[INFO] updating cached repository https://github.com/gugi9000/idna
[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] 2ae1e2daf318b98a9e175a7757c31a4882181870
[INFO] checking gugi9000/idna against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgugi9000%2Fidna" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gugi9000/idna on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/gugi9000/idna
[INFO] finished tweaking git repo https://github.com/gugi9000/idna
[INFO] tweaked toml for git repo https://github.com/gugi9000/idna written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/gugi9000/idna already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 3eff7d0bc7d364f9e5ba63a46e53439b40e60987aee9f850855a2e2a066c6ae6
[INFO] running `"docker" "start" "-a" "3eff7d0bc7d364f9e5ba63a46e53439b40e60987aee9f850855a2e2a066c6ae6"`
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]     Checking idna v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `decode_to_string`, `decode`
[INFO] [stderr]  --> src/main.rs:3:22
[INFO] [stderr]   |
[INFO] [stderr] 3 | use idna::punycode::{decode, encode_str, decode_to_string};
[INFO] [stderr]   |                      ^^^^^^              ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `decode_to_string`, `decode`
[INFO] [stderr]  --> src/main.rs:3:22
[INFO] [stderr]   |
[INFO] [stderr] 3 | use idna::punycode::{decode, encode_str, decode_to_string};
[INFO] [stderr]   |                      ^^^^^^              ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `"docker" "inspect" "3eff7d0bc7d364f9e5ba63a46e53439b40e60987aee9f850855a2e2a066c6ae6"`
[INFO] running `"docker" "rm" "-f" "3eff7d0bc7d364f9e5ba63a46e53439b40e60987aee9f850855a2e2a066c6ae6"`
[INFO] [stdout] 3eff7d0bc7d364f9e5ba63a46e53439b40e60987aee9f850855a2e2a066c6ae6