[INFO] fetching crate esvm-bigint 0.0.1... [INFO] checking esvm-bigint-0.0.1 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] extracting crate esvm-bigint 0.0.1 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate esvm-bigint 0.0.1 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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-12/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded esvm-rlp v0.0.1 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 777c65cfa075601a920a6c94c80bca9ef4cb7c307b0cbe962566c39a3aa871b4 [INFO] running `"docker" "start" "-a" "777c65cfa075601a920a6c94c80bca9ef4cb7c307b0cbe962566c39a3aa871b4"` [INFO] [stderr] Compiling heapsize v0.3.9 [INFO] [stderr] Checking elastic-array v0.7.0 [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:56:5 [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:56:5 [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 3.28s [INFO] running `"docker" "inspect" "777c65cfa075601a920a6c94c80bca9ef4cb7c307b0cbe962566c39a3aa871b4"` [INFO] running `"docker" "rm" "-f" "777c65cfa075601a920a6c94c80bca9ef4cb7c307b0cbe962566c39a3aa871b4"` [INFO] [stdout] 777c65cfa075601a920a6c94c80bca9ef4cb7c307b0cbe962566c39a3aa871b4