[INFO] fetching crate accessibility-rs 0.1.7...
[INFO] checking accessibility-rs-0.1.7 against try#3fada14ee01d755dc8076e611f11bf65b28ffd21 for pr-154971
[INFO] extracting crate accessibility-rs 0.1.7 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate accessibility-rs 0.1.7
[INFO] finished tweaking crates.io crate accessibility-rs 0.1.7
[INFO] tweaked toml for crates.io crate accessibility-rs 0.1.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate accessibility-rs 0.1.7 on toolchain 3fada14ee01d755dc8076e611f11bf65b28ffd21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "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" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 505 packages to latest compatible versions
[INFO] [stderr]       Adding cssparser v0.27.2 (available: v0.37.0)
[INFO] [stderr]       Adding ego-tree v0.6.3 (available: v0.11.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding getrandom v0.2.17 (available: v0.4.2)
[INFO] [stderr]       Adding markup5ever v0.12.1 (available: v0.39.0)
[INFO] [stderr]       Adding maud v0.25.0 (available: v0.27.0)
[INFO] [stderr]       Adding rust-i18n v2.3.1 (available: v4.0.0)
[INFO] [stderr]       Adding selectors v0.22.0 (available: v0.37.0)
[INFO] [stderr]       Adding spider v1.99.37 (available: v2.51.69)
[INFO] [stderr]       Adding strum v0.25.0 (available: v0.28.0)
[INFO] [stderr]       Adding strum_macros v0.25.3 (available: v0.28.0)
[INFO] [stderr]       Adding taffy v0.5.2 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b703a4829c3880c9427b4935a8f6e23f39d68147b00ac5f6901debaaed41bd4d
[INFO] running `Command { std: "docker" "start" "-a" "b703a4829c3880c9427b4935a8f6e23f39d68147b00ac5f6901debaaed41bd4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b703a4829c3880c9427b4935a8f6e23f39d68147b00ac5f6901debaaed41bd4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b703a4829c3880c9427b4935a8f6e23f39d68147b00ac5f6901debaaed41bd4d", kill_on_drop: false }`
[INFO] [stdout] b703a4829c3880c9427b4935a8f6e23f39d68147b00ac5f6901debaaed41bd4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03be168b92804e01ee2835340f336a3a41408ce8b73742b5f07c31b5c528d1b2
[INFO] running `Command { std: "docker" "start" "-a" "03be168b92804e01ee2835340f336a3a41408ce8b73742b5f07c31b5c528d1b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling siphasher v1.0.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]    Compiling fast_markup5ever v0.11.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]     Checking dtoa v1.0.11
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking dtoa-short v0.3.5
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking itoa v1.0.18
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking unicode-ident v1.0.24
[INFO] [stderr]    Compiling normpath v1.5.0
[INFO] [stderr]    Compiling globset v0.4.18
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling ignore v0.4.25
[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/3fada14ee01d755dc8076e611f11bf65b28ffd21/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/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"' --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=c01649321bd3299b -C extra-filename=-e69bf5d722d083a3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-774d2fb1b129607b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e79a3b083d919da9.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-af4dab7b77cddc19.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" "03be168b92804e01ee2835340f336a3a41408ce8b73742b5f07c31b5c528d1b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03be168b92804e01ee2835340f336a3a41408ce8b73742b5f07c31b5c528d1b2", kill_on_drop: false }`
[INFO] [stdout] 03be168b92804e01ee2835340f336a3a41408ce8b73742b5f07c31b5c528d1b2