[INFO] fetching crate gmp-sys 0.1.0...
[INFO] checking gmp-sys-0.1.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate gmp-sys 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate gmp-sys 0.1.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate gmp-sys 0.1.0
[INFO] finished tweaking crates.io crate gmp-sys 0.1.0
[INFO] tweaked toml for crates.io crate gmp-sys 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] dbcb674c3c5c473b14b0a35593ca1e9e1c9bab7c002bd7952d5187bd88e5da4d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "dbcb674c3c5c473b14b0a35593ca1e9e1c9bab7c002bd7952d5187bd88e5da4d"`
[INFO] [stderr]    Compiling gmp-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: renaming of the library `gmp` was specified, however this crate contains no `#[link(...)]` attributes referencing this library.
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `gmp-sys`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: renaming of the library `gmp` was specified, however this crate contains no `#[link(...)]` attributes referencing this library.
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `gmp-sys`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "dbcb674c3c5c473b14b0a35593ca1e9e1c9bab7c002bd7952d5187bd88e5da4d"`
[INFO] running `"docker" "rm" "-f" "dbcb674c3c5c473b14b0a35593ca1e9e1c9bab7c002bd7952d5187bd88e5da4d"`
[INFO] [stdout] dbcb674c3c5c473b14b0a35593ca1e9e1c9bab7c002bd7952d5187bd88e5da4d