[INFO] cloning repository https://github.com/CircuitCoder/CommRegServer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CircuitCoder/CommRegServer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2FCommRegServer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2FCommRegServer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4117ac0477727761d77ee2b76554d3aef3971bb
[INFO] checking CircuitCoder/CommRegServer against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2FCommRegServer" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CircuitCoder/CommRegServer on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CircuitCoder/CommRegServer
[INFO] finished tweaking git repo https://github.com/CircuitCoder/CommRegServer
[INFO] tweaked toml for git repo https://github.com/CircuitCoder/CommRegServer written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate git repo https://github.com/CircuitCoder/CommRegServer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8013e40eaf0334123a653e9e22bf9eb0236fccf8b33a74b95dc26c44b407a63
[INFO] running `Command { std: "docker" "start" "-a" "b8013e40eaf0334123a653e9e22bf9eb0236fccf8b33a74b95dc26c44b407a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8013e40eaf0334123a653e9e22bf9eb0236fccf8b33a74b95dc26c44b407a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8013e40eaf0334123a653e9e22bf9eb0236fccf8b33a74b95dc26c44b407a63", kill_on_drop: false }`
[INFO] [stdout] b8013e40eaf0334123a653e9e22bf9eb0236fccf8b33a74b95dc26c44b407a63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 617ca48cd1e26884059afe7b6ad5542b2ae122b34feac0c5f5eea51781c90c8d
[INFO] running `Command { std: "docker" "start" "-a" "617ca48cd1e26884059afe7b6ad5542b2ae122b34feac0c5f5eea51781c90c8d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]     Checking serde v1.0.37
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bindgen v0.33.2
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling leveldb-sys v2.0.1
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking pear v0.0.15
[INFO] [stderr]    Compiling state v0.4.0
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]    Compiling ordermap v0.2.13
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]    Compiling clippy v0.0.193
[INFO] [stderr]    Compiling if_chain v0.1.2
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]    Compiling smallvec v0.4.4
[INFO] [stderr]    Compiling quine-mc_cluskey v0.2.4
[INFO] [stderr]     Checking db-key v0.0.5
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr] error: could not compile `leveldb-sys`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/src/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="snappy"' -C metadata=800bd296f4f3050f -C extra-filename=-800bd296f4f3050f --out-dir /opt/rustwide/target/debug/build/leveldb-sys-800bd296f4f3050f -L dependency=/opt/rustwide/target/debug/deps --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 `Command { std: "docker" "inspect" "617ca48cd1e26884059afe7b6ad5542b2ae122b34feac0c5f5eea51781c90c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617ca48cd1e26884059afe7b6ad5542b2ae122b34feac0c5f5eea51781c90c8d", kill_on_drop: false }`
[INFO] [stdout] 617ca48cd1e26884059afe7b6ad5542b2ae122b34feac0c5f5eea51781c90c8d