[INFO] fetching crate conftaal 0.1.1... [INFO] testing conftaal-0.1.1 against 1.60.0 for beta-1.61-1 [INFO] extracting crate conftaal 0.1.1 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate conftaal 0.1.1 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate conftaal 0.1.1 [INFO] finished tweaking crates.io crate conftaal 0.1.1 [INFO] tweaked toml for crates.io crate conftaal 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", 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] 98de181a2f5a3ec08f54e51843c0feb3945c740dc856bbaf6adfcefc6ed27c75 [INFO] running `Command { std: "docker" "start" "-a" "98de181a2f5a3ec08f54e51843c0feb3945c740dc856bbaf6adfcefc6ed27c75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "98de181a2f5a3ec08f54e51843c0feb3945c740dc856bbaf6adfcefc6ed27c75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98de181a2f5a3ec08f54e51843c0feb3945c740dc856bbaf6adfcefc6ed27c75", kill_on_drop: false }` [INFO] [stdout] 98de181a2f5a3ec08f54e51843c0feb3945c740dc856bbaf6adfcefc6ed27c75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--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] a4837cd37e2272b5b3cc90f2bbdf20d66d6833660442791b67d4f5abe289089c [INFO] running `Command { std: "docker" "start" "-a" "a4837cd37e2272b5b3cc90f2bbdf20d66d6833660442791b67d4f5abe289089c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling conftaal v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/parse/mod.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 56 | 'a'...'z' | 'A'...'Z' | '_' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/parse/mod.rs:56:20 [INFO] [stdout] | [INFO] [stdout] 56 | 'a'...'z' | 'A'...'Z' | '_' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/parse/mod.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | '0'...'9' => !start, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0499]: cannot borrow `*current` as mutable more than once at a time [INFO] [stdout] --> src/parse/mod.rs:287:19 [INFO] [stdout] | [INFO] [stdout] 269 | fn find_lhs<'a, 'b>( [INFO] [stdout] | -- lifetime `'b` defined here [INFO] [stdout] ... [INFO] [stdout] 278 | op: e_op, [INFO] [stdout] | ---- first mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 283 | expr = Rc::get_mut(match e_op { [INFO] [stdout] | ________________________- [INFO] [stdout] 284 | | Op::UnaryOp{rhs, ..} | Op::BinaryOp{rhs, ..} => rhs [INFO] [stdout] 285 | | }).unwrap(); [INFO] [stdout] | |__________________- argument requires that `current.op` is borrowed for `'b` [INFO] [stdout] 286 | } [INFO] [stdout] 287 | _ => return Ok(current) [INFO] [stdout] | ^^^^^^^ second mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0499`. [INFO] [stdout] [INFO] [stderr] error: could not compile `conftaal` due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "a4837cd37e2272b5b3cc90f2bbdf20d66d6833660442791b67d4f5abe289089c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4837cd37e2272b5b3cc90f2bbdf20d66d6833660442791b67d4f5abe289089c", kill_on_drop: false }` [INFO] [stdout] a4837cd37e2272b5b3cc90f2bbdf20d66d6833660442791b67d4f5abe289089c