[INFO] updating cached repository owlinux1000/rust-comet2
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/owlinux1000/rust-comet2
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/owlinux1000/rust-comet2" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/owlinux1000/rust-comet2"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/owlinux1000/rust-comet2'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/owlinux1000/rust-comet2" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/owlinux1000/rust-comet2"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/owlinux1000/rust-comet2'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5aa5b2ad2418ba5fe198e25db8fa06023dd11129
[INFO] sha for GitHub repo owlinux1000/rust-comet2: 5aa5b2ad2418ba5fe198e25db8fa06023dd11129
[INFO] validating manifest of owlinux1000/rust-comet2 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of owlinux1000/rust-comet2 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing owlinux1000/rust-comet2
[INFO] finished frobbing owlinux1000/rust-comet2
[INFO] frobbed toml for owlinux1000/rust-comet2 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/owlinux1000/rust-comet2/Cargo.toml
[INFO] started frobbing owlinux1000/rust-comet2
[INFO] finished frobbing owlinux1000/rust-comet2
[INFO] frobbed toml for owlinux1000/rust-comet2 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/owlinux1000/rust-comet2/Cargo.toml
[INFO] crate owlinux1000/rust-comet2 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking owlinux1000/rust-comet2 against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-2/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/owlinux1000/rust-comet2:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 42e35e6da8a587724c85af4217af2ad6e9f84a47b4595bf31d44402dafd21e7a
[INFO] running `"docker" "start" "-a" "42e35e6da8a587724c85af4217af2ad6e9f84a47b4595bf31d44402dafd21e7a"`
[INFO] [stderr]     Checking rust-comet2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Fr`
[INFO] [stderr]  --> src/hardware.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Fr {
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/hardware.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new() -> Fr {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/hardware.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn set(&mut self, i: u8, f: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_all`
[INFO] [stderr]   --> src/hardware.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn get_all(&self) -> [bool; 3] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/hardware.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn get(&self, i: u8) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Fr`
[INFO] [stderr]  --> src/hardware.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Fr {
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/hardware.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new() -> Fr {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/hardware.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn set(&mut self, i: u8, f: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_all`
[INFO] [stderr]   --> src/hardware.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn get_all(&self) -> [bool; 3] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/hardware.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn get(&self, i: u8) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "42e35e6da8a587724c85af4217af2ad6e9f84a47b4595bf31d44402dafd21e7a"`
[INFO] running `"docker" "rm" "-f" "42e35e6da8a587724c85af4217af2ad6e9f84a47b4595bf31d44402dafd21e7a"`
[INFO] [stdout] 42e35e6da8a587724c85af4217af2ad6e9f84a47b4595bf31d44402dafd21e7a