[INFO] cloning repository https://github.com/XcaliberRage/guessing_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/XcaliberRage/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXcaliberRage%2Fguessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXcaliberRage%2Fguessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66750445b56f28d4aa2bd978b584b31bf3ad3474
[INFO] checking XcaliberRage/guessing_game against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXcaliberRage%2Fguessing_game" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/XcaliberRage/guessing_game
[INFO] finished tweaking git repo https://github.com/XcaliberRage/guessing_game
[INFO] tweaked toml for git repo https://github.com/XcaliberRage/guessing_game written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/XcaliberRage/guessing_game on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/XcaliberRage/guessing_game 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stdout] dfe6cd847957d439ee4bc6e0cc7243c3a7e78d9fdf70834c7fca82660424988d
[INFO] running `Command { std: "docker" "start" "-a" "dfe6cd847957d439ee4bc6e0cc7243c3a7e78d9fdf70834c7fca82660424988d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfe6cd847957d439ee4bc6e0cc7243c3a7e78d9fdf70834c7fca82660424988d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe6cd847957d439ee4bc6e0cc7243c3a7e78d9fdf70834c7fca82660424988d", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fdf988b2f8ee0aad6a13bbc0f1c6dd72c39cd4fb1f91ae59aa0c166a7e8b460
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[INFO] [stderr]    Compiling cargo-platform v0.1.1
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[INFO] [stderr]     Checking glutin v0.26.0
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[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::i32::MIN`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::i32::MIN;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::ops::Deref;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::i32::MIN`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::i32::MIN;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::ops::Deref;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:322:13
[INFO] [stdout]     |
[INFO] [stdout] 322 |             _ => {}
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:322:13
[INFO] [stdout]     |
[INFO] [stdout] 297 |             State::Guessing => {
[INFO] [stdout]     |             --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 307 |             State::Win => {
[INFO] [stdout]     |             ---------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 312 |             State::NewGame => {
[INFO] [stdout]     |             -------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 319 |             State::Settings => {
[INFO] [stdout]     |             --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 322 |             _ => {}
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:322:13
[INFO] [stdout]     |
[INFO] [stdout] 322 |             _ => {}
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:322:13
[INFO] [stdout]     |
[INFO] [stdout] 297 |             State::Guessing => {
[INFO] [stdout]     |             --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 307 |             State::Win => {
[INFO] [stdout]     |             ---------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 312 |             State::NewGame => {
[INFO] [stdout]     |             -------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 319 |             State::Settings => {
[INFO] [stdout]     |             --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 322 |             _ => {}
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:468:21
[INFO] [stdout]     |
[INFO] [stdout] 468 |                     _ => {}
[INFO] [stdout]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:468:21
[INFO] [stdout]     |
[INFO] [stdout] 462 |                     State::NewGame | State::Win => {
[INFO] [stdout]     |                     --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 465 |                     State::Settings | State::Guessing => {
[INFO] [stdout]     |                     --------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 468 |                     _ => {}
[INFO] [stdout]     |                     ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:468:21
[INFO] [stdout]     |
[INFO] [stdout] 468 |                     _ => {}
[INFO] [stdout]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:468:21
[INFO] [stdout]     |
[INFO] [stdout] 462 |                     State::NewGame | State::Win => {
[INFO] [stdout]     |                     --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 465 |                     State::Settings | State::Guessing => {
[INFO] [stdout]     |                     --------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 468 |                     _ => {}
[INFO] [stdout]     |                     ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:514:32
[INFO] [stdout]     |
[INFO] [stdout] 514 |             State::Guessing => self.guess.clone().parse().unwrap(),
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:515:27
[INFO] [stdout]     |
[INFO] [stdout] 515 |             State::Win => self.guess.clone().parse().unwrap(),
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:514:32
[INFO] [stdout]     |
[INFO] [stdout] 514 |             State::Guessing => self.guess.clone().parse().unwrap(),
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:515:27
[INFO] [stdout]     |
[INFO] [stdout] 515 |             State::Win => self.guess.clone().parse().unwrap(),
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `guessing_game` (bin "guessing_game" test) due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `guessing_game` (bin "guessing_game") due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7fdf988b2f8ee0aad6a13bbc0f1c6dd72c39cd4fb1f91ae59aa0c166a7e8b460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fdf988b2f8ee0aad6a13bbc0f1c6dd72c39cd4fb1f91ae59aa0c166a7e8b460", kill_on_drop: false }`
[INFO] [stdout] 7fdf988b2f8ee0aad6a13bbc0f1c6dd72c39cd4fb1f91ae59aa0c166a7e8b460
