[INFO] fetching crate wrchsahb_ki_guessing_game 0.1.0...
[INFO] testing wrchsahb_ki_guessing_game-0.1.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate wrchsahb_ki_guessing_game 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate wrchsahb_ki_guessing_game 0.1.0
[INFO] finished tweaking crates.io crate wrchsahb_ki_guessing_game 0.1.0
[INFO] tweaked toml for crates.io crate wrchsahb_ki_guessing_game 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wrchsahb_ki_guessing_game 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wrchsahb_ki_guessing_game 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.105
[INFO] [stderr]   Downloaded quote v1.0.43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e6ed37c098b3a4dd2d4a7f6552ec0531f06b49eb9428c7f3c8ee21ba57440cfa
[INFO] running `Command { std: "docker" "start" "e6ed37c098b3a4dd2d4a7f6552ec0531f06b49eb9428c7f3c8ee21ba57440cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6ed37c098b3a4dd2d4a7f6552ec0531f06b49eb9428c7f3c8ee21ba57440cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e6ed37c098b3a4dd2d4a7f6552ec0531f06b49eb9428c7f3c8ee21ba57440cfa" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6ed37c098b3a4dd2d4a7f6552ec0531f06b49eb9428c7f3c8ee21ba57440cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e6ed37c098b3a4dd2d4a7f6552ec0531f06b49eb9428c7f3c8ee21ba57440cfa" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling wrchsahb_ki_guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Guess` is never constructed
[INFO] [stdout]  --> src/guessing_game.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Guess {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `value` are never used
[INFO] [stdout]   --> src/guessing_game.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout]  5 | impl Guess {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout]  6 |     pub fn new(value: i32) -> Guess {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn value(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/main.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |             Result::Err(val) => panic!("we are crashing with the {} value", msg),
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let y: Result<String, u8> = Result::Err(100);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `Command { std: "docker" "inspect" "e6ed37c098b3a4dd2d4a7f6552ec0531f06b49eb9428c7f3c8ee21ba57440cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e6ed37c098b3a4dd2d4a7f6552ec0531f06b49eb9428c7f3c8ee21ba57440cfa" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling wrchsahb_ki_guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Guess` is never constructed
[INFO] [stdout]  --> src/guessing_game.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Guess {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `value` are never used
[INFO] [stdout]   --> src/guessing_game.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout]  5 | impl Guess {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout]  6 |     pub fn new(value: i32) -> Guess {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn value(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Guess` is never constructed
[INFO] [stdout]  --> src/guessing_game.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Guess {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `value` are never used
[INFO] [stdout]   --> src/guessing_game.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout]  5 | impl Guess {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout]  6 |     pub fn new(value: i32) -> Guess {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn value(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/main.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |             Result::Err(val) => panic!("we are crashing with the {} value", msg),
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let y: Result<String, u8> = Result::Err(100);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "e6ed37c098b3a4dd2d4a7f6552ec0531f06b49eb9428c7f3c8ee21ba57440cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e6ed37c098b3a4dd2d4a7f6552ec0531f06b49eb9428c7f3c8ee21ba57440cfa" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Guess` is never constructed
[INFO] [stderr]  --> src/guessing_game.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Guess {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `value` are never used
[INFO] [stderr]   --> src/guessing_game.rs:6:12
[INFO] [stderr]    |
[INFO] [stderr]  5 | impl Guess {
[INFO] [stderr]    | ---------- associated items in this implementation
[INFO] [stderr]  6 |     pub fn new(value: i32) -> Guess {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 14 |     pub fn value(&self) -> i32 {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `wrchsahb_ki_guessing_game` (lib) generated 2 warnings
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/main.rs:11:25
[INFO] [stderr]    |
[INFO] [stderr] 11 |             Result::Err(val) => panic!("we are crashing with the {} value", msg),
[INFO] [stderr]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/main.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let y: Result<String, u8> = Result::Err(100);
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: `wrchsahb_ki_guessing_game` (bin "wrchsahb_ki_guessing_game" test) generated 2 warnings (run `cargo fix --bin "wrchsahb_ki_guessing_game" -p wrchsahb_ki_guessing_game --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `wrchsahb_ki_guessing_game` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wrchsahb_ki_guessing_game-bfb5c1774e4ca90e)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/wrchsahb_ki_guessing_game-0b4b2bcc69d6f9fd)
[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] [stderr]    Doc-tests wrchsahb_ki_guessing_game
[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" "e6ed37c098b3a4dd2d4a7f6552ec0531f06b49eb9428c7f3c8ee21ba57440cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ed37c098b3a4dd2d4a7f6552ec0531f06b49eb9428c7f3c8ee21ba57440cfa", kill_on_drop: false }`
[INFO] [stdout] e6ed37c098b3a4dd2d4a7f6552ec0531f06b49eb9428c7f3c8ee21ba57440cfa
