[INFO] fetching crate spreading_colors_ca 0.2.0...
[INFO] checking spreading_colors_ca-0.2.0 against master#f557a4fd462a779c92e4e8bd004426cf329efb30 for pr-111063-1
[INFO] extracting crate spreading_colors_ca 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate spreading_colors_ca 0.2.0 on toolchain f557a4fd462a779c92e4e8bd004426cf329efb30
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f557a4fd462a779c92e4e8bd004426cf329efb30" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spreading_colors_ca 0.2.0
[INFO] finished tweaking crates.io crate spreading_colors_ca 0.2.0
[INFO] tweaked toml for crates.io crate spreading_colors_ca 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate spreading_colors_ca 0.2.0 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" "+f557a4fd462a779c92e4e8bd004426cf329efb30" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+f557a4fd462a779c92e4e8bd004426cf329efb30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e98e9be3f84fd354be6fe7aace5b9ace513e17fbb172c788cdb2757d00b9ca06
[INFO] running `Command { std: "docker" "start" "-a" "e98e9be3f84fd354be6fe7aace5b9ace513e17fbb172c788cdb2757d00b9ca06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e98e9be3f84fd354be6fe7aace5b9ace513e17fbb172c788cdb2757d00b9ca06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e98e9be3f84fd354be6fe7aace5b9ace513e17fbb172c788cdb2757d00b9ca06", kill_on_drop: false }`
[INFO] [stdout] e98e9be3f84fd354be6fe7aace5b9ace513e17fbb172c788cdb2757d00b9ca06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+f557a4fd462a779c92e4e8bd004426cf329efb30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dd1e7df1e0748a37169b6e435e16f872d7c16d197d27a930cdad1de70c7e513
[INFO] running `Command { std: "docker" "start" "-a" "2dd1e7df1e0748a37169b6e435e16f872d7c16d197d27a930cdad1de70c7e513", kill_on_drop: false }`
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[INFO] [stderr]     Checking spreading_colors_ca v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `frametime` is never read
[INFO] [stdout]   --> src/main.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | struct Grid {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 94 |     frametime: Duration,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Grid` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `spread_message` is never used
[INFO] [stdout]    --> src/main.rs:135:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl Grid {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 135 |     fn spread_message(&self, y: usize, x: usize, new_y: usize, new_x: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `frametime` is never read
[INFO] [stdout]   --> src/main.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | struct Grid {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 94 |     frametime: Duration,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Grid` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `spread_message` is never used
[INFO] [stdout]    --> src/main.rs:135:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl Grid {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 135 |     fn spread_message(&self, y: usize, x: usize, new_y: usize, new_x: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.13s
[INFO] running `Command { std: "docker" "inspect" "2dd1e7df1e0748a37169b6e435e16f872d7c16d197d27a930cdad1de70c7e513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd1e7df1e0748a37169b6e435e16f872d7c16d197d27a930cdad1de70c7e513", kill_on_drop: false }`
[INFO] [stdout] 2dd1e7df1e0748a37169b6e435e16f872d7c16d197d27a930cdad1de70c7e513