[INFO] cloning repository https://github.com/LegWinters/sodoku_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LegWinters/sodoku_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegWinters%2Fsodoku_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegWinters%2Fsodoku_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 403f6a263295c0b5494390c44fc0f1127e8e5ef1
[INFO] building LegWinters/sodoku_rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegWinters%2Fsodoku_rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LegWinters/sodoku_rust on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LegWinters/sodoku_rust
[INFO] finished tweaking git repo https://github.com/LegWinters/sodoku_rust
[INFO] tweaked toml for git repo https://github.com/LegWinters/sodoku_rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LegWinters/sodoku_rust 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26e3c6b76b852ba135564befe77841bf9d0bb3f60885f73099596d639f1b1027
[INFO] running `Command { std: "docker" "start" "-a" "26e3c6b76b852ba135564befe77841bf9d0bb3f60885f73099596d639f1b1027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26e3c6b76b852ba135564befe77841bf9d0bb3f60885f73099596d639f1b1027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e3c6b76b852ba135564befe77841bf9d0bb3f60885f73099596d639f1b1027", kill_on_drop: false }`
[INFO] [stdout] 26e3c6b76b852ba135564befe77841bf9d0bb3f60885f73099596d639f1b1027
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3805718cff6ad1b35625c5810f5e6e27bba41f51dbeae9ab26c6f1933a921304
[INFO] running `Command { std: "docker" "start" "-a" "3805718cff6ad1b35625c5810f5e6e27bba41f51dbeae9ab26c6f1933a921304", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling sodoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `puzzle` and `steps` are never read
[INFO] [stdout]  --> src/sudoku/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub struct Sudoku {
[INFO] [stdout]   |                ------ fields in this struct
[INFO] [stdout] 4 |         puzzle: Vec<u32>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 5 |         steps: u32,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Sudoku` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.61s
[INFO] running `Command { std: "docker" "inspect" "3805718cff6ad1b35625c5810f5e6e27bba41f51dbeae9ab26c6f1933a921304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3805718cff6ad1b35625c5810f5e6e27bba41f51dbeae9ab26c6f1933a921304", kill_on_drop: false }`
[INFO] [stdout] 3805718cff6ad1b35625c5810f5e6e27bba41f51dbeae9ab26c6f1933a921304
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa2cbb21d0eca0f1e06e01433ec285cca85e40a5fcdfb154e8fa498dd49d9ffb
[INFO] running `Command { std: "docker" "start" "-a" "fa2cbb21d0eca0f1e06e01433ec285cca85e40a5fcdfb154e8fa498dd49d9ffb", kill_on_drop: false }`
[INFO] [stderr]    Compiling sodoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `puzzle` and `steps` are never read
[INFO] [stdout]  --> src/sudoku/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub struct Sudoku {
[INFO] [stdout]   |                ------ fields in this struct
[INFO] [stdout] 4 |         puzzle: Vec<u32>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 5 |         steps: u32,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Sudoku` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "fa2cbb21d0eca0f1e06e01433ec285cca85e40a5fcdfb154e8fa498dd49d9ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2cbb21d0eca0f1e06e01433ec285cca85e40a5fcdfb154e8fa498dd49d9ffb", kill_on_drop: false }`
[INFO] [stdout] fa2cbb21d0eca0f1e06e01433ec285cca85e40a5fcdfb154e8fa498dd49d9ffb