Nov 30 09:29:45.676 INFO checking NicholasLYang/saber against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 09:29:45.676 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 09:29:46.008 INFO [stdout] 7df774914cdcb537d55e980ae640b5e82a67eb5173ea21fce0e5d9eb8238da67
Nov 30 09:29:46.010 INFO running `"docker" "start" "-a" "7df774914cdcb537d55e980ae640b5e82a67eb5173ea21fce0e5d9eb8238da67"`
Nov 30 09:29:46.542 INFO [stderr] usermod: no changes
Nov 30 09:29:46.791 INFO [stderr]    Compiling byte-tools v0.3.0
Nov 30 09:29:46.791 INFO [stderr]    Compiling byteorder v1.2.7
Nov 30 09:29:46.791 INFO [stderr]    Compiling bit-vec v0.5.0
Nov 30 09:29:46.792 INFO [stderr]    Compiling opaque-debug v0.2.1
Nov 30 09:29:46.808 INFO [stderr]    Compiling lalrpop-util v0.16.1
Nov 30 09:29:46.808 INFO [stderr]    Compiling log v0.4.6
Nov 30 09:29:46.808 INFO [stderr]    Compiling petgraph v0.4.13
Nov 30 09:29:46.960 INFO [stderr]    Compiling itertools v0.7.8
Nov 30 09:29:47.080 INFO [stderr]    Compiling block-padding v0.1.2
Nov 30 09:29:47.833 INFO [stderr]    Compiling memchr v2.1.1
Nov 30 09:29:47.855 INFO [stderr]    Compiling generic-array v0.12.0
Nov 30 09:29:47.913 INFO [stderr]    Compiling syn v0.15.15
Nov 30 09:29:48.192 INFO [stderr]    Compiling string_cache_codegen v0.4.2
Nov 30 09:29:49.232 INFO [stderr]    Compiling ena v0.10.1
Nov 30 09:29:49.287 INFO [stderr]    Compiling bit-set v0.5.0
Nov 30 09:29:52.473 INFO [stderr]    Compiling digest v0.8.0
Nov 30 09:29:53.365 INFO [stderr]    Compiling block-buffer v0.7.0
Nov 30 09:29:54.341 INFO [stderr]     Checking failure v0.1.2
Nov 30 09:29:55.125 INFO [stderr]    Compiling sha2 v0.8.0
Nov 30 09:29:55.264 INFO [stderr]    Compiling aho-corasick v0.6.9
Nov 30 09:30:00.725 INFO [stderr]    Compiling regex v1.0.5
Nov 30 09:30:05.120 INFO [stderr]    Compiling string_cache v0.7.3
Nov 30 09:30:22.730 INFO [stderr]    Compiling serde_derive v1.0.80
Nov 30 09:30:36.105 INFO [stderr]    Compiling docopt v1.0.2
Nov 30 09:30:41.753 INFO [stderr]    Compiling lalrpop v0.16.1
Nov 30 09:31:31.862 INFO [stderr]    Compiling saber v0.1.0 (/source)
Nov 30 09:31:40.509 INFO [stderr] warning: variant is never constructed: `Tuple`
Nov 30 09:31:40.509 INFO [stderr]   --> src/ast.rs:73:5
Nov 30 09:31:40.509 INFO [stderr]    |
Nov 30 09:31:40.509 INFO [stderr] 73 |     Tuple(Vec<Type>),
Nov 30 09:31:40.509 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 30 09:31:40.509 INFO [stderr]    |
Nov 30 09:31:40.509 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 09:31:40.509 INFO [stderr] 
Nov 30 09:31:40.509 INFO [stderr] warning: variant is never constructed: `Arrow`
Nov 30 09:31:40.509 INFO [stderr]   --> src/ast.rs:76:5
Nov 30 09:31:40.509 INFO [stderr]    |
Nov 30 09:31:40.509 INFO [stderr] 76 |     Arrow(Vec<Type>, Box<Type>),
Nov 30 09:31:40.509 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:31:40.509 INFO [stderr] 
Nov 30 09:31:40.509 INFO [stderr] warning: variant is never constructed: `Char`
Nov 30 09:31:40.509 INFO [stderr]   --> src/ast.rs:82:5
Nov 30 09:31:40.509 INFO [stderr]    |
Nov 30 09:31:40.509 INFO [stderr] 82 |     Char,
Nov 30 09:31:40.509 INFO [stderr]    |     ^^^^
Nov 30 09:31:40.509 INFO [stderr] 
Nov 30 09:31:40.720 INFO [stderr] warning: variant is never constructed: `Tuple`
Nov 30 09:31:40.720 INFO [stderr]   --> src/ast.rs:73:5
Nov 30 09:31:40.720 INFO [stderr]    |
Nov 30 09:31:40.720 INFO [stderr] 73 |     Tuple(Vec<Type>),
Nov 30 09:31:40.720 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 30 09:31:40.720 INFO [stderr]    |
Nov 30 09:31:40.720 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 09:31:40.720 INFO [stderr] 
Nov 30 09:31:40.720 INFO [stderr] warning: variant is never constructed: `Arrow`
Nov 30 09:31:40.720 INFO [stderr]   --> src/ast.rs:76:5
Nov 30 09:31:40.720 INFO [stderr]    |
Nov 30 09:31:40.720 INFO [stderr] 76 |     Arrow(Vec<Type>, Box<Type>),
Nov 30 09:31:40.720 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:31:40.720 INFO [stderr] 
Nov 30 09:31:40.720 INFO [stderr] warning: variant is never constructed: `Char`
Nov 30 09:31:40.720 INFO [stderr]   --> src/ast.rs:82:5
Nov 30 09:31:40.720 INFO [stderr]    |
Nov 30 09:31:40.720 INFO [stderr] 82 |     Char,
Nov 30 09:31:40.720 INFO [stderr]    |     ^^^^
Nov 30 09:31:40.720 INFO [stderr] 
Nov 30 09:31:40.776 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 54s
Nov 30 09:31:40.787 INFO [stderr] su: No module specific data is present
Nov 30 09:31:41.340 INFO running `"docker" "inspect" "7df774914cdcb537d55e980ae640b5e82a67eb5173ea21fce0e5d9eb8238da67"`
Nov 30 09:31:41.608 INFO running `"docker" "rm" "-f" "7df774914cdcb537d55e980ae640b5e82a67eb5173ea21fce0e5d9eb8238da67"`
Nov 30 09:31:41.930 INFO [stdout] 7df774914cdcb537d55e980ae640b5e82a67eb5173ea21fce0e5d9eb8238da67