[INFO] cloning repository https://github.com/Fr0benius/advent2021 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fr0benius/advent2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFr0benius%2Fadvent2021", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFr0benius%2Fadvent2021'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6c4413c4d52a9e5cf6270a2975985fec66c9e768 [INFO] checking Fr0benius/advent2021 against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFr0benius%2Fadvent2021" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Fr0benius/advent2021 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/Fr0benius/advent2021 [INFO] finished tweaking git repo https://github.com/Fr0benius/advent2021 [INFO] tweaked toml for git repo https://github.com/Fr0benius/advent2021 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Fr0benius/advent2021 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 219eb51f82047c9a320e5714a9cbe21b6d3039f4ea1bf4964cd2383c77e59011 [INFO] running `Command { std: "docker" "start" "-a" "219eb51f82047c9a320e5714a9cbe21b6d3039f4ea1bf4964cd2383c77e59011", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "219eb51f82047c9a320e5714a9cbe21b6d3039f4ea1bf4964cd2383c77e59011", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "219eb51f82047c9a320e5714a9cbe21b6d3039f4ea1bf4964cd2383c77e59011", kill_on_drop: false }` [INFO] [stdout] 219eb51f82047c9a320e5714a9cbe21b6d3039f4ea1bf4964cd2383c77e59011 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e0f4378442a307e465cd8231614974f09ef7c4d6c6cc3d584f1f4cc89cd4f5ad [INFO] running `Command { std: "docker" "start" "-a" "e0f4378442a307e465cd8231614974f09ef7c4d6c6cc3d584f1f4cc89cd4f5ad", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking advent2021 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0502]: cannot borrow `sets` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/day19.rs:27:25 [INFO] [stdout] | [INFO] [stdout] 24 | for s in rot_set(&sets[k]) { [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] 27 | sets.swap(i, k); [INFO] [stdout] | ^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 32 | } [INFO] [stdout] | - ... and the immutable borrow might be used here, when that temporary is dropped and runs the destructor for type `impl Iterator>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `sets` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/day19.rs:28:25 [INFO] [stdout] | [INFO] [stdout] 24 | for s in rot_set(&sets[k]) { [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] 28 | sets[i] = fit; [INFO] [stdout] | ^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 32 | } [INFO] [stdout] | - ... and the immutable borrow might be used here, when that temporary is dropped and runs the destructor for type `impl Iterator>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `sets` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/day19.rs:59:25 [INFO] [stdout] | [INFO] [stdout] 56 | for s in rot_set(&sets[k]) { [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] 59 | sets.swap(i, k); [INFO] [stdout] | ^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 64 | } [INFO] [stdout] | - ... and the immutable borrow might be used here, when that temporary is dropped and runs the destructor for type `impl Iterator>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `sets` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/day19.rs:60:25 [INFO] [stdout] | [INFO] [stdout] 56 | for s in rot_set(&sets[k]) { [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] 60 | sets[i] = fit; [INFO] [stdout] | ^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 64 | } [INFO] [stdout] | - ... and the immutable borrow might be used here, when that temporary is dropped and runs the destructor for type `impl Iterator>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `sets` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/day19.rs:27:25 [INFO] [stdout] | [INFO] [stdout] 24 | for s in rot_set(&sets[k]) { [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] 27 | sets.swap(i, k); [INFO] [stdout] | ^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 32 | } [INFO] [stdout] | - ... and the immutable borrow might be used here, when that temporary is dropped and runs the destructor for type `impl Iterator>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `sets` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/day19.rs:28:25 [INFO] [stdout] | [INFO] [stdout] 24 | for s in rot_set(&sets[k]) { [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] 28 | sets[i] = fit; [INFO] [stdout] | ^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 32 | } [INFO] [stdout] | - ... and the immutable borrow might be used here, when that temporary is dropped and runs the destructor for type `impl Iterator>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `sets` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/day19.rs:59:25 [INFO] [stdout] | [INFO] [stdout] 56 | for s in rot_set(&sets[k]) { [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] 59 | sets.swap(i, k); [INFO] [stdout] | ^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 64 | } [INFO] [stdout] | - ... and the immutable borrow might be used here, when that temporary is dropped and runs the destructor for type `impl Iterator>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `sets` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/day19.rs:60:25 [INFO] [stdout] | [INFO] [stdout] 56 | for s in rot_set(&sets[k]) { [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] 60 | sets[i] = fit; [INFO] [stdout] | ^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 64 | } [INFO] [stdout] | - ... and the immutable borrow might be used here, when that temporary is dropped and runs the destructor for type `impl Iterator>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 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 `advent2021` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 4 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 `advent2021` (lib test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "e0f4378442a307e465cd8231614974f09ef7c4d6c6cc3d584f1f4cc89cd4f5ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0f4378442a307e465cd8231614974f09ef7c4d6c6cc3d584f1f4cc89cd4f5ad", kill_on_drop: false }` [INFO] [stdout] e0f4378442a307e465cd8231614974f09ef7c4d6c6cc3d584f1f4cc89cd4f5ad