[INFO] fetching crate invariant 0.0.2...
[INFO] checking invariant-0.0.2 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate invariant 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate invariant 0.0.2 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate invariant 0.0.2
[INFO] finished tweaking crates.io crate invariant 0.0.2
[INFO] tweaked toml for crates.io crate invariant 0.0.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c080a3ec87029e6fc48ecb717e7a248dc65de764fae48aaa8cf5d031c0bdaf9f
[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" "c080a3ec87029e6fc48ecb717e7a248dc65de764fae48aaa8cf5d031c0bdaf9f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking invariant v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:57:32
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/lib.rs:66:41
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub struct Invariant<T: ?Sized, F = Box<FnMut(<T as ToOwned>::Owned) -> bool>>
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(<T as ToOwned>::Owned) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:186:32
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn cause(&self) -> Option<&error::Error> { <T as error::Error>::cause(self.as_inner_ref()) }
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:57:32
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/lib.rs:66:41
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub struct Invariant<T: ?Sized, F = Box<FnMut(<T as ToOwned>::Owned) -> bool>>
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(<T as ToOwned>::Owned) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:186:32
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn cause(&self) -> Option<&error::Error> { <T as error::Error>::cause(self.as_inner_ref()) }
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:60:50
[INFO] [stderr]    |
[INFO] [stderr] 60 |             InvariantError::OtherError(ref e) => <E as error::Error>::cause(e),
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:186:48
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn cause(&self) -> Option<&error::Error> { <T as error::Error>::cause(self.as_inner_ref()) }
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:60:50
[INFO] [stderr]    |
[INFO] [stderr] 60 |             InvariantError::OtherError(ref e) => <E as error::Error>::cause(e),
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:186:48
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn cause(&self) -> Option<&error::Error> { <T as error::Error>::cause(self.as_inner_ref()) }
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "c080a3ec87029e6fc48ecb717e7a248dc65de764fae48aaa8cf5d031c0bdaf9f"`
[INFO] running `"docker" "rm" "-f" "c080a3ec87029e6fc48ecb717e7a248dc65de764fae48aaa8cf5d031c0bdaf9f"`
[INFO] [stdout] c080a3ec87029e6fc48ecb717e7a248dc65de764fae48aaa8cf5d031c0bdaf9f