[INFO] crate brainheck 0.1.8 is already in cache
[INFO] extracting crate brainheck 0.1.8 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/brainheck/0.1.8
[INFO] extracting crate brainheck 0.1.8 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/brainheck/0.1.8
[INFO] validating manifest of brainheck-0.1.8 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of brainheck-0.1.8 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing brainheck-0.1.8
[INFO] finished frobbing brainheck-0.1.8
[INFO] frobbed toml for brainheck-0.1.8 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/brainheck/0.1.8/Cargo.toml
[INFO] started frobbing brainheck-0.1.8
[INFO] finished frobbing brainheck-0.1.8
[INFO] frobbed toml for brainheck-0.1.8 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/brainheck/0.1.8/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking brainheck-0.1.8 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/brainheck/0.1.8:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 685480ff3b647bb5a5dd72896c5db26b18ebb4396a4b6adc7eeb0a9a9679cdb8
[INFO] running `"docker" "start" "-a" "685480ff3b647bb5a5dd72896c5db26b18ebb4396a4b6adc7eeb0a9a9679cdb8"`
[INFO] [stderr]     Checking brainheck v0.1.8 (/opt/crater/workdir)
[INFO] [stderr] error[E0507]: cannot move out of `helloworld_src`, a captured variable in an `FnMut` closure
[INFO] [stderr]   --> src/test.rs:21:25
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let mut helloworld_src = String::new();
[INFO] [stderr]    |         ------------------ captured outer variable
[INFO] [stderr] ...
[INFO] [stderr] 21 |     b.iter(|| brainheck(helloworld_src, fake_std_in));
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^ move occurs because `helloworld_src` has type `std::string::String`, which does not implement the `Copy` trait
[INFO] [stderr] 
[INFO] [stderr] error[E0507]: cannot move out of `fake_std_in`, a captured variable in an `FnMut` closure
[INFO] [stderr]   --> src/test.rs:21:41
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let fake_std_in = String::new();
[INFO] [stderr]    |         ----------- captured outer variable
[INFO] [stderr] 21 |     b.iter(|| brainheck(helloworld_src, fake_std_in));
[INFO] [stderr]    |                                         ^^^^^^^^^^^ move occurs because `fake_std_in` has type `std::string::String`, which does not implement the `Copy` trait
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0507`.
[INFO] [stderr] error: Could not compile `brainheck`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]   --> src/lib.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | #[macro_use] 
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "685480ff3b647bb5a5dd72896c5db26b18ebb4396a4b6adc7eeb0a9a9679cdb8"`
[INFO] running `"docker" "rm" "-f" "685480ff3b647bb5a5dd72896c5db26b18ebb4396a4b6adc7eeb0a9a9679cdb8"`
[INFO] [stdout] 685480ff3b647bb5a5dd72896c5db26b18ebb4396a4b6adc7eeb0a9a9679cdb8