[INFO] fetching crate mfio-rt 0.1.0...
[INFO] checking mfio-rt-0.1.0 against master#b44e14f762fd4062faeba97f8f2bc470298ec1ac for pr-135331
[INFO] extracting crate mfio-rt 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mfio-rt 0.1.0 on toolchain b44e14f762fd4062faeba97f8f2bc470298ec1ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mfio-rt 0.1.0
[INFO] finished tweaking crates.io crate mfio-rt 0.1.0
[INFO] tweaked toml for crates.io crate mfio-rt 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 237 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.6)
[INFO] [stderr]       Adding flume v0.10.14 (available: v0.11.1)
[INFO] [stderr]       Adding glommio v0.8.0 (available: v0.9.0)
[INFO] [stderr]       Adding io-uring v0.6.4 (available: v0.7.3)
[INFO] [stderr]       Adding mio v0.8.11 (available: v1.0.3)
[INFO] [stderr]       Adding nix v0.26.4 (available: v0.29.0)
[INFO] [stderr]       Adding pollster v0.3.0 (available: v0.4.0)
[INFO] [stderr]       Adding smol v1.3.0 (available: v2.0.2)
[INFO] [stderr]       Adding typed-path v0.7.1 (available: v0.10.0)
[INFO] [stderr]       Adding windows v0.51.1 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mfio-derive v0.1.0
[INFO] [stderr]   Downloaded cglue v0.2.14
[INFO] [stderr]   Downloaded tarc v0.1.4
[INFO] [stderr]   Downloaded async-semaphore v1.2.0
[INFO] [stderr]   Downloaded cglue-macro v0.2.3
[INFO] [stderr]   Downloaded force-send-sync v1.1.0
[INFO] [stderr]   Downloaded typed-path v0.7.1
[INFO] [stderr]   Downloaded enclose v1.2.0
[INFO] [stderr]   Downloaded buddy-alloc v0.4.2
[INFO] [stderr]   Downloaded mfio v0.1.0
[INFO] [stderr]   Downloaded cglue-gen v0.2.9
[INFO] [stderr]   Downloaded rio v0.9.4
[INFO] [stderr]   Downloaded rlimit v0.6.2
[INFO] [stderr]   Downloaded sketches-ddsketch v0.1.3
[INFO] [stderr]   Downloaded glommio v0.8.0
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 374dbbb33d29a34dda2623a6ecc256812f2b0f8a56b05d0d52d80426a41540c6
[INFO] running `Command { std: "docker" "start" "-a" "374dbbb33d29a34dda2623a6ecc256812f2b0f8a56b05d0d52d80426a41540c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "374dbbb33d29a34dda2623a6ecc256812f2b0f8a56b05d0d52d80426a41540c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "374dbbb33d29a34dda2623a6ecc256812f2b0f8a56b05d0d52d80426a41540c6", kill_on_drop: false }`
[INFO] [stdout] 374dbbb33d29a34dda2623a6ecc256812f2b0f8a56b05d0d52d80426a41540c6
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 158566bbb6d78bae0ad1fc0fe8abc08f4172f82927e280fcac0dc2a3ad7a8673
[INFO] running `Command { std: "docker" "start" "-a" "158566bbb6d78bae0ad1fc0fe8abc08f4172f82927e280fcac0dc2a3ad7a8673", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling rustix v0.38.43
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking bitflags v2.7.0
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking futures-lite v2.5.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]    Compiling semver v1.0.24
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling winnow v0.6.22
[INFO] [stderr]     Checking event-listener v5.4.0
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]     Checking lock_api v0.4.12
[INFO] [stderr]     Checking event-listener-strategy v0.5.3
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking bytes v1.9.0
[INFO] [stderr]    Compiling cglue v0.2.14
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling cc v1.2.7
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking tarc v0.1.4
[INFO] [stderr]     Checking no-std-compat v0.4.1
[INFO] [stderr]    Compiling io-uring v0.6.4
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking miniz_oxide v0.8.2
[INFO] [stderr]     Checking async-executor v1.13.1
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking crossbeam-channel v0.5.14
[INFO] [stderr]     Checking cache-padded v1.3.0
[INFO] [stderr]     Checking rangemap v1.5.1
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking bytemuck v1.21.0
[INFO] [stderr]     Checking owned-alloc v0.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking lockfree v0.5.1
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking rlimit v0.6.2
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]     Checking intrusive-collections v0.9.7
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling glommio v0.8.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking typed-path v0.7.1
[INFO] [stderr]     Checking bitmaps v3.2.1
[INFO] [stderr]     Checking sketches-ddsketch v0.1.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking oneshot v0.1.8
[INFO] [stderr]     Checking enclose v1.2.0
[INFO] [stderr]     Checking buddy-alloc v0.4.2
[INFO] [stderr]     Checking tempdir v0.3.7
[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/b44e14f762fd4062faeba97f8f2bc470298ec1ac/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.96/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=35f60e164bdee379 -C extra-filename=-f1ef7282d20c167c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4791378b95cfd97e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ddbab68ed2205137.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-13328ff8d6cc16fd.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" "158566bbb6d78bae0ad1fc0fe8abc08f4172f82927e280fcac0dc2a3ad7a8673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "158566bbb6d78bae0ad1fc0fe8abc08f4172f82927e280fcac0dc2a3ad7a8673", kill_on_drop: false }`
[INFO] [stdout] 158566bbb6d78bae0ad1fc0fe8abc08f4172f82927e280fcac0dc2a3ad7a8673