[INFO] cloning repository https://github.com/retroso/Multiplication_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/retroso/Multiplication_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretroso%2FMultiplication_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretroso%2FMultiplication_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 745b26880f76e2cc02e3b2cf15f3e417e583bf33
[INFO] building retroso/Multiplication_game/745b26880f76e2cc02e3b2cf15f3e417e583bf33 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%2Fretroso%2FMultiplication_game" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  76% (675/882)
Updating files:  77% (680/882)
Updating files:  78% (688/882)
Updating files:  79% (697/882)
Updating files:  80% (706/882)
Updating files:  81% (715/882)
Updating files:  82% (724/882)
Updating files:  83% (733/882)
Updating files:  84% (741/882)
Updating files:  85% (750/882)
Updating files:  86% (759/882)
Updating files:  87% (768/882)
Updating files:  88% (777/882)
Updating files:  89% (785/882)
Updating files:  90% (794/882)
Updating files:  91% (803/882)
Updating files:  92% (812/882)
Updating files:  93% (821/882)
Updating files:  94% (830/882)
Updating files:  95% (838/882)
Updating files:  96% (847/882)
Updating files:  97% (856/882)
Updating files:  98% (865/882)
Updating files:  99% (874/882)
Updating files: 100% (882/882)
Updating files: 100% (882/882), done.
[INFO] validating manifest of git repo https://github.com/retroso/Multiplication_game 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] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/retroso/Multiplication_game
[INFO] finished tweaking git repo https://github.com/retroso/Multiplication_game
[INFO] tweaked toml for git repo https://github.com/retroso/Multiplication_game written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/retroso/Multiplication_game 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c5eae30ce9067c1d6132f936563664fd25038855e1f2a45a8e6039c233772ffb
[INFO] running `Command { std: "docker" "start" "-a" "c5eae30ce9067c1d6132f936563664fd25038855e1f2a45a8e6039c233772ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5eae30ce9067c1d6132f936563664fd25038855e1f2a45a8e6039c233772ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5eae30ce9067c1d6132f936563664fd25038855e1f2a45a8e6039c233772ffb", kill_on_drop: false }`
[INFO] [stdout] c5eae30ce9067c1d6132f936563664fd25038855e1f2a45a8e6039c233772ffb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2d9820c7611ff3d261981298fd73e8b20c887ebc93983e8f0347824185c35e7c
[INFO] running `Command { std: "docker" "start" "-a" "2d9820c7611ff3d261981298fd73e8b20c887ebc93983e8f0347824185c35e7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling my-project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/main.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     drop(user_number);
[INFO] [stdout]    |     ^^^^^-----------^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          argument has type `i32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 58 -     drop(user_number);
[INFO] [stdout] 58 +     let _ = user_number;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `Command { std: "docker" "inspect" "2d9820c7611ff3d261981298fd73e8b20c887ebc93983e8f0347824185c35e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d9820c7611ff3d261981298fd73e8b20c887ebc93983e8f0347824185c35e7c", kill_on_drop: false }`
[INFO] [stdout] 2d9820c7611ff3d261981298fd73e8b20c887ebc93983e8f0347824185c35e7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b765b8b8067a51dabbcd5a369bb4c99cdf68c8844449bd6841afb3e5b94280c7
[INFO] running `Command { std: "docker" "start" "-a" "b765b8b8067a51dabbcd5a369bb4c99cdf68c8844449bd6841afb3e5b94280c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling my-project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/main.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     drop(user_number);
[INFO] [stdout]    |     ^^^^^-----------^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          argument has type `i32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 58 -     drop(user_number);
[INFO] [stdout] 58 +     let _ = user_number;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "b765b8b8067a51dabbcd5a369bb4c99cdf68c8844449bd6841afb3e5b94280c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b765b8b8067a51dabbcd5a369bb4c99cdf68c8844449bd6841afb3e5b94280c7", kill_on_drop: false }`
[INFO] [stdout] b765b8b8067a51dabbcd5a369bb4c99cdf68c8844449bd6841afb3e5b94280c7