[INFO] cloning repository https://github.com/samichiappe/exos-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samichiappe/exos-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamichiappe%2Fexos-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamichiappe%2Fexos-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8feb6b174b0e6d3f83e470dec916a0435e3f98d4 [INFO] checking samichiappe/exos-rust against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamichiappe%2Fexos-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/samichiappe/exos-rust on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/samichiappe/exos-rust [INFO] finished tweaking git repo https://github.com/samichiappe/exos-rust [INFO] tweaked toml for git repo https://github.com/samichiappe/exos-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/samichiappe/exos-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d9289ac49b024a297ee877bb1d5565c018bb90049900dcecd65cce65dc26e258 [INFO] running `Command { std: "docker" "start" "-a" "d9289ac49b024a297ee877bb1d5565c018bb90049900dcecd65cce65dc26e258", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9289ac49b024a297ee877bb1d5565c018bb90049900dcecd65cce65dc26e258", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9289ac49b024a297ee877bb1d5565c018bb90049900dcecd65cce65dc26e258", kill_on_drop: false }` [INFO] [stdout] d9289ac49b024a297ee877bb1d5565c018bb90049900dcecd65cce65dc26e258 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 881fe10c82928860f1d486e07e289d5adead1f395ab9f8e1c5cfee7eb3ac8b74 [INFO] running `Command { std: "docker" "start" "-a" "881fe10c82928860f1d486e07e289d5adead1f395ab9f8e1c5cfee7eb3ac8b74", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling thiserror v1.0.63 [INFO] [stderr] Checking common v0.1.0 (/opt/rustwide/workdir/helpers/common) [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking bytes v1.7.1 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Compiling serde v1.0.204 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] Compiling siphasher v0.3.11 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Checking tinyvec v1.8.0 [INFO] [stderr] Compiling phf_shared v0.11.2 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling rustix v0.38.34 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Checking http v0.2.12 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking new_debug_unreachable v1.0.6 [INFO] [stderr] Compiling httparse v1.9.4 [INFO] [stderr] Checking utf8parse v0.2.2 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Checking anstyle-parse v0.2.5 [INFO] [stderr] Checking colorchoice v1.0.2 [INFO] [stderr] Checking anstyle-query v1.1.1 [INFO] [stderr] Compiling ucd-trie v0.1.6 [INFO] [stderr] Checking mac v0.1.1 [INFO] [stderr] Checking is_terminal_polyfill v1.70.1 [INFO] [stderr] Checking cpufeatures v0.2.12 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Checking anstyle v1.0.8 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Compiling serde_json v1.0.122 [INFO] [stderr] Checking futf v0.1.5 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking mio v1.0.1 [INFO] [stderr] Checking anstream v0.6.15 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking unicode-normalization v0.1.23 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking equivalent v1.0.1 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking phf v0.11.2 [INFO] [stderr] Compiling mime_guess v2.0.5 [INFO] [stderr] Checking tendril v0.4.3 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking http v1.1.0 [INFO] [stderr] Checking data-encoding v2.6.0 [INFO] [stderr] Checking mime v0.3.17 [INFO] [stderr] Checking strsim v0.11.1 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking clap_lex v0.7.2 [INFO] [stderr] Checking httpdate v1.0.3 [INFO] [stderr] Checking try-lock v0.2.5 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Checking inotify v0.9.6 [INFO] [stderr] Checking http-body v0.4.6 [INFO] [stderr] Checking headers-core v0.2.0 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking filetime v0.2.23 [INFO] [stderr] Checking crossbeam-channel v0.5.13 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking base64 v0.21.7 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking tower-service v0.3.2 [INFO] [stderr] Compiling pulldown-cmark v0.10.3 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking pulldown-cmark-escape v0.10.1 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Checking notify v6.1.1 [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking fastrand v2.1.0 [INFO] [stderr] Checking scoped-tls v1.0.1 [INFO] [stderr] Checking indexmap v2.3.0 [INFO] [stderr] Checking topological-sort v0.2.2 [INFO] [stderr] Checking shlex v1.3.0 [INFO] [stderr] Checking pathdiff v0.2.1 [INFO] [stderr] Compiling pulldown-cmark v0.11.0 [INFO] [stderr] Checking unicode-width v0.1.13 [INFO] [stderr] Checking pulldown-cmark-escape v0.11.0 [INFO] [stderr] Checking sha1 v0.10.6 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking packages v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/10_packages) [INFO] [stderr] Checking outro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/14_outro) [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking outro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/12_outro) [INFO] [stderr] Checking error_trait v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/09_error_trait) [INFO] [stderr] Checking headers v0.3.9 [INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed [INFO] [stdout] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 47 | enum Status { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 48 | ToDo, [INFO] [stdout] 49 | InProgress { assigned_to: String }, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 50 | Done, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Status` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking deps v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/11_dependencies) [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Checking str_slice v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/06_str_slice) [INFO] [stderr] Checking notify-debouncer-mini v0.4.1 [INFO] [stdout] warning: unused import: `anyhow::Error` [INFO] [stdout] --> exercises/05_ticket_v2/11_dependencies/src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use anyhow::Error; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow::Error` [INFO] [stdout] --> exercises/05_ticket_v2/11_dependencies/src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use anyhow::Error; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking setters v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/07_setters) [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking enum_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/01_enum) [INFO] [stderr] Checking unwrap v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/07_unwrap) [INFO] [stderr] Checking validation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/02_validation) [INFO] [stderr] Checking nullability v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/05_nullability) [INFO] [stderr] Checking fallibility v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/06_fallibility) [INFO] [stderr] Checking variants_with_data v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/03_variants_with_data) [INFO] [stdout] warning: associated items `new`, `title`, `description`, and `status` are never used [INFO] [stdout] --> exercises/05_ticket_v2/01_enum/src/lib.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Ticket { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 21 | pub fn new(title: String, description: String, status: Status) -> Ticket { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn title(&self) -> &String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn description(&self) -> &String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | pub fn status(&self) -> &Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking url v2.5.2 [INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed [INFO] [stdout] --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 25 | enum Status { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 26 | ToDo, [INFO] [stdout] 27 | InProgress { assigned_to: String }, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 28 | Done, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Status` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking error_enums v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/08_error_enums) [INFO] [stderr] Checking factorial v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/05_factorial) [INFO] [stderr] Checking scoped_threads v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/04_scoped_threads) [INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed [INFO] [stdout] --> exercises/05_ticket_v2/06_fallibility/src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 12 | enum Status { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 13 | ToDo, [INFO] [stdout] 14 | InProgress { assigned_to: String }, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 15 | Done, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Status` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking overloading v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/03_operator_overloading) [INFO] [stderr] Checking saturating v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/09_saturating) [INFO] [stderr] Checking sync v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/14_sync) [INFO] [stderr] Checking modules v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/03_modules) [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/04_traits/03_operator_overloading/src/lib.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | DescriptionError(String), [INFO] [stdout] | ---------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `TicketNewError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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] 7 - DescriptionError(String), [INFO] [stdout] 7 + DescriptionError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed [INFO] [stdout] --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 32 | enum Status { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 33 | ToDo, [INFO] [stdout] 34 | InProgress { assigned_to: String }, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 35 | Done, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Status` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking interior_mutability v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/06_interior_mutability) [INFO] [stderr] Checking orphan v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/02_orphan_rule) [INFO] [stderr] Checking heap v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/09_heap) [INFO] [stderr] Checking variables v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/02_variables) [INFO] [stderr] Checking welcome_00 v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/00_welcome) [INFO] [stderr] Checking assoc_vs_generic v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/10_assoc_vs_generic) [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> exercises/07_threads/06_interior_mutability/src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct DropTracker { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 8 | value: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `title`, `description`, and `status` are never read [INFO] [stdout] --> exercises/03_ticket_v1/09_heap/src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Ticket { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 2 | title: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 3 | description: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 4 | status: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking match_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/02_match) [INFO] [stderr] Checking for_ v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/07_for) [INFO] [stderr] Checking static v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/02_static) [INFO] [stderr] Checking drop v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/13_drop) [INFO] [stdout] warning: enum `Shape` is never used [INFO] [stdout] --> exercises/05_ticket_v2/02_match/src/lib.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum Shape { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `n_sides` is never used [INFO] [stdout] --> exercises/05_ticket_v2/02_match/src/lib.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl Shape { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 10 | // TODO: Implement the `n_sides` method using a `match`. [INFO] [stdout] 11 | pub fn n_sides(&self) -> u8 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking if_let v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/04_if_let) [INFO] [stderr] Checking overflow v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/08_overflow) [INFO] [stderr] Checking as_cast v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/10_as_casting) [INFO] [stdout] warning: unused variable: `bomb` [INFO] [stdout] --> exercises/04_traits/13_drop/src/lib.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | let bomb = DropBomb::new(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_bomb` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking leaking v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/03_leak) [INFO] [stderr] Checking intro_08 v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/00_intro) [INFO] [stdout] warning: fields `title`, `description`, and `status` are never read [INFO] [stdout] --> exercises/03_ticket_v1/09_heap/src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Ticket { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 2 | title: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 3 | description: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 4 | status: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking deref v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/07_deref) [INFO] [stderr] Checking intro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/00_intro) [INFO] [stderr] Checking intro_04 v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/00_intro) [INFO] [stdout] warning: field `border` is never read [INFO] [stdout] --> exercises/05_ticket_v2/04_if_let/src/lib.rs:3:14 [INFO] [stdout] | [INFO] [stdout] 3 | Square { border: f64 }, [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width` and `height` are never read [INFO] [stdout] --> exercises/05_ticket_v2/04_if_let/src/lib.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | Rectangle { width: f64, height: f64 }, [INFO] [stdout] | --------- ^^^^^ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking stack v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/08_stack) [INFO] [stderr] Checking derives v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/04_derive) [INFO] [stderr] Checking syntax v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/01_syntax) [INFO] [stdout] warning: function `intro` is never used [INFO] [stdout] --> exercises/08_futures/00_intro/src/lib.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn intro() -> &'static str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking references_in_memory v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/10_references_in_memory) [INFO] [stdout] warning: field `status` is never read [INFO] [stdout] --> exercises/04_traits/07_deref/src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Ticket { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 10 | status: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking from v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/09_from) [INFO] [stderr] Checking encapsulation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/05_encapsulation) [INFO] [stdout] warning: fields `title`, `description`, and `status` are never read [INFO] [stdout] --> exercises/03_ticket_v1/10_references_in_memory/src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Ticket { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 2 | title: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 3 | description: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 4 | status: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking intro_07 v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/00_intro) [INFO] [stdout] warning: enum `Shape` is never used [INFO] [stdout] --> exercises/05_ticket_v2/04_if_let/src/lib.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum Shape { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `radius` is never used [INFO] [stdout] --> exercises/05_ticket_v2/04_if_let/src/lib.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Shape { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 10 | pub fn radius(&self) -> f64 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking intro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/00_intro) [INFO] [stdout] warning: unused variable: `wrapping` [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let wrapping: WrappingU32 = 42.into(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapping` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking clone v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/11_clone) [INFO] [stdout] warning: unused variable: `wrapping` [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let wrapping = WrappingU32::from(42); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapping` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct WrappingU32 { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 4 | value: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `example` is never used [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn example() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking arrays v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/01_arrays) [INFO] [stdout] warning: function `intro` is never used [INFO] [stdout] --> exercises/07_threads/00_intro/src/lib.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn intro() -> &'static str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking mut_slice v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/11_mutable_slices) [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/accept_ranges.rs:32:1 [INFO] [stdout] | [INFO] [stdout] 32 | / derive_header! { [INFO] [stdout] 33 | | AcceptRanges(_), [INFO] [stdout] 34 | | name: ACCEPT_RANGES [INFO] [stdout] 35 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/access_control_allow_credentials.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | &::http::header::ACCESS_CONTROL_ALLOW_CREDENTIALS [INFO] [stdout] | ^------------------------------------------------ [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TicketNewError` is never used [INFO] [stdout] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:7:6 [INFO] [stdout] | [INFO] [stdout] 7 | enum TicketNewError { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TicketNewError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/access_control_allow_headers.rs:37:1 [INFO] [stdout] | [INFO] [stdout] 37 | / derive_header! { [INFO] [stdout] 38 | | AccessControlAllowHeaders(_), [INFO] [stdout] 39 | | name: ACCESS_CONTROL_ALLOW_HEADERS [INFO] [stdout] 40 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `easy_ticket` is never used [INFO] [stdout] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn easy_ticket(title: String, description: String, status: Status) -> Ticket { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Ticket` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Status` is never used [INFO] [stdout] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:47:6 [INFO] [stdout] | [INFO] [stdout] 47 | enum Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Status` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 53 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 54 | pub fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/access_control_allow_methods.rs:38:1 [INFO] [stdout] | [INFO] [stdout] 38 | / derive_header! { [INFO] [stdout] 39 | | AccessControlAllowMethods(_), [INFO] [stdout] 40 | | name: ACCESS_CONTROL_ALLOW_METHODS [INFO] [stdout] 41 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/access_control_allow_origin.rs:39:1 [INFO] [stdout] | [INFO] [stdout] 39 | / derive_header! { [INFO] [stdout] 40 | | AccessControlAllowOrigin(_), [INFO] [stdout] 41 | | name: ACCESS_CONTROL_ALLOW_ORIGIN [INFO] [stdout] 42 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/access_control_expose_headers.rs:38:1 [INFO] [stdout] | [INFO] [stdout] 38 | / derive_header! { [INFO] [stdout] 39 | | AccessControlExposeHeaders(_), [INFO] [stdout] 40 | | name: ACCESS_CONTROL_EXPOSE_HEADERS [INFO] [stdout] 41 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/access_control_max_age.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | / derive_header! { [INFO] [stdout] 34 | | AccessControlMaxAge(_), [INFO] [stdout] 35 | | name: ACCESS_CONTROL_MAX_AGE [INFO] [stdout] 36 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/access_control_request_headers.rs:39:1 [INFO] [stdout] | [INFO] [stdout] 39 | / derive_header! { [INFO] [stdout] 40 | | AccessControlRequestHeaders(_), [INFO] [stdout] 41 | | name: ACCESS_CONTROL_REQUEST_HEADERS [INFO] [stdout] 42 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/access_control_request_method.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | &::http::header::ACCESS_CONTROL_REQUEST_METHOD [INFO] [stdout] | ^--------------------------------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/age.rs:42:1 [INFO] [stdout] | [INFO] [stdout] 42 | / derive_header! { [INFO] [stdout] 43 | | Age(_), [INFO] [stdout] 44 | | name: AGE [INFO] [stdout] 45 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking resizing v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/03_resizing) [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/allow.rs:40:1 [INFO] [stdout] | [INFO] [stdout] 40 | / derive_header! { [INFO] [stdout] 41 | | Allow(_), [INFO] [stdout] 42 | | name: ALLOW [INFO] [stdout] 43 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/authorization.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | &::http::header::AUTHORIZATION [INFO] [stdout] | ^----------------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking trait_bounds v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/05_trait_bounds) [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/cache_control.rs:216:9 [INFO] [stdout] | [INFO] [stdout] 216 | &::http::header::CACHE_CONTROL [INFO] [stdout] | ^----------------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking destructor v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/11_destructor) [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/connection.rs:40:1 [INFO] [stdout] | [INFO] [stdout] 40 | / derive_header! { [INFO] [stdout] 41 | | Connection(_), [INFO] [stdout] 42 | | name: CONNECTION [INFO] [stdout] 43 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking while_ v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/06_while) [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/content_disposition.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | &::http::header::CONTENT_DISPOSITION [INFO] [stdout] | ^----------------------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/content_encoding.rs:37:1 [INFO] [stdout] | [INFO] [stdout] 37 | / derive_header! { [INFO] [stdout] 38 | | ContentEncoding(_), [INFO] [stdout] 39 | | name: CONTENT_ENCODING [INFO] [stdout] 40 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/content_length.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | &::http::header::CONTENT_LENGTH [INFO] [stdout] | ^------------------------------ [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/content_location.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | / derive_header! { [INFO] [stdout] 31 | | ContentLocation(_), [INFO] [stdout] 32 | | name: CONTENT_LOCATION [INFO] [stdout] 33 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking struct_ v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/01_struct) [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/content_range.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | &::http::header::CONTENT_RANGE [INFO] [stdout] | ^----------------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking integers v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/01_integers) [INFO] [stderr] Checking intro_05 v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/00_intro) [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/content_type.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | &::http::header::CONTENT_TYPE [INFO] [stdout] | ^---------------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking slice v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/10_slices) [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/cookie.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | / derive_header! { [INFO] [stdout] 20 | | Cookie(_), [INFO] [stdout] 21 | | name: COOKIE [INFO] [stdout] 22 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `outro` is never used [INFO] [stdout] --> exercises/03_ticket_v1/11_destructor/src/lib.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn outro() -> &'static str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking visibility v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/04_visibility) [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/date.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | / derive_header! { [INFO] [stdout] 32 | | Date(_), [INFO] [stdout] 33 | | name: DATE [INFO] [stdout] 34 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `intro` is never used [INFO] [stdout] --> exercises/05_ticket_v2/00_intro/src/lib.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn intro() -> &'static str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/etag.rs:36:1 [INFO] [stdout] | [INFO] [stdout] 36 | / derive_header! { [INFO] [stdout] 37 | | ETag(_), [INFO] [stdout] 38 | | name: ETAG [INFO] [stdout] 39 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/expect.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | &::http::header::EXPECT [INFO] [stdout] | ^---------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/expires.rs:35:1 [INFO] [stdout] | [INFO] [stdout] 35 | / derive_header! { [INFO] [stdout] 36 | | Expires(_), [INFO] [stdout] 37 | | name: EXPIRES [INFO] [stdout] 38 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking if_else v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/03_if_else) [INFO] [stdout] warning: function `intro` is never used [INFO] [stdout] --> exercises/04_traits/00_intro/src/lib.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn intro() -> &'static str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/host.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | &::http::header::HOST [INFO] [stdout] | ^-------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking copy v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/12_copy) [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/if_match.rs:42:1 [INFO] [stdout] | [INFO] [stdout] 42 | / derive_header! { [INFO] [stdout] 43 | | IfMatch(_), [INFO] [stdout] 44 | | name: IF_MATCH [INFO] [stdout] 45 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/if_modified_since.rs:35:1 [INFO] [stdout] | [INFO] [stdout] 35 | / derive_header! { [INFO] [stdout] 36 | | IfModifiedSince(_), [INFO] [stdout] 37 | | name: IF_MODIFIED_SINCE [INFO] [stdout] 38 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `outro` is never used [INFO] [stdout] --> exercises/07_threads/14_sync/src/lib.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn outro() -> &'static str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/if_none_match.rs:44:1 [INFO] [stdout] | [INFO] [stdout] 44 | / derive_header! { [INFO] [stdout] 45 | | IfNoneMatch(_), [INFO] [stdout] 46 | | name: IF_NONE_MATCH [INFO] [stdout] 47 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/if_range.rs:46:1 [INFO] [stdout] | [INFO] [stdout] 46 | / derive_header! { [INFO] [stdout] 47 | | IfRange(_), [INFO] [stdout] 48 | | name: IF_RANGE [INFO] [stdout] 49 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/if_unmodified_since.rs:36:1 [INFO] [stdout] | [INFO] [stdout] 36 | / derive_header! { [INFO] [stdout] 37 | | IfUnmodifiedSince(_), [INFO] [stdout] 38 | | name: IF_UNMODIFIED_SINCE [INFO] [stdout] 39 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking terminal_size v0.3.0 [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/last_modified.rs:36:1 [INFO] [stdout] | [INFO] [stdout] 36 | / derive_header! { [INFO] [stdout] 37 | | LastModified(_), [INFO] [stdout] 38 | | name: LAST_MODIFIED [INFO] [stdout] 39 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tempfile v3.11.0 [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/location.rs:26:1 [INFO] [stdout] | [INFO] [stdout] 26 | / derive_header! { [INFO] [stdout] 27 | | Location(_), [INFO] [stdout] 28 | | name: LOCATION [INFO] [stdout] 29 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/origin.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | / derive_header! { [INFO] [stdout] 32 | | Origin(_), [INFO] [stdout] 33 | | name: ORIGIN [INFO] [stdout] 34 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `intro` is never used [INFO] [stdout] --> exercises/06_ticket_management/00_intro/src/lib.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn intro() -> &'static str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking intro_01 v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/00_intro) [INFO] [stdout] warning: unused variable: `ticket` [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | let ticket = Ticket::new("A title".into(), "A description".into(), "To-Do".into()); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ticket` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:9:16 [INFO] [stdout] | [INFO] [stdout] 8 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 9 | pub fn new(title: String, description: String, status: String) -> Ticket { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `should_not_be_possible` is never used [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | fn should_not_be_possible() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `encapsulation_cannot_be_violated` is never used [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | fn encapsulation_cannot_be_violated() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/pragma.rs:29:1 [INFO] [stdout] | [INFO] [stdout] 29 | / derive_header! { [INFO] [stdout] 30 | | Pragma(_), [INFO] [stdout] 31 | | name: PRAGMA [INFO] [stdout] 32 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/proxy_authorization.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | &::http::header::PROXY_AUTHORIZATION [INFO] [stdout] | ^----------------------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `easy_ticket` is never used [INFO] [stdout] --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn easy_ticket(title: String, description: String, status: Status) -> Ticket { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Ticket` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Status` is never used [INFO] [stdout] --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:25:6 [INFO] [stdout] | [INFO] [stdout] 25 | enum Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Status` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 31 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 32 | pub fn new(title: String, description: String, status: Status) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:9:16 [INFO] [stdout] | [INFO] [stdout] 8 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 9 | pub fn new(title: String, description: String, status: String) -> Ticket { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking sized v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/08_sized) [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/range.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | &::http::header::RANGE [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/referer.rs:35:1 [INFO] [stdout] | [INFO] [stdout] 35 | / derive_header! { [INFO] [stdout] 36 | | Referer(_), [INFO] [stdout] 37 | | name: REFERER [INFO] [stdout] 38 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking ownership v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/06_ownership) [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/referrer_policy.rs:36:1 [INFO] [stdout] | [INFO] [stdout] 36 | / derive_header! { [INFO] [stdout] 37 | | ReferrerPolicy(_), [INFO] [stdout] 38 | | name: REFERRER_POLICY [INFO] [stdout] 39 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/05_ticket_v2/03_variants_with_data/src/lib.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Ticket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Status` is never used [INFO] [stdout] --> exercises/05_ticket_v2/03_variants_with_data/src/lib.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | enum Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Status` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `assigned_to` are never used [INFO] [stdout] --> exercises/05_ticket_v2/03_variants_with_data/src/lib.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 19 | impl Ticket { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 20 | pub fn new(title: String, description: String, status: Status) -> Ticket { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | pub fn assigned_to(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking vec v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/02_vec) [INFO] [stderr] Checking clap_builder v4.5.13 [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/retry_after.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | / derive_header! { [INFO] [stdout] 31 | | RetryAfter(_), [INFO] [stdout] 32 | | name: RETRY_AFTER [INFO] [stdout] 33 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> exercises/07_threads/06_interior_mutability/src/lib.rs:40:17 [INFO] [stdout] | [INFO] [stdout] 40 | let a = DropTracker::new(5, Rc::clone(&counter)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> exercises/07_threads/06_interior_mutability/src/lib.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | let b = DropTracker::new(6, Rc::clone(&counter)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> exercises/07_threads/06_interior_mutability/src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct DropTracker { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 8 | value: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/sec_websocket_accept.rs:28:1 [INFO] [stdout] | [INFO] [stdout] 28 | / derive_header! { [INFO] [stdout] 29 | | SecWebsocketAccept(_), [INFO] [stdout] 30 | | name: SEC_WEBSOCKET_ACCEPT [INFO] [stdout] 31 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/sec_websocket_key.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | / derive_header! { [INFO] [stdout] 6 | | SecWebsocketKey(_), [INFO] [stdout] 7 | | name: SEC_WEBSOCKET_KEY [INFO] [stdout] 8 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/sec_websocket_version.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | &::http::header::SEC_WEBSOCKET_VERSION [INFO] [stdout] | ^------------------------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/server.rs:36:1 [INFO] [stdout] | [INFO] [stdout] 36 | / derive_header! { [INFO] [stdout] 37 | | Server(_), [INFO] [stdout] 38 | | name: SERVER [INFO] [stdout] 39 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/set_cookie.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | &::http::header::SET_COOKIE [INFO] [stdout] | ^-------------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking trait_ v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/01_trait) [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/strict_transport_security.rs:134:9 [INFO] [stdout] | [INFO] [stdout] 134 | &::http::header::STRICT_TRANSPORT_SECURITY [INFO] [stdout] | ^----------------------------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/te.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | / derive_header! { [INFO] [stdout] 32 | | Te(_), [INFO] [stdout] 33 | | name: TE [INFO] [stdout] 34 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/transfer_encoding.rs:44:1 [INFO] [stdout] | [INFO] [stdout] 44 | / derive_header! { [INFO] [stdout] 45 | | TransferEncoding(_), [INFO] [stdout] 46 | | name: TRANSFER_ENCODING [INFO] [stdout] 47 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/upgrade.rs:45:1 [INFO] [stdout] | [INFO] [stdout] 45 | / derive_header! { [INFO] [stdout] 46 | | Upgrade(_), [INFO] [stdout] 47 | | name: UPGRADE [INFO] [stdout] 48 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/user_agent.rs:45:1 [INFO] [stdout] | [INFO] [stdout] 45 | / derive_header! { [INFO] [stdout] 46 | | UserAgent(_), [INFO] [stdout] 47 | | name: USER_AGENT [INFO] [stdout] 48 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/util/mod.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | &::http::header::$name [INFO] [stdout] | ^--------------------- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/headers-0.3.9/src/common/vary.rs:35:1 [INFO] [stdout] | [INFO] [stdout] 35 | / derive_header! { [INFO] [stdout] 36 | | Vary(_), [INFO] [stdout] 37 | | name: VARY [INFO] [stdout] 38 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `derive_header` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `wrapping` [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let wrapping: WrappingU32 = 42.into(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapping` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `headers` (lib) due to 51 previous errors [INFO] [stdout] For more information about this error, try `rustc --explain E0515`. [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `wrapping` [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let wrapping = WrappingU32::from(42); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapping` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct WrappingU32 { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 4 | value: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `example` is never used [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn example() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "881fe10c82928860f1d486e07e289d5adead1f395ab9f8e1c5cfee7eb3ac8b74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "881fe10c82928860f1d486e07e289d5adead1f395ab9f8e1c5cfee7eb3ac8b74", kill_on_drop: false }` [INFO] [stdout] 881fe10c82928860f1d486e07e289d5adead1f395ab9f8e1c5cfee7eb3ac8b74