[INFO] cloning repository maekawatoshiki/rcaml
[INFO] running `"git" "clone" "--bare" "git://github.com/maekawatoshiki/rcaml.git" "work/cache/sources/gh/maekawatoshiki/rcaml"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/maekawatoshiki/rcaml'...
[INFO] running `"git" "clone" "work/cache/sources/gh/maekawatoshiki/rcaml" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/maekawatoshiki/rcaml"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/maekawatoshiki/rcaml'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/maekawatoshiki/rcaml" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/maekawatoshiki/rcaml"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/maekawatoshiki/rcaml'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c9824653d7acd5de76731428b52d63e41f51c3e9
[INFO] sha for GitHub repo maekawatoshiki/rcaml: c9824653d7acd5de76731428b52d63e41f51c3e9
[INFO] validating manifest of maekawatoshiki/rcaml on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of maekawatoshiki/rcaml on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing maekawatoshiki/rcaml
[INFO] finished frobbing maekawatoshiki/rcaml
[INFO] frobbed toml for maekawatoshiki/rcaml written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/maekawatoshiki/rcaml/Cargo.toml
[INFO] started frobbing maekawatoshiki/rcaml
[INFO] finished frobbing maekawatoshiki/rcaml
[INFO] frobbed toml for maekawatoshiki/rcaml written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/maekawatoshiki/rcaml/Cargo.toml
[INFO] crate maekawatoshiki/rcaml already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded llvm-sys v39.0.6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking maekawatoshiki/rcaml against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-3/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/maekawatoshiki/rcaml:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d7797a523fcaa0fc95e409a4f43320dbb8a2a692501918300c2b639aa47218c3
[INFO] running `"docker" "start" "-a" "d7797a523fcaa0fc95e409a4f43320dbb8a2a692501918300c2b639aa47218c3"`
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling semver-parser v0.6.2
[INFO] [stderr]    Compiling semver v0.4.1
[INFO] [stderr]    Compiling llvm-sys v39.0.6
[INFO] [stderr]     Checking rcaml v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/parser.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 | /                 (params
[INFO] [stderr] 70 | |                     .into_iter()
[INFO] [stderr] 71 | |                     .map(|param| (param.get_ident_name().unwrap(), Type::Var(0)))
[INFO] [stderr] 72 | |                     .collect())
[INFO] [stderr]    | |_______________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 params
[INFO] [stderr] 70 |                     .into_iter()
[INFO] [stderr] 71 |                     .map(|param| (param.get_ident_name().unwrap(), Type::Var(0)))
[INFO] [stderr] 72 |                     .collect()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/parser.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 | /                 (params
[INFO] [stderr] 70 | |                     .into_iter()
[INFO] [stderr] 71 | |                     .map(|param| (param.get_ident_name().unwrap(), Type::Var(0)))
[INFO] [stderr] 72 | |                     .collect())
[INFO] [stderr]    | |_______________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 params
[INFO] [stderr] 70 |                     .into_iter()
[INFO] [stderr] 71 |                     .map(|param| (param.get_ident_name().unwrap(), Type::Var(0)))
[INFO] [stderr] 72 |                     .collect()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `node::NodeKind::*`
[INFO] [stderr]    --> src/parser.rs:833:9
[INFO] [stderr]     |
[INFO] [stderr] 833 |     use node::NodeKind::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `node::FuncDef`
[INFO] [stderr]    --> src/parser.rs:834:9
[INFO] [stderr]     |
[INFO] [stderr] 834 |     use node::FuncDef;
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `node::BinOps::*`
[INFO] [stderr]    --> src/parser.rs:835:9
[INFO] [stderr]     |
[INFO] [stderr] 835 |     use node::BinOps::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `node::BinOps::*`
[INFO] [stderr]    --> src/parser.rs:836:9
[INFO] [stderr]     |
[INFO] [stderr] 836 |     use node::BinOps::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/typing.rs:41:22
[INFO] [stderr]    |
[INFO] [stderr] 41 |                     .trim_right_matches(" * ")
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/typing.rs:41:22
[INFO] [stderr]    |
[INFO] [stderr] 41 |                     .trim_right_matches(" * ")
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `remain`
[INFO] [stderr]    --> src/parser.rs:843:23
[INFO] [stderr]     |
[INFO] [stderr] 843 |         IResult::Done(remain, node) => {
[INFO] [stderr]     |                       ^^^^^^ help: consider prefixing with an underscore: `_remain`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `param_ty`
[INFO] [stderr]    --> src/codegen.rs:340:43
[INFO] [stderr]     |
[INFO] [stderr] 340 |             for (i, &(ref param_name, ref param_ty)) in cls.formal_fv.iter().enumerate() {
[INFO] [stderr]     |                                           ^^^^^^^^ help: consider prefixing with an underscore: `_param_ty`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]    --> src/codegen.rs:461:9
[INFO] [stderr]     |
[INFO] [stderr] 461 |         ty: &Type,
[INFO] [stderr]     |         ^^ help: consider prefixing with an underscore: `_ty`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]    --> src/codegen.rs:483:33
[INFO] [stderr]     |
[INFO] [stderr] 483 |         for (i, &(ref name, ref ty)) in xs.iter().enumerate() {
[INFO] [stderr]     |                                 ^^ help: consider prefixing with an underscore: `_ty`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `param_ty`
[INFO] [stderr]    --> src/codegen.rs:340:43
[INFO] [stderr]     |
[INFO] [stderr] 340 |             for (i, &(ref param_name, ref param_ty)) in cls.formal_fv.iter().enumerate() {
[INFO] [stderr]     |                                           ^^^^^^^^ help: consider prefixing with an underscore: `_param_ty`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]    --> src/codegen.rs:461:9
[INFO] [stderr]     |
[INFO] [stderr] 461 |         ty: &Type,
[INFO] [stderr]     |         ^^ help: consider prefixing with an underscore: `_ty`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]    --> src/codegen.rs:483:33
[INFO] [stderr]     |
[INFO] [stderr] 483 |         for (i, &(ref name, ref ty)) in xs.iter().enumerate() {
[INFO] [stderr]     |                                 ^^ help: consider prefixing with an underscore: `_ty`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cur_bb_has_no_terminator`
[INFO] [stderr]   --> src/codegen.rs:85:1
[INFO] [stderr]    |
[INFO] [stderr] 85 | unsafe fn cur_bb_has_no_terminator(builder: LLVMBuilderRef) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cur_bb_has_no_terminator`
[INFO] [stderr]   --> src/codegen.rs:85:1
[INFO] [stderr]    |
[INFO] [stderr] 85 | unsafe fn cur_bb_has_no_terminator(builder: LLVMBuilderRef) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.88s
[INFO] running `"docker" "inspect" "d7797a523fcaa0fc95e409a4f43320dbb8a2a692501918300c2b639aa47218c3"`
[INFO] running `"docker" "rm" "-f" "d7797a523fcaa0fc95e409a4f43320dbb8a2a692501918300c2b639aa47218c3"`
[INFO] [stdout] d7797a523fcaa0fc95e409a4f43320dbb8a2a692501918300c2b639aa47218c3