[INFO] cloning repository https://github.com/koxu1996/casper-event-toolkit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/koxu1996/casper-event-toolkit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoxu1996%2Fcasper-event-toolkit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoxu1996%2Fcasper-event-toolkit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 360dbe1db29fd4575fadf06dbcb7b7c9ddc741ca
[INFO] building koxu1996/casper-event-toolkit against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoxu1996%2Fcasper-event-toolkit" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/koxu1996/casper-event-toolkit
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/koxu1996/casper-event-toolkit
[INFO] tweaked toml for git repo https://github.com/koxu1996/casper-event-toolkit written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/koxu1996/casper-event-toolkit on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/koxu1996/casper-event-toolkit 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31ad98f37353df7a1c2bae1079972070ce53782f0ed9c40a5394f5a833f2f755
[INFO] running `Command { std: "docker" "start" "-a" "31ad98f37353df7a1c2bae1079972070ce53782f0ed9c40a5394f5a833f2f755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31ad98f37353df7a1c2bae1079972070ce53782f0ed9c40a5394f5a833f2f755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31ad98f37353df7a1c2bae1079972070ce53782f0ed9c40a5394f5a833f2f755", kill_on_drop: false }`
[INFO] [stdout] 31ad98f37353df7a1c2bae1079972070ce53782f0ed9c40a5394f5a833f2f755
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6900028f5c0e86fba8918220a2acab416940bcb0f77da7bdfa5387cf2bf26b74
[INFO] running `Command { std: "docker" "start" "-a" "6900028f5c0e86fba8918220a2acab416940bcb0f77da7bdfa5387cf2bf26b74", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling cc v1.0.98
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling const-oid v0.4.5
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling ff v0.13.0
[INFO] [stderr]    Compiling bitvec v0.18.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling der v0.1.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling platforms v3.4.0
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling curve25519-dalek v4.1.2
[INFO] [stderr]    Compiling derp v0.0.14
[INFO] [stderr]    Compiling pkcs8 v0.3.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr] error: could not compile `cc` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cc-1.0.98/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="jobserver"' --cfg 'feature="libc"' --cfg 'feature="once_cell"' --cfg 'feature="parallel"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("jobserver", "libc", "once_cell", "parallel"))' -C metadata=4c3a0d43f47f5231 -C extra-filename=-6073e9229a4d318b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern jobserver=/opt/rustwide/target/debug/deps/libjobserver-54b5187433c141b9.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-87ba8c2d9747b2c7.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-24c5d665b6879050.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" "6900028f5c0e86fba8918220a2acab416940bcb0f77da7bdfa5387cf2bf26b74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6900028f5c0e86fba8918220a2acab416940bcb0f77da7bdfa5387cf2bf26b74", kill_on_drop: false }`
[INFO] [stdout] 6900028f5c0e86fba8918220a2acab416940bcb0f77da7bdfa5387cf2bf26b74