[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 master#fe7294f8793d001bc3f9d197e7cdef6cdb46c15a for pr-153912 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feltondornelas%2Falabs-live" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/eltondornelas/alabs-live on toolchain fe7294f8793d001bc3f9d197e7cdef6cdb46c15a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe7294f8793d001bc3f9d197e7cdef6cdb46c15a" "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" "+fe7294f8793d001bc3f9d197e7cdef6cdb46c15a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded windows-registry v0.5.3 [INFO] [stderr] Downloaded av1-grain v0.2.4 [INFO] [stderr] Downloaded core_affinity v0.8.3 [INFO] [stderr] Downloaded serde_path_to_error v0.1.17 [INFO] [stderr] Downloaded zune-jpeg v0.4.20 [INFO] [stderr] Downloaded avif-serialize v0.8.5 [INFO] [stderr] Downloaded thread-priority v1.2.0 [INFO] [stderr] Downloaded ravif v0.11.20 [INFO] [stderr] Downloaded image-webp v0.2.3 [INFO] [stderr] Downloaded clap v4.5.37 [INFO] [stderr] Downloaded tokio-util v0.7.16 [INFO] [stderr] Downloaded h2 v0.4.11 [INFO] [stderr] Downloaded clap_builder v4.5.37 [INFO] [stderr] Downloaded reqwest v0.12.22 [INFO] [stderr] Downloaded objc2-io-kit v0.3.1 [INFO] [stderr] Downloaded openssl-src v300.5.1+3.5.1 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+fe7294f8793d001bc3f9d197e7cdef6cdb46c15a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ebecb5b4e613c53dcc3b9070d774670a59541eae6b9b06619f13be88be410536 [INFO] running `Command { std: "docker" "start" "-a" "ebecb5b4e613c53dcc3b9070d774670a59541eae6b9b06619f13be88be410536", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ebecb5b4e613c53dcc3b9070d774670a59541eae6b9b06619f13be88be410536", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebecb5b4e613c53dcc3b9070d774670a59541eae6b9b06619f13be88be410536", kill_on_drop: false }` [INFO] [stdout] ebecb5b4e613c53dcc3b9070d774670a59541eae6b9b06619f13be88be410536 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+fe7294f8793d001bc3f9d197e7cdef6cdb46c15a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 35151ab172dbe5c77df83d97830769efd9778c4310ae22e21ad71c8b79de6942 [INFO] running `Command { std: "docker" "start" "-a" "35151ab172dbe5c77df83d97830769efd9778c4310ae22e21ad71c8b79de6942", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Checking smallvec v1.15.0 [INFO] [stderr] Checking bytes v1.10.1 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Compiling serde_json v1.0.142 [INFO] [stderr] Compiling typenum v1.18.0 [INFO] [stderr] Compiling cc v1.2.30 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling icu_properties_data v2.0.1 [INFO] [stderr] Compiling icu_normalizer_data v2.0.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling anyhow v1.0.99 [INFO] [stderr] Checking hashbrown v0.15.4 [INFO] [stderr] Checking bitflags v2.9.0 [INFO] [stderr] Compiling thiserror v2.0.15 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking litemap v0.8.0 [INFO] [stderr] Checking writeable v0.6.1 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling pin-project-lite v0.2.16 [INFO] [stderr] Compiling openssl v0.10.73 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Checking http v1.3.1 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Checking indexmap v2.10.0 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking sync_wrapper v1.0.2 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Compiling rustversion v1.0.20 [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling allocator-api2 v0.2.21 [INFO] [stderr] Checking generic-array v0.14.7 [INFO] [stderr] Compiling openssl-src v300.5.1+3.5.1 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking mio v1.0.3 [INFO] [stderr] Checking socket2 v0.6.0 [INFO] [stderr] Checking signal-hook-registry v1.4.5 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Compiling crc32fast v1.5.0 [INFO] [stderr] Compiling foldhash v0.1.5 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Checking encoding_rs v0.8.35 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] 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v0.11.1 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Checking simd-adler32 v0.3.7 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Checking crc-catalog v2.4.0 [INFO] [stderr] Compiling dotenvy v0.15.7 [INFO] [stderr] Checking atoi v2.0.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking adler2 v2.0.0 [INFO] [stderr] Compiling virtue v0.0.18 [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Compiling built v0.7.7 [INFO] [stderr] Checking miniz_oxide v0.8.8 [INFO] [stderr] Checking unty v0.0.4 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking iri-string v0.7.8 [INFO] [stderr] Checking anstyle-parse v0.2.6 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Compiling simd_helpers v0.1.0 [INFO] [stderr] Checking weezl v0.1.10 [INFO] [stderr] Checking bitstream-io v2.6.0 [INFO] [stderr] 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[INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Compiling bincode_derive v2.0.1 [INFO] [stderr] Checking image-webp v0.2.3 [INFO] [stderr] Checking zune-jpeg v0.4.20 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking clap_builder v4.5.37 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Checking exr v1.73.0 [INFO] [stderr] Checking png v0.17.16 [INFO] [stderr] Checking gif v0.13.3 [INFO] [stderr] Checking rustls-pki-types v1.12.0 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Checking bincode v2.0.1 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking thread_local v1.1.9 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking core_affinity v0.8.3 [INFO] [stderr] Checking tiff v0.9.1 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking thread-priority v1.2.0 [INFO] [stderr] Checking sysinfo v0.36.1 [INFO] [stderr] Checking memmap2 v0.9.7 [INFO] [stderr] Checking tracing-subscriber v0.3.19 [INFO] [stderr] Checking priority v0.1.0 (/opt/rustwide/workdir/session2/priority) [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] Checking affinity v0.1.0 (/opt/rustwide/workdir/session2/affinity) [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking file_read v0.1.0 (/opt/rustwide/workdir/bonus/file_read) [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: 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 workers2 v0.1.0 (/opt/rustwide/workdir/session2/workers2) [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 workers v0.1.0 (/opt/rustwide/workdir/session2/workers) [INFO] [stderr] Checking alab-live v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking dropping_raii v0.1.0 (/opt/rustwide/workdir/session5/dropping_raii) [INFO] [stderr] Checking hello v0.1.0 (/opt/rustwide/workdir/session2/hello) [INFO] [stderr] Checking rand v0.9.2 [INFO] [stderr] Checking memory_fragmentation v0.1.0 (/opt/rustwide/workdir/session5/memory_fragmentation) [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 footgun v0.1.0 (/opt/rustwide/workdir/session2/footgun) [INFO] [stderr] Checking hello_world v0.1.0 (/opt/rustwide/workdir/session1/hello_world) [INFO] [stderr] Checking parking v0.1.0 (/opt/rustwide/workdir/session2/parking) [INFO] [stderr] Checking refc v0.1.0 (/opt/rustwide/workdir/session5/refc) [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 deadlocks v0.1.0 (/opt/rustwide/workdir/session2/deadlocks) [INFO] [stderr] Checking dropping v0.1.0 (/opt/rustwide/workdir/session5/dropping) [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 best v0.1.0 (/opt/rustwide/workdir/bonus/best) [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 lifetimes v0.1.0 (/opt/rustwide/workdir/session5/lifetimes) [INFO] [stderr] Checking channels1 v0.1.0 (/opt/rustwide/workdir/session2/channels1) [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] [stderr] Checking dashmap v6.1.0 [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] [stderr] Checking generics v0.1.0 (/opt/rustwide/workdir/session5/generics) [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] [stderr] Checking traits v0.1.0 (/opt/rustwide/workdir/session5/traits) [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 ffi v0.1.0 (/opt/rustwide/workdir/session5/ffi) [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: 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] [stderr] Checking variables v0.1.0 (/opt/rustwide/workdir/session1/variables) [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] [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 uuid v1.18.0 [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] [stderr] Checking mutexes v0.1.0 (/opt/rustwide/workdir/session2/mutexes) [INFO] [stderr] Checking thread_builder v0.1.0 (/opt/rustwide/workdir/session2/thread_builder) [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] [stderr] Checking iterators v0.1.0 (/opt/rustwide/workdir/session5/iterators) [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 divide_work v0.1.0 (/opt/rustwide/workdir/session2/divide_work) [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] [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 dashing v0.1.0 (/opt/rustwide/workdir/session2/dashing) [INFO] [stderr] Checking cycles v0.1.0 (/opt/rustwide/workdir/session5/cycles) [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 packing v0.1.0 (/opt/rustwide/workdir/session5/packing) [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: 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: 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 `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: 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] [stderr] Checking scope_threads v0.1.0 (/opt/rustwide/workdir/session2/scope_threads) [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] [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: 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: 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: 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: 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] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.0 [INFO] [stderr] Compiling zerovec-derive v0.11.1 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling thiserror-impl v2.0.15 [INFO] [stderr] Compiling equator-macro v0.4.2 [INFO] [stderr] Compiling bytemuck_derive v1.10.1 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Checking equator v0.4.2 [INFO] [stderr] Compiling profiling-procmacros v1.0.17 [INFO] [stderr] Checking aligned-vec v0.6.4 [INFO] [stderr] Checking profiling v1.0.17 [INFO] [stderr] Compiling arg_enum_proc_macro v0.3.4 [INFO] [stderr] Checking zerofrom v0.1.6 [INFO] [stderr] Compiling yoke v0.8.0 [INFO] [stderr] Checking v_frame v0.3.9 [INFO] [stderr] Compiling zerovec v0.11.2 [INFO] [stderr] Checking zerotrie v0.2.2 [INFO] [stderr] warning: libsqlite3-sys@0.30.1: cc: fatal error: Killed signal terminated program cc1 [INFO] [stderr] warning: libsqlite3-sys@0.30.1: compilation terminated. [INFO] [stderr] error: failed to run custom build command for `libsqlite3-sys v0.30.1` [INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/libsqlite3-sys-fda3e64b9e549892/build-script-build` (exit status: 1) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rerun-if-env-changed=LIBSQLITE3_SYS_USE_PKG_CONFIG [INFO] [stderr] cargo:include=/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libsqlite3-sys-0.30.1/sqlite3 [INFO] [stderr] cargo:rerun-if-changed=sqlite3/sqlite3.c [INFO] [stderr] cargo:rerun-if-changed=sqlite3/wasm32-wasi-vfs.c [INFO] [stderr] cargo:rerun-if-env-changed=SQLITE_MAX_VARIABLE_NUMBER [INFO] [stderr] cargo:rerun-if-env-changed=SQLITE_MAX_EXPR_DEPTH [INFO] [stderr] cargo:rerun-if-env-changed=SQLITE_MAX_COLUMN [INFO] [stderr] cargo:rerun-if-env-changed=LIBSQLITE3_FLAGS [INFO] [stderr] OUT_DIR = Some(/opt/rustwide/target/debug/build/libsqlite3-sys-073c1f4ae78e9a5a/out) [INFO] [stderr] OPT_LEVEL = Some(0) [INFO] [stderr] TARGET = Some(x86_64-unknown-linux-gnu) [INFO] [stderr] HOST = Some(x86_64-unknown-linux-gnu) [INFO] [stderr] cargo:rerun-if-env-changed=CC_x86_64-unknown-linux-gnu [INFO] [stderr] CC_x86_64-unknown-linux-gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=CC_x86_64_unknown_linux_gnu [INFO] [stderr] CC_x86_64_unknown_linux_gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=HOST_CC [INFO] [stderr] HOST_CC = None [INFO] [stderr] cargo:rerun-if-env-changed=CC [INFO] [stderr] CC = None [INFO] [stderr] cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT [INFO] [stderr] RUSTC_WRAPPER = None [INFO] [stderr] cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS [INFO] [stderr] CRATE_CC_NO_DEFAULTS = None [INFO] [stderr] DEBUG = Some(true) [INFO] [stderr] CARGO_CFG_TARGET_FEATURE = Some(fxsr,sse,sse2,x87) [INFO] [stderr] cargo:rerun-if-env-changed=CFLAGS [INFO] [stderr] CFLAGS = None [INFO] [stderr] cargo:rerun-if-env-changed=HOST_CFLAGS [INFO] [stderr] HOST_CFLAGS = None [INFO] [stderr] cargo:rerun-if-env-changed=CFLAGS_x86_64_unknown_linux_gnu [INFO] [stderr] CFLAGS_x86_64_unknown_linux_gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=CFLAGS_x86_64-unknown-linux-gnu [INFO] [stderr] CFLAGS_x86_64-unknown-linux-gnu = None [INFO] [stderr] CARGO_ENCODED_RUSTFLAGS = Some(--cap-lints=forbid) [INFO] [stderr] cargo:warning=cc: fatal error: Killed signal terminated program cc1 [INFO] [stderr] cargo:warning=compilation terminated. [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error occurred in cc-rs: command did not execute successfully (status code exit status: 1): LC_ALL="C" "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-gdwarf-4" "-fno-omit-frame-pointer" "-m64" "-DSQLITE_CORE" "-DSQLITE_DEFAULT_FOREIGN_KEYS=1" "-DSQLITE_ENABLE_API_ARMOR" "-DSQLITE_ENABLE_COLUMN_METADATA" "-DSQLITE_ENABLE_DBSTAT_VTAB" "-DSQLITE_ENABLE_FTS3" "-DSQLITE_ENABLE_FTS3_PARENTHESIS" "-DSQLITE_ENABLE_FTS5" "-DSQLITE_ENABLE_JSON1" "-DSQLITE_ENABLE_LOAD_EXTENSION=1" "-DSQLITE_ENABLE_MEMORY_MANAGEMENT" "-DSQLITE_ENABLE_RTREE" "-DSQLITE_ENABLE_STAT4" "-DSQLITE_SOUNDEX" "-DSQLITE_THREADSAFE=1" "-DSQLITE_USE_URI" "-DHAVE_USLEEP=1" "-DHAVE_ISNAN" "-D_POSIX_THREAD_SAFE_FUNCTIONS" "-DHAVE_LOCALTIME_R" "-DSQLITE_ENABLE_UNLOCK_NOTIFY" "-o" "/opt/rustwide/target/debug/build/libsqlite3-sys-073c1f4ae78e9a5a/out/c877a2978823c39d-sqlite3.o" "-c" "sqlite3/sqlite3.c" [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `tokio` (lib) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/fe7294f8793d001bc3f9d197e7cdef6cdb46c15a/bin/rustc --crate-name tokio --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --warn=unexpected_cfgs --check-cfg 'cfg(fuzzing)' --check-cfg 'cfg(loom)' --check-cfg 'cfg(mio_unsupported_force_poll_poll)' --check-cfg 'cfg(tokio_allow_from_blocking_fd)' --check-cfg 'cfg(tokio_internal_mt_counters)' --check-cfg 'cfg(tokio_no_parking_lot)' --check-cfg 'cfg(tokio_no_tuning_tests)' --check-cfg 'cfg(tokio_taskdump)' --check-cfg 'cfg(tokio_unstable)' --check-cfg 'cfg(tokio_uring)' --check-cfg 'cfg(target_os, values("cygwin"))' --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="fs"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="rt"' --cfg 'feature="socket2"' --cfg 'feature="sync"' --cfg 'feature="time"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("bytes", "default", "fs", "full", "io-std", "io-util", "libc", "macros", "mio", "net", "parking_lot", "process", "rt", "rt-multi-thread", "signal", "signal-hook-registry", "socket2", "sync", "test-util", "time", "tokio-macros", "tracing", "windows-sys"))' -C metadata=7e8a293f87393b1a -C extra-filename=-15b8972d2cdf348a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-1e0f2c5263ca78fd.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-d6ee29590563fcea.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-53f1a0d49ba720a9.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-2ecca6b667797f49.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-04a1dcfa956f5507.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "35151ab172dbe5c77df83d97830769efd9778c4310ae22e21ad71c8b79de6942", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35151ab172dbe5c77df83d97830769efd9778c4310ae22e21ad71c8b79de6942", kill_on_drop: false }` [INFO] [stdout] 35151ab172dbe5c77df83d97830769efd9778c4310ae22e21ad71c8b79de6942