[INFO] updating cached repository BookOwl/kaleidoscope-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BookOwl/kaleidoscope-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BookOwl/kaleidoscope-rs" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/BookOwl/kaleidoscope-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/BookOwl/kaleidoscope-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BookOwl/kaleidoscope-rs" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/BookOwl/kaleidoscope-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/BookOwl/kaleidoscope-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c0a5bf9b7e47935cf74cd61cf88af74969dba876
[INFO] sha for GitHub repo BookOwl/kaleidoscope-rs: c0a5bf9b7e47935cf74cd61cf88af74969dba876
[INFO] validating manifest of BookOwl/kaleidoscope-rs on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of BookOwl/kaleidoscope-rs on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing BookOwl/kaleidoscope-rs
[INFO] finished frobbing BookOwl/kaleidoscope-rs
[INFO] frobbed toml for BookOwl/kaleidoscope-rs written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/BookOwl/kaleidoscope-rs/Cargo.toml
[INFO] started frobbing BookOwl/kaleidoscope-rs
[INFO] finished frobbing BookOwl/kaleidoscope-rs
[INFO] frobbed toml for BookOwl/kaleidoscope-rs written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/BookOwl/kaleidoscope-rs/Cargo.toml
[INFO] crate BookOwl/kaleidoscope-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking BookOwl/kaleidoscope-rs against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-0/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/BookOwl/kaleidoscope-rs:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0074886a4eae0be1b5e833ca4420e11c7c71d2495fcf37cbb3540ce3ead8a6d3
[INFO] running `"docker" "start" "-a" "0074886a4eae0be1b5e833ca4420e11c7c71d2495fcf37cbb3540ce3ead8a6d3"`
[INFO] [stderr]    Compiling llvm-alt v0.5.0 (https://github.com/TomBebb/llvm-rs.git#1aeff086)
[INFO] [stderr]    Compiling llvm-sys v0.3.0 (https://github.com/TomBebbington/llvm-sys.rs#88a4f2da)
[INFO] [stderr]    Compiling kaleidoscope v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking cbox v0.3.0
[INFO] [stderr] warning: unused import: `llvm::Attribute::*`
[INFO] [stderr]  --> src/codegen.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use llvm::Attribute::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/jit.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{Read, Write, stdin, stdout};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `llvm::Attribute::*`
[INFO] [stderr]  --> src/jit.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use llvm::Attribute::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `llvm::Function`
[INFO] [stderr]  --> src/jit.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use llvm::Function;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/jit.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 |         if input.trim_left() == "" {
[INFO] [stderr]    |                  ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/codegen.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let mut func = module.get_function(&function_ast.prototype.name);
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/jit.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         stdout().flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/jit.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 codegen::generate_prototype(&proto, &module, &context);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `llvm::Attribute::*`
[INFO] [stderr]  --> src/codegen.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use llvm::Attribute::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/jit.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{Read, Write, stdin, stdout};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `llvm::Attribute::*`
[INFO] [stderr]  --> src/jit.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use llvm::Attribute::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `llvm::Function`
[INFO] [stderr]  --> src/jit.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use llvm::Function;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/jit.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 |         if input.trim_left() == "" {
[INFO] [stderr]    |                  ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]   --> src/codegen.rs:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let func = generate_function(&ast, &builder, &module, &ctx).unwrap();
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_func`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]    --> src/codegen.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let func = generate_function(&ast, &builder, &module, &ctx).unwrap();
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_func`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/codegen.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let mut func = module.get_function(&function_ast.prototype.name);
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/jit.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         stdout().flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/jit.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 codegen::generate_prototype(&proto, &module, &context);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.22s
[INFO] running `"docker" "inspect" "0074886a4eae0be1b5e833ca4420e11c7c71d2495fcf37cbb3540ce3ead8a6d3"`
[INFO] running `"docker" "rm" "-f" "0074886a4eae0be1b5e833ca4420e11c7c71d2495fcf37cbb3540ce3ead8a6d3"`
[INFO] [stdout] 0074886a4eae0be1b5e833ca4420e11c7c71d2495fcf37cbb3540ce3ead8a6d3