[INFO] fetching crate yarte_hir 0.15.6... [INFO] checking yarte_hir-0.15.6 against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950 [INFO] extracting crate yarte_hir 0.15.6 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate yarte_hir 0.15.6 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 crates.io crate yarte_hir 0.15.6 [INFO] finished tweaking crates.io crate yarte_hir 0.15.6 [INFO] tweaked toml for crates.io crate yarte_hir 0.15.6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 95728b0e5d04cefcf96c462a90f17a5f1ddb3cfbf79b6b9c312e7f5d64abf614 [INFO] running `Command { std: "docker" "start" "-a" "95728b0e5d04cefcf96c462a90f17a5f1ddb3cfbf79b6b9c312e7f5d64abf614", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "95728b0e5d04cefcf96c462a90f17a5f1ddb3cfbf79b6b9c312e7f5d64abf614", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95728b0e5d04cefcf96c462a90f17a5f1ddb3cfbf79b6b9c312e7f5d64abf614", kill_on_drop: false }` [INFO] [stdout] 95728b0e5d04cefcf96c462a90f17a5f1ddb3cfbf79b6b9c312e7f5d64abf614 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 629a5b29aa6c634f42c4a66b20037b9544e2aac6b95bdbf7b3f036d85d5db3c9 [INFO] running `Command { std: "docker" "start" "-a" "629a5b29aa6c634f42c4a66b20037b9544e2aac6b95bdbf7b3f036d85d5db3c9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.67 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling v_htmlescape v0.15.8 [INFO] [stderr] Compiling prettyplease v0.1.25 [INFO] [stderr] Checking dtoa v1.0.9 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking yansi-term v0.1.2 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Checking unicode-xid v0.2.4 [INFO] [stderr] Checking annotate-snippets v0.9.1 [INFO] [stderr] Checking quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.37 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Checking v_eval v0.6.0 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Checking serde v1.0.188 [INFO] [stderr] Checking toml v0.5.11 [INFO] [stderr] Checking yarte_helpers v0.15.8 [INFO] [stderr] Checking yarte_parser v0.15.2 [INFO] [stderr] Checking yarte_hir v0.15.6 (/opt/rustwide/workdir) [INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/lib.rs:493:13 [INFO] [stdout] | [INFO] [stdout] 492 | if let Some(args) = self.eval_iter(&args) { [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] 493 | self.const_iter(buf, ws, args, nodes, loop_var); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 496 | } [INFO] [stdout] | - ... and the immutable borrow might be used here, when that temporary is dropped and runs the destructor for type `Option>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `self.spans` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/lib.rs:494:13 [INFO] [stdout] | [INFO] [stdout] 492 | if let Some(args) = self.eval_iter(&args) { [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] 493 | self.const_iter(buf, ws, args, nodes, loop_var); [INFO] [stdout] 494 | self.spans.pop(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] 495 | return; [INFO] [stdout] 496 | } [INFO] [stdout] | - ... and the immutable borrow might be used here, when that temporary is dropped and runs the destructor for type `Option>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/lib.rs:493:13 [INFO] [stdout] | [INFO] [stdout] 492 | if let Some(args) = self.eval_iter(&args) { [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] 493 | self.const_iter(buf, ws, args, nodes, loop_var); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 496 | } [INFO] [stdout] | - ... and the immutable borrow might be used here, when that temporary is dropped and runs the destructor for type `Option>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `self.spans` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/lib.rs:494:13 [INFO] [stdout] | [INFO] [stdout] 492 | if let Some(args) = self.eval_iter(&args) { [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] 493 | self.const_iter(buf, ws, args, nodes, loop_var); [INFO] [stdout] 494 | self.spans.pop(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] 495 | return; [INFO] [stdout] 496 | } [INFO] [stdout] | - ... and the immutable borrow might be used here, when that temporary is dropped and runs the destructor for type `Option>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0502`. [INFO] [stdout] [INFO] [stderr] error: could not compile `yarte_hir` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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 `yarte_hir` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "629a5b29aa6c634f42c4a66b20037b9544e2aac6b95bdbf7b3f036d85d5db3c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "629a5b29aa6c634f42c4a66b20037b9544e2aac6b95bdbf7b3f036d85d5db3c9", kill_on_drop: false }` [INFO] [stdout] 629a5b29aa6c634f42c4a66b20037b9544e2aac6b95bdbf7b3f036d85d5db3c9