Oct 12 17:30:06.690 INFO checking mfs/box against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 17:30:06.690 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 17:30:07.118 INFO blam! 79649462783fb9820e2ba3cc5663930a08dfa03bb761a878b9e8b5f8c34b39aa
Oct 12 17:30:07.120 INFO running `"docker" "start" "-a" "79649462783fb9820e2ba3cc5663930a08dfa03bb761a878b9e8b5f8c34b39aa"`
Oct 12 17:30:08.323 INFO kablam! usermod: no changes
Oct 12 17:30:08.392 INFO kablam!     Checking box v0.1.0 (/source)
Oct 12 17:30:09.034 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:30:09.034 INFO kablam!   --> src/bin/assembler.rs:24:9
Oct 12 17:30:09.034 INFO kablam!    |
Oct 12 17:30:09.034 INFO kablam! 24 |     let mut reader = BufReader::new(f);
Oct 12 17:30:09.034 INFO kablam!    |         ----^^^^^^
Oct 12 17:30:09.034 INFO kablam!    |         |
Oct 12 17:30:09.034 INFO kablam!    |         help: remove this `mut`
Oct 12 17:30:09.034 INFO kablam!    |
Oct 12 17:30:09.036 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 17:30:09.036 INFO kablam! 
Oct 12 17:30:09.036 INFO kablam! warning: constant item is never used: `INSTRUCTIONS`
Oct 12 17:30:09.036 INFO kablam!   --> src/bin/assembler.rs:7:1
Oct 12 17:30:09.036 INFO kablam!    |
Oct 12 17:30:09.036 INFO kablam! 7  | / const INSTRUCTIONS: &'static [&'static str] = &[
Oct 12 17:30:09.036 INFO kablam! 8  | |     "nop", "jcn", "fim", "src", "fin", "jin", "jun", "jms", "inc", "isz", "add", "sub", "ld",
Oct 12 17:30:09.036 INFO kablam! 9  | |     "xch", "bbl", "ldm", "wrm", "wmp", "wrr", "wr0", "wr1", "wr2", "wr3", "sbm", "rdm", "rdr",
Oct 12 17:30:09.036 INFO kablam! 10 | |     "adm", "rd0", "rd1", "rd2", "rd3", "clb", "iac", "cmc", "cma", "ral", "rar", "tcc", "dac",
Oct 12 17:30:09.036 INFO kablam! 11 | |     "tcs", "stc", "daa", "kbp", "dcl"
Oct 12 17:30:09.036 INFO kablam! 12 | | ];
Oct 12 17:30:09.036 INFO kablam!    | |__^
Oct 12 17:30:09.036 INFO kablam!    |
Oct 12 17:30:09.036 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 17:30:09.036 INFO kablam! 
Oct 12 17:30:09.036 INFO kablam! warning: enum is never used: `Token`
Oct 12 17:30:09.036 INFO kablam!   --> src/bin/assembler.rs:14:1
Oct 12 17:30:09.036 INFO kablam!    |
Oct 12 17:30:09.036 INFO kablam! 14 | enum Token {
Oct 12 17:30:09.036 INFO kablam!    | ^^^^^^^^^^
Oct 12 17:30:09.036 INFO kablam! 
Oct 12 17:30:09.134 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:30:09.134 INFO kablam!   --> src/bin/assembler.rs:24:9
Oct 12 17:30:09.134 INFO kablam!    |
Oct 12 17:30:09.134 INFO kablam! 24 |     let mut reader = BufReader::new(f);
Oct 12 17:30:09.134 INFO kablam!    |         ----^^^^^^
Oct 12 17:30:09.134 INFO kablam!    |         |
Oct 12 17:30:09.134 INFO kablam!    |         help: remove this `mut`
Oct 12 17:30:09.134 INFO kablam!    |
Oct 12 17:30:09.134 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 17:30:09.134 INFO kablam! 
Oct 12 17:30:09.134 INFO kablam! warning: constant item is never used: `INSTRUCTIONS`
Oct 12 17:30:09.134 INFO kablam!   --> src/bin/assembler.rs:7:1
Oct 12 17:30:09.134 INFO kablam!    |
Oct 12 17:30:09.134 INFO kablam! 7  | / const INSTRUCTIONS: &'static [&'static str] = &[
Oct 12 17:30:09.134 INFO kablam! 8  | |     "nop", "jcn", "fim", "src", "fin", "jin", "jun", "jms", "inc", "isz", "add", "sub", "ld",
Oct 12 17:30:09.134 INFO kablam! 9  | |     "xch", "bbl", "ldm", "wrm", "wmp", "wrr", "wr0", "wr1", "wr2", "wr3", "sbm", "rdm", "rdr",
Oct 12 17:30:09.134 INFO kablam! 10 | |     "adm", "rd0", "rd1", "rd2", "rd3", "clb", "iac", "cmc", "cma", "ral", "rar", "tcc", "dac",
Oct 12 17:30:09.134 INFO kablam! 11 | |     "tcs", "stc", "daa", "kbp", "dcl"
Oct 12 17:30:09.134 INFO kablam! 12 | | ];
Oct 12 17:30:09.134 INFO kablam!    | |__^
Oct 12 17:30:09.134 INFO kablam!    |
Oct 12 17:30:09.134 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 17:30:09.134 INFO kablam! 
Oct 12 17:30:09.134 INFO kablam! warning: enum is never used: `Token`
Oct 12 17:30:09.134 INFO kablam!   --> src/bin/assembler.rs:14:1
Oct 12 17:30:09.134 INFO kablam!    |
Oct 12 17:30:09.134 INFO kablam! 14 | enum Token {
Oct 12 17:30:09.134 INFO kablam!    | ^^^^^^^^^^
Oct 12 17:30:09.134 INFO kablam! 
Oct 12 17:30:09.274 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
Oct 12 17:30:09.279 INFO kablam! su: No module specific data is present
Oct 12 17:30:09.635 INFO running `"docker" "rm" "-f" "79649462783fb9820e2ba3cc5663930a08dfa03bb761a878b9e8b5f8c34b39aa"`
Oct 12 17:30:09.769 INFO blam! 79649462783fb9820e2ba3cc5663930a08dfa03bb761a878b9e8b5f8c34b39aa