418a4b1bbc1f36c5cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9518db0a1aa0d1f22f643000d12409c429a2fe016251a418a4b1bbc1f36c5cc4", kill_on_drop: false }`
[INFO] [stdout] 9518db0a1aa0d1f22f643000d12409c429a2fe016251a418a4b1bbc1f36c5cc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12e93185ef61c15f21a92d6811322dc6528b6ae96a047e3d664632968343378e
[INFO] running `Command { std: "docker" "start" "-a" "12e93185ef61c15f21a92d6811322dc6528b6ae96a047e3d664632968343378e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling quick-xml v0.28.2
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling rust-format v0.3.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling linkify v0.9.0
[INFO] [stderr]    Compiling fixed v1.29.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling event-listener v5.4.1
[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/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="quote"' --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", "quote", "test", "visit", "visit-mut"))' -C metadata=9aee073471bd08d3 -C extra-filename=-33fe93f2eeae2a7d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-10298f62ab753afe.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-fba756bf0b25a9a0.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-6ac3b87590d2322c.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "12e93185ef61c15f21a92d6811322dc6528b6ae96a047e3d664632968343378e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12e93185ef61c15f21a92d6811322dc6528b6ae96a047e3d664632968343378e", kill_on_drop: false }`
[INFO] [stdout] 12e93185ef61c15f21a92d6811322dc6528b6ae96a047e3d664632968343378e