[INFO] cloning repository https://github.com/ShaunKarran/cab403-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShaunKarran/cab403-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShaunKarran%2Fcab403-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShaunKarran%2Fcab403-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b2d984ec05b6180360b84870ed5bfebad85607f
[INFO] checking ShaunKarran/cab403-rs against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShaunKarran%2Fcab403-rs" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ShaunKarran/cab403-rs on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ShaunKarran/cab403-rs
[INFO] finished tweaking git repo https://github.com/ShaunKarran/cab403-rs
[INFO] tweaked toml for git repo https://github.com/ShaunKarran/cab403-rs written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ShaunKarran/cab403-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c89fca65744c7e056726e8549c2e1e255ce0f208cdbda62d64c5f50a56c29224
[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" "c89fca65744c7e056726e8549c2e1e255ce0f208cdbda62d64c5f50a56c29224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c89fca65744c7e056726e8549c2e1e255ce0f208cdbda62d64c5f50a56c29224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c89fca65744c7e056726e8549c2e1e255ce0f208cdbda62d64c5f50a56c29224", kill_on_drop: false }`
[INFO] [stdout] c89fca65744c7e056726e8549c2e1e255ce0f208cdbda62d64c5f50a56c29224
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b39573d3cb99c6a3cdb6ee20fce4fc686aa4fbd0396d447939e856ac69ec2882
[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" "b39573d3cb99c6a3cdb6ee20fce4fc686aa4fbd0396d447939e856ac69ec2882", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking threadpool v1.7.0
[INFO] [stderr]     Checking simplelog v0.4.2
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.15
[INFO] [stderr]     Checking bincode v0.9.2
[INFO] [stderr]     Checking cab403-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::Game`
[INFO] [stdout]   --> src/hangman.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     use super::Game;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `word_set`
[INFO] [stdout]   --> src/hangman.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn select_word(word_set: HashSet<String>) -> String {
[INFO] [stdout]    |                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_word_set`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `word_set`
[INFO] [stdout]   --> src/hangman.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn select_word(word_set: HashSet<String>) -> String {
[INFO] [stdout]    |                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_word_set`
[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]  --> src/hangman.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     word: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `word_character_set`
[INFO] [stdout]  --> src/hangman.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     word_character_set: HashSet<char>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `number_allowed_guesses`
[INFO] [stdout]  --> src/hangman.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     number_allowed_guesses: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `word`
[INFO] [stdout]  --> src/hangman.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     word: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `word_character_set`
[INFO] [stdout]  --> src/hangman.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     word_character_set: HashSet<char>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `number_allowed_guesses`
[INFO] [stdout]  --> src/hangman.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     number_allowed_guesses: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ServerMessage`, `State`
[INFO] [stdout]   --> src/bin/server.rs:19:50
[INFO] [stdout]    |
[INFO] [stdout] 19 | use cab403_rs::communication::{Command, Message, ServerMessage, Selection, State, encode_and_write, read_and_decode};
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ServerMessage`, `State`
[INFO] [stdout]   --> src/bin/server.rs:19:50
[INFO] [stdout]    |
[INFO] [stdout] 19 | use cab403_rs::communication::{Command, Message, ServerMessage, Selection, State, encode_and_write, read_and_decode};
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.78s
[INFO] running `Command { std: "docker" "inspect" "b39573d3cb99c6a3cdb6ee20fce4fc686aa4fbd0396d447939e856ac69ec2882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b39573d3cb99c6a3cdb6ee20fce4fc686aa4fbd0396d447939e856ac69ec2882", kill_on_drop: false }`
[INFO] [stdout] b39573d3cb99c6a3cdb6ee20fce4fc686aa4fbd0396d447939e856ac69ec2882