[INFO] crate chain-p2p 0.1.7 is already in cache
[INFO] checking chain-p2p-0.1.7 against master#fe6d05a8b32f5c66c427ca524dbcce5a7145f87e for pr-64327
[INFO] extracting crate chain-p2p 0.1.7 into work/builds/worker-5/source
[INFO] validating manifest of crates.io crate chain-p2p 0.1.7 on toolchain fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate chain-p2p 0.1.7
[INFO] finished tweaking crates.io crate chain-p2p 0.1.7
[INFO] tweaked toml for crates.io crate chain-p2p 0.1.7 written to work/builds/worker-5/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 804ac462b483a709c6da0a1ce9dceb8ee0d875055987cf4f1bdd99a872855e9d
[INFO] running `"docker" "start" "-a" "804ac462b483a709c6da0a1ce9dceb8ee0d875055987cf4f1bdd99a872855e9d"`
[INFO] [stderr]     Checking chain-p2p v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/p2p/mod.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         Conns::update(conns_update, index, conn_addr);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/p2p/mod.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |         Conns::remove(conns_dis, index);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/p2p/mod.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         Conns::update(conns_update, index, conn_addr);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/p2p/mod.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |         Conns::remove(conns_dis, index);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.15s
[INFO] running `"docker" "inspect" "804ac462b483a709c6da0a1ce9dceb8ee0d875055987cf4f1bdd99a872855e9d"`
[INFO] running `"docker" "rm" "-f" "804ac462b483a709c6da0a1ce9dceb8ee0d875055987cf4f1bdd99a872855e9d"`
[INFO] [stdout] 804ac462b483a709c6da0a1ce9dceb8ee0d875055987cf4f1bdd99a872855e9d