[INFO] fetching crate mfio-rt 0.1.0...
[INFO] checking mfio-rt-0.1.0 against master#4068bafedd8ba724e332a5221c06a6fa531a30d2 for pr-146978
[INFO] extracting crate mfio-rt 0.1.0 into /workspace/builds/worker-1-tc1/source
[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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mfio-rt 0.1.0 on toolchain 4068bafedd8ba724e332a5221c06a6fa531a30d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4068bafedd8ba724e332a5221c06a6fa531a30d2" "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" "+4068bafedd8ba724e332a5221c06a6fa531a30d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 253 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.7.0)
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.8)
[INFO] [stderr]       Adding flume v0.10.14 (available: v0.11.1)
[INFO] [stderr]       Adding force-send-sync v1.2.0 (available: v2.0.0)
[INFO] [stderr]       Adding glommio v0.8.0 (available: v0.9.0)
[INFO] [stderr]       Adding io-uring v0.6.4 (available: v0.7.10)
[INFO] [stderr]       Adding mio v0.8.11 (available: v1.1.0)
[INFO] [stderr]       Adding nix v0.26.4 (available: v0.30.1)
[INFO] [stderr]       Adding pollster v0.3.0 (available: v0.4.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding smol v1.3.0 (available: v2.0.2)
[INFO] [stderr]       Adding typed-path v0.7.1 (available: v0.12.0)
[INFO] [stderr]       Adding windows v0.51.1 (available: v0.62.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4068bafedd8ba724e332a5221c06a6fa531a30d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-core v0.51.1
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded rdrand v0.4.0
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded tempdir v0.3.7
[INFO] [stderr]   Downloaded remove_dir_all v0.5.3
[INFO] [stderr]   Downloaded memoffset v0.7.1
[INFO] [stderr]   Downloaded event-listener v3.1.0
[INFO] [stderr]   Downloaded typed-path v0.7.1
[INFO] [stderr]   Downloaded buddy-alloc v0.4.2
[INFO] [stderr]   Downloaded plotters-backend v0.3.7
[INFO] [stderr]   Downloaded clap v4.5.50
[INFO] [stderr]   Downloaded async-semaphore v1.2.1
[INFO] [stderr]   Downloaded ahash v0.7.8
[INFO] [stderr]   Downloaded cglue-gen v0.2.9
[INFO] [stderr]   Downloaded rio v0.9.4
[INFO] [stderr]   Downloaded smol v1.3.0
[INFO] [stderr]   Downloaded concurrent-queue v1.2.4
[INFO] [stderr]   Downloaded intrusive-collections v0.9.7
[INFO] [stderr]   Downloaded clap_builder v4.5.50
[INFO] [stderr]   Downloaded criterion v0.5.1
[INFO] [stderr]   Downloaded nix v0.23.2
[INFO] [stderr]   Downloaded memoffset v0.6.5
[INFO] [stderr]   Downloaded io-uring v0.6.4
[INFO] [stderr]   Downloaded pollster v0.3.0
[INFO] [stderr]   Downloaded async-process v1.8.1
[INFO] [stderr]   Downloaded fastrand v1.9.0
[INFO] [stderr]   Downloaded plotters-svg v0.3.7
[INFO] [stderr]   Downloaded force-send-sync v1.2.0
[INFO] [stderr]   Downloaded cache-padded v1.3.0
[INFO] [stderr]   Downloaded crossbeam v0.8.4
[INFO] [stderr]   Downloaded enclose v1.2.1
[INFO] [stderr]   Downloaded nanorand v0.7.0
[INFO] [stderr]   Downloaded owned-alloc v0.2.0
[INFO] [stderr]   Downloaded rangemap v1.6.0
[INFO] [stderr]   Downloaded plotters v0.3.7
[INFO] [stderr]   Downloaded oneshot v0.1.11
[INFO] [stderr]   Downloaded pathdiff v0.2.3
[INFO] [stderr]   Downloaded socket2 v0.4.10
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded glommio v0.8.0
[INFO] [stderr]   Downloaded bitmaps v3.2.1
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.12
[INFO] [stderr]   Downloaded cglue-macro v0.2.3
[INFO] [stderr]   Downloaded async-channel v1.9.0
[INFO] [stderr]   Downloaded async-fs v1.6.0
[INFO] [stderr]   Downloaded async-net v1.8.0
[INFO] [stderr]   Downloaded event-listener v2.5.3
[INFO] [stderr]   Downloaded async-lock v2.8.0
[INFO] [stderr]   Downloaded futures-lite v1.13.0
[INFO] [stderr]   Downloaded flume v0.10.14
[INFO] [stderr]   Downloaded lockfree v0.5.1
[INFO] [stderr]   Downloaded sketches-ddsketch v0.1.3
[INFO] [stderr]   Downloaded no-std-compat v0.4.1
[INFO] [stderr]   Downloaded cglue v0.2.14
[INFO] [stderr]   Downloaded rustix v0.37.28
[INFO] [stderr]   Downloaded async-io v1.13.0
[INFO] [stderr]   Downloaded waker-fn v1.2.0
[INFO] [stderr]   Downloaded rlimit v0.6.2
[INFO] [stderr]   Downloaded mio v0.8.11
[INFO] [stderr]   Downloaded signal-hook v0.3.18
[INFO] [stderr]   Downloaded tarc v0.1.6
[INFO] [stderr]   Downloaded pollster-macro v0.1.0
[INFO] [stderr]   Downloaded polling v2.8.0
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded windows v0.51.1
[INFO] [stderr]   Downloaded mfio-derive v0.1.0
[INFO] [stderr]   Downloaded mfio v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4068bafedd8ba724e332a5221c06a6fa531a30d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f9119a033ecf6362d6ec4f25429019e31c159cf3b9a1a11912dd12bb66456d7
[INFO] running `Command { std: "docker" "start" "-a" "4f9119a033ecf6362d6ec4f25429019e31c159cf3b9a1a11912dd12bb66456d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f9119a033ecf6362d6ec4f25429019e31c159cf3b9a1a11912dd12bb66456d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f9119a033ecf6362d6ec4f25429019e31c159cf3b9a1a11912dd12bb66456d7", kill_on_drop: false }`
[INFO] [stdout] 4f9119a033ecf6362d6ec4f25429019e31c159cf3b9a1a11912dd12bb66456d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4068bafedd8ba724e332a5221c06a6fa531a30d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a7b95c97414912a75db3a034bb9c5c8159a91199872d5341e0d1f2998c2f7fe
[INFO] running `Command { std: "docker" "start" "-a" "8a7b95c97414912a75db3a034bb9c5c8159a91199872d5341e0d1f2998c2f7fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling syn v2.0.107
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]    Compiling cglue v0.2.14
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]     Checking tarc v0.1.6
[INFO] [stderr]    Compiling io-uring v0.6.4
[INFO] [stderr]     Checking no-std-compat v0.4.1
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]     Checking clap_lex v0.7.6
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking clap_builder v4.5.50
[INFO] [stderr]    Compiling glommio v0.8.0
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking async-executor v1.13.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.26
[INFO] [stderr]     Checking cache-padded v1.3.0
[INFO] [stderr]     Checking owned-alloc v0.2.0
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]     Checking rangemap v1.6.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking lockfree v0.5.1
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]     Checking clap v4.5.50
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling cglue-gen v0.2.9
[INFO] [stderr]     Checking nix v0.23.2
[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/4068bafedd8ba724e332a5221c06a6fa531a30d2/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"' --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=4fe96e5ea2bc9ce1 -C extra-filename=-2e8ac0bbb786f293 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b9c6d843a6064340.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-51e4d726368f1f4a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-21aeb60f8cf32518.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/4068bafedd8ba724e332a5221c06a6fa531a30d2/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.107/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=122e928c530cf808 -C extra-filename=-89f121c92ec3e5f1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b9c6d843a6064340.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-51e4d726368f1f4a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-21aeb60f8cf32518.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "8a7b95c97414912a75db3a034bb9c5c8159a91199872d5341e0d1f2998c2f7fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a7b95c97414912a75db3a034bb9c5c8159a91199872d5341e0d1f2998c2f7fe", kill_on_drop: false }`
[INFO] [stdout] 8a7b95c97414912a75db3a034bb9c5c8159a91199872d5341e0d1f2998c2f7fe