[INFO] fetching crate oxidize 0.2.1...
[INFO] checking oxidize-0.2.1 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate oxidize 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate oxidize 0.2.1 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate oxidize 0.2.1
[INFO] finished tweaking crates.io crate oxidize 0.2.1
[INFO] tweaked toml for crates.io crate oxidize 0.2.1 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] 1a2c340c8faa0ebfd75a20711c08487b66f8321b81f96ad776cb6f652ed5a662
[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" "1a2c340c8faa0ebfd75a20711c08487b66f8321b81f96ad776cb6f652ed5a662"`
[INFO] [stderr]     Checking oxidize v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/matchers/option.rs:18:54
[INFO] [stderr]    |
[INFO] [stderr] 18 |         format!("expected {:?} to be Some<{}>", lhs, unsafe { type_name::<T>() })
[INFO] [stderr]    |                                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/matchers/option.rs:28:54
[INFO] [stderr]    |
[INFO] [stderr] 28 |         format!("expected {:?} to be Some<{}>", lhs, unsafe { type_name::<T>() })
[INFO] [stderr]    |                                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] error: unnecessary `unsafe` block
[INFO] [stderr]   --> src/matchers/option.rs:18:54
[INFO] [stderr]    |
[INFO] [stderr] 18 |         format!("expected {:?} to be Some<{}>", lhs, unsafe { type_name::<T>() })
[INFO] [stderr]    |                                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:3:24
[INFO] [stderr]    |
[INFO] [stderr] 3  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(unused_unsafe)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: unnecessary `unsafe` block
[INFO] [stderr]   --> src/matchers/option.rs:28:54
[INFO] [stderr]    |
[INFO] [stderr] 28 |         format!("expected {:?} to be Some<{}>", lhs, unsafe { type_name::<T>() })
[INFO] [stderr]    |                                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `oxidize`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1a2c340c8faa0ebfd75a20711c08487b66f8321b81f96ad776cb6f652ed5a662"`
[INFO] running `"docker" "rm" "-f" "1a2c340c8faa0ebfd75a20711c08487b66f8321b81f96ad776cb6f652ed5a662"`
[INFO] [stdout] 1a2c340c8faa0ebfd75a20711c08487b66f8321b81f96ad776cb6f652ed5a662