Dec 19 17:10:10.868 INFO checking exceptional-lang/exceptional against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 17:10:10.868 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/exceptional-lang/exceptional:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:10:11.294 INFO [stdout] f0f1e0a859452d715a986173d2614699c855c7c19ff5d9f9a0c9b6619065623a
Dec 19 17:10:11.296 INFO running `"docker" "start" "-a" "f0f1e0a859452d715a986173d2614699c855c7c19ff5d9f9a0c9b6619065623a"`
Dec 19 17:10:12.628 INFO [stderr]    Compiling peg v0.4.0
Dec 19 17:10:12.628 INFO [stderr]     Checking fern v0.4.0
Dec 19 17:10:14.968 INFO [stderr]    Compiling exceptional v0.1.0 (/opt/crater/workdir)
Dec 19 17:10:16.300 INFO [stderr] warning: unused import: `Shutdown`
Dec 19 17:10:16.300 INFO [stderr]   --> src/native.rs:14:16
Dec 19 17:10:16.300 INFO [stderr]    |
Dec 19 17:10:16.300 INFO [stderr] 14 | use std::net::{Shutdown, TcpListener, TcpStream};
Dec 19 17:10:16.300 INFO [stderr]    |                ^^^^^^^^
Dec 19 17:10:16.300 INFO [stderr]    |
Dec 19 17:10:16.300 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 17:10:16.300 INFO [stderr] 
Dec 19 17:10:16.300 INFO [stderr] warning: unused import: `std::fs`
Dec 19 17:10:16.300 INFO [stderr]  --> src/vm.rs:9:5
Dec 19 17:10:16.300 INFO [stderr]   |
Dec 19 17:10:16.300 INFO [stderr] 9 | use std::fs;
Dec 19 17:10:16.300 INFO [stderr]   |     ^^^^^^^
Dec 19 17:10:16.300 INFO [stderr] 
Dec 19 17:10:16.300 INFO [stderr] warning: unused import: `std::fs::File`
Dec 19 17:10:16.300 INFO [stderr]   --> src/vm.rs:10:5
Dec 19 17:10:16.300 INFO [stderr]    |
Dec 19 17:10:16.301 INFO [stderr] 10 | use std::fs::File;
Dec 19 17:10:16.301 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 17:10:16.301 INFO [stderr] 
Dec 19 17:10:16.301 INFO [stderr] warning: unused import: `std::io::Write`
Dec 19 17:10:16.301 INFO [stderr]   --> src/vm.rs:11:5
Dec 19 17:10:16.301 INFO [stderr]    |
Dec 19 17:10:16.301 INFO [stderr] 11 | use std::io::Write;
Dec 19 17:10:16.301 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 17:10:16.301 INFO [stderr] 
Dec 19 17:10:16.700 INFO [stderr] warning: unused import: `std::io::Write`
Dec 19 17:10:16.700 INFO [stderr]   --> src/vm.rs:11:5
Dec 19 17:10:16.700 INFO [stderr]    |
Dec 19 17:10:16.700 INFO [stderr] 11 | use std::io::Write;
Dec 19 17:10:16.700 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 17:10:16.700 INFO [stderr]    |
Dec 19 17:10:16.700 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 17:10:16.700 INFO [stderr] 
Dec 19 17:10:17.340 INFO [stderr] warning: method is never used: `blank`
Dec 19 17:10:17.341 INFO [stderr]   --> src/closure.rs:20:5
Dec 19 17:10:17.341 INFO [stderr]    |
Dec 19 17:10:17.341 INFO [stderr] 20 |     pub fn blank() -> Closure {
Dec 19 17:10:17.342 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:10:17.342 INFO [stderr]    |
Dec 19 17:10:17.343 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 17:10:17.343 INFO [stderr] 
Dec 19 17:10:17.343 INFO [stderr] warning: variant is never constructed: `File`
Dec 19 17:10:17.343 INFO [stderr]   --> src/native.rs:23:5
Dec 19 17:10:17.344 INFO [stderr]    |
Dec 19 17:10:17.344 INFO [stderr] 23 |     File(File),
Dec 19 17:10:17.344 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 17:10:17.344 INFO [stderr] 
Dec 19 17:10:17.345 INFO [stderr] warning: method is never used: `empty`
Dec 19 17:10:17.345 INFO [stderr]   --> src/vm.rs:60:5
Dec 19 17:10:17.346 INFO [stderr]    |
Dec 19 17:10:17.346 INFO [stderr] 60 |     pub fn empty() -> Vm {
Dec 19 17:10:17.346 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 17:10:17.346 INFO [stderr] 
Dec 19 17:10:17.347 INFO [stderr] warning: method is never used: `pop`
Dec 19 17:10:17.347 INFO [stderr]    --> src/vm.rs:251:5
Dec 19 17:10:17.347 INFO [stderr]     |
Dec 19 17:10:17.347 INFO [stderr] 251 |     pub fn pop(&mut self) -> Option<Value> {
Dec 19 17:10:17.347 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:10:17.347 INFO [stderr] 
Dec 19 17:10:17.347 INFO [stderr] warning: method is never used: `local_assign`
Dec 19 17:10:17.347 INFO [stderr]    --> src/vm.rs:259:5
Dec 19 17:10:17.347 INFO [stderr]     |
Dec 19 17:10:17.347 INFO [stderr] 259 |     pub fn local_assign(&mut self, name: &String, value: Value) {
Dec 19 17:10:17.347 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:10:17.347 INFO [stderr] 
Dec 19 17:10:18.601 INFO [stderr] warning: variant is never constructed: `File`
Dec 19 17:10:18.601 INFO [stderr]   --> src/native.rs:23:5
Dec 19 17:10:18.601 INFO [stderr]    |
Dec 19 17:10:18.601 INFO [stderr] 23 |     File(File),
Dec 19 17:10:18.601 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 17:10:18.601 INFO [stderr]    |
Dec 19 17:10:18.601 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 17:10:18.601 INFO [stderr] 
Dec 19 17:10:18.681 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.14s
Dec 19 17:10:19.033 INFO running `"docker" "inspect" "f0f1e0a859452d715a986173d2614699c855c7c19ff5d9f9a0c9b6619065623a"`
Dec 19 17:10:19.162 INFO running `"docker" "rm" "-f" "f0f1e0a859452d715a986173d2614699c855c7c19ff5d9f9a0c9b6619065623a"`
Dec 19 17:10:19.264 INFO [stdout] f0f1e0a859452d715a986173d2614699c855c7c19ff5d9f9a0c9b6619065623a