[INFO] cloning repository https://github.com/CodebyCR/Hangwoman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CodebyCR/Hangwoman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodebyCR%2FHangwoman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodebyCR%2FHangwoman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b179bcdc3402c5ce8a99361382eb2db95c795d17
[INFO] building CodebyCR/Hangwoman against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodebyCR%2FHangwoman" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CodebyCR/Hangwoman on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CodebyCR/Hangwoman
[INFO] finished tweaking git repo https://github.com/CodebyCR/Hangwoman
[INFO] tweaked toml for git repo https://github.com/CodebyCR/Hangwoman written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CodebyCR/Hangwoman 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a1e19c79e6fac4ea1efbf9050c2d2ca4a76f3306e9c8464b2b9a140dcb7a8cc
[INFO] running `Command { std: "docker" "start" "-a" "9a1e19c79e6fac4ea1efbf9050c2d2ca4a76f3306e9c8464b2b9a140dcb7a8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a1e19c79e6fac4ea1efbf9050c2d2ca4a76f3306e9c8464b2b9a140dcb7a8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a1e19c79e6fac4ea1efbf9050c2d2ca4a76f3306e9c8464b2b9a140dcb7a8cc", kill_on_drop: false }`
[INFO] [stdout] 9a1e19c79e6fac4ea1efbf9050c2d2ca4a76f3306e9c8464b2b9a140dcb7a8cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46a8ee4fe80e2c46d0a3bfc05e917d5edd50b94f74421f4c00ae5168c4012a53
[INFO] running `Command { std: "docker" "start" "-a" "46a8ee4fe80e2c46d0a3bfc05e917d5edd50b94f74421f4c00ae5168c4012a53", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling Hangwoman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `difficulty`
[INFO] [stdout]   --> src/language.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Language::German { difficulty } => Self::get_german_word_list(),
[INFO] [stdout]    |                                ^^^^^^^^^^ help: try ignoring the field: `difficulty: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `difficulty`
[INFO] [stdout]   --> src/language.rs:25:33
[INFO] [stdout]    |
[INFO] [stdout] 25 |             Language::English { difficulty } => Self::get_english_word_list(),
[INFO] [stdout]    |                                 ^^^^^^^^^^ help: try ignoring the field: `difficulty: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `German` is never constructed
[INFO] [stdout]  --> src/language.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Language {
[INFO] [stdout]   |          -------- variant in this enum
[INFO] [stdout] 5 |     German { difficulty: u8 },
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Language` has a derived impl for the trait `Clone`, 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: field `language` is never read
[INFO] [stdout]  --> src/model/hangman_game.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct HangmanGame {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 5 |     pub(crate)
[INFO] [stdout] 6 |     language: Language,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "46a8ee4fe80e2c46d0a3bfc05e917d5edd50b94f74421f4c00ae5168c4012a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46a8ee4fe80e2c46d0a3bfc05e917d5edd50b94f74421f4c00ae5168c4012a53", kill_on_drop: false }`
[INFO] [stdout] 46a8ee4fe80e2c46d0a3bfc05e917d5edd50b94f74421f4c00ae5168c4012a53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0171638d474286b9f2d20d0af13a5c2bcb0c4eaf460b9bb20de09e6072a8c2db
[INFO] running `Command { std: "docker" "start" "-a" "0171638d474286b9f2d20d0af13a5c2bcb0c4eaf460b9bb20de09e6072a8c2db", kill_on_drop: false }`
[INFO] [stderr]    Compiling Hangwoman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `difficulty`
[INFO] [stdout]   --> src/language.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Language::German { difficulty } => Self::get_german_word_list(),
[INFO] [stdout]    |                                ^^^^^^^^^^ help: try ignoring the field: `difficulty: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `difficulty`
[INFO] [stdout]   --> src/language.rs:25:33
[INFO] [stdout]    |
[INFO] [stdout] 25 |             Language::English { difficulty } => Self::get_english_word_list(),
[INFO] [stdout]    |                                 ^^^^^^^^^^ help: try ignoring the field: `difficulty: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `German` is never constructed
[INFO] [stdout]  --> src/language.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Language {
[INFO] [stdout]   |          -------- variant in this enum
[INFO] [stdout] 5 |     German { difficulty: u8 },
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Language` has a derived impl for the trait `Clone`, 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: field `language` is never read
[INFO] [stdout]  --> src/model/hangman_game.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct HangmanGame {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 5 |     pub(crate)
[INFO] [stdout] 6 |     language: Language,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "0171638d474286b9f2d20d0af13a5c2bcb0c4eaf460b9bb20de09e6072a8c2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0171638d474286b9f2d20d0af13a5c2bcb0c4eaf460b9bb20de09e6072a8c2db", kill_on_drop: false }`
[INFO] [stdout] 0171638d474286b9f2d20d0af13a5c2bcb0c4eaf460b9bb20de09e6072a8c2db