[INFO] crate lib_opnfi 0.0.1 is already in cache
[INFO] checking lib_opnfi-0.0.1 against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] extracting crate lib_opnfi 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lib_opnfi 0.0.1 on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lib_opnfi 0.0.1
[INFO] finished tweaking crates.io crate lib_opnfi 0.0.1
[INFO] tweaked toml for crates.io crate lib_opnfi 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "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] da2f9f44cc11c09f537f5335f5076aa3fcd064ead746957c378a64b47774cd32
[INFO] running `"docker" "start" "-a" "da2f9f44cc11c09f537f5335f5076aa3fcd064ead746957c378a64b47774cd32"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling pnet v0.23.1
[INFO] [stderr]     Checking pnet_macros_support v0.23.1
[INFO] [stderr]     Checking pnet_sys v0.26.0
[INFO] [stderr]     Checking pnet_sys v0.23.1
[INFO] [stderr]     Checking ipnetwork v0.15.1
[INFO] [stderr]    Compiling enumflags2_derive v0.6.4
[INFO] [stderr]     Checking pnet_datalink v0.23.1
[INFO] [stderr]     Checking enumflags2 v0.6.4
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.26.0
[INFO] [stderr]    Compiling pnet_packet v0.23.1
[INFO] [stderr]     Checking pnet_transport v0.23.1
[INFO] [stderr]     Checking lib_opnfi v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]    --> src/inform/mod.rs:218:17
[INFO] [stderr]     |
[INFO] [stderr] 218 |     use serde::{Deserialize, Serialize};
[INFO] [stderr]     |                 ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.24s
[INFO] running `"docker" "inspect" "da2f9f44cc11c09f537f5335f5076aa3fcd064ead746957c378a64b47774cd32"`
[INFO] running `"docker" "rm" "-f" "da2f9f44cc11c09f537f5335f5076aa3fcd064ead746957c378a64b47774cd32"`
[INFO] [stdout] da2f9f44cc11c09f537f5335f5076aa3fcd064ead746957c378a64b47774cd32