[INFO] fetching crate snippet 0.1.6...
[INFO] building snippet-0.1.6 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate snippet 0.1.6 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate snippet 0.1.6
[INFO] finished tweaking crates.io crate snippet 0.1.6
[INFO] tweaked toml for crates.io crate snippet 0.1.6 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate snippet 0.1.6 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] crate crates.io crate snippet 0.1.6 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] be4a15779dd4c2ec2248897b7adf3a938b1c328ea79f89ff551b467a90e97409
[INFO] running `Command { std: "docker" "start" "-a" "be4a15779dd4c2ec2248897b7adf3a938b1c328ea79f89ff551b467a90e97409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be4a15779dd4c2ec2248897b7adf3a938b1c328ea79f89ff551b467a90e97409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be4a15779dd4c2ec2248897b7adf3a938b1c328ea79f89ff551b467a90e97409", kill_on_drop: false }`
[INFO] [stdout] be4a15779dd4c2ec2248897b7adf3a938b1c328ea79f89ff551b467a90e97409
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 252b32f506ce80907ca04b0cf4ddc77f9c00e3bb33eb5a5cfee64301f78a059c
[INFO] running `Command { std: "docker" "start" "-a" "252b32f506ce80907ca04b0cf4ddc77f9c00e3bb33eb5a5cfee64301f78a059c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling bytes v1.7.1
[INFO] [stderr]    Compiling anyhow v1.0.87
[INFO] [stderr]    Compiling value-bag v1.9.0
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling rustix v0.38.36
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling cranelift-isle v0.111.0
[INFO] [stderr]    Compiling ipnet v2.9.0
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]    Compiling fastrand v2.1.1
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling event-listener v5.3.1
[INFO] [stderr]    Compiling io-lifetimes v2.0.3
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.111.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.111.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.2
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling futures-lite v2.3.0
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling slice-group-by v0.3.1
[INFO] [stderr]    Compiling arbitrary v1.3.2
[INFO] [stderr]    Compiling futures-task v0.3.30
[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=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.77/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=57368ecf23b9ef6e -C extra-filename=-447bc2e5b4e9954d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-90f4d189e3c1781a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-0660da8593602ac0.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2de522ba645d884.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" "252b32f506ce80907ca04b0cf4ddc77f9c00e3bb33eb5a5cfee64301f78a059c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "252b32f506ce80907ca04b0cf4ddc77f9c00e3bb33eb5a5cfee64301f78a059c", kill_on_drop: false }`
[INFO] [stdout] 252b32f506ce80907ca04b0cf4ddc77f9c00e3bb33eb5a5cfee64301f78a059c