[INFO] cloning repository https://github.com/codad5/learning-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codad5/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodad5%2Flearning-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodad5%2Flearning-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 71859d8049299c2418c1702f46b23df4b08a85c3 [INFO] building codad5/learning-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%2Fcodad5%2Flearning-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/codad5/learning-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/codad5/learning-rust [INFO] finished tweaking git repo https://github.com/codad5/learning-rust [INFO] tweaked toml for git repo https://github.com/codad5/learning-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/codad5/learning-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3489ce0c0130f2117423d913e516002f1256e46107c0323bc4372cfaeff5efe7 [INFO] running `Command { std: "docker" "start" "-a" "3489ce0c0130f2117423d913e516002f1256e46107c0323bc4372cfaeff5efe7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3489ce0c0130f2117423d913e516002f1256e46107c0323bc4372cfaeff5efe7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3489ce0c0130f2117423d913e516002f1256e46107c0323bc4372cfaeff5efe7", kill_on_drop: false }` [INFO] [stdout] 3489ce0c0130f2117423d913e516002f1256e46107c0323bc4372cfaeff5efe7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7c65533ab623a52b36f9a4758b19bbb2c943da64fbb9dd29942231119f2f151d [INFO] running `Command { std: "docker" "start" "-a" "7c65533ab623a52b36f9a4758b19bbb2c943da64fbb9dd29942231119f2f151d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.142 [INFO] [stderr] Compiling getrandom v0.2.9 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling learning-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `range` [INFO] [stdout] --> src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let range = 2..30; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_range` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MAX_NUM` is never used [INFO] [stdout] --> src/main.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | const MAX_NUM : u32 = 300; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_a_multiple_of` is never used [INFO] [stdout] --> src/topic/conditionals.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn is_a_multiple_of(numerator : i32, denominator : i32) -> bool [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_even` is never used [INFO] [stdout] --> src/topic/conditionals.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn is_even(number: i32) -> bool [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_even_number_from` is never used [INFO] [stdout] --> src/topic/loops.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn print_even_number_from(from : i32, end : i32) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_odd_num_lesser_than` is never used [INFO] [stdout] --> src/topic/loops.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn print_odd_num_lesser_than(num: usize) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `count_words` is never used [INFO] [stdout] --> src/topic/loops.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn count_words(words : &Vec<&str>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_range` is never used [INFO] [stdout] --> src/topic/loops.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn print_range(min: usize, max: usize) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Direction` is never used [INFO] [stdout] --> src/topic/enums.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | pub enum Direction { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `whats_is_player_direction` is never used [INFO] [stdout] --> src/topic/enums.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn whats_is_player_direction(players_direction : Direction) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `age` and `gender` are never read [INFO] [stdout] --> src/topic/using_structs/human.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Human<'a> { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 3 | pub name: String, [INFO] [stdout] 4 | pub age : u32, [INFO] [stdout] | ^^^ [INFO] [stdout] 5 | pub gender : &'a str, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `can_drink` and `reset_age` are never used [INFO] [stdout] --> src/topic/using_structs/human.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl<'a> Human<'a> { [INFO] [stdout] | ------------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn can_drink(&self) -> bool [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | fn reset_age (&mut self) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.67s [INFO] running `Command { std: "docker" "inspect" "7c65533ab623a52b36f9a4758b19bbb2c943da64fbb9dd29942231119f2f151d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c65533ab623a52b36f9a4758b19bbb2c943da64fbb9dd29942231119f2f151d", kill_on_drop: false }` [INFO] [stdout] 7c65533ab623a52b36f9a4758b19bbb2c943da64fbb9dd29942231119f2f151d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 890361ff5014c426638e3947953bcbfa758b1390b0056b3bce7457c94a6c2ca1 [INFO] running `Command { std: "docker" "start" "-a" "890361ff5014c426638e3947953bcbfa758b1390b0056b3bce7457c94a6c2ca1", kill_on_drop: false }` [INFO] [stderr] Compiling learning-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `range` [INFO] [stdout] --> src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let range = 2..30; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_range` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MAX_NUM` is never used [INFO] [stdout] --> src/main.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | const MAX_NUM : u32 = 300; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_a_multiple_of` is never used [INFO] [stdout] --> src/topic/conditionals.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn is_a_multiple_of(numerator : i32, denominator : i32) -> bool [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_even` is never used [INFO] [stdout] --> src/topic/conditionals.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn is_even(number: i32) -> bool [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_even_number_from` is never used [INFO] [stdout] --> src/topic/loops.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn print_even_number_from(from : i32, end : i32) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_odd_num_lesser_than` is never used [INFO] [stdout] --> src/topic/loops.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn print_odd_num_lesser_than(num: usize) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `count_words` is never used [INFO] [stdout] --> src/topic/loops.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn count_words(words : &Vec<&str>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_range` is never used [INFO] [stdout] --> src/topic/loops.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn print_range(min: usize, max: usize) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Direction` is never used [INFO] [stdout] --> src/topic/enums.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | pub enum Direction { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `whats_is_player_direction` is never used [INFO] [stdout] --> src/topic/enums.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn whats_is_player_direction(players_direction : Direction) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `age` and `gender` are never read [INFO] [stdout] --> src/topic/using_structs/human.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Human<'a> { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 3 | pub name: String, [INFO] [stdout] 4 | pub age : u32, [INFO] [stdout] | ^^^ [INFO] [stdout] 5 | pub gender : &'a str, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `can_drink` and `reset_age` are never used [INFO] [stdout] --> src/topic/using_structs/human.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl<'a> Human<'a> { [INFO] [stdout] | ------------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn can_drink(&self) -> bool [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | fn reset_age (&mut self) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "890361ff5014c426638e3947953bcbfa758b1390b0056b3bce7457c94a6c2ca1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "890361ff5014c426638e3947953bcbfa758b1390b0056b3bce7457c94a6c2ca1", kill_on_drop: false }` [INFO] [stdout] 890361ff5014c426638e3947953bcbfa758b1390b0056b3bce7457c94a6c2ca1