Dec 05 23:59:45.394 INFO testing exceptional-lang/exceptional against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 23:59:45.394 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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"`
Dec 05 23:59:45.768 INFO [stdout] dea5dd8bcbd564d73abf49c889437acc2c74a5e3ef7274de26118c8044e5bb76
Dec 05 23:59:45.774 INFO running `"docker" "start" "-a" "dea5dd8bcbd564d73abf49c889437acc2c74a5e3ef7274de26118c8044e5bb76"`
Dec 05 23:59:46.669 INFO [stderr] usermod: no changes
Dec 05 23:59:46.751 INFO [stderr]    Compiling peg v0.4.0
Dec 05 23:59:46.751 INFO [stderr]    Compiling fern v0.4.0
Dec 05 23:59:46.751 INFO [stderr]    Compiling num-bigint v0.1.39
Dec 05 23:59:48.539 INFO [stderr]    Compiling num-rational v0.1.38
Dec 05 23:59:49.260 INFO [stderr]    Compiling exceptional v0.1.0 (/source)
Dec 05 23:59:50.556 INFO [stderr]    Compiling num v0.1.39
Dec 05 23:59:51.740 INFO [stderr] warning: unused import: `Shutdown`
Dec 05 23:59:51.740 INFO [stderr]   --> src/native.rs:14:16
Dec 05 23:59:51.740 INFO [stderr]    |
Dec 05 23:59:51.740 INFO [stderr] 14 | use std::net::{Shutdown, TcpListener, TcpStream};
Dec 05 23:59:51.740 INFO [stderr]    |                ^^^^^^^^
Dec 05 23:59:51.740 INFO [stderr]    |
Dec 05 23:59:51.740 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 23:59:51.740 INFO [stderr] 
Dec 05 23:59:51.740 INFO [stderr] warning: unused import: `std::fs`
Dec 05 23:59:51.740 INFO [stderr]  --> src/vm.rs:9:5
Dec 05 23:59:51.740 INFO [stderr]   |
Dec 05 23:59:51.740 INFO [stderr] 9 | use std::fs;
Dec 05 23:59:51.740 INFO [stderr]   |     ^^^^^^^
Dec 05 23:59:51.740 INFO [stderr] 
Dec 05 23:59:51.740 INFO [stderr] warning: unused import: `std::fs::File`
Dec 05 23:59:51.740 INFO [stderr]   --> src/vm.rs:10:5
Dec 05 23:59:51.740 INFO [stderr]    |
Dec 05 23:59:51.740 INFO [stderr] 10 | use std::fs::File;
Dec 05 23:59:51.740 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 05 23:59:51.740 INFO [stderr] 
Dec 05 23:59:51.741 INFO [stderr] warning: unused import: `std::io::Write`
Dec 05 23:59:51.741 INFO [stderr]   --> src/vm.rs:11:5
Dec 05 23:59:51.741 INFO [stderr]    |
Dec 05 23:59:51.741 INFO [stderr] 11 | use std::io::Write;
Dec 05 23:59:51.741 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 05 23:59:51.741 INFO [stderr] 
Dec 05 23:59:52.664 INFO [stderr] warning: method is never used: `blank`
Dec 05 23:59:52.664 INFO [stderr]   --> src/closure.rs:20:5
Dec 05 23:59:52.664 INFO [stderr]    |
Dec 05 23:59:52.664 INFO [stderr] 20 |     pub fn blank() -> Closure {
Dec 05 23:59:52.664 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:59:52.664 INFO [stderr]    |
Dec 05 23:59:52.664 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 23:59:52.664 INFO [stderr] 
Dec 05 23:59:52.664 INFO [stderr] warning: variant is never constructed: `File`
Dec 05 23:59:52.664 INFO [stderr]   --> src/native.rs:23:5
Dec 05 23:59:52.664 INFO [stderr]    |
Dec 05 23:59:52.664 INFO [stderr] 23 |     File(File),
Dec 05 23:59:52.664 INFO [stderr]    |     ^^^^^^^^^^
Dec 05 23:59:52.664 INFO [stderr] 
Dec 05 23:59:52.664 INFO [stderr] warning: method is never used: `empty`
Dec 05 23:59:52.664 INFO [stderr]   --> src/vm.rs:60:5
Dec 05 23:59:52.664 INFO [stderr]    |
Dec 05 23:59:52.664 INFO [stderr] 60 |     pub fn empty() -> Vm {
Dec 05 23:59:52.664 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 05 23:59:52.664 INFO [stderr] 
Dec 05 23:59:52.664 INFO [stderr] warning: method is never used: `pop`
Dec 05 23:59:52.664 INFO [stderr]    --> src/vm.rs:251:5
Dec 05 23:59:52.664 INFO [stderr]     |
Dec 05 23:59:52.664 INFO [stderr] 251 |     pub fn pop(&mut self) -> Option<Value> {
Dec 05 23:59:52.664 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:59:52.664 INFO [stderr] 
Dec 05 23:59:52.664 INFO [stderr] warning: method is never used: `local_assign`
Dec 05 23:59:52.664 INFO [stderr]    --> src/vm.rs:259:5
Dec 05 23:59:52.664 INFO [stderr]     |
Dec 05 23:59:52.664 INFO [stderr] 259 |     pub fn local_assign(&mut self, name: &String, value: Value) {
Dec 05 23:59:52.664 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:59:52.664 INFO [stderr] 
Dec 05 23:59:55.596 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.90s
Dec 05 23:59:55.604 INFO [stderr] su: No module specific data is present
Dec 05 23:59:55.808 INFO running `"docker" "inspect" "dea5dd8bcbd564d73abf49c889437acc2c74a5e3ef7274de26118c8044e5bb76"`
Dec 05 23:59:55.885 INFO running `"docker" "rm" "-f" "dea5dd8bcbd564d73abf49c889437acc2c74a5e3ef7274de26118c8044e5bb76"`
Dec 05 23:59:56.024 INFO [stdout] dea5dd8bcbd564d73abf49c889437acc2c74a5e3ef7274de26118c8044e5bb76
Dec 05 23:59:56.027 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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"`
Dec 05 23:59:56.213 INFO [stdout] e478a6223bf26d827720a135e71c7e8671099b9212b364cb5c725ca9a6303a76
Dec 05 23:59:56.215 INFO running `"docker" "start" "-a" "e478a6223bf26d827720a135e71c7e8671099b9212b364cb5c725ca9a6303a76"`
Dec 05 23:59:56.610 INFO [stderr] usermod: no changes
Dec 05 23:59:56.669 INFO [stderr]    Compiling exceptional v0.1.0 (/source)
Dec 05 23:59:57.682 INFO [stderr] warning: unused import: `std::io::Write`
Dec 05 23:59:57.682 INFO [stderr]   --> src/vm.rs:11:5
Dec 05 23:59:57.683 INFO [stderr]    |
Dec 05 23:59:57.683 INFO [stderr] 11 | use std::io::Write;
Dec 05 23:59:57.683 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 05 23:59:57.683 INFO [stderr]    |
Dec 05 23:59:57.683 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 23:59:57.683 INFO [stderr] 
Dec 05 23:59:59.668 INFO [stderr] warning: variant is never constructed: `File`
Dec 05 23:59:59.668 INFO [stderr]   --> src/native.rs:23:5
Dec 05 23:59:59.668 INFO [stderr]    |
Dec 05 23:59:59.668 INFO [stderr] 23 |     File(File),
Dec 05 23:59:59.668 INFO [stderr]    |     ^^^^^^^^^^
Dec 05 23:59:59.668 INFO [stderr]    |
Dec 05 23:59:59.668 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 23:59:59.668 INFO [stderr] 
Dec 06 00:00:04.676 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.04s
Dec 06 00:00:04.676 INFO [stderr] su: No module specific data is present
Dec 06 00:00:05.226 INFO running `"docker" "inspect" "e478a6223bf26d827720a135e71c7e8671099b9212b364cb5c725ca9a6303a76"`
Dec 06 00:00:05.432 INFO running `"docker" "rm" "-f" "e478a6223bf26d827720a135e71c7e8671099b9212b364cb5c725ca9a6303a76"`
Dec 06 00:00:05.629 INFO [stdout] e478a6223bf26d827720a135e71c7e8671099b9212b364cb5c725ca9a6303a76