[INFO] crate libcw 0.1.1 is already in cache
[INFO] extracting crate libcw 0.1.1 into work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/libcw/0.1.1
[INFO] extracting crate libcw 0.1.1 into work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/reg/libcw/0.1.1
[INFO] validating manifest of libcw-0.1.1 on toolchain master#2bde39b8edce6463e1c37f8a8082a875e7b536b1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of libcw-0.1.1 on toolchain try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing libcw-0.1.1
[INFO] finished frobbing libcw-0.1.1
[INFO] frobbed toml for libcw-0.1.1 written to work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/libcw/0.1.1/Cargo.toml
[INFO] started frobbing libcw-0.1.1
[INFO] finished frobbing libcw-0.1.1
[INFO] frobbed toml for libcw-0.1.1 written to work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/reg/libcw/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking libcw-0.1.1 against try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c for pr-57483
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57483/worker-0/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/reg/libcw/0.1.1:/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" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 100ec032b4bf1f4b7dfc80629fd651c373585b68c1d7c530206e7ee010b15295
[INFO] running `"docker" "start" "-a" "100ec032b4bf1f4b7dfc80629fd651c373585b68c1d7c530206e7ee010b15295"`
[INFO] [stderr]     Checking libcw v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[macro_use] extern crate lazy_static;
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/parser.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     Ok(())
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program_str`
[INFO] [stderr]    --> src/parser.rs:124:17
[INFO] [stderr]     |
[INFO] [stderr] 124 | fn lex_into<'a>(program_str: &'a str, buf: &'a mut Vec<Token>)
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: consider using `_program_str` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/parser.rs:124:39
[INFO] [stderr]     |
[INFO] [stderr] 124 | fn lex_into<'a>(program_str: &'a str, buf: &'a mut Vec<Token>)
[INFO] [stderr]     |                                       ^^^ help: consider using `_buf` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[macro_use] extern crate lazy_static;
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `store_pspace`
[INFO] [stderr]    --> src/simulation/mars.rs:628:5
[INFO] [stderr]     |
[INFO] [stderr] 628 |     fn store_pspace(&mut self, pin: Pin, addr: Address, value: Value)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `store_effective_a`
[INFO] [stderr]    --> src/simulation/mars.rs:644:5
[INFO] [stderr]     |
[INFO] [stderr] 644 |     fn store_effective_a(&mut self, instr: T)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fetch_pspace`
[INFO] [stderr]    --> src/simulation/mars.rs:675:5
[INFO] [stderr]     |
[INFO] [stderr] 675 |     fn fetch_pspace(&self, pin: Pin, addr: Address) -> Value
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/parser.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     Ok(())
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program_str`
[INFO] [stderr]    --> src/parser.rs:124:17
[INFO] [stderr]     |
[INFO] [stderr] 124 | fn lex_into<'a>(program_str: &'a str, buf: &'a mut Vec<Token>)
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: consider using `_program_str` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/parser.rs:124:39
[INFO] [stderr]     |
[INFO] [stderr] 124 | fn lex_into<'a>(program_str: &'a str, buf: &'a mut Vec<Token>)
[INFO] [stderr]     |                                       ^^^ help: consider using `_buf` instead
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `store_pspace`
[INFO] [stderr]    --> src/simulation/mars.rs:628:5
[INFO] [stderr]     |
[INFO] [stderr] 628 |     fn store_pspace(&mut self, pin: Pin, addr: Address, value: Value)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `store_effective_a`
[INFO] [stderr]    --> src/simulation/mars.rs:644:5
[INFO] [stderr]     |
[INFO] [stderr] 644 |     fn store_effective_a(&mut self, instr: T)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fetch_pspace`
[INFO] [stderr]    --> src/simulation/mars.rs:675:5
[INFO] [stderr]     |
[INFO] [stderr] 675 |     fn fetch_pspace(&self, pin: Pin, addr: Address) -> Value
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel
[INFO] [stderr]  --> benches/mars_benches.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `libcw`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "100ec032b4bf1f4b7dfc80629fd651c373585b68c1d7c530206e7ee010b15295"`
[INFO] running `"docker" "rm" "-f" "100ec032b4bf1f4b7dfc80629fd651c373585b68c1d7c530206e7ee010b15295"`
[INFO] [stdout] 100ec032b4bf1f4b7dfc80629fd651c373585b68c1d7c530206e7ee010b15295