[INFO] updating cached repository https://github.com/izelnakri/mber-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 82e62e1227205c3cabee4e0dbdd7431aace7f2d8
[INFO] checking izelnakri/mber-rust against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizelnakri%2Fmber-rust" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/izelnakri/mber-rust on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/izelnakri/mber-rust
[INFO] finished tweaking git repo https://github.com/izelnakri/mber-rust
[INFO] tweaked toml for git repo https://github.com/izelnakri/mber-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/izelnakri/mber-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 050a9db86eabc172d6ef5b21ecc72f61734f168aa1621bb62bedbf7961441eb1
[INFO] running `"docker" "start" "-a" "050a9db86eabc172d6ef5b21ecc72f61734f168aa1621bb62bedbf7961441eb1"`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]    Compiling sass-sys v0.4.14
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.8/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=a7f8ccda43d155b7 -C extra-filename=-a7f8ccda43d155b7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-6195ca0ef893330b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-be8f4f36e13cec66.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-088828932fe8d40e.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: build failed
[INFO] running `"docker" "inspect" "050a9db86eabc172d6ef5b21ecc72f61734f168aa1621bb62bedbf7961441eb1"`
[INFO] running `"docker" "rm" "-f" "050a9db86eabc172d6ef5b21ecc72f61734f168aa1621bb62bedbf7961441eb1"`
[INFO] [stdout] 050a9db86eabc172d6ef5b21ecc72f61734f168aa1621bb62bedbf7961441eb1