[INFO] cloning repository https://github.com/jail-maker/check_ip
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jail-maker/check_ip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjail-maker%2Fcheck_ip"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjail-maker%2Fcheck_ip'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 93449c8958bd8e4bf5330d9b9a8c8e2ee24d17f1
[INFO] checking jail-maker/check_ip against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjail-maker%2Fcheck_ip" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jail-maker/check_ip on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jail-maker/check_ip
[INFO] finished tweaking git repo https://github.com/jail-maker/check_ip
[INFO] tweaked toml for git repo https://github.com/jail-maker/check_ip written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jail-maker/check_ip already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 16ba1d08eba14b5bb5cb4b76d4410b39a4ef0165a16d422426b558ee565ad5c0
[INFO] running `"docker" "start" "-a" "16ba1d08eba14b5bb5cb4b76d4410b39a4ef0165a16d422426b558ee565ad5c0"`
[INFO] [stderr]     Checking ipnetwork v0.12.6
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking textwrap v0.6.0
[INFO] [stderr] error[E0636]: the feature `i128_type` has already been declared
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ipnetwork-0.12.6/src/lib.rs:7:47
[INFO] [stderr]   |
[INFO] [stderr] 7 | #![cfg_attr(feature = "ipv6-methods", feature(i128_type))]
[INFO] [stderr]   |                                               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0636`.
[INFO] [stderr] error: could not compile `ipnetwork`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "16ba1d08eba14b5bb5cb4b76d4410b39a4ef0165a16d422426b558ee565ad5c0"`
[INFO] running `"docker" "rm" "-f" "16ba1d08eba14b5bb5cb4b76d4410b39a4ef0165a16d422426b558ee565ad5c0"`
[INFO] [stdout] 16ba1d08eba14b5bb5cb4b76d4410b39a4ef0165a16d422426b558ee565ad5c0