[INFO] cloning repository https://github.com/SCIMTA/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/SCIMTA/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSCIMTA%2Flearning-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSCIMTA%2Flearning-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1d35ddd5f551209ca2d87eed24161bbbcd60f43a [INFO] building SCIMTA/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%2FSCIMTA%2Flearning-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SCIMTA/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/SCIMTA/learning-rust [INFO] finished tweaking git repo https://github.com/SCIMTA/learning-rust [INFO] tweaked toml for git repo https://github.com/SCIMTA/learning-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/SCIMTA/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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ef72340b57b246a2ceffa882c68d142a2360c0681e6eab38a0c39b3f561183ae [INFO] running `Command { std: "docker" "start" "-a" "ef72340b57b246a2ceffa882c68d142a2360c0681e6eab38a0c39b3f561183ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef72340b57b246a2ceffa882c68d142a2360c0681e6eab38a0c39b3f561183ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef72340b57b246a2ceffa882c68d142a2360c0681e6eab38a0c39b3f561183ae", kill_on_drop: false }` [INFO] [stdout] ef72340b57b246a2ceffa882c68d142a2360c0681e6eab38a0c39b3f561183ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 40e4c04f5ee6d9848dfe8fdc8d4832f15a8b552c8913cc0db16d038c00d97ab7 [INFO] running `Command { std: "docker" "start" "-a" "40e4c04f5ee6d9848dfe8fdc8d4832f15a8b552c8913cc0db16d038c00d97ab7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling getrandom v0.2.6 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling class1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `bai1` is never used [INFO] [stdout] --> src/buoi1.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn bai1() { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bai2` is never used [INFO] [stdout] --> src/buoi1.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn bai2() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bai1` is never used [INFO] [stdout] --> src/buoi2.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn bai1() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `change_value` is never used [INFO] [stdout] --> src/buoi2.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn change_value(input: u32, output: &mut u32) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bai2` is never used [INFO] [stdout] --> src/buoi2.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn bai2() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `num_is_prime` is never used [INFO] [stdout] --> src/buoi2.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn num_is_prime(num: u64) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bai3` is never used [INFO] [stdout] --> src/buoi2.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn bai3() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bai4` is never used [INFO] [stdout] --> src/buoi2.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 70 | pub fn bai4() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `revert_array` is never used [INFO] [stdout] --> src/buoi2.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn revert_array(mut a: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `School` is never constructed [INFO] [stdout] --> src/buoi3.rs:74:12 [INFO] [stdout] | [INFO] [stdout] 74 | pub struct School { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add`, `grades`, and `grade` are never used [INFO] [stdout] --> src/buoi3.rs:80:12 [INFO] [stdout] | [INFO] [stdout] 79 | impl School { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 80 | pub fn new() -> School { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | pub fn add(&mut self, grade: u32, student: &str) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 90 | pub fn grades(&self) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 101 | pub fn grade(&self, grade: u32) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `baitap` is never used [INFO] [stdout] --> src/buoi3.rs:112:8 [INFO] [stdout] | [INFO] [stdout] 112 | pub fn baitap() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Fibonacci` is never constructed [INFO] [stdout] --> src/buoi4.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | struct Fibonacci { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fibonacci_numbers` is never used [INFO] [stdout] --> src/buoi4.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn fibonacci_numbers() -> Fibonacci { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bai1` is never used [INFO] [stdout] --> src/buoi4.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn bai1() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `vec_Foo` should have a snake case name [INFO] [stdout] --> src/buoi4.rs:95:9 [INFO] [stdout] | [INFO] [stdout] 95 | let vec_Foo = StrDisplayable(vec); [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `vec_foo` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.48s [INFO] running `Command { std: "docker" "inspect" "40e4c04f5ee6d9848dfe8fdc8d4832f15a8b552c8913cc0db16d038c00d97ab7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40e4c04f5ee6d9848dfe8fdc8d4832f15a8b552c8913cc0db16d038c00d97ab7", kill_on_drop: false }` [INFO] [stdout] 40e4c04f5ee6d9848dfe8fdc8d4832f15a8b552c8913cc0db16d038c00d97ab7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a283a84670b711d75fd9a61ba6b4cd7cda0b75255f29bb9a3e5adfaf621dc68c [INFO] running `Command { std: "docker" "start" "-a" "a283a84670b711d75fd9a61ba6b4cd7cda0b75255f29bb9a3e5adfaf621dc68c", kill_on_drop: false }` [INFO] [stderr] Compiling class1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `bai1` is never used [INFO] [stdout] --> src/buoi1.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn bai1() { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bai2` is never used [INFO] [stdout] --> src/buoi1.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn bai2() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bai1` is never used [INFO] [stdout] --> src/buoi2.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn bai1() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `change_value` is never used [INFO] [stdout] --> src/buoi2.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn change_value(input: u32, output: &mut u32) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bai2` is never used [INFO] [stdout] --> src/buoi2.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn bai2() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `num_is_prime` is never used [INFO] [stdout] --> src/buoi2.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn num_is_prime(num: u64) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bai3` is never used [INFO] [stdout] --> src/buoi2.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn bai3() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bai4` is never used [INFO] [stdout] --> src/buoi2.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 70 | pub fn bai4() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `revert_array` is never used [INFO] [stdout] --> src/buoi2.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn revert_array(mut a: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `School` is never constructed [INFO] [stdout] --> src/buoi3.rs:74:12 [INFO] [stdout] | [INFO] [stdout] 74 | pub struct School { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add`, `grades`, and `grade` are never used [INFO] [stdout] --> src/buoi3.rs:80:12 [INFO] [stdout] | [INFO] [stdout] 79 | impl School { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 80 | pub fn new() -> School { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | pub fn add(&mut self, grade: u32, student: &str) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 90 | pub fn grades(&self) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 101 | pub fn grade(&self, grade: u32) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `baitap` is never used [INFO] [stdout] --> src/buoi3.rs:112:8 [INFO] [stdout] | [INFO] [stdout] 112 | pub fn baitap() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Fibonacci` is never constructed [INFO] [stdout] --> src/buoi4.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | struct Fibonacci { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fibonacci_numbers` is never used [INFO] [stdout] --> src/buoi4.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn fibonacci_numbers() -> Fibonacci { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bai1` is never used [INFO] [stdout] --> src/buoi4.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn bai1() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `vec_Foo` should have a snake case name [INFO] [stdout] --> src/buoi4.rs:95:9 [INFO] [stdout] | [INFO] [stdout] 95 | let vec_Foo = StrDisplayable(vec); [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `vec_foo` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] running `Command { std: "docker" "inspect" "a283a84670b711d75fd9a61ba6b4cd7cda0b75255f29bb9a3e5adfaf621dc68c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a283a84670b711d75fd9a61ba6b4cd7cda0b75255f29bb9a3e5adfaf621dc68c", kill_on_drop: false }` [INFO] [stdout] a283a84670b711d75fd9a61ba6b4cd7cda0b75255f29bb9a3e5adfaf621dc68c