[INFO] cloning repository https://github.com/ia7ck/monkey-compiler-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ia7ck/monkey-compiler-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fia7ck%2Fmonkey-compiler-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fia7ck%2Fmonkey-compiler-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 41104af1a2eff308a178532e9fb01c4f539dfc53 [INFO] building ia7ck/monkey-compiler-rs against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fia7ck%2Fmonkey-compiler-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ia7ck/monkey-compiler-rs on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ia7ck/monkey-compiler-rs [INFO] removed 0 missing examples [INFO] finished tweaking git repo https://github.com/ia7ck/monkey-compiler-rs [INFO] tweaked toml for git repo https://github.com/ia7ck/monkey-compiler-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ia7ck/monkey-compiler-rs 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1ed0985bfccb9bb98d1e0eaa2b0d026f2bd7b5ceaadb5c934c9fa1784ac13ee7 [INFO] running `Command { std: "docker" "start" "-a" "1ed0985bfccb9bb98d1e0eaa2b0d026f2bd7b5ceaadb5c934c9fa1784ac13ee7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ed0985bfccb9bb98d1e0eaa2b0d026f2bd7b5ceaadb5c934c9fa1784ac13ee7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ed0985bfccb9bb98d1e0eaa2b0d026f2bd7b5ceaadb5c934c9fa1784ac13ee7", kill_on_drop: false }` [INFO] [stdout] 1ed0985bfccb9bb98d1e0eaa2b0d026f2bd7b5ceaadb5c934c9fa1784ac13ee7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1052c55f5d4df268f01b3f342a3bada0416dcd482d8822802063bb81ea13541e [INFO] running `Command { std: "docker" "start" "-a" "1052c55f5d4df268f01b3f342a3bada0416dcd482d8822802063bb81ea13541e", kill_on_drop: false }` [INFO] [stderr] Compiling anyhow v1.0.38 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling monkey-compiler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/code.rs:81:19 [INFO] [stdout] | [INFO] [stdout] 81 | match lookup(self.0[i]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 87 | Err(err) => return writeln!(f, "ERROR: {:?}", err), [INFO] [stdout] | --- [INFO] [stdout] | | [INFO] [stdout] | `err` calls a custom destructor [INFO] [stdout] | `err` will be dropped later as of Edition 2024 [INFO] [stdout] 88 | } [INFO] [stdout] 89 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: `#1` invokes this custom destructor [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.38/src/error.rs:504:1 [INFO] [stdout] | [INFO] [stdout] 504 | impl Drop for Error { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: `err` invokes this custom destructor [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.38/src/error.rs:504:1 [INFO] [stdout] | [INFO] [stdout] 504 | impl Drop for Error { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `monkey-compiler` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "1052c55f5d4df268f01b3f342a3bada0416dcd482d8822802063bb81ea13541e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1052c55f5d4df268f01b3f342a3bada0416dcd482d8822802063bb81ea13541e", kill_on_drop: false }` [INFO] [stdout] 1052c55f5d4df268f01b3f342a3bada0416dcd482d8822802063bb81ea13541e