[INFO] cloning repository https://github.com/LaCumbancha/gold-miner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LaCumbancha/gold-miner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaCumbancha%2Fgold-miner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaCumbancha%2Fgold-miner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6efcdce112a00e79fac67de17ffdc2f3119509f
[INFO] checking LaCumbancha/gold-miner/c6efcdce112a00e79fac67de17ffdc2f3119509f against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaCumbancha%2Fgold-miner" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LaCumbancha/gold-miner on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LaCumbancha/gold-miner
[INFO] finished tweaking git repo https://github.com/LaCumbancha/gold-miner
[INFO] tweaked toml for git repo https://github.com/LaCumbancha/gold-miner written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LaCumbancha/gold-miner already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4499f562a72d72e81ac611572395d367a8f990e8d4ec297e64e5536426e9e103
[INFO] running `Command { std: "docker" "start" "-a" "4499f562a72d72e81ac611572395d367a8f990e8d4ec297e64e5536426e9e103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4499f562a72d72e81ac611572395d367a8f990e8d4ec297e64e5536426e9e103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4499f562a72d72e81ac611572395d367a8f990e8d4ec297e64e5536426e9e103", kill_on_drop: false }`
[INFO] [stdout] 4499f562a72d72e81ac611572395d367a8f990e8d4ec297e64e5536426e9e103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0c1784ae3296c4439e994ebda7f05d42614aa25458303d774fc39ef4e5ee6dc
[INFO] running `Command { std: "docker" "start" "-a" "d0c1784ae3296c4439e994ebda7f05d42614aa25458303d774fc39ef4e5ee6dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking termion v1.5.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking TP2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `gold_total`
[INFO] [stdout]   --> src/model/miner.rs:98:45
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn save_result(&mut self, (id, gold_dug,gold_total): RoundResults) -> bool {
[INFO] [stdout]    |                                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_gold_total`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gold_total`
[INFO] [stdout]   --> src/model/miner.rs:98:45
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn save_result(&mut self, (id, gold_dug,gold_total): RoundResults) -> bool {
[INFO] [stdout]    |                                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_gold_total`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.74s
[INFO] running `Command { std: "docker" "inspect" "d0c1784ae3296c4439e994ebda7f05d42614aa25458303d774fc39ef4e5ee6dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0c1784ae3296c4439e994ebda7f05d42614aa25458303d774fc39ef4e5ee6dc", kill_on_drop: false }`
[INFO] [stdout] d0c1784ae3296c4439e994ebda7f05d42614aa25458303d774fc39ef4e5ee6dc