[INFO] cloning repository https://github.com/BrokenShell/rust_dice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BrokenShell/rust_dice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrokenShell%2Frust_dice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrokenShell%2Frust_dice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f78407a350eb9481bccb276af8e690e50d77e00f
[INFO] building BrokenShell/rust_dice 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%2FBrokenShell%2Frust_dice" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BrokenShell/rust_dice 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/BrokenShell/rust_dice
[INFO] finished tweaking git repo https://github.com/BrokenShell/rust_dice
[INFO] tweaked toml for git repo https://github.com/BrokenShell/rust_dice written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BrokenShell/rust_dice 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cute v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1f4c4debb8188ea00f8c0515e83d04e769c30a87e7327dadc3a2d5cb215d252c
[INFO] running `Command { std: "docker" "start" "-a" "1f4c4debb8188ea00f8c0515e83d04e769c30a87e7327dadc3a2d5cb215d252c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f4c4debb8188ea00f8c0515e83d04e769c30a87e7327dadc3a2d5cb215d252c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f4c4debb8188ea00f8c0515e83d04e769c30a87e7327dadc3a2d5cb215d252c", kill_on_drop: false }`
[INFO] [stdout] 1f4c4debb8188ea00f8c0515e83d04e769c30a87e7327dadc3a2d5cb215d252c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 67674b4879a3bae8718ddf2a4f3029d77078c11cc4223d4a79a2309f914cb3c6
[INFO] running `Command { std: "docker" "start" "-a" "67674b4879a3bae8718ddf2a4f3029d77078c11cc4223d4a79a2309f914cb3c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cute v0.3.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rust_dice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/dice.rs:15:36
[INFO] [stdout]    |
[INFO] [stdout] 15 |     return c![d(sides) as i16, for i in 0..rolls].iter().sum();
[INFO] [stdout]    |                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: `i` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/dice.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     return c![d(sides) as i16, for i in 0..rolls].iter().sum();
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `c` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/dice.rs:20:35
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut vector = c![d(6), for i in 0..power];
[INFO] [stdout]    |                                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: `i` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/dice.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut vector = c![d(6), for i in 0..power];
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: this warning originates in the macro `c` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "67674b4879a3bae8718ddf2a4f3029d77078c11cc4223d4a79a2309f914cb3c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67674b4879a3bae8718ddf2a4f3029d77078c11cc4223d4a79a2309f914cb3c6", kill_on_drop: false }`
[INFO] [stdout] 67674b4879a3bae8718ddf2a4f3029d77078c11cc4223d4a79a2309f914cb3c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8ae7b2a29137ffe37fe1e4ecb69f35f2368eeb714f3d6c5c320d7eda3c771532
[INFO] running `Command { std: "docker" "start" "-a" "8ae7b2a29137ffe37fe1e4ecb69f35f2368eeb714f3d6c5c320d7eda3c771532", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_dice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/dice.rs:15:36
[INFO] [stdout]    |
[INFO] [stdout] 15 |     return c![d(sides) as i16, for i in 0..rolls].iter().sum();
[INFO] [stdout]    |                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: `i` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/dice.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     return c![d(sides) as i16, for i in 0..rolls].iter().sum();
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `c` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/dice.rs:20:35
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut vector = c![d(6), for i in 0..power];
[INFO] [stdout]    |                                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: `i` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/dice.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut vector = c![d(6), for i in 0..power];
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: this warning originates in the macro `c` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "8ae7b2a29137ffe37fe1e4ecb69f35f2368eeb714f3d6c5c320d7eda3c771532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ae7b2a29137ffe37fe1e4ecb69f35f2368eeb714f3d6c5c320d7eda3c771532", kill_on_drop: false }`
[INFO] [stdout] 8ae7b2a29137ffe37fe1e4ecb69f35f2368eeb714f3d6c5c320d7eda3c771532