[INFO] fetching crate nomap 0.1.1...
[INFO] checking nomap-0.1.1 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate nomap 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate nomap 0.1.1 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nomap 0.1.1
[INFO] finished tweaking crates.io crate nomap 0.1.1
[INFO] tweaked toml for crates.io crate nomap 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate nomap 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] b42c7d5d7f4df1b3ee5d6f7adf69c38d0e6e46a424998504ba9a0ff9f0f917c3
[INFO] running `"docker" "start" "-a" "b42c7d5d7f4df1b3ee5d6f7adf69c38d0e6e46a424998504ba9a0ff9f0f917c3"`
[INFO] [stderr]     Checking nom-fields v0.1.0
[INFO] [stderr]     Checking nomap v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/custom_error.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     dbg!(result);
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `"docker" "inspect" "b42c7d5d7f4df1b3ee5d6f7adf69c38d0e6e46a424998504ba9a0ff9f0f917c3"`
[INFO] running `"docker" "rm" "-f" "b42c7d5d7f4df1b3ee5d6f7adf69c38d0e6e46a424998504ba9a0ff9f0f917c3"`
[INFO] [stdout] b42c7d5d7f4df1b3ee5d6f7adf69c38d0e6e46a424998504ba9a0ff9f0f917c3