[INFO] updating cached repository https://github.com/gavrie/miniraft
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] c461b86512fdc8f4b5c81b27dc316d7919155b17
[INFO] checking gavrie/miniraft against master#9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7 for pr-64564
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgavrie%2Fminiraft" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gavrie/miniraft on toolchain 9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/gavrie/miniraft
[INFO] finished tweaking git repo https://github.com/gavrie/miniraft
[INFO] tweaked toml for git repo https://github.com/gavrie/miniraft written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/gavrie/miniraft already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7c0032a35073ccb2d162c05b7e8ab707c0b67257c035df48c254e4a749b9a8d7
[INFO] running `"docker" "start" "-a" "7c0032a35073ccb2d162c05b7e8ab707c0b67257c035df48c254e4a749b9a8d7"`
[INFO] [stderr]    Compiling rand v0.6.3
[INFO] [stderr]     Checking rand_os v0.1.0
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.6
[INFO] [stderr]     Checking miniraft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `RequestVoteResponse`
[INFO] [stderr]  --> src/miniraft/rpc.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     RequestVoteResponse(RequestVoteResults),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AppendEntriesRequest`
[INFO] [stderr]   --> src/miniraft/rpc.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     AppendEntriesRequest(AppendEntriesArguments),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AppendEntriesResponse`
[INFO] [stderr]   --> src/miniraft/rpc.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     AppendEntriesResponse(AppendEntriesResults),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Leader`
[INFO] [stderr]   --> src/miniraft/server.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Leader(VolatileDataForLeader),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RequestVoteResponse`
[INFO] [stderr]  --> src/miniraft/rpc.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     RequestVoteResponse(RequestVoteResults),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AppendEntriesRequest`
[INFO] [stderr]   --> src/miniraft/rpc.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     AppendEntriesRequest(AppendEntriesArguments),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AppendEntriesResponse`
[INFO] [stderr]   --> src/miniraft/rpc.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     AppendEntriesResponse(AppendEntriesResults),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Leader`
[INFO] [stderr]   --> src/miniraft/server.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Leader(VolatileDataForLeader),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.02s
[INFO] running `"docker" "inspect" "7c0032a35073ccb2d162c05b7e8ab707c0b67257c035df48c254e4a749b9a8d7"`
[INFO] running `"docker" "rm" "-f" "7c0032a35073ccb2d162c05b7e8ab707c0b67257c035df48c254e4a749b9a8d7"`
[INFO] [stdout] 7c0032a35073ccb2d162c05b7e8ab707c0b67257c035df48c254e4a749b9a8d7