[INFO] cloning repository https://github.com/xcshuan/ed25519-lock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xcshuan/ed25519-lock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxcshuan%2Fed25519-lock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxcshuan%2Fed25519-lock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cab24937129710f01acc50b5ad324ff425841dc
[INFO] checking xcshuan/ed25519-lock against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxcshuan%2Fed25519-lock" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xcshuan/ed25519-lock on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/xcshuan/ed25519-lock
[INFO] finished tweaking git repo https://github.com/xcshuan/ed25519-lock
[INFO] tweaked toml for git repo https://github.com/xcshuan/ed25519-lock written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/xcshuan/ed25519-lock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66339dea273b3c648502fe0b150321af410d514e543283c46133ec53d3ff81c3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "66339dea273b3c648502fe0b150321af410d514e543283c46133ec53d3ff81c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66339dea273b3c648502fe0b150321af410d514e543283c46133ec53d3ff81c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66339dea273b3c648502fe0b150321af410d514e543283c46133ec53d3ff81c3", kill_on_drop: false }`
[INFO] [stdout] 66339dea273b3c648502fe0b150321af410d514e543283c46133ec53d3ff81c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f38b7fd655da98175f7619381e6c2c4603a8e68168eba954c6ae95bc1490d546
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f38b7fd655da98175f7619381e6c2c4603a8e68168eba954c6ae95bc1490d546", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling faster-hex v0.3.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]     Checking eaglesong v0.1.0
[INFO] [stderr]    Compiling metrics v0.12.1
[INFO] [stderr]    Compiling tentacle-secio v0.4.5
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking metrics-core v0.5.2
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking ckb-build-info v0.40.0
[INFO] [stderr]     Checking path-clean v0.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking ckb-db-schema v0.40.0
[INFO] [stderr]     Checking buddy-alloc v0.4.1
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling ckb-script v0.40.0
[INFO] [stderr]     Checking ckb-vm-definitions v0.19.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ckb-spawn v0.40.0
[INFO] [stderr]     Checking ckb-always-success-script v0.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling merkle-cbt v0.3.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking ed25519 v1.1.1
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking mapr v0.8.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]     Checking lru v0.6.5
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking ckb-metrics v0.40.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking ckb-channel v0.40.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking includedir v0.5.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling blake2b-rs v0.1.5
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling ckb-librocksdb-sys v6.7.4
[INFO] [stderr]    Compiling ckb-std v0.7.4
[INFO] [stderr]    Compiling ckb-vm v0.19.3
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling includedir_codegen v0.5.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking faketime v0.2.1
[INFO] [stderr]    Compiling ckb-hash v0.40.0
[INFO] [stderr]     Checking ckb-util v0.40.0
[INFO] [stderr]    Compiling ckb-system-scripts v0.5.1
[INFO] [stderr]     Checking secp256k1 v0.19.0
[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-1.0.72/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --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"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=09e45e382431d21f -C extra-filename=-09e45e382431d21f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-790d85e9ae3a3c38.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-3314f8c2d6f0a87f.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f38b7fd655da98175f7619381e6c2c4603a8e68168eba954c6ae95bc1490d546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f38b7fd655da98175f7619381e6c2c4603a8e68168eba954c6ae95bc1490d546", kill_on_drop: false }`
[INFO] [stdout] f38b7fd655da98175f7619381e6c2c4603a8e68168eba954c6ae95bc1490d546