[INFO] cloning repository https://github.com/slerpyyy/nerdle-bot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slerpyyy/nerdle-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslerpyyy%2Fnerdle-bot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslerpyyy%2Fnerdle-bot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 47e8842a361ae8d866cbd249b56c8f98dcb6c798 [INFO] checking slerpyyy/nerdle-bot against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslerpyyy%2Fnerdle-bot" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/slerpyyy/nerdle-bot on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/slerpyyy/nerdle-bot [INFO] finished tweaking git repo https://github.com/slerpyyy/nerdle-bot [INFO] tweaked toml for git repo https://github.com/slerpyyy/nerdle-bot written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/slerpyyy/nerdle-bot 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" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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_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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6aabfcdbec1cc6d7f4ff7b209b816b036e5fa2ad0853758492aec3351b88b4d1 [INFO] running `Command { std: "docker" "start" "-a" "6aabfcdbec1cc6d7f4ff7b209b816b036e5fa2ad0853758492aec3351b88b4d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6aabfcdbec1cc6d7f4ff7b209b816b036e5fa2ad0853758492aec3351b88b4d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6aabfcdbec1cc6d7f4ff7b209b816b036e5fa2ad0853758492aec3351b88b4d1", kill_on_drop: false }` [INFO] [stdout] 6aabfcdbec1cc6d7f4ff7b209b816b036e5fa2ad0853758492aec3351b88b4d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b73c42b2d956cf111adbbc552edce1da900b8ab00a346fedf3df99421d09e17b [INFO] running `Command { std: "docker" "start" "-a" "b73c42b2d956cf111adbbc552edce1da900b8ab00a346fedf3df99421d09e17b", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Compiling crossbeam-epoch v0.9.7 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking crossbeam-channel v0.5.2 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking ordered-float v2.10.0 [INFO] [stderr] Checking nerdle-bot v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0502]: cannot borrow `nerd` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/bot.rs:170:13 [INFO] [stdout] | [INFO] [stdout] 166 | while let Some((entropy, guess)) = nerd.request_guesses().next() { [INFO] [stdout] | ---------------------- [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | a temporary with access to the immutable borrow is created here ... [INFO] [stdout] ... [INFO] [stdout] 170 | nerd.register_guess(guess, hints); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 174 | } [INFO] [stdout] | - ... and the immutable borrow might be used here, when that temporary is dropped and runs the destructor for type `impl Iterator, word::Word<5>)>` [INFO] [stdout] | [INFO] [stdout] help: consider adding semicolon after the expression so its temporaries are dropped sooner, before the local variables declared by the block are dropped [INFO] [stdout] | [INFO] [stdout] 174 | }; [INFO] [stdout] | + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `nerd` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/bot.rs:188:13 [INFO] [stdout] | [INFO] [stdout] 184 | while let Some((_entropy, guess)) = nerd.request_guesses().next() { [INFO] [stdout] | ---------------------- [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | a temporary with access to the immutable borrow is created here ... [INFO] [stdout] ... [INFO] [stdout] 188 | nerd.register_guess(guess, hints); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 192 | } [INFO] [stdout] | - ... and the immutable borrow might be used here, when that temporary is dropped and runs the destructor for type `impl Iterator, word::Word<6>)>` [INFO] [stdout] | [INFO] [stdout] help: consider adding semicolon after the expression so its temporaries are dropped sooner, before the local variables declared by the block are dropped [INFO] [stdout] | [INFO] [stdout] 192 | }; [INFO] [stdout] | + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0502`. [INFO] [stdout] [INFO] [stderr] error: could not compile `nerdle-bot` (bin "nerdle-bot" test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "b73c42b2d956cf111adbbc552edce1da900b8ab00a346fedf3df99421d09e17b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b73c42b2d956cf111adbbc552edce1da900b8ab00a346fedf3df99421d09e17b", kill_on_drop: false }` [INFO] [stdout] b73c42b2d956cf111adbbc552edce1da900b8ab00a346fedf3df99421d09e17b