Nov 30 03:12:47.691 INFO checking exceptional-lang/exceptional against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 03:12:47.691 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 03:12:48.144 INFO [stdout] 9909dd0fde8ba33b4e35aab522c3f68fe95d06f58fc89deb37256bc3f891d095
Nov 30 03:12:48.154 INFO running `"docker" "start" "-a" "9909dd0fde8ba33b4e35aab522c3f68fe95d06f58fc89deb37256bc3f891d095"`
Nov 30 03:12:48.931 INFO [stderr] usermod: no changes
Nov 30 03:12:49.032 INFO [stderr]    Compiling peg v0.4.0
Nov 30 03:12:49.032 INFO [stderr]     Checking fern v0.4.0
Nov 30 03:12:51.700 INFO [stderr]    Compiling exceptional v0.1.0 (/source)
Nov 30 03:12:54.084 INFO [stderr] warning: unused import: `Shutdown`
Nov 30 03:12:54.084 INFO [stderr]   --> src/native.rs:14:16
Nov 30 03:12:54.084 INFO [stderr]    |
Nov 30 03:12:54.084 INFO [stderr] 14 | use std::net::{Shutdown, TcpListener, TcpStream};
Nov 30 03:12:54.084 INFO [stderr]    |                ^^^^^^^^
Nov 30 03:12:54.084 INFO [stderr]    |
Nov 30 03:12:54.084 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 03:12:54.084 INFO [stderr] 
Nov 30 03:12:54.088 INFO [stderr] warning: unused import: `std::fs`
Nov 30 03:12:54.088 INFO [stderr]  --> src/vm.rs:9:5
Nov 30 03:12:54.088 INFO [stderr]   |
Nov 30 03:12:54.088 INFO [stderr] 9 | use std::fs;
Nov 30 03:12:54.088 INFO [stderr]   |     ^^^^^^^
Nov 30 03:12:54.088 INFO [stderr] 
Nov 30 03:12:54.088 INFO [stderr] warning: unused import: `std::fs::File`
Nov 30 03:12:54.088 INFO [stderr]   --> src/vm.rs:10:5
Nov 30 03:12:54.088 INFO [stderr]    |
Nov 30 03:12:54.088 INFO [stderr] 10 | use std::fs::File;
Nov 30 03:12:54.088 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 30 03:12:54.088 INFO [stderr] 
Nov 30 03:12:54.088 INFO [stderr] warning: unused import: `std::io::Write`
Nov 30 03:12:54.088 INFO [stderr]   --> src/vm.rs:11:5
Nov 30 03:12:54.088 INFO [stderr]    |
Nov 30 03:12:54.088 INFO [stderr] 11 | use std::io::Write;
Nov 30 03:12:54.088 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 30 03:12:54.088 INFO [stderr] 
Nov 30 03:12:54.374 INFO [stderr] warning: unused import: `std::io::Write`
Nov 30 03:12:54.374 INFO [stderr]   --> src/vm.rs:11:5
Nov 30 03:12:54.374 INFO [stderr]    |
Nov 30 03:12:54.374 INFO [stderr] 11 | use std::io::Write;
Nov 30 03:12:54.374 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 30 03:12:54.374 INFO [stderr]    |
Nov 30 03:12:54.377 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 03:12:54.377 INFO [stderr] 
Nov 30 03:12:55.501 INFO [stderr] warning: method is never used: `blank`
Nov 30 03:12:55.501 INFO [stderr]   --> src/closure.rs:20:5
Nov 30 03:12:55.501 INFO [stderr]    |
Nov 30 03:12:55.501 INFO [stderr] 20 |     pub fn blank() -> Closure {
Nov 30 03:12:55.501 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 03:12:55.501 INFO [stderr]    |
Nov 30 03:12:55.501 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 03:12:55.501 INFO [stderr] 
Nov 30 03:12:55.501 INFO [stderr] warning: variant is never constructed: `File`
Nov 30 03:12:55.501 INFO [stderr]   --> src/native.rs:23:5
Nov 30 03:12:55.501 INFO [stderr]    |
Nov 30 03:12:55.501 INFO [stderr] 23 |     File(File),
Nov 30 03:12:55.501 INFO [stderr]    |     ^^^^^^^^^^
Nov 30 03:12:55.501 INFO [stderr] 
Nov 30 03:12:55.501 INFO [stderr] warning: method is never used: `empty`
Nov 30 03:12:55.501 INFO [stderr]   --> src/vm.rs:60:5
Nov 30 03:12:55.501 INFO [stderr]    |
Nov 30 03:12:55.501 INFO [stderr] 60 |     pub fn empty() -> Vm {
Nov 30 03:12:55.501 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 03:12:55.501 INFO [stderr] 
Nov 30 03:12:55.502 INFO [stderr] warning: method is never used: `pop`
Nov 30 03:12:55.502 INFO [stderr]    --> src/vm.rs:251:5
Nov 30 03:12:55.502 INFO [stderr]     |
Nov 30 03:12:55.502 INFO [stderr] 251 |     pub fn pop(&mut self) -> Option<Value> {
Nov 30 03:12:55.502 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 03:12:55.502 INFO [stderr] 
Nov 30 03:12:55.502 INFO [stderr] warning: method is never used: `local_assign`
Nov 30 03:12:55.502 INFO [stderr]    --> src/vm.rs:259:5
Nov 30 03:12:55.502 INFO [stderr]     |
Nov 30 03:12:55.502 INFO [stderr] 259 |     pub fn local_assign(&mut self, name: &String, value: Value) {
Nov 30 03:12:55.502 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 03:12:55.502 INFO [stderr] 
Nov 30 03:12:56.804 INFO [stderr] warning: variant is never constructed: `File`
Nov 30 03:12:56.804 INFO [stderr]   --> src/native.rs:23:5
Nov 30 03:12:56.804 INFO [stderr]    |
Nov 30 03:12:56.804 INFO [stderr] 23 |     File(File),
Nov 30 03:12:56.804 INFO [stderr]    |     ^^^^^^^^^^
Nov 30 03:12:56.804 INFO [stderr]    |
Nov 30 03:12:56.804 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 03:12:56.804 INFO [stderr] 
Nov 30 03:12:56.936 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.96s
Nov 30 03:12:56.936 INFO [stderr] su: No module specific data is present
Nov 30 03:12:57.402 INFO running `"docker" "inspect" "9909dd0fde8ba33b4e35aab522c3f68fe95d06f58fc89deb37256bc3f891d095"`
Nov 30 03:12:57.594 INFO running `"docker" "rm" "-f" "9909dd0fde8ba33b4e35aab522c3f68fe95d06f58fc89deb37256bc3f891d095"`
Nov 30 03:12:57.824 INFO [stdout] 9909dd0fde8ba33b4e35aab522c3f68fe95d06f58fc89deb37256bc3f891d095