[INFO] crate reproto-derive 0.3.36 is already in cache
[INFO] checking reproto-derive-0.3.36 against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] extracting crate reproto-derive 0.3.36 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate reproto-derive 0.3.36 on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate reproto-derive 0.3.36
[INFO] finished tweaking crates.io crate reproto-derive 0.3.36
[INFO] tweaked toml for crates.io crate reproto-derive 0.3.36 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d06c907bfb9165640a6a3ccdfa7c9237011b72237c80f4d9b894587b8769ecd0
[INFO] running `"docker" "start" "-a" "d06c907bfb9165640a6a3ccdfa7c9237011b72237c80f4d9b894587b8769ecd0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking backtrace-sys v0.1.37
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking reproto-core v0.3.36
[INFO] [stderr]     Checking reproto-lexer v0.3.36
[INFO] [stderr]     Checking reproto-ast v0.3.36
[INFO] [stderr]     Checking reproto-derive v0.3.36 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:22:36
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn as_object(&self) -> Option<&Object<Value = Self>>;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Object<Value = Self>`
[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]   --> json.rs:37:36
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn as_object(&self) -> Option<&format::Object<Value = Self>> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object<Value = Self>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> json.rs:39:64
[INFO] [stderr]    |
[INFO] [stderr] 39 |             json::Value::Object(ref object) => Some(object as &format::Object<Value = Self>),
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object<Value = Self>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> yaml.rs:29:36
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn as_object(&self) -> Option<&format::Object<Value = Self>> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object<Value = Self>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> yaml.rs:31:67
[INFO] [stderr]    |
[INFO] [stderr] 31 |             yaml::Value::Mapping(ref mapping) => Some(mapping as &format::Object<Value = Self>),
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object<Value = Self>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |     format: Box<format::Format>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Format`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:84:21
[INFO] [stderr]    |
[INFO] [stderr] 84 |         format: Box<format::Format>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Format`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:22:36
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn as_object(&self) -> Option<&Object<Value = Self>>;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Object<Value = Self>`
[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]   --> json.rs:37:36
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn as_object(&self) -> Option<&format::Object<Value = Self>> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object<Value = Self>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> json.rs:39:64
[INFO] [stderr]    |
[INFO] [stderr] 39 |             json::Value::Object(ref object) => Some(object as &format::Object<Value = Self>),
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object<Value = Self>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> yaml.rs:29:36
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn as_object(&self) -> Option<&format::Object<Value = Self>> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object<Value = Self>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> yaml.rs:31:67
[INFO] [stderr]    |
[INFO] [stderr] 31 |             yaml::Value::Mapping(ref mapping) => Some(mapping as &format::Object<Value = Self>),
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object<Value = Self>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |     format: Box<format::Format>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Format`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:84:21
[INFO] [stderr]    |
[INFO] [stderr] 84 |         format: Box<format::Format>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Format`
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> sir.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |             mem::replace(self, replace);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> sir.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |             mem::replace(self, replace);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.32s
[INFO] running `"docker" "inspect" "d06c907bfb9165640a6a3ccdfa7c9237011b72237c80f4d9b894587b8769ecd0"`
[INFO] running `"docker" "rm" "-f" "d06c907bfb9165640a6a3ccdfa7c9237011b72237c80f4d9b894587b8769ecd0"`
[INFO] [stdout] d06c907bfb9165640a6a3ccdfa7c9237011b72237c80f4d9b894587b8769ecd0