[INFO] fetching crate anyflux 0.1.0...
[INFO] checking anyflux-0.1.0 against try#ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1 for pr-145108
[INFO] extracting crate anyflux 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate anyflux 0.1.0
[INFO] finished tweaking crates.io crate anyflux 0.1.0
[INFO] tweaked toml for crates.io crate anyflux 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate anyflux 0.1.0 on toolchain ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "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" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 67 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78000a451fb6fa44708a0fec566e7f6d69cffd4a7acc9b9b29db36a43fea7253
[INFO] running `Command { std: "docker" "start" "-a" "78000a451fb6fa44708a0fec566e7f6d69cffd4a7acc9b9b29db36a43fea7253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78000a451fb6fa44708a0fec566e7f6d69cffd4a7acc9b9b29db36a43fea7253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78000a451fb6fa44708a0fec566e7f6d69cffd4a7acc9b9b29db36a43fea7253", kill_on_drop: false }`
[INFO] [stdout] 78000a451fb6fa44708a0fec566e7f6d69cffd4a7acc9b9b29db36a43fea7253
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11d7d3a7c8b8e1b57a1b027b552778787bc38202b4c686a4fef09b4cc0e447d2
[INFO] running `Command { std: "docker" "start" "-a" "11d7d3a7c8b8e1b57a1b027b552778787bc38202b4c686a4fef09b4cc0e447d2", kill_on_drop: false }`
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr] error: could not compile `syn` (build script)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1/bin/rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no --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="quote"' --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=f279515f0f15ec8f -C extra-filename=-52126b94e7e25014 --out-dir /opt/rustwide/target/debug/build/syn-52126b94e7e25014 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "11d7d3a7c8b8e1b57a1b027b552778787bc38202b4c686a4fef09b4cc0e447d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11d7d3a7c8b8e1b57a1b027b552778787bc38202b4c686a4fef09b4cc0e447d2", kill_on_drop: false }`
[INFO] [stdout] 11d7d3a7c8b8e1b57a1b027b552778787bc38202b4c686a4fef09b4cc0e447d2