[INFO] fetching crate leko-wordle-solver-example 0.1.0...
[INFO] testing leko-wordle-solver-example-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate leko-wordle-solver-example 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate leko-wordle-solver-example 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1/source/Cargo.toml
[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: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c3ad5a82b141536d1c937b675474a3a077052a633b2e14e9fc87484d1f22f512
[INFO] running `Command { std: "docker" "start" "-a" "c3ad5a82b141536d1c937b675474a3a077052a633b2e14e9fc87484d1f22f512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3ad5a82b141536d1c937b675474a3a077052a633b2e14e9fc87484d1f22f512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3ad5a82b141536d1c937b675474a3a077052a633b2e14e9fc87484d1f22f512", kill_on_drop: false }`
[INFO] [stdout] c3ad5a82b141536d1c937b675474a3a077052a633b2e14e9fc87484d1f22f512
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 26dd8be8e26209caf2090a6b0cd4505c221d4a44238d69db870d1ee3801b9285
[INFO] running `Command { std: "docker" "start" "-a" "26dd8be8e26209caf2090a6b0cd4505c221d4a44238d69db870d1ee3801b9285", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: field is never read: `word`
[INFO] [stdout]   --> main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     word: Vec<char>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `response`
[INFO] [stdout]   --> main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     response: Vec<Response>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "26dd8be8e26209caf2090a6b0cd4505c221d4a44238d69db870d1ee3801b9285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26dd8be8e26209caf2090a6b0cd4505c221d4a44238d69db870d1ee3801b9285", kill_on_drop: false }`
[INFO] [stdout] 26dd8be8e26209caf2090a6b0cd4505c221d4a44238d69db870d1ee3801b9285
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cadcbdbd1bd1bbd1c99d751813f87cc47f9c001f1adc0a5c1734acb28db6ad55
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cadcbdbd1bd1bbd1c99d751813f87cc47f9c001f1adc0a5c1734acb28db6ad55", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: field is never read: `word`
[INFO] [stdout]   --> main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     word: Vec<char>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `response`
[INFO] [stdout]   --> main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     response: Vec<Response>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "cadcbdbd1bd1bbd1c99d751813f87cc47f9c001f1adc0a5c1734acb28db6ad55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cadcbdbd1bd1bbd1c99d751813f87cc47f9c001f1adc0a5c1734acb28db6ad55", kill_on_drop: false }`
[INFO] [stdout] cadcbdbd1bd1bbd1c99d751813f87cc47f9c001f1adc0a5c1734acb28db6ad55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 396d97e79841c6955de2b54b7a6b8ca52610742763256f7c4561ed972338aa8f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "396d97e79841c6955de2b54b7a6b8ca52610742763256f7c4561ed972338aa8f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `history`
[INFO] [stderr]   --> main.rs:16:10
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn guess(history: &Vec<History>) -> &'static str {
[INFO] [stderr]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_history`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `word`
[INFO] [stderr]   --> main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     word: Vec<char>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `response`
[INFO] [stderr]   --> main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     response: Vec<Response>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `leko-wordle-solver-example` (bin "wordle-solver" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wordle_solver-c18e28d9af5ee5be)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "396d97e79841c6955de2b54b7a6b8ca52610742763256f7c4561ed972338aa8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "396d97e79841c6955de2b54b7a6b8ca52610742763256f7c4561ed972338aa8f", kill_on_drop: false }`
[INFO] [stdout] 396d97e79841c6955de2b54b7a6b8ca52610742763256f7c4561ed972338aa8f