[INFO] cloning repository https://github.com/dsocolobsky/vvdc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dsocolobsky/vvdc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsocolobsky%2Fvvdc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsocolobsky%2Fvvdc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5c8e6b87eb6121fd60c7792d0aa1f9b26bfbd9f1 [INFO] testing dsocolobsky/vvdc against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsocolobsky%2Fvvdc" "/workspace/builds/worker-83/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-83/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dsocolobsky/vvdc on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dsocolobsky/vvdc [INFO] finished tweaking git repo https://github.com/dsocolobsky/vvdc [INFO] tweaked toml for git repo https://github.com/dsocolobsky/vvdc written to /workspace/builds/worker-83/source/Cargo.toml [INFO] crate git repo https://github.com/dsocolobsky/vvdc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8b7213ef0fef70215650e104ad706cf23faf139c767c8ad571f4965d0935604d [INFO] running `Command { std: "docker" "start" "-a" "8b7213ef0fef70215650e104ad706cf23faf139c767c8ad571f4965d0935604d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8b7213ef0fef70215650e104ad706cf23faf139c767c8ad571f4965d0935604d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b7213ef0fef70215650e104ad706cf23faf139c767c8ad571f4965d0935604d", kill_on_drop: false }` [INFO] [stdout] 8b7213ef0fef70215650e104ad706cf23faf139c767c8ad571f4965d0935604d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bf85ccb4fd6e54f634f61a127d916a14f2c63862cd2df02ee45faa9f60957109 [INFO] running `Command { std: "docker" "start" "-a" "bf85ccb4fd6e54f634f61a127d916a14f2c63862cd2df02ee45faa9f60957109", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling vvdc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/codegen.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 18 | for expression in &self.expressions { [INFO] [stdout] | ----------------- [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | immutable borrow later used here [INFO] [stdout] 19 | self.emit_code_for_expression(&expression); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0502`. [INFO] [stdout] [INFO] [stderr] error: could not compile `vvdc` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "bf85ccb4fd6e54f634f61a127d916a14f2c63862cd2df02ee45faa9f60957109", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf85ccb4fd6e54f634f61a127d916a14f2c63862cd2df02ee45faa9f60957109", kill_on_drop: false }` [INFO] [stdout] bf85ccb4fd6e54f634f61a127d916a14f2c63862cd2df02ee45faa9f60957109