[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 try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnathan79717%2Fguessing_game" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/johnathan79717/guessing_game on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-7/source/Cargo.toml [INFO] crate git repo https://github.com/johnathan79717/guessing_game already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7be9b3ab86ef7c0746fbcd6c16b4997a119db3638e264e1136ae2941f309926b [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" "7be9b3ab86ef7c0746fbcd6c16b4997a119db3638e264e1136ae2941f309926b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7be9b3ab86ef7c0746fbcd6c16b4997a119db3638e264e1136ae2941f309926b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7be9b3ab86ef7c0746fbcd6c16b4997a119db3638e264e1136ae2941f309926b", kill_on_drop: false }` [INFO] [stdout] 7be9b3ab86ef7c0746fbcd6c16b4997a119db3638e264e1136ae2941f309926b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3b8bb4b375fc52d715679f2f0097f163c8e023ef1c2a3db4e1154e77f98f3449 [INFO] running `Command { std: "docker" "start" "-a" "3b8bb4b375fc52d715679f2f0097f163c8e023ef1c2a3db4e1154e77f98f3449", kill_on_drop: false }` [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 enum `Option`, 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 enum `Option`, 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 enum `Option`, 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 enum `Option`, 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] | ^^ [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] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors [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` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [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 enum `Option`, 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 enum `Option`, 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 enum `Option`, 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 enum `Option`, 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] | ^^ [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] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors [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: build failed [INFO] running `Command { std: "docker" "inspect" "3b8bb4b375fc52d715679f2f0097f163c8e023ef1c2a3db4e1154e77f98f3449", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b8bb4b375fc52d715679f2f0097f163c8e023ef1c2a3db4e1154e77f98f3449", kill_on_drop: false }` [INFO] [stdout] 3b8bb4b375fc52d715679f2f0097f163c8e023ef1c2a3db4e1154e77f98f3449