[INFO] fetching crate mudrs-milk 0.0.1...
[INFO] checking mudrs-milk-0.0.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate mudrs-milk 0.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mudrs-milk 0.0.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mudrs-milk 0.0.1
[INFO] finished tweaking crates.io crate mudrs-milk 0.0.1
[INFO] tweaked toml for crates.io crate mudrs-milk 0.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate mudrs-milk 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9ae12d830a32b3fbad2446fe050f328e553912785b664ee140c687d1fc23fc7
[INFO] running `Command { std: "docker" "start" "-a" "b9ae12d830a32b3fbad2446fe050f328e553912785b664ee140c687d1fc23fc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9ae12d830a32b3fbad2446fe050f328e553912785b664ee140c687d1fc23fc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9ae12d830a32b3fbad2446fe050f328e553912785b664ee140c687d1fc23fc7", kill_on_drop: false }`
[INFO] [stdout] b9ae12d830a32b3fbad2446fe050f328e553912785b664ee140c687d1fc23fc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12d818116b90b13362db041db7fa4dc104ceea150c898ff42854f99135da0e59
[INFO] running `Command { std: "docker" "start" "-a" "12d818116b90b13362db041db7fa4dc104ceea150c898ff42854f99135da0e59", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tokio-macros v1.7.0
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[INFO] [stderr]     Checking num_enum v0.5.6
[INFO] [stderr]     Checking tracing-appender v0.2.0
[INFO] [stderr]    Compiling mudrs-milk v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
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[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> src/widget/scrollback.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     debug,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> src/widget/scrollback.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     debug,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bindings` is never read
[INFO] [stdout]  --> src/keybinding.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct KeyBinder {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 5 |     bindings: HashMap<KeyEvent, Box<dyn FnMut()>>,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NopWriter` is never constructed
[INFO] [stdout]   --> src/widget/ansi.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | struct NopWriter;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bindings` is never read
[INFO] [stdout]  --> src/keybinding.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct KeyBinder {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 5 |     bindings: HashMap<KeyEvent, Box<dyn FnMut()>>,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NopWriter` is never constructed
[INFO] [stdout]   --> src/widget/ansi.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | struct NopWriter;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.74s
[INFO] running `Command { std: "docker" "inspect" "12d818116b90b13362db041db7fa4dc104ceea150c898ff42854f99135da0e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d818116b90b13362db041db7fa4dc104ceea150c898ff42854f99135da0e59", kill_on_drop: false }`
[INFO] [stdout] 12d818116b90b13362db041db7fa4dc104ceea150c898ff42854f99135da0e59