[INFO] fetching crate pest-deconstruct 0.2.0... [INFO] checking pest-deconstruct-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate pest-deconstruct 0.2.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate pest-deconstruct 0.2.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pest-deconstruct 0.2.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate pest-deconstruct 0.2.0 [INFO] tweaked toml for crates.io crate pest-deconstruct 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 45 packages [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding itertools v0.7.11 (latest: v0.12.1) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.79) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.35) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.58) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pest-deconstruct-derive v0.2.0 [INFO] [stderr] Downloaded single v1.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 01507a165942249550d5e73175f2a7beb59e71d2d2bef8b4d0caca31392fb866 [INFO] running `Command { std: "docker" "start" "-a" "01507a165942249550d5e73175f2a7beb59e71d2d2bef8b4d0caca31392fb866", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01507a165942249550d5e73175f2a7beb59e71d2d2bef8b4d0caca31392fb866", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01507a165942249550d5e73175f2a7beb59e71d2d2bef8b4d0caca31392fb866", kill_on_drop: false }` [INFO] [stdout] 01507a165942249550d5e73175f2a7beb59e71d2d2bef8b4d0caca31392fb866 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 28da5496484d000de341f05992869b217d9940cba461ef302010145f966e197a [INFO] running `Command { std: "docker" "start" "-a" "28da5496484d000de341f05992869b217d9940cba461ef302010145f966e197a", kill_on_drop: false }` [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling gimli v0.28.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling rustc-demangle v0.1.23 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling either v1.10.0 [INFO] [stderr] Compiling object v0.32.2 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking pest v2.7.9 [INFO] [stderr] Compiling miniz_oxide v0.7.2 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling addr2line v0.21.0 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling single v1.0.1 [INFO] [stderr] Compiling pest-deconstruct-derive v0.2.0 [INFO] [stderr] Checking pest-deconstruct v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:167:44 [INFO] [stdout] | [INFO] [stdout] 167 | let mut pairs = unsafe { std::mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:167:44 [INFO] [stdout] | [INFO] [stdout] 167 | let mut pairs = unsafe { std::mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Peekable>` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:167:34 [INFO] [stdout] | [INFO] [stdout] 167 | let mut pairs = unsafe { std::mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `std::rc::Rc>>` must be non-null [INFO] [stdout] = note: because `std::ptr::NonNull>>>` must be non-null [INFO] [stdout] = note: raw pointers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Peekable>` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:167:34 [INFO] [stdout] | [INFO] [stdout] 167 | let mut pairs = unsafe { std::mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `std::rc::Rc>>` must be non-null [INFO] [stdout] = note: because `std::ptr::NonNull>>>` must be non-null [INFO] [stdout] = note: raw pointers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.71s [INFO] running `Command { std: "docker" "inspect" "28da5496484d000de341f05992869b217d9940cba461ef302010145f966e197a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28da5496484d000de341f05992869b217d9940cba461ef302010145f966e197a", kill_on_drop: false }` [INFO] [stdout] 28da5496484d000de341f05992869b217d9940cba461ef302010145f966e197a