[INFO] cloning repository https://github.com/Jordan-Rowland/rust-card-deck [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jordan-Rowland/rust-card-deck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJordan-Rowland%2Frust-card-deck", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJordan-Rowland%2Frust-card-deck'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 01629158e4dd727c2b5550097f1812f2b5e1da67 [INFO] checking Jordan-Rowland/rust-card-deck against try#163937523761cc0def32f1ba9ed63fdf65ad3478 for pr-156749 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJordan-Rowland%2Frust-card-deck" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Jordan-Rowland/rust-card-deck [INFO] finished tweaking git repo https://github.com/Jordan-Rowland/rust-card-deck [INFO] tweaked toml for git repo https://github.com/Jordan-Rowland/rust-card-deck written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Jordan-Rowland/rust-card-deck on toolchain 163937523761cc0def32f1ba9ed63fdf65ad3478 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Jordan-Rowland/rust-card-deck 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" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] fa6528b6f0d809b8895b63d1867f95d6de407945e9776113b7b5bd69b2098b8c [INFO] running `Command { std: "docker" "start" "fa6528b6f0d809b8895b63d1867f95d6de407945e9776113b7b5bd69b2098b8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fa6528b6f0d809b8895b63d1867f95d6de407945e9776113b7b5bd69b2098b8c" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fa6528b6f0d809b8895b63d1867f95d6de407945e9776113b7b5bd69b2098b8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fa6528b6f0d809b8895b63d1867f95d6de407945e9776113b7b5bd69b2098b8c" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking card_deck v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `rank` and `suit` are never read [INFO] [stdout] --> src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 36 | struct Card { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 37 | rank: Rank, [INFO] [stdout] | ^^^^ [INFO] [stdout] 38 | suit: Suit, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Card` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `rank` and `suit` are never read [INFO] [stdout] --> src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 36 | struct Card { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 37 | rank: Rank, [INFO] [stdout] | ^^^^ [INFO] [stdout] 38 | suit: Suit, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Card` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.12s [INFO] running `Command { std: "docker" "inspect" "fa6528b6f0d809b8895b63d1867f95d6de407945e9776113b7b5bd69b2098b8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa6528b6f0d809b8895b63d1867f95d6de407945e9776113b7b5bd69b2098b8c", kill_on_drop: false }` [INFO] [stdout] fa6528b6f0d809b8895b63d1867f95d6de407945e9776113b7b5bd69b2098b8c