[INFO] crate esvm-bigint 0.0.1 is already in cache
[INFO] checking esvm-bigint-0.0.1 against master#2da942f32802c8233a09744024dfbc34431adf65 for pr-66963
[INFO] extracting crate esvm-bigint 0.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate esvm-bigint 0.0.1 on toolchain 2da942f32802c8233a09744024dfbc34431adf65
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate esvm-bigint 0.0.1
[INFO] finished tweaking crates.io crate esvm-bigint 0.0.1
[INFO] tweaked toml for crates.io crate esvm-bigint 0.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+2da942f32802c8233a09744024dfbc34431adf65" "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] 732c6a98e5ebc6e04c7b2a37b50546d654cd904b302407b99d05642f139ea48e
[INFO] running `"docker" "start" "-a" "732c6a98e5ebc6e04c7b2a37b50546d654cd904b302407b99d05642f139ea48e"`
[INFO] [stderr]     Checking esvm-rlp v0.0.1
[INFO] [stderr]     Checking esvm-bigint v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: constant item is never used: `ZERO_BIG_DIGIT`
[INFO] [stderr]   --> src/algorithms.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub const ZERO_BIG_DIGIT: BigDigit = 0;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_doublebigdigit`
[INFO] [stderr]   --> src/algorithms.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn to_doublebigdigit(hi: BigDigit, lo: BigDigit) -> DoubleBigDigit {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ZERO_BIG_DIGIT`
[INFO] [stderr]   --> src/algorithms.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub const ZERO_BIG_DIGIT: BigDigit = 0;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_doublebigdigit`
[INFO] [stderr]   --> src/algorithms.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn to_doublebigdigit(hi: BigDigit, lo: BigDigit) -> DoubleBigDigit {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "732c6a98e5ebc6e04c7b2a37b50546d654cd904b302407b99d05642f139ea48e"`
[INFO] running `"docker" "rm" "-f" "732c6a98e5ebc6e04c7b2a37b50546d654cd904b302407b99d05642f139ea48e"`
[INFO] [stdout] 732c6a98e5ebc6e04c7b2a37b50546d654cd904b302407b99d05642f139ea48e