[INFO] fetching crate ffsvm 0.12.0...
[INFO] checking ffsvm-0.12.0 against master#cccf075eba88363269e8589ebb8d40874cc542d8 for pr-142681
[INFO] extracting crate ffsvm 0.12.0 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate ffsvm 0.12.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ffsvm 0.12.0
[INFO] tweaked toml for crates.io crate ffsvm 0.12.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ffsvm 0.12.0 on toolchain cccf075eba88363269e8589ebb8d40874cc542d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ffsvm 0.12.0 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" "+cccf075eba88363269e8589ebb8d40874cc542d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simd_aligned v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6049039a2a3901da0f214ddd2347f1d7cfcc31bfb4e4d058af72efd0f438af99
[INFO] running `Command { std: "docker" "start" "-a" "6049039a2a3901da0f214ddd2347f1d7cfcc31bfb4e4d058af72efd0f438af99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6049039a2a3901da0f214ddd2347f1d7cfcc31bfb4e4d058af72efd0f438af99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6049039a2a3901da0f214ddd2347f1d7cfcc31bfb4e4d058af72efd0f438af99", kill_on_drop: false }`
[INFO] [stdout] 6049039a2a3901da0f214ddd2347f1d7cfcc31bfb4e4d058af72efd0f438af99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88845fa8525d9b4ce412926d5f422e16822ee5274492ba1b269b7325a96ea16d
[INFO] running `Command { std: "docker" "start" "-a" "88845fa8525d9b4ce412926d5f422e16822ee5274492ba1b269b7325a96ea16d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking bytemuck v1.20.0
[INFO] [stderr]     Checking safe_arch v0.7.2
[INFO] [stderr]     Checking wide v0.7.30
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]     Checking simd_aligned v0.6.1
[INFO] [stderr]     Checking ffsvm v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/parser.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub const fn header(&self) -> &Header {
[INFO] [stdout]    |                         ^^^^^     -------
[INFO] [stdout]    |                         |         ||
[INFO] [stdout]    |                         |         |the lifetimes get resolved as `'_`
[INFO] [stdout]    |                         |         the lifetimes get resolved as `'_`
[INFO] [stdout]    |                         this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub const fn header(&self) -> &Header<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to write /tmp/rustcgBOl6y/lib.rmeta: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syn` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "88845fa8525d9b4ce412926d5f422e16822ee5274492ba1b269b7325a96ea16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88845fa8525d9b4ce412926d5f422e16822ee5274492ba1b269b7325a96ea16d", kill_on_drop: false }`
[INFO] [stdout] 88845fa8525d9b4ce412926d5f422e16822ee5274492ba1b269b7325a96ea16d