[INFO] fetching crate rsonpath-test-codegen 0.5.1... [INFO] checking rsonpath-test-codegen-0.5.1 against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950 [INFO] extracting crate rsonpath-test-codegen 0.5.1 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate rsonpath-test-codegen 0.5.1 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 rsonpath-test-codegen 0.5.1 [INFO] finished tweaking crates.io crate rsonpath-test-codegen 0.5.1 [INFO] tweaked toml for crates.io crate rsonpath-test-codegen 0.5.1 written to /workspace/builds/worker-5-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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 68dd583945983110efd68b423b30cecb58ead615fbe63569ad9acddd1cf7d59f [INFO] running `Command { std: "docker" "start" "-a" "68dd583945983110efd68b423b30cecb58ead615fbe63569ad9acddd1cf7d59f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "68dd583945983110efd68b423b30cecb58ead615fbe63569ad9acddd1cf7d59f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68dd583945983110efd68b423b30cecb58ead615fbe63569ad9acddd1cf7d59f", kill_on_drop: false }` [INFO] [stdout] 68dd583945983110efd68b423b30cecb58ead615fbe63569ad9acddd1cf7d59f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d4338f9d114084752fa6440aa9f777a32ef16a96d78c93e153cf6e926a659b15 [INFO] running `Command { std: "docker" "start" "-a" "d4338f9d114084752fa6440aa9f777a32ef16a96d78c93e153cf6e926a659b15", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v2.0.37 [INFO] [stderr] Checking unicode-segmentation v1.10.1 [INFO] [stderr] Checking pretty_assertions v1.4.0 [INFO] [stderr] Checking heck v0.4.1 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Checking serde v1.0.188 [INFO] [stderr] Checking toml_datetime v0.6.3 [INFO] [stderr] Checking serde_spanned v0.6.3 [INFO] [stderr] Checking toml_edit v0.19.15 [INFO] [stderr] Checking toml v0.7.8 [INFO] [stderr] Checking rsonpath-test-codegen v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0499]: cannot borrow `files` as mutable more than once at a time [INFO] [stdout] --> src/lib.rs:109:5 [INFO] [stdout] | [INFO] [stdout] 106 | let sources = gen::generate_test_fns(&mut files).into_iter(); [INFO] [stdout] | ---------- first mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 109 | files.flush()?; [INFO] [stdout] | ^^^^^ second mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 116 | } [INFO] [stdout] | - first borrow might be used here, when `sources` is dropped and runs the destructor for type ` as IntoIterator>::IntoIter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0499]: cannot borrow `files` as mutable more than once at a time [INFO] [stdout] --> src/lib.rs:109:5 [INFO] [stdout] | [INFO] [stdout] 106 | let sources = gen::generate_test_fns(&mut files).into_iter(); [INFO] [stdout] | ---------- first mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 109 | files.flush()?; [INFO] [stdout] | ^^^^^ second mutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 116 | } [INFO] [stdout] | - first borrow might be used here, when `sources` is dropped and runs the destructor for type ` as IntoIterator>::IntoIter` [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 E0499`. [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 E0499`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rsonpath-test-codegen` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `rsonpath-test-codegen` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "d4338f9d114084752fa6440aa9f777a32ef16a96d78c93e153cf6e926a659b15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4338f9d114084752fa6440aa9f777a32ef16a96d78c93e153cf6e926a659b15", kill_on_drop: false }` [INFO] [stdout] d4338f9d114084752fa6440aa9f777a32ef16a96d78c93e153cf6e926a659b15