[INFO] fetching crate pest-deconstruct 0.2.0... [INFO] checking pest-deconstruct-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [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 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded itertools v0.7.11 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 90943a3608aa9130c4686887f51a18453901486879f3aa1fec39c12559dfe131 [INFO] running `Command { std: "docker" "start" "-a" "90943a3608aa9130c4686887f51a18453901486879f3aa1fec39c12559dfe131", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "90943a3608aa9130c4686887f51a18453901486879f3aa1fec39c12559dfe131", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90943a3608aa9130c4686887f51a18453901486879f3aa1fec39c12559dfe131", kill_on_drop: false }` [INFO] [stdout] 90943a3608aa9130c4686887f51a18453901486879f3aa1fec39c12559dfe131 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 21b824dde29397517987b13b50e815f6a5990e6921126b75bbd0770cc60281b5 [INFO] running `Command { std: "docker" "start" "-a" "21b824dde29397517987b13b50e815f6a5990e6921126b75bbd0770cc60281b5", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling gimli v0.28.1 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling rustc-demangle v0.1.23 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Compiling object v0.32.2 [INFO] [stderr] Compiling either v1.10.0 [INFO] [stderr] Checking ucd-trie v0.1.6 [INFO] [stderr] Compiling syn v2.0.58 [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 thiserror-impl v1.0.58 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling addr2line v0.21.0 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking pest v2.7.9 [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: 2 warnings emitted [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.75s [INFO] running `Command { std: "docker" "inspect" "21b824dde29397517987b13b50e815f6a5990e6921126b75bbd0770cc60281b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21b824dde29397517987b13b50e815f6a5990e6921126b75bbd0770cc60281b5", kill_on_drop: false }` [INFO] [stdout] 21b824dde29397517987b13b50e815f6a5990e6921126b75bbd0770cc60281b5 [INFO] checking pest-deconstruct-0.2.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate pest-deconstruct 0.2.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate pest-deconstruct 0.2.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] decd009e0d4580505b9ae85c4e051d632e70530a5bd75d1d470ac20bf0809dca [INFO] running `Command { std: "docker" "start" "-a" "decd009e0d4580505b9ae85c4e051d632e70530a5bd75d1d470ac20bf0809dca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "decd009e0d4580505b9ae85c4e051d632e70530a5bd75d1d470ac20bf0809dca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "decd009e0d4580505b9ae85c4e051d632e70530a5bd75d1d470ac20bf0809dca", kill_on_drop: false }` [INFO] [stdout] decd009e0d4580505b9ae85c4e051d632e70530a5bd75d1d470ac20bf0809dca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b834c8495ef9b25bcd3be86e8ece309bc3368f469a7c2a8d4307cef85d7f2be4 [INFO] running `Command { std: "docker" "start" "-a" "b834c8495ef9b25bcd3be86e8ece309bc3368f469a7c2a8d4307cef85d7f2be4", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling gimli v0.28.1 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling rustc-demangle v0.1.23 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling either v1.10.0 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Compiling object v0.32.2 [INFO] [stderr] Checking ucd-trie v0.1.6 [INFO] [stderr] Compiling syn v2.0.58 [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 thiserror-impl v1.0.58 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking pest v2.7.9 [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 13.72s [INFO] running `Command { std: "docker" "inspect" "b834c8495ef9b25bcd3be86e8ece309bc3368f469a7c2a8d4307cef85d7f2be4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b834c8495ef9b25bcd3be86e8ece309bc3368f469a7c2a8d4307cef85d7f2be4", kill_on_drop: false }` [INFO] [stdout] b834c8495ef9b25bcd3be86e8ece309bc3368f469a7c2a8d4307cef85d7f2be4