[INFO] cloning repository https://github.com/eltondornelas/alabs-live [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eltondornelas/alabs-live" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feltondornelas%2Falabs-live", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feltondornelas%2Falabs-live'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f8d85fb87d6194a088729fefa0751cb80b3d4353 [INFO] checking eltondornelas/alabs-live against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feltondornelas%2Falabs-live" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/eltondornelas/alabs-live [INFO] finished tweaking git repo https://github.com/eltondornelas/alabs-live [INFO] tweaked toml for git repo https://github.com/eltondornelas/alabs-live written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/eltondornelas/alabs-live on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/eltondornelas/alabs-live 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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6466433c9b52369e7164e13233941a6a69e66b8c2e5ab402d4b96787b4496c99 [INFO] running `Command { std: "docker" "start" "-a" "6466433c9b52369e7164e13233941a6a69e66b8c2e5ab402d4b96787b4496c99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6466433c9b52369e7164e13233941a6a69e66b8c2e5ab402d4b96787b4496c99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6466433c9b52369e7164e13233941a6a69e66b8c2e5ab402d4b96787b4496c99", kill_on_drop: false }` [INFO] [stdout] 6466433c9b52369e7164e13233941a6a69e66b8c2e5ab402d4b96787b4496c99 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 03bd734d14db5eedea76766bde2187cdbac2c1677122934ce5e7bde2c72360bd [INFO] running `Command { std: "docker" "start" "-a" "03bd734d14db5eedea76766bde2187cdbac2c1677122934ce5e7bde2c72360bd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling serde_json v1.0.142 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Checking hashbrown v0.15.4 [INFO] [stderr] Compiling openssl-src v300.5.1+3.5.1 [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Compiling thiserror v2.0.15 [INFO] [stderr] Compiling thiserror-impl v2.0.15 [INFO] [stderr] Compiling zerofrom v0.1.6 [INFO] [stderr] Compiling smallvec v1.15.0 [INFO] [stderr] Compiling openssl-sys v0.9.109 [INFO] [stderr] Compiling openssl v0.10.73 [INFO] [stderr] Checking sha2 v0.10.9 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Checking icu_normalizer v2.0.0 [INFO] [stderr] Compiling yoke v0.8.0 [INFO] [stderr] Compiling libsqlite3-sys v0.30.1 [INFO] [stderr] Compiling foldhash v0.1.5 [INFO] [stderr] Compiling zerovec v0.11.2 [INFO] [stderr] Compiling zerotrie v0.2.2 [INFO] [stderr] Checking idna_adapter v1.2.1 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Checking indexmap v2.10.0 [INFO] [stderr] Checking idna v1.0.3 [INFO] [stderr] Compiling bitflags v2.9.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking url v2.5.4 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking socket2 v0.6.0 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking mio v1.0.3 [INFO] [stderr] Checking signal-hook-registry v1.4.5 [INFO] [stderr] Checking tokio v1.47.1 [INFO] [stderr] Checking crc32fast v1.5.0 [INFO] [stderr] Compiling tinystr v0.8.1 [INFO] [stderr] Compiling potential_utf v0.1.2 [INFO] [stderr] Compiling native-tls v0.2.14 [INFO] [stderr] Compiling concurrent-queue v2.5.0 [INFO] [stderr] Compiling icu_collections v2.0.0 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Compiling icu_locale_core v2.0.0 [INFO] [stderr] Compiling openssl-probe v0.1.6 [INFO] [stderr] Compiling parking v2.2.1 [INFO] [stderr] Compiling futures-intrusive v0.5.0 [INFO] [stderr] Compiling event-listener v5.4.1 [INFO] [stderr] Compiling hashlink v0.10.0 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Compiling crossbeam-queue v0.3.12 [INFO] [stderr] Compiling icu_provider v2.0.0 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling icu_properties v2.0.1 [INFO] [stderr] Compiling multer v3.1.0 [INFO] [stderr] Compiling base64 v0.22.1 [INFO] [stderr] Compiling flume v0.11.1 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Compiling atoi v2.0.0 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking crc v3.3.0 [INFO] [stderr] Checking serde_path_to_error v0.1.17 [INFO] [stderr] Checking axum-core v0.5.2 [INFO] [stderr] Checking rayon v1.11.0 [INFO] [stderr] Compiling equator-macro v0.4.2 [INFO] [stderr] Checking getrandom v0.3.3 [INFO] [stderr] Compiling virtue v0.0.18 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Compiling bytemuck_derive v1.10.1 [INFO] [stderr] Checking unty v0.0.4 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Compiling profiling-procmacros v1.0.17 [INFO] [stderr] Checking equator v0.4.2 [INFO] [stderr] Checking flate2 v1.1.2 [INFO] [stderr] Checking rand v0.9.2 [INFO] [stderr] Checking aligned-vec v0.6.4 [INFO] [stderr] Checking profiling v1.0.17 [INFO] [stderr] Checking itertools v0.12.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling bincode_derive v2.0.1 [INFO] [stderr] Checking v_frame v0.3.9 [INFO] [stderr] Compiling num-derive v0.4.2 [INFO] [stderr] Checking maybe-rayon v0.1.1 [INFO] [stderr] Compiling arg_enum_proc_macro v0.3.4 [INFO] [stderr] Compiling simd_helpers v0.1.0 [INFO] [stderr] Checking bytemuck v1.23.2 [INFO] [stderr] Checking uuid v1.18.0 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking avif-serialize v0.8.5 [INFO] [stderr] Checking authentication v0.1.0 (/opt/rustwide/workdir/session1/authentication) [INFO] [stderr] Checking bincode v2.0.1 [INFO] [stderr] Checking half v2.6.0 [INFO] [stderr] Checking jpeg-decoder v0.3.2 [INFO] [stderr] Checking png v0.17.16 [INFO] [stderr] Checking image-webp v0.2.3 [INFO] [stderr] Checking av1-grain v0.2.4 [INFO] [stderr] Checking zune-jpeg v0.4.20 [INFO] [stderr] Checking qoi v0.4.1 [INFO] [stderr] Checking exr v1.73.0 [INFO] [stderr] Compiling clap_derive v4.5.32 [INFO] [stderr] Checking tiff v0.9.1 [INFO] [stderr] Checking shared_data v0.1.0 (/opt/rustwide/workdir/session6/shared_data) [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking thread_local v1.1.9 [INFO] [stderr] Checking dashmap v6.1.0 [INFO] [stderr] Checking core_affinity v0.8.3 [INFO] [stderr] Checking thread-priority v1.2.0 [INFO] [stderr] Checking memmap2 v0.9.7 [INFO] [stderr] Checking sysinfo v0.36.1 [INFO] [stderr] Checking tracing-subscriber v0.3.19 [INFO] [stderr] Checking rav1e v0.7.1 [INFO] [stderr] Checking file_read v0.1.0 (/opt/rustwide/workdir/bonus/file_read) [INFO] [stderr] Checking priority v0.1.0 (/opt/rustwide/workdir/session2/priority) [INFO] [stdout] warning: unused import: `std::fs::read_to_string` [INFO] [stdout] --> bonus/file_read/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs::read_to_string; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::read_to_string` [INFO] [stdout] --> bonus/file_read/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs::read_to_string; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking affinity v0.1.0 (/opt/rustwide/workdir/session2/affinity) [INFO] [stdout] warning: static `HIGH_COUNT` is never used [INFO] [stdout] --> session2/priority/src/main.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | static HIGH_COUNT: AtomicI32 = AtomicI32::new(0); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `HIGH_COUNT` is never used [INFO] [stdout] --> session2/priority/src/main.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | static HIGH_COUNT: AtomicI32 = AtomicI32::new(0); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tokio-stream v0.1.17 [INFO] [stderr] Checking dashing v0.1.0 (/opt/rustwide/workdir/session2/dashing) [INFO] [stderr] Checking tokio-util v0.7.16 [INFO] [stderr] Checking tower v0.5.2 [INFO] [stderr] Checking fileio v0.1.0 (/opt/rustwide/workdir/session3/fileio) [INFO] [stdout] warning: function `read_lines` is never used [INFO] [stdout] --> session3/fileio/src/main.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn read_lines

(filename: P) -> io::Result>> [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `line_count` is never used [INFO] [stdout] --> session3/fileio/src/main.rs:42:10 [INFO] [stdout] | [INFO] [stdout] 42 | async fn line_count(filename: String) -> anyhow::Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tcp_server v0.1.0 (/opt/rustwide/workdir/session3/tcp_server) [INFO] [stdout] warning: function `read_lines` is never used [INFO] [stdout] --> session3/fileio/src/main.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn read_lines

(filename: P) -> io::Result>> [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `line_count` is never used [INFO] [stdout] --> session3/fileio/src/main.rs:42:10 [INFO] [stdout] | [INFO] [stdout] 42 | async fn line_count(filename: String) -> anyhow::Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking errors v0.1.0 (/opt/rustwide/workdir/session3/errors) [INFO] [stderr] Checking tokio_testing v0.1.0 (/opt/rustwide/workdir/session3/tokio_testing) [INFO] [stderr] Checking channels v0.1.0 (/opt/rustwide/workdir/session3/channels) [INFO] [stderr] Checking tokio_select v0.1.0 (/opt/rustwide/workdir/session3/tokio_select) [INFO] [stdout] warning: function `double` is never used [INFO] [stdout] --> session3/tokio_testing/src/lib.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | async fn double(n: u32) -> u32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `UsersError` is never used [INFO] [stdout] --> session3/errors/src/main.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | enum UsersError { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `User` is never constructed [INFO] [stdout] --> session3/errors/src/main.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `GenericResult` is never used [INFO] [stdout] --> session3/errors/src/main.rs:28:6 [INFO] [stdout] | [INFO] [stdout] 28 | type GenericResult = std::result::Result>; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `load_users` is never used [INFO] [stdout] --> session3/errors/src/main.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn load_users() -> Result, UsersError> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking async_mutex v0.1.0 (/opt/rustwide/workdir/session3/async_mutex) [INFO] [stderr] Checking tower-http v0.6.6 [INFO] [stderr] Checking hello_tokio v0.1.0 (/opt/rustwide/workdir/session3/hello_tokio) [INFO] [stderr] Checking tokio_select2 v0.1.0 (/opt/rustwide/workdir/session3/tokio_select2) [INFO] [stderr] Checking blocking v0.1.0 (/opt/rustwide/workdir/session3/blocking) [INFO] [stderr] Checking collector v0.1.0 (/opt/rustwide/workdir/session6/collector) [INFO] [stderr] Checking h2 v0.4.11 [INFO] [stderr] Checking hello_tokio2 v0.1.0 (/opt/rustwide/workdir/session3/hello_tokio2) [INFO] [stdout] warning: function `hello2` is never used [INFO] [stdout] --> session3/hello_tokio2/src/main.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | async fn hello2() -> u32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking recursion v0.1.0 (/opt/rustwide/workdir/session3/recursion) [INFO] [stdout] warning: enum `UsersError` is never used [INFO] [stdout] --> session3/errors/src/main.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | enum UsersError { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `User` is never constructed [INFO] [stdout] --> session3/errors/src/main.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `GenericResult` is never used [INFO] [stdout] --> session3/errors/src/main.rs:28:6 [INFO] [stdout] | [INFO] [stdout] 28 | type GenericResult = std::result::Result>; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `load_users` is never used [INFO] [stdout] --> session3/errors/src/main.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn load_users() -> Result, UsersError> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking login v0.1.0 (/opt/rustwide/workdir/session1/login) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> session3/recursion/src/main.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | let mut future = async { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling sqlx-core v0.8.6 [INFO] [stdout] warning: function `hello2` is never used [INFO] [stdout] --> session3/hello_tokio2/src/main.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | async fn hello2() -> u32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> session3/recursion/src/main.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | let mut future = async { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking bytes v0.1.0 (/opt/rustwide/workdir/session5/bytes) [INFO] [stderr] Checking favor_iterators v0.1.0 (/opt/rustwide/workdir/bonus/favor_iterators) [INFO] [stderr] Checking logspan v0.1.0 (/opt/rustwide/workdir/session4/logspan) [INFO] [stdout] warning: unused import: `std::ops::Index` [INFO] [stdout] --> bonus/favor_iterators/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ops::Index; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> bonus/favor_iterators/src/main.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | let mut v = vec!["one".to_string(), "two".to_string()]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> bonus/favor_iterators/src/main.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 98 | let mut v = vec!["one".to_string(), "two".to_string()]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rayon_scopes v0.1.0 (/opt/rustwide/workdir/session2/rayon_scopes) [INFO] [stdout] warning: unused import: `std::ops::Index` [INFO] [stdout] --> bonus/favor_iterators/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ops::Index; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> bonus/favor_iterators/src/main.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | let mut v = vec!["one".to_string(), "two".to_string()]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> bonus/favor_iterators/src/main.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 98 | let mut v = vec!["one".to_string(), "two".to_string()]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rayon_iters v0.1.0 (/opt/rustwide/workdir/session2/rayon_iters) [INFO] [stderr] Checking workers2 v0.1.0 (/opt/rustwide/workdir/session2/workers2) [INFO] [stdout] warning: function `test` is never used [INFO] [stdout] --> session2/rayon_scopes/src/main.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking hello_async v0.1.0 (/opt/rustwide/workdir/session3/hello_async) [INFO] [stdout] warning: function `test` is never used [INFO] [stdout] --> session2/rayon_scopes/src/main.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking memory v0.1.0 (/opt/rustwide/workdir/session5/memory) [INFO] [stderr] Checking rwlocks v0.1.0 (/opt/rustwide/workdir/session2/rwlocks) [INFO] [stderr] Checking ffi v0.1.0 (/opt/rustwide/workdir/session5/ffi) [INFO] [stderr] Checking thread_builder v0.1.0 (/opt/rustwide/workdir/session2/thread_builder) [INFO] [stderr] Checking hello_world v0.1.0 (/opt/rustwide/workdir/session1/hello_world) [INFO] [stderr] Checking memory_fragmentation v0.1.0 (/opt/rustwide/workdir/session5/memory_fragmentation) [INFO] [stderr] Checking traits v0.1.0 (/opt/rustwide/workdir/session5/traits) [INFO] [stderr] Checking dropping_raii v0.1.0 (/opt/rustwide/workdir/session5/dropping_raii) [INFO] [stderr] Checking workers v0.1.0 (/opt/rustwide/workdir/session2/workers) [INFO] [stderr] Checking generics v0.1.0 (/opt/rustwide/workdir/session5/generics) [INFO] [stdout] warning: trait `DowncastableAnimal` is never used [INFO] [stdout] --> session5/traits/src/main.rs:36:11 [INFO] [stdout] | [INFO] [stdout] 36 | trait DowncastableAnimal { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Tortoise` is never constructed [INFO] [stdout] --> session5/traits/src/main.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | struct Tortoise; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking channels1 v0.1.0 (/opt/rustwide/workdir/session2/channels1) [INFO] [stderr] Checking iterators v0.1.0 (/opt/rustwide/workdir/session5/iterators) [INFO] [stderr] Checking alab-live v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> session5/generics/src/main.rs:3:34 [INFO] [stdout] | [INFO] [stdout] 3 | fn just_print_it(x: T, y: U) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking scope_threads v0.1.0 (/opt/rustwide/workdir/session2/scope_threads) [INFO] [stdout] warning: unused variable: `behind_you_radians` [INFO] [stdout] --> session5/generics/src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let behind_you_radians = Radians::from(behind_you); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_behind_you_radians` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `behind_you_radians2` [INFO] [stdout] --> session5/generics/src/main.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let behind_you_radians2: Radians = Degrees(180.0).into(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_behind_you_radians2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generics_example_1` is never used [INFO] [stdout] --> session5/generics/src/main.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn generics_example_1() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generics_example_2` is never used [INFO] [stdout] --> session5/generics/src/main.rs:15:4 [INFO] [stdout] | [INFO] [stdout] 15 | fn generics_example_2() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> session5/generics/src/main.rs:85:17 [INFO] [stdout] | [INFO] [stdout] 85 | fn iter(&self) -> HashMapBucketIter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 85 | fn iter(&self) -> HashMapBucketIter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking best v0.1.0 (/opt/rustwide/workdir/bonus/best) [INFO] [stderr] Checking cycles v0.1.0 (/opt/rustwide/workdir/session5/cycles) [INFO] [stderr] Checking divide_work v0.1.0 (/opt/rustwide/workdir/session2/divide_work) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> session5/dropping_raii/src/main.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | fn move_me(x: MyStruct) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> session5/dropping_raii/src/main.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let y = MyStruct::new(2); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `has_drop` [INFO] [stdout] --> session5/dropping_raii/src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let has_drop = HasDroppables { x: MyStruct::new(4) }; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_drop` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `x` is never read [INFO] [stdout] --> session5/dropping_raii/src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct HasDroppables { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 6 | x: MyStruct, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking dropping v0.1.0 (/opt/rustwide/workdir/session5/dropping) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> bonus/best/src/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | for i in 0..17 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking hello v0.1.0 (/opt/rustwide/workdir/session2/hello) [INFO] [stderr] Checking refc v0.1.0 (/opt/rustwide/workdir/session5/refc) [INFO] [stdout] warning: function `cycle_problem_example` is never used [INFO] [stdout] --> session5/cycles/src/main.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn cycle_problem_example() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> session5/cycles/src/main.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 48 | Strong(Rc), // strong reference/pointer [INFO] [stdout] | ------ ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `NextNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 48 - Strong(Rc), // strong reference/pointer [INFO] [stdout] 48 + Strong(()), // strong reference/pointer [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> session5/cycles/src/main.rs:49:10 [INFO] [stdout] | [INFO] [stdout] 49 | Weak(Weak), // creating a weak link [INFO] [stdout] | ---- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `NextNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 49 - Weak(Weak), // creating a weak link [INFO] [stdout] 49 + Weak(()), // creating a weak link [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking lifetimes v0.1.0 (/opt/rustwide/workdir/session5/lifetimes) [INFO] [stderr] Checking mutexes v0.1.0 (/opt/rustwide/workdir/session2/mutexes) [INFO] [stderr] Checking clap v4.5.37 [INFO] [stdout] warning: unused variable: `my_num` [INFO] [stdout] --> session5/dropping/src/main.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | let my_num = Box::new(12); // does samething of the "SmartPointer" [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `arc_example_3` is never used [INFO] [stdout] --> session5/refc/src/main.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn arc_example_3() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> session5/refc/src/main.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl SharedData { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 9 | fn new(s: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `arc_example_2` is never used [INFO] [stdout] --> session5/refc/src/main.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn arc_example_2() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `arc_example_1` is never used [INFO] [stdout] --> session5/refc/src/main.rs:55:4 [INFO] [stdout] | [INFO] [stdout] 55 | fn arc_example_1() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> session5/refc/src/main.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 59 | impl Droppable { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 60 | fn new(n: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rc_example` is never used [INFO] [stdout] --> session5/refc/src/main.rs:100:4 [INFO] [stdout] | [INFO] [stdout] 100 | fn rc_example() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> session5/refc/src/main.rs:107:12 [INFO] [stdout] | [INFO] [stdout] 106 | impl Droppable { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 107 | fn new(n: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking deadlocks v0.1.0 (/opt/rustwide/workdir/session2/deadlocks) [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> session5/lifetimes/src/main.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | fn borrow<'a>(i: &'a i32, j: &'a i32) -> &'a i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `borrow` is never used [INFO] [stdout] --> session5/lifetimes/src/main.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn borrow<'a>(i: &'a i32, j: &'a i32) -> &'a i32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> session5/generics/src/main.rs:3:34 [INFO] [stdout] | [INFO] [stdout] 3 | fn just_print_it(x: T, y: U) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `behind_you_radians` [INFO] [stdout] --> session5/generics/src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let behind_you_radians = Radians::from(behind_you); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_behind_you_radians` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `behind_you_radians2` [INFO] [stdout] --> session5/generics/src/main.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let behind_you_radians2: Radians = Degrees(180.0).into(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_behind_you_radians2` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking packing v0.1.0 (/opt/rustwide/workdir/session5/packing) [INFO] [stderr] Checking variables v0.1.0 (/opt/rustwide/workdir/session1/variables) [INFO] [stdout] warning: function `generics_example_1` is never used [INFO] [stdout] --> session5/generics/src/main.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn generics_example_1() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `DowncastableAnimal` is never used [INFO] [stdout] --> session5/traits/src/main.rs:36:11 [INFO] [stdout] | [INFO] [stdout] 36 | trait DowncastableAnimal { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Tortoise` is never constructed [INFO] [stdout] --> session5/traits/src/main.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | struct Tortoise; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generics_example_2` is never used [INFO] [stdout] --> session5/generics/src/main.rs:15:4 [INFO] [stdout] | [INFO] [stdout] 15 | fn generics_example_2() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> session5/generics/src/main.rs:85:17 [INFO] [stdout] | [INFO] [stdout] 85 | fn iter(&self) -> HashMapBucketIter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 85 | fn iter(&self) -> HashMapBucketIter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_shared` [INFO] [stdout] --> session2/deadlocks/src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let my_shared = Mutex::new(0); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_shared` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking footgun v0.1.0 (/opt/rustwide/workdir/session2/footgun) [INFO] [stderr] Checking parking v0.1.0 (/opt/rustwide/workdir/session2/parking) [INFO] [stdout] warning: function `hello_thread` is never used [INFO] [stdout] --> session2/hello/src/main.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn hello_thread(n: u32) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking login_manager v0.1.0 (/opt/rustwide/workdir/session1/login_manager) [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> session1/variables/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `double_or_nothing` is never used [INFO] [stdout] --> session1/variables/src/main.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn double_or_nothing(n: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `greet` is never used [INFO] [stdout] --> session1/variables/src/main.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn greet(s: String) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `greet_borrow` is never used [INFO] [stdout] --> session1/variables/src/main.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn greet_borrow(s: &String) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `greet_borrow_mut` is never used [INFO] [stdout] --> session1/variables/src/main.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn greet_borrow_mut(s: &mut String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cycle_problem_example` is never used [INFO] [stdout] --> session5/cycles/src/main.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn cycle_problem_example() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> session5/cycles/src/main.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 48 | Strong(Rc), // strong reference/pointer [INFO] [stdout] | ------ ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `NextNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 48 - Strong(Rc), // strong reference/pointer [INFO] [stdout] 48 + Strong(()), // strong reference/pointer [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> session5/cycles/src/main.rs:49:10 [INFO] [stdout] | [INFO] [stdout] 49 | Weak(Weak), // creating a weak link [INFO] [stdout] | ---- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `NextNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 49 - Weak(Weak), // creating a weak link [INFO] [stdout] 49 + Weak(()), // creating a weak link [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `a` is never read [INFO] [stdout] --> session5/packing/src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | struct OneByte { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 2 | a: u8, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `a` is never read [INFO] [stdout] --> session5/packing/src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct TwoBytes { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 6 | a: u16, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `a` is never read [INFO] [stdout] --> session5/packing/src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | struct FourBytes { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 19 | a: u32, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> session1/variables/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `double_or_nothing` is never used [INFO] [stdout] --> session1/variables/src/main.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn double_or_nothing(n: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `greet` is never used [INFO] [stdout] --> session1/variables/src/main.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn greet(s: String) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `greet_borrow` is never used [INFO] [stdout] --> session1/variables/src/main.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn greet_borrow(s: &String) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `greet_borrow_mut` is never used [INFO] [stdout] --> session1/variables/src/main.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn greet_borrow_mut(s: &mut String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `arc_example_3` is never used [INFO] [stdout] --> session5/refc/src/main.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn arc_example_3() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> session5/refc/src/main.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl SharedData { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 9 | fn new(s: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `arc_example_2` is never used [INFO] [stdout] --> session5/refc/src/main.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn arc_example_2() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `arc_example_1` is never used [INFO] [stdout] --> session5/refc/src/main.rs:55:4 [INFO] [stdout] | [INFO] [stdout] 55 | fn arc_example_1() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> session5/refc/src/main.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 59 | impl Droppable { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 60 | fn new(n: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rc_example` is never used [INFO] [stdout] --> session5/refc/src/main.rs:100:4 [INFO] [stdout] | [INFO] [stdout] 100 | fn rc_example() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> session5/refc/src/main.rs:107:12 [INFO] [stdout] | [INFO] [stdout] 106 | impl Droppable { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 107 | fn new(n: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `a` is never read [INFO] [stdout] --> session5/packing/src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | struct OneByte { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 2 | a: u8, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `a` is never read [INFO] [stdout] --> session5/packing/src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct TwoBytes { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 6 | a: u16, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `a` is never read [INFO] [stdout] --> session5/packing/src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | struct FourBytes { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 19 | a: u32, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hello_thread` is never used [INFO] [stdout] --> session2/hello/src/main.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn hello_thread(n: u32) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> bonus/best/src/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | for i in 0..17 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `N` is never used [INFO] [stdout] --> bonus/best/src/main.rs:17:15 [INFO] [stdout] | [INFO] [stdout] 17 | const N:i32 = 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_num` [INFO] [stdout] --> session5/dropping/src/main.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | let my_num = Box::new(12); // does samething of the "SmartPointer" [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_shared` [INFO] [stdout] --> session2/deadlocks/src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let my_shared = Mutex::new(0); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_shared` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> session5/lifetimes/src/main.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | fn borrow<'a>(i: &'a i32, j: &'a i32) -> &'a i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `borrow` is never used [INFO] [stdout] --> session5/lifetimes/src/main.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn borrow<'a>(i: &'a i32, j: &'a i32) -> &'a i32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> session5/dropping_raii/src/main.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | fn move_me(x: MyStruct) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> session5/dropping_raii/src/main.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let y = MyStruct::new(2); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `has_drop` [INFO] [stdout] --> session5/dropping_raii/src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let has_drop = HasDroppables { x: MyStruct::new(4) }; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_drop` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `x` is never read [INFO] [stdout] --> session5/dropping_raii/src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct HasDroppables { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 6 | x: MyStruct, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling sqlx-sqlite v0.8.6 [INFO] [stderr] Checking hyper v1.6.0 [INFO] [stderr] Checking ravif v0.11.20 [INFO] [stderr] Checking image v0.25.6 [INFO] [stderr] Checking hyper-util v0.1.16 [INFO] [stderr] Compiling sqlx-macros-core v0.8.6 [INFO] [stderr] Checking axum v0.8.4 [INFO] [stderr] Compiling sqlx-macros v0.8.6 [INFO] [stderr] Checking file_adapt v0.1.0 (/opt/rustwide/workdir/bonus/file_adapt) [INFO] [stderr] Checking web_service v0.1.0 (/opt/rustwide/workdir/session4/web_service) [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking hyper-tls v0.6.0 [INFO] [stderr] Checking reqwest v0.12.22 [INFO] [stderr] Checking rest_client v0.1.0 (/opt/rustwide/workdir/session3/rest_client) [INFO] [stdout] warning: struct `Weather` is never constructed [INFO] [stdout] --> session3/rest_client/src/main.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Weather { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CurrentWeather` is never constructed [INFO] [stdout] --> session3/rest_client/src/main.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct CurrentWeather { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Weather` is never constructed [INFO] [stdout] --> session3/rest_client/src/main.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Weather { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CurrentWeather` is never constructed [INFO] [stdout] --> session3/rest_client/src/main.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct CurrentWeather { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking sqlx v0.8.6 [INFO] [stderr] Checking server v0.1.0 (/opt/rustwide/workdir/session6/server) [INFO] [stderr] Checking db v0.1.0 (/opt/rustwide/workdir/session4/db) [INFO] [stderr] Checking thumbs v0.1.0 (/opt/rustwide/workdir/session4/thumbs) [INFO] [stdout] warning: unused import: `Row` [INFO] [stdout] --> session4/db/src/main.rs:2:21 [INFO] [stdout] | [INFO] [stdout] 2 | use sqlx::{FromRow, Row}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Row` [INFO] [stdout] --> session4/db/src/main.rs:2:21 [INFO] [stdout] | [INFO] [stdout] 2 | use sqlx::{FromRow, Row}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `message` are never read [INFO] [stdout] --> session4/db/src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct Message { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 6 | id: i64, [INFO] [stdout] | ^^ [INFO] [stdout] 7 | message: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `message` are never read [INFO] [stdout] --> session4/db/src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct Message { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 6 | id: i64, [INFO] [stdout] | ^^ [INFO] [stdout] 7 | message: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 22s [INFO] running `Command { std: "docker" "inspect" "03bd734d14db5eedea76766bde2187cdbac2c1677122934ce5e7bde2c72360bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03bd734d14db5eedea76766bde2187cdbac2c1677122934ce5e7bde2c72360bd", kill_on_drop: false }` [INFO] [stdout] 03bd734d14db5eedea76766bde2187cdbac2c1677122934ce5e7bde2c72360bd