[INFO] cloning repository https://github.com/mackoctavian/ultimate_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mackoctavian/ultimate_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmackoctavian%2Fultimate_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmackoctavian%2Fultimate_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 23ee1f17c5b6f65466e0bb2e70f82b08e2e3c99d [INFO] checking mackoctavian/ultimate_rust against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmackoctavian%2Fultimate_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/mackoctavian/ultimate_rust on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mackoctavian/ultimate_rust [INFO] finished tweaking git repo https://github.com/mackoctavian/ultimate_rust [INFO] tweaked toml for git repo https://github.com/mackoctavian/ultimate_rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mackoctavian/ultimate_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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4dfce28e2eb8e47a06f91ee66d8c7cde3be6cf5473eed07745cdbfa448cab8f3 [INFO] running `Command { std: "docker" "start" "-a" "4dfce28e2eb8e47a06f91ee66d8c7cde3be6cf5473eed07745cdbfa448cab8f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4dfce28e2eb8e47a06f91ee66d8c7cde3be6cf5473eed07745cdbfa448cab8f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4dfce28e2eb8e47a06f91ee66d8c7cde3be6cf5473eed07745cdbfa448cab8f3", kill_on_drop: false }` [INFO] [stdout] 4dfce28e2eb8e47a06f91ee66d8c7cde3be6cf5473eed07745cdbfa448cab8f3 [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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6d92243eb587f184311843a6115e67ad8cd4f4c1bcf7d10414f61b0c6efec7ed [INFO] running `Command { std: "docker" "start" "-a" "6d92243eb587f184311843a6115e67ad8cd4f4c1bcf7d10414f61b0c6efec7ed", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.85 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling serde v1.0.203 [INFO] [stderr] Compiling serde_json v1.0.117 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking cpufeatures v0.2.12 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Checking anstyle-parse v0.2.4 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking anstyle-query v1.1.0 [INFO] [stderr] Checking is_terminal_polyfill v1.70.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking anstyle v1.0.7 [INFO] [stderr] Checking colorchoice v1.0.1 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Checking anstream v0.6.14 [INFO] [stderr] Checking clap_lex v0.7.0 [INFO] [stderr] Checking strsim v0.11.1 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking bytes v1.6.1 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Checking mio v1.0.1 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking clap_builder v4.5.2 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking variables v0.1.0 (/opt/rustwide/workdir/session1/variables) [INFO] [stderr] Checking mutexes v0.1.0 (/opt/rustwide/workdir/session2/mutexes) [INFO] [stderr] Checking rwlock v0.1.0 (/opt/rustwide/workdir/session2/rwlock) [INFO] [stdout] warning: unused variable: `m` [INFO] [stdout] --> session1/variables/src/main.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let m = m + 1; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> session1/variables/src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let n = { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> session1/variables/src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let n = { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking divide_work v0.1.0 (/opt/rustwide/workdir/session2/divide_work) [INFO] [stdout] warning: unused import: `atomic::AtomicU32` [INFO] [stdout] --> session2/mutexes/src/main.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{sync::{atomic::AtomicU32, Mutex}, thread}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `NO` is never used [INFO] [stdout] --> session2/mutexes/src/main.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | static mut NO: i32 = 0; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_atomics` is never used [INFO] [stdout] --> session2/mutexes/src/main.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn test_atomics() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> session2/divide_work/src/main.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | for i in 0..5 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking hello v0.1.0 (/opt/rustwide/workdir/session2/hello) [INFO] [stdout] warning: unused variable: `sum` [INFO] [stdout] --> session2/divide_work/src/main.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 97 | let sum = thread::scope(|c| { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking hello_word v0.1.0 (/opt/rustwide/workdir/session1/hello_word) [INFO] [stdout] warning: function `single_thread` is never used [INFO] [stdout] --> session2/divide_work/src/main.rs:39:4 [INFO] [stdout] | [INFO] [stdout] 39 | fn single_thread() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `thread1` is never used [INFO] [stdout] --> session2/divide_work/src/main.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn thread1(n: u32) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `multiple_thread` is never used [INFO] [stdout] --> session2/divide_work/src/main.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | fn multiple_thread() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `my_thread` is never used [INFO] [stdout] --> session2/divide_work/src/main.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn my_thread() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `chunk_example` is never used [INFO] [stdout] --> session2/divide_work/src/main.rs:72:4 [INFO] [stdout] | [INFO] [stdout] 72 | fn chunk_example() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `scoped_threads` is never used [INFO] [stdout] --> session2/divide_work/src/main.rs:92:4 [INFO] [stdout] | [INFO] [stdout] 92 | fn scoped_threads() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking ultimate_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking closures v0.1.0 (/opt/rustwide/workdir/misc/closures) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> session2/divide_work/src/main.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | for i in 0..5 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sum` [INFO] [stdout] --> session2/divide_work/src/main.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 97 | let sum = thread::scope(|c| { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `single_thread` is never used [INFO] [stdout] --> session2/divide_work/src/main.rs:39:4 [INFO] [stdout] | [INFO] [stdout] 39 | fn single_thread() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `thread1` is never used [INFO] [stdout] --> session2/divide_work/src/main.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn thread1(n: u32) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `multiple_thread` is never used [INFO] [stdout] --> session2/divide_work/src/main.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | fn multiple_thread() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `my_thread` is never used [INFO] [stdout] --> session2/divide_work/src/main.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn my_thread() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `chunk_example` is never used [INFO] [stdout] --> session2/divide_work/src/main.rs:72:4 [INFO] [stdout] | [INFO] [stdout] 72 | fn chunk_example() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `scoped_threads` is never used [INFO] [stdout] --> session2/divide_work/src/main.rs:92:4 [INFO] [stdout] | [INFO] [stdout] 92 | fn scoped_threads() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking footgun v0.1.0 (/opt/rustwide/workdir/session2/footgun) [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hello_thread` is never used [INFO] [stdout] --> session2/hello/src/main.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn hello_thread(n: u32) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking functions v0.1.0 (/opt/rustwide/workdir/session1/functions) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> session1/functions/src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let n = if i == 5 { 6 } else { 7 }; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `double_or_nothing` is never used [INFO] [stdout] --> session1/functions/src/main.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn double_or_nothing(n: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `m` [INFO] [stdout] --> session1/variables/src/main.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let m = m + 1; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> session1/variables/src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let n = { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> session1/variables/src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let n = { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hello_thread` is never used [INFO] [stdout] --> session2/hello/src/main.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn hello_thread(n: u32) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `atomic::AtomicU32` [INFO] [stdout] --> session2/mutexes/src/main.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{sync::{atomic::AtomicU32, Mutex}, thread}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> session1/functions/src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let n = if i == 5 { 6 } else { 7 }; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `double_or_nothing` is never used [INFO] [stdout] --> session1/functions/src/main.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn double_or_nothing(n: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `NO` is never used [INFO] [stdout] --> session2/mutexes/src/main.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | static mut NO: i32 = 0; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_atomics` is never used [INFO] [stdout] --> session2/mutexes/src/main.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn test_atomics() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Compiling serde_derive v1.0.203 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling clap_derive v4.5.4 [INFO] [stderr] Checking tokio v1.39.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking clap v4.5.4 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking hello_async v0.1.0 (/opt/rustwide/workdir/session3/hello_async) [INFO] [stdout] warning: unused import: `join` [INFO] [stdout] --> session3/hello_async/src/main.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::future::{join, join_all}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `join` [INFO] [stdout] --> session3/hello_async/src/main.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::future::{join, join_all}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> session3/hello_async/src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let result = join_all(futures).await; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> session3/hello_async/src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let result = join_all(futures).await; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking hello_tokio v0.1.0 (/opt/rustwide/workdir/session3/hello_tokio) [INFO] [stderr] Checking authentication v0.1.0 (/opt/rustwide/workdir/session1/authentication) [INFO] [stderr] Checking login v0.1.0 (/opt/rustwide/workdir/session1/login) [INFO] [stderr] Checking login_manager v0.1.0 (/opt/rustwide/workdir/session1/login_manager) [INFO] [stdout] warning: unused variable: `tries` [INFO] [stdout] --> session1/login/src/main.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | let mut tries = 0; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_tries` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tries` [INFO] [stdout] --> session1/login/src/main.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | let mut tries = 0; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_tries` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> session1/login/src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let mut tries = 0; [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] --> session1/login/src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let mut tries = 0; [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.45s [INFO] running `Command { std: "docker" "inspect" "6d92243eb587f184311843a6115e67ad8cd4f4c1bcf7d10414f61b0c6efec7ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d92243eb587f184311843a6115e67ad8cd4f4c1bcf7d10414f61b0c6efec7ed", kill_on_drop: false }` [INFO] [stdout] 6d92243eb587f184311843a6115e67ad8cd4f4c1bcf7d10414f61b0c6efec7ed