[INFO] crate sputnikvm-bigint 0.2.0 is already in cache
[INFO] checking sputnikvm-bigint-0.2.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate sputnikvm-bigint 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sputnikvm-bigint 0.2.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sputnikvm-bigint 0.2.0
[INFO] finished tweaking crates.io crate sputnikvm-bigint 0.2.0
[INFO] tweaked toml for crates.io crate sputnikvm-bigint 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] c40b18c0ef219cec2dba86c51c537863a0df0c56e1ac3f2f5fd783a03d7b3ac9
[INFO] running `"docker" "start" "-a" "c40b18c0ef219cec2dba86c51c537863a0df0c56e1ac3f2f5fd783a03d7b3ac9"`
[INFO] [stderr]    Compiling heapsize v0.3.9
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking elastic-array v0.7.0
[INFO] [stderr]     Checking sputnikvm-rlp v0.2.0
[INFO] [stderr]     Checking sputnikvm-bigint v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: constant item is never used: `ZERO_BIG_DIGIT`
[INFO] [stderr]   --> src/algorithms.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     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:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn to_doublebigdigit(hi: BigDigit, lo: BigDigit) -> DoubleBigDigit {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `inc`
[INFO] [stderr]   --> src/algorithms.rs:80:8
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn inc(a: &mut [BigDigit]) -> BigDigit {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ZERO_BIG_DIGIT`
[INFO] [stderr]   --> src/algorithms.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     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:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn to_doublebigdigit(hi: BigDigit, lo: BigDigit) -> DoubleBigDigit {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `inc`
[INFO] [stderr]   --> src/algorithms.rs:80:8
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn inc(a: &mut [BigDigit]) -> BigDigit {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `"docker" "inspect" "c40b18c0ef219cec2dba86c51c537863a0df0c56e1ac3f2f5fd783a03d7b3ac9"`
[INFO] running `"docker" "rm" "-f" "c40b18c0ef219cec2dba86c51c537863a0df0c56e1ac3f2f5fd783a03d7b3ac9"`
[INFO] [stdout] c40b18c0ef219cec2dba86c51c537863a0df0c56e1ac3f2f5fd783a03d7b3ac9