[INFO] fetching crate cpp_to_rust_generator 0.2.0...
[INFO] checking cpp_to_rust_generator-0.2.0 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate cpp_to_rust_generator 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate cpp_to_rust_generator 0.2.0 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded select v0.3.0
[INFO] [stderr]   Downloaded cpp_to_rust_common v0.2.3
[INFO] [stderr]   Downloaded multimap v0.3.0
[INFO] [stderr]   Downloaded strings v0.0.1
[INFO] [stderr]   Downloaded syntex_errors v0.44.0
[INFO] [stderr]   Downloaded syntex_pos v0.44.0
[INFO] [stderr]   Downloaded rustfmt v0.6.3
[INFO] [stderr]   Downloaded syntex_syntax v0.44.1
[INFO] [stderr]   Downloaded clang v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 778b6d57b7d6542ca22303061e2d468928afcf5a9cb94de86d34d77fd5cba5a7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "778b6d57b7d6542ca22303061e2d468928afcf5a9cb94de86d34d77fd5cba5a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "778b6d57b7d6542ca22303061e2d468928afcf5a9cb94de86d34d77fd5cba5a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "778b6d57b7d6542ca22303061e2d468928afcf5a9cb94de86d34d77fd5cba5a7", kill_on_drop: false }`
[INFO] [stdout] 778b6d57b7d6542ca22303061e2d468928afcf5a9cb94de86d34d77fd5cba5a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1a67268e35e0690fdd0d604934bf067c420393ba4a89d8e9401fd81ccce2c727
[INFO] running `Command { std: "docker" "start" "-a" "1a67268e35e0690fdd0d604934bf067c420393ba4a89d8e9401fd81ccce2c727", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking error-chain v0.5.0
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache v0.2.29
[INFO] [stderr]    Compiling html5ever v0.5.4
[INFO] [stderr]     Checking cpp_to_rust_common v0.2.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking select v0.3.0
[INFO] [stderr]     Checking cpp_to_rust_generator v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:13:36
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type CppFfiGeneratorFilterFn = Fn(&CppMethod) -> Result<bool>;
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&CppMethod) -> Result<bool>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:15:34
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct CppFfiGeneratorFilter(Box<Fn(&CppMethod) -> Result<bool>>);
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&CppMethod) -> Result<bool>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub type CppDataFilterFn = Fn(&mut CppData) -> Result<()>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut CppData) -> Result<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:13:36
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type CppFfiGeneratorFilterFn = Fn(&CppMethod) -> Result<bool>;
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&CppMethod) -> Result<bool>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:15:34
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct CppFfiGeneratorFilter(Box<Fn(&CppMethod) -> Result<bool>>);
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&CppMethod) -> Result<bool>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub type CppDataFilterFn = Fn(&mut CppData) -> Result<()>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut CppData) -> Result<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]    --> src/cpp_parser.rs:169:7
[INFO] [stdout]     |
[INFO] [stdout] 169 |   use std;
[INFO] [stdout]     |       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/rust_generator.rs:1355:19
[INFO] [stdout]      |
[INFO] [stdout] 1355 |       if let Some(mut b) = buckets
[INFO] [stdout]      |                   ----^
[INFO] [stdout]      |                   |
[INFO] [stdout]      |                   help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/rust_generator.rs:1355:19
[INFO] [stdout]      |
[INFO] [stdout] 1355 |       if let Some(mut b) = buckets
[INFO] [stdout]      |                   ----^
[INFO] [stdout]      |                   |
[INFO] [stdout]      |                   help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "1a67268e35e0690fdd0d604934bf067c420393ba4a89d8e9401fd81ccce2c727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a67268e35e0690fdd0d604934bf067c420393ba4a89d8e9401fd81ccce2c727", kill_on_drop: false }`
[INFO] [stdout] 1a67268e35e0690fdd0d604934bf067c420393ba4a89d8e9401fd81ccce2c727