[INFO] cloning repository https://github.com/johnathan79717/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/johnathan79717/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnathan79717%2Fguessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnathan79717%2Fguessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b18e2595c46fd88aac1b694c0e8891eb7ddbfbd
[INFO] checking johnathan79717/guessing_game against 65b20a97de33e9e59992793a144aef2950c48c76 for pr-154715
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnathan79717%2Fguessing_game" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/johnathan79717/guessing_game
[INFO] finished tweaking git repo https://github.com/johnathan79717/guessing_game
[INFO] tweaked toml for git repo https://github.com/johnathan79717/guessing_game written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/johnathan79717/guessing_game on toolchain 65b20a97de33e9e59992793a144aef2950c48c76
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/johnathan79717/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" "+65b20a97de33e9e59992793a144aef2950c48c76" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `guessing_game` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.3.15
[INFO] [stderr]   Downloaded libc v0.2.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 00df41a0f44aedeafc3f2809819eff87bc14eadb63f750b457e322f06ea46823
[INFO] running `Command { std: "docker" "start" "00df41a0f44aedeafc3f2809819eff87bc14eadb63f750b457e322f06ea46823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00df41a0f44aedeafc3f2809819eff87bc14eadb63f750b457e322f06ea46823", 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" "00df41a0f44aedeafc3f2809819eff87bc14eadb63f750b457e322f06ea46823" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00df41a0f44aedeafc3f2809819eff87bc14eadb63f750b457e322f06ea46823", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "00df41a0f44aedeafc3f2809819eff87bc14eadb63f750b457e322f06ea46823" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `guessing_game` (manifest) generated 1 warning
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 34 |   match (a, b) {
[INFO] [stdout]    |         ------ this expression has type `(Option<&mut TreapNode<'a>>, Option<&mut TreapNode<'a>>)`
[INFO] [stdout] 35 |     (&mut None, b) => *b,
[INFO] [stdout]    |      ^^^^^^^^^ expected `Option<&mut TreapNode<'_>>`, found `&mut _`
[INFO] [stdout]    |
[INFO] [stdout]    = note:           expected enum `Option<&mut TreapNode<'a>>`
[INFO] [stdout]            found mutable reference `&mut _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |   match (a, b) {
[INFO] [stdout]    |         ------ this expression has type `(Option<&mut TreapNode<'a>>, Option<&mut TreapNode<'a>>)`
[INFO] [stdout] 35 |     (&mut None, b) => *b,
[INFO] [stdout] 36 |     (a, &mut None) => *a,
[INFO] [stdout]    |         ^^^^^^^^^ expected `Option<&mut TreapNode<'_>>`, found `&mut _`
[INFO] [stdout]    |
[INFO] [stdout]    = note:           expected enum `Option<&mut TreapNode<'a>>`
[INFO] [stdout]            found mutable reference `&mut _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:37:6
[INFO] [stdout]    |
[INFO] [stdout] 34 |   match (a, b) {
[INFO] [stdout]    |         ------ this expression has type `(Option<&mut TreapNode<'a>>, Option<&mut TreapNode<'a>>)`
[INFO] [stdout] ...
[INFO] [stdout] 37 |     (&mut Some(a), &mut Some(b)) => Some(a),
[INFO] [stdout]    |      ^^^^^^^^^^^^ expected `Option<&mut TreapNode<'_>>`, found `&mut _`
[INFO] [stdout]    |
[INFO] [stdout]    = note:           expected enum `Option<&mut TreapNode<'a>>`
[INFO] [stdout]            found mutable reference `&mut _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:37:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |   match (a, b) {
[INFO] [stdout]    |         ------ this expression has type `(Option<&mut TreapNode<'a>>, Option<&mut TreapNode<'a>>)`
[INFO] [stdout] ...
[INFO] [stdout] 37 |     (&mut Some(a), &mut Some(b)) => Some(a),
[INFO] [stdout]    |                    ^^^^^^^^^^^^ expected `Option<&mut TreapNode<'_>>`, found `&mut _`
[INFO] [stdout]    |
[INFO] [stdout]    = note:           expected enum `Option<&mut TreapNode<'a>>`
[INFO] [stdout]            found mutable reference `&mut _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `Option<&mut TreapNode<'a>>` cannot be dereferenced
[INFO] [stdout]   --> src/main.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |     (&mut None, b) => *b,
[INFO] [stdout]    |                       ^^ can't be dereferenced
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `Option<&mut TreapNode<'a>>` cannot be dereferenced
[INFO] [stdout]   --> src/main.rs:36:23
[INFO] [stdout]    |
[INFO] [stdout] 36 |     (a, &mut None) => *a,
[INFO] [stdout]    |                       ^^ can't be dereferenced
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let t = TreapNode::new(3);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0614.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `guessing_game` (bin "guessing_game") due to 6 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 34 |   match (a, b) {
[INFO] [stdout]    |         ------ this expression has type `(Option<&mut TreapNode<'a>>, Option<&mut TreapNode<'a>>)`
[INFO] [stdout] 35 |     (&mut None, b) => *b,
[INFO] [stdout]    |      ^^^^^^^^^ expected `Option<&mut TreapNode<'_>>`, found `&mut _`
[INFO] [stdout]    |
[INFO] [stdout]    = note:           expected enum `Option<&mut TreapNode<'a>>`
[INFO] [stdout]            found mutable reference `&mut _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |   match (a, b) {
[INFO] [stdout]    |         ------ this expression has type `(Option<&mut TreapNode<'a>>, Option<&mut TreapNode<'a>>)`
[INFO] [stdout] 35 |     (&mut None, b) => *b,
[INFO] [stdout] 36 |     (a, &mut None) => *a,
[INFO] [stdout]    |         ^^^^^^^^^ expected `Option<&mut TreapNode<'_>>`, found `&mut _`
[INFO] [stdout]    |
[INFO] [stdout]    = note:           expected enum `Option<&mut TreapNode<'a>>`
[INFO] [stdout]            found mutable reference `&mut _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:37:6
[INFO] [stdout]    |
[INFO] [stdout] 34 |   match (a, b) {
[INFO] [stdout]    |         ------ this expression has type `(Option<&mut TreapNode<'a>>, Option<&mut TreapNode<'a>>)`
[INFO] [stdout] ...
[INFO] [stdout] 37 |     (&mut Some(a), &mut Some(b)) => Some(a),
[INFO] [stdout]    |      ^^^^^^^^^^^^ expected `Option<&mut TreapNode<'_>>`, found `&mut _`
[INFO] [stdout]    |
[INFO] [stdout]    = note:           expected enum `Option<&mut TreapNode<'a>>`
[INFO] [stdout]            found mutable reference `&mut _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:37:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |   match (a, b) {
[INFO] [stdout]    |         ------ this expression has type `(Option<&mut TreapNode<'a>>, Option<&mut TreapNode<'a>>)`
[INFO] [stdout] ...
[INFO] [stdout] 37 |     (&mut Some(a), &mut Some(b)) => Some(a),
[INFO] [stdout]    |                    ^^^^^^^^^^^^ expected `Option<&mut TreapNode<'_>>`, found `&mut _`
[INFO] [stdout]    |
[INFO] [stdout]    = note:           expected enum `Option<&mut TreapNode<'a>>`
[INFO] [stdout]            found mutable reference `&mut _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `Option<&mut TreapNode<'a>>` cannot be dereferenced
[INFO] [stdout]   --> src/main.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |     (&mut None, b) => *b,
[INFO] [stdout]    |                       ^^ can't be dereferenced
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `Option<&mut TreapNode<'a>>` cannot be dereferenced
[INFO] [stdout]   --> src/main.rs:36:23
[INFO] [stdout]    |
[INFO] [stdout] 36 |     (a, &mut None) => *a,
[INFO] [stdout]    |                       ^^ can't be dereferenced
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let t = TreapNode::new(3);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0614.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `guessing_game` (bin "guessing_game" test) due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "00df41a0f44aedeafc3f2809819eff87bc14eadb63f750b457e322f06ea46823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00df41a0f44aedeafc3f2809819eff87bc14eadb63f750b457e322f06ea46823", kill_on_drop: false }`
[INFO] [stdout] 00df41a0f44aedeafc3f2809819eff87bc14eadb63f750b457e322f06ea46823
