[INFO] fetching crate leko-wordle-solver-example 0.1.0...
[INFO] checking leko-wordle-solver-example-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate leko-wordle-solver-example 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate leko-wordle-solver-example 0.1.0
[INFO] finished tweaking crates.io crate leko-wordle-solver-example 0.1.0
[INFO] tweaked toml for crates.io crate leko-wordle-solver-example 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate leko-wordle-solver-example 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate leko-wordle-solver-example 0.1.0 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3162492e90f7f0ded9b00674889c3e343f59eeef4a206ce35af363fb32f313b
[INFO] running `Command { std: "docker" "start" "-a" "f3162492e90f7f0ded9b00674889c3e343f59eeef4a206ce35af363fb32f313b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3162492e90f7f0ded9b00674889c3e343f59eeef4a206ce35af363fb32f313b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3162492e90f7f0ded9b00674889c3e343f59eeef4a206ce35af363fb32f313b", kill_on_drop: false }`
[INFO] [stdout] f3162492e90f7f0ded9b00674889c3e343f59eeef4a206ce35af363fb32f313b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b79d00273fccde1c579dfba23e741bfbfd53185164599d3558fb20caa75d163
[INFO] running `Command { std: "docker" "start" "-a" "6b79d00273fccde1c579dfba23e741bfbfd53185164599d3558fb20caa75d163", kill_on_drop: false }`
[INFO] [stderr]     Checking leko-wordle-solver-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `history`
[INFO] [stdout]   --> main.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn guess(history: &Vec<History>) -> &'static str {
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_history`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `word` and `response` are never read
[INFO] [stdout]   --> main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct History {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 12 |     word: Vec<char>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     response: Vec<Response>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `History` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `history`
[INFO] [stdout]   --> main.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn guess(history: &Vec<History>) -> &'static str {
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_history`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `word` and `response` are never read
[INFO] [stdout]   --> main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct History {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 12 |     word: Vec<char>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     response: Vec<Response>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `History` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "6b79d00273fccde1c579dfba23e741bfbfd53185164599d3558fb20caa75d163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b79d00273fccde1c579dfba23e741bfbfd53185164599d3558fb20caa75d163", kill_on_drop: false }`
[INFO] [stdout] 6b79d00273fccde1c579dfba23e741bfbfd53185164599d3558fb20caa75d163