[INFO] fetching crate ibc-testkit 0.57.0...
[INFO] building ibc-testkit-0.57.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate ibc-testkit 0.57.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate ibc-testkit 0.57.0
[INFO] finished tweaking crates.io crate ibc-testkit 0.57.0
[INFO] tweaked toml for crates.io crate ibc-testkit 0.57.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ibc-testkit 0.57.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ibc-testkit 0.57.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ad7ad54b1fe8b56b02ed5d1cae43404690d1bbd0755b68227bee95eb6659796
[INFO] running `Command { std: "docker" "start" "-a" "5ad7ad54b1fe8b56b02ed5d1cae43404690d1bbd0755b68227bee95eb6659796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ad7ad54b1fe8b56b02ed5d1cae43404690d1bbd0755b68227bee95eb6659796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ad7ad54b1fe8b56b02ed5d1cae43404690d1bbd0755b68227bee95eb6659796", kill_on_drop: false }`
[INFO] [stdout] 5ad7ad54b1fe8b56b02ed5d1cae43404690d1bbd0755b68227bee95eb6659796
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f866228aec96e9484c34f2bccb3bf7f11412f0fa13838d8c7c20c1070a31941
[INFO] running `Command { std: "docker" "start" "-a" "4f866228aec96e9484c34f2bccb3bf7f11412f0fa13838d8c7c20c1070a31941", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling winnow v0.6.25
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling time-macros v0.2.19
[INFO] [stderr]    Compiling flex-error v0.4.4
[INFO] [stderr]    Compiling parity-scale-codec v3.7.2
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling borsh v1.5.5
[INFO] [stderr]    Compiling byte-slice-cast v1.2.2
[INFO] [stderr]    Compiling schemars v0.8.21
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling cc v1.2.10
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling ripemd v0.1.3
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling subtle-ng v2.5.0
[INFO] [stderr]    Compiling ed25519 v2.2.3
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]    Compiling const_format v0.2.34
[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/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/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="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=a32b407b51cca7e2 -C extra-filename=-5502f318d6ba9d07 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ba1164ef8c5072f6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-45812ef4b8688a30.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-a3690edd3a41f0e2.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" "4f866228aec96e9484c34f2bccb3bf7f11412f0fa13838d8c7c20c1070a31941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f866228aec96e9484c34f2bccb3bf7f11412f0fa13838d8c7c20c1070a31941", kill_on_drop: false }`
[INFO] [stdout] 4f866228aec96e9484c34f2bccb3bf7f11412f0fa13838d8c7c20c1070a31941