[INFO] fetching crate cpp_to_rust_generator 0.2.0...
[INFO] checking cpp_to_rust_generator-0.2.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate cpp_to_rust_generator 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cpp_to_rust_generator 0.2.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cpp_to_rust_generator 0.2.0
[INFO] removed path dependency cpp_to_rust_common from crates.io crate cpp_to_rust_generator 0.2.0
[INFO] finished tweaking crates.io crate cpp_to_rust_generator 0.2.0
[INFO] tweaked toml for crates.io crate cpp_to_rust_generator 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6fe08ce819a7e6f8a67719e021506f44f104e285f70de4988a45be341621167b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6fe08ce819a7e6f8a67719e021506f44f104e285f70de4988a45be341621167b"`
[INFO] [stderr]     Checking unicode-xid v0.0.3
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking multimap v0.3.0
[INFO] [stderr]     Checking syntex_pos v0.44.0
[INFO] [stderr]     Checking term-painter v0.2.4
[INFO] [stderr]     Checking toml v0.1.30
[INFO] [stderr]    Compiling clang-sys v0.15.2
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]     Checking strings v0.0.1
[INFO] [stderr]     Checking bincode v0.7.0
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking html5ever v0.5.4
[INFO] [stderr]     Checking syntex_errors v0.44.0
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]    Compiling rustfmt v0.6.3
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking syntex_syntax v0.44.1
[INFO] [stderr]     Checking clang v0.16.0
[INFO] [stderr]     Checking select v0.3.0
[INFO] [stderr]     Checking cpp_to_rust_common v0.2.3
[INFO] [stderr]     Checking cpp_to_rust_generator v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:13:36
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type CppFfiGeneratorFilterFn = Fn(&CppMethod) -> Result<bool>;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&CppMethod) -> Result<bool>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:15:34
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct CppFfiGeneratorFilter(Box<Fn(&CppMethod) -> Result<bool>>);
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&CppMethod) -> Result<bool>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:24:28
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub type CppDataFilterFn = Fn(&mut CppData) -> Result<()>;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut CppData) -> Result<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:13:36
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type CppFfiGeneratorFilterFn = Fn(&CppMethod) -> Result<bool>;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&CppMethod) -> Result<bool>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:15:34
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct CppFfiGeneratorFilter(Box<Fn(&CppMethod) -> Result<bool>>);
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&CppMethod) -> Result<bool>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:24:28
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub type CppDataFilterFn = Fn(&mut CppData) -> Result<()>;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut CppData) -> Result<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `std` is imported redundantly
[INFO] [stderr]    --> src/cpp_parser.rs:169:7
[INFO] [stderr]     |
[INFO] [stderr] 169 |   use std;
[INFO] [stderr]     |       ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/rust_generator.rs:1355:19
[INFO] [stderr]      |
[INFO] [stderr] 1355 |       if let Some(mut b) = buckets
[INFO] [stderr]      |                   ----^
[INFO] [stderr]      |                   |
[INFO] [stderr]      |                   help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/rust_generator.rs:1355:19
[INFO] [stderr]      |
[INFO] [stderr] 1355 |       if let Some(mut b) = buckets
[INFO] [stderr]      |                   ----^
[INFO] [stderr]      |                   |
[INFO] [stderr]      |                   help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.12s
[INFO] running `"docker" "inspect" "6fe08ce819a7e6f8a67719e021506f44f104e285f70de4988a45be341621167b"`
[INFO] running `"docker" "rm" "-f" "6fe08ce819a7e6f8a67719e021506f44f104e285f70de4988a45be341621167b"`
[INFO] [stdout] 6fe08ce819a7e6f8a67719e021506f44f104e285f70de4988a45be341621167b