[INFO] cloning repository https://github.com/Higunio320/MatrixMultiplication [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Higunio320/MatrixMultiplication" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHigunio320%2FMatrixMultiplication", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHigunio320%2FMatrixMultiplication'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1928abf4215c7f72a8e8cbb8daf4f2d0f17bacf5 [INFO] checking Higunio320/MatrixMultiplication/1928abf4215c7f72a8e8cbb8daf4f2d0f17bacf5 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHigunio320%2FMatrixMultiplication" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Higunio320/MatrixMultiplication on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Higunio320/MatrixMultiplication [INFO] finished tweaking git repo https://github.com/Higunio320/MatrixMultiplication [INFO] tweaked toml for git repo https://github.com/Higunio320/MatrixMultiplication written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Higunio320/MatrixMultiplication 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ebf742c4031c87a14f7c56f73ab53a0b05bbb73a1053bc08a48797e139be3625 [INFO] running `Command { std: "docker" "start" "-a" "ebf742c4031c87a14f7c56f73ab53a0b05bbb73a1053bc08a48797e139be3625", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ebf742c4031c87a14f7c56f73ab53a0b05bbb73a1053bc08a48797e139be3625", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebf742c4031c87a14f7c56f73ab53a0b05bbb73a1053bc08a48797e139be3625", kill_on_drop: false }` [INFO] [stdout] ebf742c4031c87a14f7c56f73ab53a0b05bbb73a1053bc08a48797e139be3625 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 048ab5bc06887161abe5fad6553a7e2aa6778055575f157bb7cefc88a41baeed [INFO] running `Command { std: "docker" "start" "-a" "048ab5bc06887161abe5fad6553a7e2aa6778055575f157bb7cefc88a41baeed", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling zerocopy v0.8.0-alpha.6 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.9.0-alpha.1 [INFO] [stderr] Checking rand_chacha v0.9.0-alpha.1 [INFO] [stderr] Checking rand v0.9.0-alpha.1 [INFO] [stderr] Checking mm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `gen_random` is never used [INFO] [stdout] --> src/matrix.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 39 | impl Matrix { [INFO] [stdout] | ---------------- associated function in this implementation [INFO] [stdout] 40 | pub fn gen_random(rows: usize, columns: usize, min_val: f32, max_val: f32) -> Result, String> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_vec` is never used [INFO] [stdout] --> src/matrix.rs:102:12 [INFO] [stdout] | [INFO] [stdout] 92 | impl Matrix { [INFO] [stdout] | -------------------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 102 | pub fn from_vec(vector: Vec<&str>) -> Result, String> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.51s [INFO] running `Command { std: "docker" "inspect" "048ab5bc06887161abe5fad6553a7e2aa6778055575f157bb7cefc88a41baeed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "048ab5bc06887161abe5fad6553a7e2aa6778055575f157bb7cefc88a41baeed", kill_on_drop: false }` [INFO] [stdout] 048ab5bc06887161abe5fad6553a7e2aa6778055575f157bb7cefc88a41baeed