[INFO] crate xc2par 0.0.1 is already in cache
[INFO] extracting crate xc2par 0.0.1 into work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/xc2par/0.0.1
[INFO] extracting crate xc2par 0.0.1 into work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/xc2par/0.0.1
[INFO] validating manifest of xc2par-0.0.1 on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of xc2par-0.0.1 on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing xc2par-0.0.1
[INFO] finished frobbing xc2par-0.0.1
[INFO] frobbed toml for xc2par-0.0.1 written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/xc2par/0.0.1/Cargo.toml
[INFO] started frobbing xc2par-0.0.1
[INFO] finished frobbing xc2par-0.0.1
[INFO] frobbed toml for xc2par-0.0.1 written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/xc2par/0.0.1/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking xc2par-0.0.1 against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-3/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/xc2par/0.0.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b9b84da299fb7bbb96acaa28fb0c841d3baa2c51afc0520ae50d1e412eb0d70f
[INFO] running `"docker" "start" "-a" "b9b84da299fb7bbb96acaa28fb0c841d3baa2c51afc0520ae50d1e412eb0d70f"`
[INFO] [stderr]    Compiling xc2bit v0.0.3
[INFO] [stderr]     Checking jedec v0.0.2
[INFO] [stderr]    Compiling xc2par v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]    Compiling bittwiddler v0.0.1
[INFO] [stderr]     Checking yosys-netlist-json v0.0.2
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking slog-scope v4.1.1
[INFO] [stderr]     Checking slog-stdlog v3.0.2
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/compiler_driver.rs:132:38
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 write!(f, "{}", self.cause().unwrap())
[INFO] [stderr]     |                                      ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/compiler_driver.rs:132:38
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 write!(f, "{}", self.cause().unwrap())
[INFO] [stderr]     |                                      ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_one_reftest`
[INFO] [stderr]     --> src/frontend.rs:1095:5
[INFO] [stderr]      |
[INFO] [stderr] 1095 |     fn run_one_reftest(input_filename: &'static str) {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_one_reftest`
[INFO] [stderr]     --> src/engine.rs:1439:5
[INFO] [stderr]      |
[INFO] [stderr] 1439 |     fn run_one_reftest(input_filename: &'static str) {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_one_reftest`
[INFO] [stderr]     --> src/netlist.rs:1288:5
[INFO] [stderr]      |
[INFO] [stderr] 1288 |     fn run_one_reftest(input_filename: &'static str) {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.82s
[INFO] running `"docker" "inspect" "b9b84da299fb7bbb96acaa28fb0c841d3baa2c51afc0520ae50d1e412eb0d70f"`
[INFO] running `"docker" "rm" "-f" "b9b84da299fb7bbb96acaa28fb0c841d3baa2c51afc0520ae50d1e412eb0d70f"`
[INFO] [stdout] b9b84da299fb7bbb96acaa28fb0c841d3baa2c51afc0520ae50d1e412eb0d70f