[INFO] cloning repository https://github.com/roesnera/rust_variables [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/roesnera/rust_variables" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froesnera%2Frust_variables", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froesnera%2Frust_variables'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5f85ca8a0985a7156524f354eaa591e90d1db640 [INFO] checking roesnera/rust_variables against master#9c3064e131f4939cc95a29bb11413c49bbda1491 for pr-144098 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froesnera%2Frust_variables" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/roesnera/rust_variables [INFO] finished tweaking git repo https://github.com/roesnera/rust_variables [INFO] tweaked toml for git repo https://github.com/roesnera/rust_variables written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/roesnera/rust_variables on toolchain 9c3064e131f4939cc95a29bb11413c49bbda1491 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/roesnera/rust_variables 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" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "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-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6ef1057d8194ee9107dc3d01869c005291cb02ef43345a7eef36abd16f10edbd [INFO] running `Command { std: "docker" "start" "-a" "6ef1057d8194ee9107dc3d01869c005291cb02ef43345a7eef36abd16f10edbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6ef1057d8194ee9107dc3d01869c005291cb02ef43345a7eef36abd16f10edbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ef1057d8194ee9107dc3d01869c005291cb02ef43345a7eef36abd16f10edbd", kill_on_drop: false }` [INFO] [stdout] 6ef1057d8194ee9107dc3d01869c005291cb02ef43345a7eef36abd16f10edbd [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" "-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a4ee5a8ed60340cd54129f546adbced2e7f5ed318c135ac918181facbe838680 [INFO] running `Command { std: "docker" "start" "-a" "a4ee5a8ed60340cd54129f546adbced2e7f5ed318c135ac918181facbe838680", kill_on_drop: false }` [INFO] [stderr] Checking variables v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `unsigned_num` [INFO] [stdout] --> src/main.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let unsigned_num: u32 = 13; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unsigned_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | let (w, x, y, z) = tuple; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:39:16 [INFO] [stdout] | [INFO] [stdout] 39 | let (w, x, y, z) = tuple; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z` [INFO] [stdout] --> src/main.rs:39:19 [INFO] [stdout] | [INFO] [stdout] 39 | let (w, x, y, z) = tuple; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_array` [INFO] [stdout] --> src/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let my_array = [1, 2, 3, 4, 5]; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_array` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other_array` [INFO] [stdout] --> src/main.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | let other_array = [3; 4]; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_array` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `guess_array` [INFO] [stdout] --> src/main.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let guess_array = [1..=10]; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_guess_array` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `unsigned_num` [INFO] [stdout] --> src/main.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let unsigned_num: u32 = 13; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unsigned_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | let (w, x, y, z) = tuple; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:39:16 [INFO] [stdout] | [INFO] [stdout] 39 | let (w, x, y, z) = tuple; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z` [INFO] [stdout] --> src/main.rs:39:19 [INFO] [stdout] | [INFO] [stdout] 39 | let (w, x, y, z) = tuple; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_array` [INFO] [stdout] --> src/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let my_array = [1, 2, 3, 4, 5]; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_array` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other_array` [INFO] [stdout] --> src/main.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | let other_array = [3; 4]; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_array` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `guess_array` [INFO] [stdout] --> src/main.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let guess_array = [1..=10]; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_guess_array` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] running `Command { std: "docker" "inspect" "a4ee5a8ed60340cd54129f546adbced2e7f5ed318c135ac918181facbe838680", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4ee5a8ed60340cd54129f546adbced2e7f5ed318c135ac918181facbe838680", kill_on_drop: false }` [INFO] [stdout] a4ee5a8ed60340cd54129f546adbced2e7f5ed318c135ac918181facbe838680