[INFO] cloning repository https://github.com/firejake308/mist-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/firejake308/mist-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirejake308%2Fmist-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirejake308%2Fmist-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2563e27f9e4ae0f7e1592135c408317357f75bdd
[INFO] checking firejake308/mist-rs against master#542febd2d383b5082277c7d165b098c0a3b513f6 for pr-103293
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffirejake308%2Fmist-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/firejake308/mist-rs on toolchain 542febd2d383b5082277c7d165b098c0a3b513f6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+542febd2d383b5082277c7d165b098c0a3b513f6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/firejake308/mist-rs
[INFO] finished tweaking git repo https://github.com/firejake308/mist-rs
[INFO] tweaked toml for git repo https://github.com/firejake308/mist-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/firejake308/mist-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+542febd2d383b5082277c7d165b098c0a3b513f6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded conrod_derive v0.1.2
[INFO] [stderr]   Downloaded rusttype v0.2.4
[INFO] [stderr]   Downloaded glium v0.17.1
[INFO] [stderr]   Downloaded conrod v0.55.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+542febd2d383b5082277c7d165b098c0a3b513f6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bee832270968b11b2ca3038fdd06f3cb522df242381a245c3972625eb6b5d062
[INFO] running `Command { std: "docker" "start" "-a" "bee832270968b11b2ca3038fdd06f3cb522df242381a245c3972625eb6b5d062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bee832270968b11b2ca3038fdd06f3cb522df242381a245c3972625eb6b5d062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bee832270968b11b2ca3038fdd06f3cb522df242381a245c3972625eb6b5d062", kill_on_drop: false }`
[INFO] [stdout] bee832270968b11b2ca3038fdd06f3cb522df242381a245c3972625eb6b5d062
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+542febd2d383b5082277c7d165b098c0a3b513f6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c01208702c3bd35437585c11d2e3ac5c24141618a68918af2855f26d2305252
[INFO] running `Command { std: "docker" "start" "-a" "8c01208702c3bd35437585c11d2e3ac5c24141618a68918af2855f26d2305252", kill_on_drop: false }`
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[INFO] [stderr]     Checking backtrace v0.3.56
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[INFO] [stderr]     Checking pistoncore-input v0.19.0
[INFO] [stderr]    Compiling libloading v0.3.4
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[INFO] [stderr]     Checking conrod v0.55.1
[INFO] [stderr]     Checking mist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/main.rs:72:25
[INFO] [stdout]    |
[INFO] [stdout] 72 |               for edit in widget::TextEdit::new(&editable_text)
[INFO] [stdout]    |  _________________________^
[INFO] [stdout] 73 | |                 .align_bottom_of(ui_cell.window)
[INFO] [stdout] 74 | |                 .color(conrod::color::BLACK)
[INFO] [stdout] 75 | |                 .font_size(16)
[INFO] [stdout] 76 | |                 .set(ids.text_box, ui_cell) {
[INFO] [stdout]    | |___________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 72 |             while let Some(edit) = widget::TextEdit::new(&editable_text)
[INFO] [stdout]    |             ~~~~~~~~~~~~~~~    ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 72 |             if let Some(edit) = widget::TextEdit::new(&editable_text)
[INFO] [stdout]    |             ~~~~~~~~~~~~    ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/main.rs:72:25
[INFO] [stdout]    |
[INFO] [stdout] 72 |               for edit in widget::TextEdit::new(&editable_text)
[INFO] [stdout]    |  _________________________^
[INFO] [stdout] 73 | |                 .align_bottom_of(ui_cell.window)
[INFO] [stdout] 74 | |                 .color(conrod::color::BLACK)
[INFO] [stdout] 75 | |                 .font_size(16)
[INFO] [stdout] 76 | |                 .set(ids.text_box, ui_cell) {
[INFO] [stdout]    | |___________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 72 |             while let Some(edit) = widget::TextEdit::new(&editable_text)
[INFO] [stdout]    |             ~~~~~~~~~~~~~~~    ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 72 |             if let Some(edit) = widget::TextEdit::new(&editable_text)
[INFO] [stdout]    |             ~~~~~~~~~~~~    ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.21s
[INFO] running `Command { std: "docker" "inspect" "8c01208702c3bd35437585c11d2e3ac5c24141618a68918af2855f26d2305252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c01208702c3bd35437585c11d2e3ac5c24141618a68918af2855f26d2305252", kill_on_drop: false }`
[INFO] [stdout] 8c01208702c3bd35437585c11d2e3ac5c24141618a68918af2855f26d2305252