[INFO] cloning repository https://github.com/ndarilek/file_upload_error
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ndarilek/file_upload_error" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndarilek%2Ffile_upload_error"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndarilek%2Ffile_upload_error'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 69007d91e1281b29736400bc7164b7912f430886
[INFO] checking ndarilek/file_upload_error against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndarilek%2Ffile_upload_error" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ndarilek/file_upload_error on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ndarilek/file_upload_error
[INFO] finished tweaking git repo https://github.com/ndarilek/file_upload_error
[INFO] tweaked toml for git repo https://github.com/ndarilek/file_upload_error written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/ndarilek/file_upload_error already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ba1579949c1f8e3c30e65a9bc8d8f2bc6c9f136370d8bd3a353020a157191004
[INFO] running `"docker" "start" "-a" "ba1579949c1f8e3c30e65a9bc8d8f2bc6c9f136370d8bd3a353020a157191004"`
[INFO] [stderr]     Checking discard v1.0.3
[INFO] [stderr]    Compiling stdweb v0.4.7
[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]     Checking serde_json v1.0.22
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking failure v0.1.1
[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/rustwide/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 54.85s
[INFO] running `"docker" "inspect" "ba1579949c1f8e3c30e65a9bc8d8f2bc6c9f136370d8bd3a353020a157191004"`
[INFO] running `"docker" "rm" "-f" "ba1579949c1f8e3c30e65a9bc8d8f2bc6c9f136370d8bd3a353020a157191004"`
[INFO] [stdout] ba1579949c1f8e3c30e65a9bc8d8f2bc6c9f136370d8bd3a353020a157191004