[INFO] updating cached repository Saikyun/kaleidoscope-llvm-compiler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Saikyun/kaleidoscope-llvm-compiler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Saikyun/kaleidoscope-llvm-compiler" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/Saikyun/kaleidoscope-llvm-compiler"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/Saikyun/kaleidoscope-llvm-compiler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Saikyun/kaleidoscope-llvm-compiler" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/Saikyun/kaleidoscope-llvm-compiler"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/Saikyun/kaleidoscope-llvm-compiler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7fca4f42335282527f183cbbd3256b3be8cf8a49
[INFO] sha for GitHub repo Saikyun/kaleidoscope-llvm-compiler: 7fca4f42335282527f183cbbd3256b3be8cf8a49
[INFO] validating manifest of Saikyun/kaleidoscope-llvm-compiler on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Saikyun/kaleidoscope-llvm-compiler on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Saikyun/kaleidoscope-llvm-compiler
[INFO] finished frobbing Saikyun/kaleidoscope-llvm-compiler
[INFO] frobbed toml for Saikyun/kaleidoscope-llvm-compiler written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/Saikyun/kaleidoscope-llvm-compiler/Cargo.toml
[INFO] started frobbing Saikyun/kaleidoscope-llvm-compiler
[INFO] finished frobbing Saikyun/kaleidoscope-llvm-compiler
[INFO] frobbed toml for Saikyun/kaleidoscope-llvm-compiler written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/Saikyun/kaleidoscope-llvm-compiler/Cargo.toml
[INFO] crate Saikyun/kaleidoscope-llvm-compiler has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Saikyun/kaleidoscope-llvm-compiler against master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-5/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/Saikyun/kaleidoscope-llvm-compiler:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1b2189bf853341e5c623639f519446e1f93f4202650039bdeddbe5cebe996463
[INFO] running `"docker" "start" "-a" "1b2189bf853341e5c623639f519446e1f93f4202650039bdeddbe5cebe996463"`
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking kaleidoscope v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `jmp` is never read
[INFO] [stderr]   --> src/parser.rs:56:33
[INFO] [stderr]    |
[INFO] [stderr] 56 |                                 jmp += jmp2;
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `jmp` is never read
[INFO] [stderr]   --> src/parser.rs:85:33
[INFO] [stderr]    |
[INFO] [stderr] 85 |                                 jmp += jmp2;
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/parser.rs:219:13
[INFO] [stderr]     |
[INFO] [stderr] 219 |             a => {
[INFO] [stderr]     |             ^ help: consider using `_a` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `str`
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let str = b"def fib(x)
[INFO] [stderr]   |         ^^^ help: consider using `_str` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]   --> src/main.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let expr = parser::parse(&res);
[INFO] [stderr]    |         ^^^^ help: consider using `_expr` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:26:16
[INFO] [stderr]    |
[INFO] [stderr] 26 |             Ok(n) => {
[INFO] [stderr]    |                ^ help: consider using `_n` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Prototype`
[INFO] [stderr]   --> src/parser.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Prototype(Prototype),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `jmp` is never read
[INFO] [stderr]   --> src/parser.rs:56:33
[INFO] [stderr]    |
[INFO] [stderr] 56 |                                 jmp += jmp2;
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `jmp` is never read
[INFO] [stderr]   --> src/parser.rs:85:33
[INFO] [stderr]    |
[INFO] [stderr] 85 |                                 jmp += jmp2;
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/parser.rs:219:13
[INFO] [stderr]     |
[INFO] [stderr] 219 |             a => {
[INFO] [stderr]     |             ^ help: consider using `_a` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `str`
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let str = b"def fib(x)
[INFO] [stderr]   |         ^^^ help: consider using `_str` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]   --> src/main.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let expr = parser::parse(&res);
[INFO] [stderr]    |         ^^^^ help: consider using `_expr` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:26:16
[INFO] [stderr]    |
[INFO] [stderr] 26 |             Ok(n) => {
[INFO] [stderr]    |                ^ help: consider using `_n` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Prototype`
[INFO] [stderr]   --> src/parser.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Prototype(Prototype),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `"docker" "inspect" "1b2189bf853341e5c623639f519446e1f93f4202650039bdeddbe5cebe996463"`
[INFO] running `"docker" "rm" "-f" "1b2189bf853341e5c623639f519446e1f93f4202650039bdeddbe5cebe996463"`
[INFO] [stdout] 1b2189bf853341e5c623639f519446e1f93f4202650039bdeddbe5cebe996463