[INFO] cloning repository https://github.com/Velocifero1052/white_belt_Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Velocifero1052/white_belt_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVelocifero1052%2Fwhite_belt_Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVelocifero1052%2Fwhite_belt_Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ff4a6949590ff4e4a3b1dc4119a290d759aa7a4b [INFO] building Velocifero1052/white_belt_Rust 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%2FVelocifero1052%2Fwhite_belt_Rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Velocifero1052/white_belt_Rust 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/Velocifero1052/white_belt_Rust [INFO] finished tweaking git repo https://github.com/Velocifero1052/white_belt_Rust [INFO] tweaked toml for git repo https://github.com/Velocifero1052/white_belt_Rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Velocifero1052/white_belt_Rust 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] Downloading crates ... [INFO] [stderr] Downloaded text_io v0.1.12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a5959da66dfa65144bec9bfe8ba40e3f8a8ea918539f5a82e4eba9cfaed2d3f8 [INFO] running `Command { std: "docker" "start" "-a" "a5959da66dfa65144bec9bfe8ba40e3f8a8ea918539f5a82e4eba9cfaed2d3f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a5959da66dfa65144bec9bfe8ba40e3f8a8ea918539f5a82e4eba9cfaed2d3f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5959da66dfa65144bec9bfe8ba40e3f8a8ea918539f5a82e4eba9cfaed2d3f8", kill_on_drop: false }` [INFO] [stdout] a5959da66dfa65144bec9bfe8ba40e3f8a8ea918539f5a82e4eba9cfaed2d3f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 22d6f64752d572082f78507c214f55979ac7046aac4ec3286d54a1a57595864d [INFO] running `Command { std: "docker" "start" "-a" "22d6f64752d572082f78507c214f55979ac7046aac4ec3286d54a1a57595864d", kill_on_drop: false }` [INFO] [stderr] Compiling text_io v0.1.12 [INFO] [stderr] Compiling white_belt_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `word` is never read [INFO] [stdout] --> src/solutions.rs:75:13 [INFO] [stdout] | [INFO] [stdout] 75 | let mut word = String::new(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/solutions.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | let mut n:i32; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/solutions.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | let mut size_of_vector:i32; [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `square_root_resolver` is never used [INFO] [stdout] --> src/solutions.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn square_root_resolver(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `so_called_impossible` is never used [INFO] [stdout] --> src/solutions.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn so_called_impossible(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `price_calculations` is never used [INFO] [stdout] --> src/solutions.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn price_calculations(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_even_numbers` is never used [INFO] [stdout] --> src/solutions.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn print_even_numbers(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `second_occurrence_of_f` is never used [INFO] [stdout] --> src/solutions.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn second_occurrence_of_f(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gcd` is never used [INFO] [stdout] --> src/solutions.rs:94:8 [INFO] [stdout] | [INFO] [stdout] 94 | pub fn gcd(a: i32, b: i32) -> i32{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `convert_to_binary_string` is never used [INFO] [stdout] --> src/solutions.rs:101:8 [INFO] [stdout] | [INFO] [stdout] 101 | pub fn convert_to_binary_string(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "22d6f64752d572082f78507c214f55979ac7046aac4ec3286d54a1a57595864d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22d6f64752d572082f78507c214f55979ac7046aac4ec3286d54a1a57595864d", kill_on_drop: false }` [INFO] [stdout] 22d6f64752d572082f78507c214f55979ac7046aac4ec3286d54a1a57595864d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c4c9337482ce28d6e03b4f5220bac15edbe9e77b7c39b7df2c9e940b618c685b [INFO] running `Command { std: "docker" "start" "-a" "c4c9337482ce28d6e03b4f5220bac15edbe9e77b7c39b7df2c9e940b618c685b", kill_on_drop: false }` [INFO] [stderr] Compiling white_belt_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `word` is never read [INFO] [stdout] --> src/solutions.rs:75:13 [INFO] [stdout] | [INFO] [stdout] 75 | let mut word = String::new(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/solutions.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | let mut n:i32; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/solutions.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | let mut size_of_vector:i32; [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `square_root_resolver` is never used [INFO] [stdout] --> src/solutions.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn square_root_resolver(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `so_called_impossible` is never used [INFO] [stdout] --> src/solutions.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn so_called_impossible(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `price_calculations` is never used [INFO] [stdout] --> src/solutions.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn price_calculations(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_even_numbers` is never used [INFO] [stdout] --> src/solutions.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn print_even_numbers(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `second_occurrence_of_f` is never used [INFO] [stdout] --> src/solutions.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn second_occurrence_of_f(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gcd` is never used [INFO] [stdout] --> src/solutions.rs:94:8 [INFO] [stdout] | [INFO] [stdout] 94 | pub fn gcd(a: i32, b: i32) -> i32{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `convert_to_binary_string` is never used [INFO] [stdout] --> src/solutions.rs:101:8 [INFO] [stdout] | [INFO] [stdout] 101 | pub fn convert_to_binary_string(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s [INFO] running `Command { std: "docker" "inspect" "c4c9337482ce28d6e03b4f5220bac15edbe9e77b7c39b7df2c9e940b618c685b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4c9337482ce28d6e03b4f5220bac15edbe9e77b7c39b7df2c9e940b618c685b", kill_on_drop: false }` [INFO] [stdout] c4c9337482ce28d6e03b4f5220bac15edbe9e77b7c39b7df2c9e940b618c685b