Nov 28 11:59:12.418 INFO checking NicholasLYang/saber against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 11:59:12.419 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 11:59:12.692 INFO [stdout] 8e242d1042b2481787e1ea392e6cfd6ff96dee5d2230ce189ca542bc5358bb33
Nov 28 11:59:12.694 INFO running `"docker" "start" "-a" "8e242d1042b2481787e1ea392e6cfd6ff96dee5d2230ce189ca542bc5358bb33"`
Nov 28 11:59:13.177 INFO [stderr] usermod: no changes
Nov 28 11:59:13.380 INFO [stderr]    Compiling byte-tools v0.3.0
Nov 28 11:59:13.380 INFO [stderr]    Compiling byteorder v1.2.7
Nov 28 11:59:13.383 INFO [stderr]    Compiling bit-vec v0.5.0
Nov 28 11:59:13.383 INFO [stderr]    Compiling opaque-debug v0.2.1
Nov 28 11:59:13.383 INFO [stderr]    Compiling lalrpop-util v0.16.1
Nov 28 11:59:13.395 INFO [stderr]    Compiling log v0.4.6
Nov 28 11:59:13.395 INFO [stderr]    Compiling petgraph v0.4.13
Nov 28 11:59:13.719 INFO [stderr]    Compiling memchr v2.1.1
Nov 28 11:59:13.738 INFO [stderr]    Compiling generic-array v0.12.0
Nov 28 11:59:14.480 INFO [stderr]    Compiling syn v0.15.15
Nov 28 11:59:14.500 INFO [stderr]    Compiling string_cache_codegen v0.4.2
Nov 28 11:59:14.748 INFO [stderr]    Compiling block-padding v0.1.2
Nov 28 11:59:15.292 INFO [stderr]    Compiling ena v0.10.1
Nov 28 11:59:15.304 INFO [stderr]    Compiling digest v0.8.0
Nov 28 11:59:15.326 INFO [stderr]    Compiling bit-set v0.5.0
Nov 28 11:59:15.388 INFO [stderr]    Compiling block-buffer v0.7.0
Nov 28 11:59:17.664 INFO [stderr]    Compiling sha2 v0.8.0
Nov 28 11:59:17.812 INFO [stderr]    Compiling aho-corasick v0.6.9
Nov 28 11:59:19.821 INFO [stderr]    Compiling regex v1.0.5
Nov 28 11:59:27.377 INFO [stderr]    Compiling string_cache v0.7.3
Nov 28 11:59:48.305 INFO [stderr]    Compiling serde_derive v1.0.80
Nov 28 12:00:03.100 INFO [stderr]    Compiling docopt v1.0.2
Nov 28 12:00:08.647 INFO [stderr]    Compiling lalrpop v0.16.1
Nov 28 12:01:03.891 INFO [stderr]    Compiling saber v0.1.0 (/source)
Nov 28 12:01:14.404 INFO [stderr] warning: variant is never constructed: `Tuple`
Nov 28 12:01:14.404 INFO [stderr]   --> src/ast.rs:73:5
Nov 28 12:01:14.404 INFO [stderr]    |
Nov 28 12:01:14.404 INFO [stderr] 73 |     Tuple(Vec<Type>),
Nov 28 12:01:14.404 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 28 12:01:14.404 INFO [stderr]    |
Nov 28 12:01:14.404 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 12:01:14.404 INFO [stderr] 
Nov 28 12:01:14.404 INFO [stderr] warning: variant is never constructed: `Arrow`
Nov 28 12:01:14.404 INFO [stderr]   --> src/ast.rs:76:5
Nov 28 12:01:14.404 INFO [stderr]    |
Nov 28 12:01:14.404 INFO [stderr] 76 |     Arrow(Vec<Type>, Box<Type>),
Nov 28 12:01:14.404 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:01:14.404 INFO [stderr] 
Nov 28 12:01:14.404 INFO [stderr] warning: variant is never constructed: `Char`
Nov 28 12:01:14.404 INFO [stderr]   --> src/ast.rs:82:5
Nov 28 12:01:14.404 INFO [stderr]    |
Nov 28 12:01:14.404 INFO [stderr] 82 |     Char,
Nov 28 12:01:14.404 INFO [stderr]    |     ^^^^
Nov 28 12:01:14.405 INFO [stderr] 
Nov 28 12:01:14.540 INFO [stderr] warning: variant is never constructed: `Tuple`
Nov 28 12:01:14.540 INFO [stderr]   --> src/ast.rs:73:5
Nov 28 12:01:14.540 INFO [stderr]    |
Nov 28 12:01:14.540 INFO [stderr] 73 |     Tuple(Vec<Type>),
Nov 28 12:01:14.540 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 28 12:01:14.540 INFO [stderr]    |
Nov 28 12:01:14.540 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 12:01:14.540 INFO [stderr] 
Nov 28 12:01:14.540 INFO [stderr] warning: variant is never constructed: `Arrow`
Nov 28 12:01:14.540 INFO [stderr]   --> src/ast.rs:76:5
Nov 28 12:01:14.540 INFO [stderr]    |
Nov 28 12:01:14.540 INFO [stderr] 76 |     Arrow(Vec<Type>, Box<Type>),
Nov 28 12:01:14.540 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:01:14.540 INFO [stderr] 
Nov 28 12:01:14.540 INFO [stderr] warning: variant is never constructed: `Char`
Nov 28 12:01:14.540 INFO [stderr]   --> src/ast.rs:82:5
Nov 28 12:01:14.540 INFO [stderr]    |
Nov 28 12:01:14.540 INFO [stderr] 82 |     Char,
Nov 28 12:01:14.540 INFO [stderr]    |     ^^^^
Nov 28 12:01:14.540 INFO [stderr] 
Nov 28 12:01:14.639 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 01s
Nov 28 12:01:14.657 INFO [stderr] su: No module specific data is present
Nov 28 12:01:15.786 INFO running `"docker" "inspect" "8e242d1042b2481787e1ea392e6cfd6ff96dee5d2230ce189ca542bc5358bb33"`
Nov 28 12:01:16.135 INFO running `"docker" "rm" "-f" "8e242d1042b2481787e1ea392e6cfd6ff96dee5d2230ce189ca542bc5358bb33"`
Nov 28 12:01:16.522 INFO [stdout] 8e242d1042b2481787e1ea392e6cfd6ff96dee5d2230ce189ca542bc5358bb33