[INFO] cloning repository ndarilek/file_upload_error
[INFO] running `"git" "clone" "--bare" "git://github.com/ndarilek/file_upload_error.git" "work/cache/sources/gh/ndarilek/file_upload_error"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/ndarilek/file_upload_error'...
[INFO] running `"git" "clone" "work/cache/sources/gh/ndarilek/file_upload_error" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/ndarilek/file_upload_error"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/ndarilek/file_upload_error'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ndarilek/file_upload_error" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/ndarilek/file_upload_error"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/ndarilek/file_upload_error'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 69007d91e1281b29736400bc7164b7912f430886
[INFO] sha for GitHub repo ndarilek/file_upload_error: 69007d91e1281b29736400bc7164b7912f430886
[INFO] validating manifest of ndarilek/file_upload_error on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ndarilek/file_upload_error on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ndarilek/file_upload_error
[INFO] finished frobbing ndarilek/file_upload_error
[INFO] frobbed toml for ndarilek/file_upload_error written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/ndarilek/file_upload_error/Cargo.toml
[INFO] started frobbing ndarilek/file_upload_error
[INFO] finished frobbing ndarilek/file_upload_error
[INFO] frobbed toml for ndarilek/file_upload_error written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/ndarilek/file_upload_error/Cargo.toml
[INFO] crate ndarilek/file_upload_error already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ndarilek/file_upload_error against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-0/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/ndarilek/file_upload_error:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 47534e91d3c71b9bb6fd216840071a6d66febb00fd06afa0e71c962b8d891740
[INFO] running `"docker" "start" "-a" "47534e91d3c71b9bb6fd216840071a6d66febb00fd06afa0e71c962b8d891740"`
[INFO] [stderr]    Compiling stdweb v0.4.7
[INFO] [stderr]     Checking discard v1.0.3
[INFO] [stderr]    Compiling stdweb v0.4.7 (https://github.com/koute/stdweb#85a191fb)
[INFO] [stderr]    Compiling serde v1.0.69
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling serde_derive v1.0.69
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]    Compiling stdweb-derive v0.4.0
[INFO] [stderr]    Compiling stdweb-derive v0.4.0 (https://github.com/koute/stdweb#85a191fb)
[INFO] [stderr]     Checking yew v0.5.0 (https://github.com/DenisKolodin/yew#4e3022ea)
[INFO] [stderr]     Checking file_upload_error v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:61:21
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 let mut upload = Arc::new(RefCell::new(File::create(fh).expect("Failed to create file for upload")));
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:61:21
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 let mut upload = Arc::new(RefCell::new(File::create(fh).expect("Failed to create file for upload")));
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `"docker" "inspect" "47534e91d3c71b9bb6fd216840071a6d66febb00fd06afa0e71c962b8d891740"`
[INFO] running `"docker" "rm" "-f" "47534e91d3c71b9bb6fd216840071a6d66febb00fd06afa0e71c962b8d891740"`
[INFO] [stdout] 47534e91d3c71b9bb6fd216840071a6d66febb00fd06afa0e71c962b8d891740