[INFO] fetching crate dynfmt 0.1.2...
[INFO] checking dynfmt-0.1.2 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate dynfmt 0.1.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate dynfmt 0.1.2 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate dynfmt 0.1.2
[INFO] finished tweaking crates.io crate dynfmt 0.1.2
[INFO] tweaked toml for crates.io crate dynfmt 0.1.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3ef326f7cb1b914572afb27c76ed6c3e41e8b4fabb2a7ba8607ccec8b49f356d
[INFO] running `"docker" "start" "-a" "3ef326f7cb1b914572afb27c76ed6c3e41e8b4fabb2a7ba8607ccec8b49f356d"`
[INFO] [stderr]    Compiling derive-enum-error v0.0.1
[INFO] [stderr]     Checking erased-serde v0.3.9
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking dynfmt v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/formatter.rs:142:52
[INFO] [stderr]     |
[INFO] [stderr] 142 |         *self = f(std::mem::replace(self, unsafe { std::mem::uninitialized() }).into_inner());
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/formatter.rs:142:52
[INFO] [stderr]     |
[INFO] [stderr] 142 |         *self = f(std::mem::replace(self, unsafe { std::mem::uninitialized() }).into_inner());
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.48s
[INFO] running `"docker" "inspect" "3ef326f7cb1b914572afb27c76ed6c3e41e8b4fabb2a7ba8607ccec8b49f356d"`
[INFO] running `"docker" "rm" "-f" "3ef326f7cb1b914572afb27c76ed6c3e41e8b4fabb2a7ba8607ccec8b49f356d"`
[INFO] [stdout] 3ef326f7cb1b914572afb27c76ed6c3e41e8b4fabb2a7ba8607ccec8b49f356d