[INFO] fetching crate iftree 1.0.7...
[INFO] checking iftree-1.0.7 against try#ad93f57d532978d6739002a21bc66b45ed22f998 for pr-155418-1
[INFO] extracting crate iftree 1.0.7 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate iftree 1.0.7
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate iftree 1.0.7
[INFO] tweaked toml for crates.io crate iftree 1.0.7 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate iftree 1.0.7 on toolchain ad93f57d532978d6739002a21bc66b45ed22f998
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate iftree 1.0.7 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" "+ad93f57d532978d6739002a21bc66b45ed22f998" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fbcb462ae6c978d9560f36b1be689b15f44c737c7667db83803a8972c7f03f5
[INFO] running `Command { std: "docker" "start" "-a" "4fbcb462ae6c978d9560f36b1be689b15f44c737c7667db83803a8972c7f03f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fbcb462ae6c978d9560f36b1be689b15f44c737c7667db83803a8972c7f03f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fbcb462ae6c978d9560f36b1be689b15f44c737c7667db83803a8972c7f03f5", kill_on_drop: false }`
[INFO] [stdout] 4fbcb462ae6c978d9560f36b1be689b15f44c737c7667db83803a8972c7f03f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ad93f57d532978d6739002a21bc66b45ed22f998" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 350d78716b50ac14e4f127af9f4e1baca95033c34f1aab04e4c2cac27150e48a
[INFO] running `Command { std: "docker" "start" "-a" "350d78716b50ac14e4f127af9f4e1baca95033c34f1aab04e4c2cac27150e48a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.104
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling libc v0.2.179
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling erased-serde v0.4.9
[INFO] [stderr]    Compiling find-msvc-tools v0.1.6
[INFO] [stderr]     Checking serde_fmt v1.1.0
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]    Compiling zmij v1.0.10
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling serde_json v1.0.148
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking async-lock v3.4.2
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]    Compiling value-bag-serde1 v1.12.0
[INFO] [stderr]    Compiling value-bag v1.12.0
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]     Checking indexmap v2.12.1
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling syn v2.0.113
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling const_fn v0.4.11
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking async-executor v1.13.3
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]    Compiling cc v1.2.51
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]     Checking winnow v0.7.14
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling http-types v2.12.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling deranged v0.5.5
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling rle-decode-fast v1.0.3
[INFO] [stderr]     Checking local-waker v0.1.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking unicode-ident v1.0.22
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]     Checking infer v0.2.3
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]    Compiling libflate_lz77 v2.2.0
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]     Checking inlinable_string v0.1.15
[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/ad93f57d532978d6739002a21bc66b45ed22f998/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.113/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --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=5c44b318ae828f5f -C extra-filename=-f0a1798bcbe07fe9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-7a183e6fbf173218.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-904310a2bdefe546.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-a0775ff901404d1b.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" "350d78716b50ac14e4f127af9f4e1baca95033c34f1aab04e4c2cac27150e48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "350d78716b50ac14e4f127af9f4e1baca95033c34f1aab04e4c2cac27150e48a", kill_on_drop: false }`
[INFO] [stdout] 350d78716b50ac14e4f127af9f4e1baca95033c34f1aab04e4c2cac27150e48a