[INFO] fetching crate protobuf2 4.0.0-alpha.2...
[INFO] checking protobuf2-4.0.0-alpha.2 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate protobuf2 4.0.0-alpha.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate protobuf2 4.0.0-alpha.2 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protobuf2 4.0.0-alpha.2
[INFO] finished tweaking crates.io crate protobuf2 4.0.0-alpha.2
[INFO] tweaked toml for crates.io crate protobuf2 4.0.0-alpha.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe9582b230260cd574ebe658c9df182b98f87677f246e506fbe36d13145be37e
[INFO] running `Command { std: "docker" "start" "-a" "fe9582b230260cd574ebe658c9df182b98f87677f246e506fbe36d13145be37e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe9582b230260cd574ebe658c9df182b98f87677f246e506fbe36d13145be37e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe9582b230260cd574ebe658c9df182b98f87677f246e506fbe36d13145be37e", kill_on_drop: false }`
[INFO] [stdout] fe9582b230260cd574ebe658c9df182b98f87677f246e506fbe36d13145be37e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a3f395fe2bb5f1d648f83b4aeb72b093106649c6fb3b0867eae010e3fab746c
[INFO] running `Command { std: "docker" "start" "-a" "6a3f395fe2bb5f1d648f83b4aeb72b093106649c6fb3b0867eae010e3fab746c", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf2 v4.0.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking protobuf-support2 v4.0.0-alpha.2
[INFO] [stdout] error: couldn't read src/../../test-crates/protobuf-test-common/src/hex.rs: No such file or directory (os error 2)
[INFO] [stdout]   --> src/lib.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 85 | mod hex;
[INFO] [stdout]    | ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `protobuf2` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unexpected `cfg` condition name: `never`
[INFO] [stdout]    --> src/lib.rs:102:7
[INFO] [stdout]     |
[INFO] [stdout] 102 | #[cfg(never)]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(never)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(never)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `never`
[INFO] [stdout]    --> src/lib.rs:105:7
[INFO] [stdout]     |
[INFO] [stdout] 105 | #[cfg(never)]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(never)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(never)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `box_pointers` has been removed: it does not detect other kinds of allocations, and existed only for historical reasons
[INFO] [stdout]   --> src/descriptor.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![allow(box_pointers)]
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `box_pointers` has been removed: it does not detect other kinds of allocations, and existed only for historical reasons
[INFO] [stdout]   --> src/plugin.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![allow(box_pointers)]
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `box_pointers` has been removed: it does not detect other kinds of allocations, and existed only for historical reasons
[INFO] [stdout]   --> src/rustproto.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![allow(box_pointers)]
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `no`
[INFO] [stdout]    --> src/message_field.rs:181:7
[INFO] [stdout]     |
[INFO] [stdout] 181 | #[cfg(no)]
[INFO] [stdout]     |       ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(no)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `box_pointers` has been removed: it does not detect other kinds of allocations, and existed only for historical reasons
[INFO] [stdout]   --> src/well_known_types/any.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![allow(box_pointers)]
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `box_pointers` has been removed: it does not detect other kinds of allocations, and existed only for historical reasons
[INFO] [stdout]   --> src/well_known_types/api.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![allow(box_pointers)]
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `box_pointers` has been removed: it does not detect other kinds of allocations, and existed only for historical reasons
[INFO] [stdout]   --> src/well_known_types/duration.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![allow(box_pointers)]
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `box_pointers` has been removed: it does not detect other kinds of allocations, and existed only for historical reasons
[INFO] [stdout]   --> src/well_known_types/empty.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![allow(box_pointers)]
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `box_pointers` has been removed: it does not detect other kinds of allocations, and existed only for historical reasons
[INFO] [stdout]   --> src/well_known_types/field_mask.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![allow(box_pointers)]
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `box_pointers` has been removed: it does not detect other kinds of allocations, and existed only for historical reasons
[INFO] [stdout]   --> src/well_known_types/source_context.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![allow(box_pointers)]
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `box_pointers` has been removed: it does not detect other kinds of allocations, and existed only for historical reasons
[INFO] [stdout]   --> src/well_known_types/struct_.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![allow(box_pointers)]
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `box_pointers` has been removed: it does not detect other kinds of allocations, and existed only for historical reasons
[INFO] [stdout]   --> src/well_known_types/timestamp.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![allow(box_pointers)]
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `box_pointers` has been removed: it does not detect other kinds of allocations, and existed only for historical reasons
[INFO] [stdout]   --> src/well_known_types/type_.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![allow(box_pointers)]
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `box_pointers` has been removed: it does not detect other kinds of allocations, and existed only for historical reasons
[INFO] [stdout]   --> src/well_known_types/wrappers.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![allow(box_pointers)]
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/coded_input_stream/input_source.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Slice(&'a [u8]),
[INFO] [stdout]    |     ----- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InputSource` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Slice(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `element_type` is never used
[INFO] [stdout]   --> src/reflect/acc/v2/map.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) trait MapFieldAccessor: Send + Sync + 'static {
[INFO] [stdout]    |                  ---------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn element_type(&self) -> (RuntimeType, RuntimeType);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `element_type` is never used
[INFO] [stdout]   --> src/reflect/acc/v2/repeated.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub(crate) trait RepeatedFieldAccessor: Send + Sync + 'static {
[INFO] [stdout]    |                  --------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn element_type(&self) -> RuntimeType;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]    --> src/reflect/dynamic/map.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct DynamicMapIterImpl<'a, K: ProtobufValue + Eq + Hash + 'static> {
[INFO] [stdout]     |        ------------------ field in this struct
[INFO] [stdout] 117 |     iter: hash_map::Iter<'a, K, ReflectValueBox>,
[INFO] [stdout] 118 |     value: &'a RuntimeType,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `key_type` and `value_type` are never used
[INFO] [stdout]   --> src/reflect/map/mod.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub(crate) trait ReflectMapIterTrait<'a> {
[INFO] [stdout]    |                  ------------------- methods in this trait
[INFO] [stdout] 35 |     fn next(&mut self) -> Option<(ReflectValueRef<'a>, ReflectValueRef<'a>)>;
[INFO] [stdout] 36 |     fn key_type(&self) -> RuntimeType;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 37 |     fn value_type(&self) -> RuntimeType;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key_type` and `value_type` are never read
[INFO] [stdout]   --> src/reflect/map/empty.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct DynamicEmptyMapIter {
[INFO] [stdout]    |        ------------------- fields in this struct
[INFO] [stdout] 57 |     key_type: RuntimeType,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 58 |     value_type: RuntimeType,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/reflect/oneof/mod.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Generated(&'static GeneratedOneofDescriptor),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Generated(()),
[INFO] [stdout]    |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ProtobufTypeDynamic` is never used
[INFO] [stdout]   --> src/reflect/type_dynamic.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait ProtobufTypeDynamic: Send + Sync + 'static {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProtobufTypeDynamicImpl` is never constructed
[INFO] [stdout]   --> src/reflect/type_dynamic.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub(crate) struct ProtobufTypeDynamicImpl<T: ProtobufTypeTrait>(pub marker::PhantomData<T>);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `dynamic`, `compute_size`, `compute_size_with_length_delimiter`, `get_cached_size`, `get_cached_size_with_length_delimiter`, and `write_with_cached_size` are never used
[INFO] [stdout]   --> src/reflect/types.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub(crate) trait ProtobufTypeTrait: Send + Sync + Clone + Sized + 'static {
[INFO] [stdout]    |                  ----------------- associated functions in this trait
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn dynamic() -> &'static dyn ProtobufTypeDynamic
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn compute_size(value: &Self::ProtobufValue) -> u64;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn compute_size_with_length_delimiter(value: &Self::ProtobufValue) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn get_cached_size(value: &Self::ProtobufValue) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn get_cached_size_with_length_delimiter(value: &Self::ProtobufValue) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     fn write_with_cached_size(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6a3f395fe2bb5f1d648f83b4aeb72b093106649c6fb3b0867eae010e3fab746c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3f395fe2bb5f1d648f83b4aeb72b093106649c6fb3b0867eae010e3fab746c", kill_on_drop: false }`
[INFO] [stdout] 6a3f395fe2bb5f1d648f83b4aeb72b093106649c6fb3b0867eae010e3fab746c
