[INFO] crate hexe_core 0.0.5 is already in cache
[INFO] extracting crate hexe_core 0.0.5 into work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/hexe_core/0.0.5
[INFO] extracting crate hexe_core 0.0.5 into work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/hexe_core/0.0.5
[INFO] validating manifest of hexe_core-0.0.5 on toolchain master#d99a320cba42f661aebfa1293b7b2ec3603dda75
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hexe_core-0.0.5 on toolchain try#e70472fc501b855c9080f3772432c10fe20b8866
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hexe_core-0.0.5
[INFO] finished frobbing hexe_core-0.0.5
[INFO] frobbed toml for hexe_core-0.0.5 written to work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/hexe_core/0.0.5/Cargo.toml
[INFO] started frobbing hexe_core-0.0.5
[INFO] finished frobbing hexe_core-0.0.5
[INFO] frobbed toml for hexe_core-0.0.5 written to work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/hexe_core/0.0.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hexe_core-0.0.5 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/hexe_core/0.0.5:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 490ad654933ae4dba094cf77d1d8b1b04228ea7dcf840d3e0b3b9bedfcc7120f
[INFO] running `"docker" "start" "-a" "490ad654933ae4dba094cf77d1d8b1b04228ea7dcf840d3e0b3b9bedfcc7120f"`
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking uncon v1.1.0
[INFO] [stderr]    Compiling uncon_derive v1.1.1
[INFO] [stderr]     Checking hexe_core v0.0.5 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `rand_pairs`
[INFO] [stderr]   --> src/util/mod.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / pub fn rand_pairs<T, U>() -> [(T, U); 1000]
[INFO] [stderr] 21 | |     where T: ::rand::Rand,
[INFO] [stderr] 22 | |           U: ::rand::Rand,
[INFO] [stderr] 23 | | {
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |     pairs
[INFO] [stderr] 32 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `"docker" "inspect" "490ad654933ae4dba094cf77d1d8b1b04228ea7dcf840d3e0b3b9bedfcc7120f"`
[INFO] running `"docker" "rm" "-f" "490ad654933ae4dba094cf77d1d8b1b04228ea7dcf840d3e0b3b9bedfcc7120f"`
[INFO] [stdout] 490ad654933ae4dba094cf77d1d8b1b04228ea7dcf840d3e0b3b9bedfcc7120f