[INFO] updating cached repository k0nserv/rust-isqrt
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/k0nserv/rust-isqrt
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/k0nserv/rust-isqrt" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/k0nserv/rust-isqrt"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/k0nserv/rust-isqrt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/k0nserv/rust-isqrt" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/k0nserv/rust-isqrt"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/k0nserv/rust-isqrt'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d4c67523ffb63badc9e5455d9852c971d63fc9f1
[INFO] sha for GitHub repo k0nserv/rust-isqrt: d4c67523ffb63badc9e5455d9852c971d63fc9f1
[INFO] validating manifest of k0nserv/rust-isqrt on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of k0nserv/rust-isqrt on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing k0nserv/rust-isqrt
[INFO] finished frobbing k0nserv/rust-isqrt
[INFO] frobbed toml for k0nserv/rust-isqrt written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/k0nserv/rust-isqrt/Cargo.toml
[INFO] started frobbing k0nserv/rust-isqrt
[INFO] finished frobbing k0nserv/rust-isqrt
[INFO] frobbed toml for k0nserv/rust-isqrt written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/k0nserv/rust-isqrt/Cargo.toml
[INFO] crate k0nserv/rust-isqrt has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking k0nserv/rust-isqrt against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-5/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/k0nserv/rust-isqrt:/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" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5971a81e2a3e402a91ceee2119464fe1be552da5a396a0a67a9c0d7869f61ccc
[INFO] running `"docker" "start" "-a" "5971a81e2a3e402a91ceee2119464fe1be552da5a396a0a67a9c0d7869f61ccc"`
[INFO] [stderr]     Checking isqrt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `isqrt_transmute`
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn isqrt_transmute(value: f64) -> f64 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `isqrt_no_transmute`
[INFO] [stderr]   --> src/lib.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn isqrt_no_transmute(value: f64) -> f64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `isqrt_sqrt`
[INFO] [stderr]   --> src/lib.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn isqrt_sqrt(value: f64) -> f64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "5971a81e2a3e402a91ceee2119464fe1be552da5a396a0a67a9c0d7869f61ccc"`
[INFO] running `"docker" "rm" "-f" "5971a81e2a3e402a91ceee2119464fe1be552da5a396a0a67a9c0d7869f61ccc"`
[INFO] [stdout] 5971a81e2a3e402a91ceee2119464fe1be552da5a396a0a67a9c0d7869f61ccc