[INFO] cloning repository https://github.com/GrossBetruger/ArithMaster [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GrossBetruger/ArithMaster" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrossBetruger%2FArithMaster", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrossBetruger%2FArithMaster'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 81ad766bfc9613340712bad8d9d5b237db408a94 [INFO] checking GrossBetruger/ArithMaster against master#cced03bfd61a304243a34504618ecec86c17063f for pr-157082 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrossBetruger%2FArithMaster" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/GrossBetruger/ArithMaster [INFO] finished tweaking git repo https://github.com/GrossBetruger/ArithMaster [INFO] tweaked toml for git repo https://github.com/GrossBetruger/ArithMaster written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/GrossBetruger/ArithMaster on toolchain cced03bfd61a304243a34504618ecec86c17063f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/GrossBetruger/ArithMaster 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" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `arithmaster` (manifest) generated 1 warning [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded termcolor v1.0.4 [INFO] [stderr] Downloaded colored v1.6.1 [INFO] [stderr] Downloaded wincolor v1.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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] cb75520a1c24249659f11b851030dd6df39bd20935ef6147e0816fa0e50631b3 [INFO] running `Command { std: "docker" "start" "cb75520a1c24249659f11b851030dd6df39bd20935ef6147e0816fa0e50631b3", 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" "cb75520a1c24249659f11b851030dd6df39bd20935ef6147e0816fa0e50631b3" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cb75520a1c24249659f11b851030dd6df39bd20935ef6147e0816fa0e50631b3", 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" "cb75520a1c24249659f11b851030dd6df39bd20935ef6147e0816fa0e50631b3" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `arithmaster` (manifest) generated 1 warning [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Checking colored v1.6.1 [INFO] [stderr] Checking rand_xorshift v0.1.0 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking arithmaster v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/main.rs:326:21 [INFO] [stdout] | [INFO] [stdout] 326 | format!("\n{} in a row! {}\n", streak, praise); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 326 | let _ = format!("\n{} in a row! {}\n", streak, praise); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/main.rs:326:21 [INFO] [stdout] | [INFO] [stdout] 326 | format!("\n{} in a row! {}\n", streak, praise); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 326 | let _ = format!("\n{} in a row! {}\n", streak, praise); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.33s [INFO] running `Command { std: "docker" "inspect" "cb75520a1c24249659f11b851030dd6df39bd20935ef6147e0816fa0e50631b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb75520a1c24249659f11b851030dd6df39bd20935ef6147e0816fa0e50631b3", kill_on_drop: false }` [INFO] [stdout] cb75520a1c24249659f11b851030dd6df39bd20935ef6147e0816fa0e50631b3