[INFO] updating cached repository https://github.com/Xanewok/simple_fmt
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0910b3db3992f3f0782eaf889bcb4d59d7df4b78
[INFO] checking Xanewok/simple_fmt against master#446e5e57b667c841ba3ebb4b41b44fb98bd3af4b for pr-65294
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXanewok%2Fsimple_fmt" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Xanewok/simple_fmt on toolchain 446e5e57b667c841ba3ebb4b41b44fb98bd3af4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Xanewok/simple_fmt
[INFO] finished tweaking git repo https://github.com/Xanewok/simple_fmt
[INFO] tweaked toml for git repo https://github.com/Xanewok/simple_fmt written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Xanewok/simple_fmt already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "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] d46735b8215ab212b2601b7d1c2bb36ea425c9536419a2b87b7c9549567c4418
[INFO] running `"docker" "start" "-a" "d46735b8215ab212b2601b7d1c2bb36ea425c9536419a2b87b7c9549567c4418"`
[INFO] [stderr]    Compiling serde v1.0.81
[INFO] [stderr]    Compiling rustc-rayon-core v0.1.1
[INFO] [stderr]     Checking rustc-ap-graphviz v297.0.0
[INFO] [stderr]    Compiling simd v0.2.3
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]    Compiling rustc-ap-rustc_target v297.0.0
[INFO] [stderr]    Compiling rustc-ap-syntax v297.0.0
[INFO] [stderr]    Compiling rustfmt-nightly v1.0.0
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking rustc-ap-rustc_cratesio_shim v297.0.0
[INFO] [stderr]     Checking ena v0.9.3
[INFO] [stderr]     Checking backtrace-sys v0.1.24
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr] error: allow_internal_unstable expects list of feature names
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | #[allow_internal_unstable]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `scoped-tls`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: the trait bound `std::borrow::Cow<'_, str>: std::convert::From<std::str::EscapeDefault<'_>>` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-graphviz-297.0.0/lib.rs:551:44
[INFO] [stderr]     |
[INFO] [stderr] 551 |                     (&*s).escape_default().into()
[INFO] [stderr]     |                                            ^^^^ the trait `std::convert::From<std::str::EscapeDefault<'_>>` is not implemented for `std::borrow::Cow<'_, str>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <std::borrow::Cow<'a, [T]> as std::convert::From<&'a [T]>>
[INFO] [stderr]               <std::borrow::Cow<'a, [T]> as std::convert::From<&'a std::vec::Vec<T>>>
[INFO] [stderr]               <std::borrow::Cow<'a, [T]> as std::convert::From<std::vec::Vec<T>>>
[INFO] [stderr]               <std::borrow::Cow<'a, std::ffi::CStr> as std::convert::From<&'a std::ffi::CStr>>
[INFO] [stderr]             and 11 others
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::Into<std::borrow::Cow<'_, str>>` for `std::str::EscapeDefault<'_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `rustc-ap-graphviz`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d46735b8215ab212b2601b7d1c2bb36ea425c9536419a2b87b7c9549567c4418"`
[INFO] running `"docker" "rm" "-f" "d46735b8215ab212b2601b7d1c2bb36ea425c9536419a2b87b7c9549567c4418"`
[INFO] [stdout] d46735b8215ab212b2601b7d1c2bb36ea425c9536419a2b87b7c9549567c4418