[INFO] fetching crate guessing_number 0.1.1... [INFO] testing guessing_number-0.1.1 against 1.63.0 for beta-1.64-2 [INFO] extracting crate guessing_number 0.1.1 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate guessing_number 0.1.1 on toolchain 1.63.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate guessing_number 0.1.1 [INFO] finished tweaking crates.io crate guessing_number 0.1.1 [INFO] tweaked toml for crates.io crate guessing_number 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate crates.io crate guessing_number 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: `panic` setting is ignored for `bench` profile [INFO] [stderr] warning: `panic` setting is ignored for `test` profile [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded scopeguard v1.0.0 [INFO] [stderr] Downloaded net2 v0.2.33 [INFO] [stderr] Downloaded mime v0.3.14 [INFO] [stderr] Downloaded rand_hc v0.2.0 [INFO] [stderr] Downloaded log v0.4.8 [INFO] [stderr] Downloaded hashbrown v0.5.0 [INFO] [stderr] Downloaded miniz_oxide v0.3.5 [INFO] [stderr] Downloaded adler32 v1.0.4 [INFO] [stderr] Downloaded crc32fast v1.2.0 [INFO] [stderr] Downloaded url v1.7.2 [INFO] [stderr] Downloaded flate2 v1.0.12 [INFO] [stderr] Downloaded linked-hash-map v0.5.2 [INFO] [stderr] Downloaded miniz-sys v0.1.12 [INFO] [stderr] Downloaded proc-macro-hack v0.5.11 [INFO] [stderr] Downloaded url v2.1.0 [INFO] [stderr] Downloaded h2 v0.1.26 [INFO] [stderr] Downloaded brotli2 v0.3.2 [INFO] [stderr] Downloaded tokio-tcp v0.1.3 [INFO] [stderr] Downloaded lru-cache v0.1.2 [INFO] [stderr] Downloaded rand_chacha v0.1.1 [INFO] [stderr] Downloaded actix-web-codegen v0.1.3 [INFO] [stderr] Downloaded arc-swap v0.4.3 [INFO] [stderr] Downloaded actix-rt v0.2.5 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tokio-udp v0.1.5 [INFO] [stderr] Downloaded tokio-codec v0.1.1 [INFO] [stderr] Downloaded num-integer v0.1.41 [INFO] [stderr] Downloaded num-traits v0.2.8 [INFO] [stderr] Downloaded chrono v0.4.9 [INFO] [stderr] Downloaded tokio-executor v0.1.8 [INFO] [stderr] Downloaded lock_api v0.3.1 [INFO] [stderr] Downloaded aho-corasick v0.7.6 [INFO] [stderr] Downloaded memchr v2.2.1 [INFO] [stderr] Downloaded regex v1.3.1 [INFO] [stderr] Downloaded dtoa v0.4.4 [INFO] [stderr] Downloaded itoa v0.4.4 [INFO] [stderr] Downloaded time v0.1.42 [INFO] [stderr] Downloaded c2-chacha v0.2.3 [INFO] [stderr] Downloaded wasi v0.7.0 [INFO] [stderr] Downloaded getrandom v0.1.13 [INFO] [stderr] Downloaded rand v0.7.2 [INFO] [stderr] Downloaded winreg v0.6.2 [INFO] [stderr] Downloaded quick-error v1.2.2 [INFO] [stderr] Downloaded backtrace v0.3.40 [INFO] [stderr] Downloaded failure v0.1.6 [INFO] [stderr] Downloaded mio v0.6.19 [INFO] [stderr] Downloaded hermit-abi v0.1.3 [INFO] [stderr] Downloaded fnv v1.0.6 [INFO] [stderr] Downloaded byteorder v1.3.2 [INFO] [stderr] Downloaded rustc-demangle v0.1.16 [INFO] [stderr] Downloaded percent-encoding v1.0.1 [INFO] [stderr] Downloaded bytes v0.4.12 [INFO] [stderr] Downloaded futures v0.1.29 [INFO] [stderr] Downloaded matches v0.1.8 [INFO] [stderr] Downloaded rand_core v0.5.1 [INFO] [stderr] Downloaded idna v0.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4be235c05d1290d501678bd5df8682d10709beefac7f0289ac55cbcf868ffce1 [INFO] running `Command { std: "docker" "start" "-a" "4be235c05d1290d501678bd5df8682d10709beefac7f0289ac55cbcf868ffce1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4be235c05d1290d501678bd5df8682d10709beefac7f0289ac55cbcf868ffce1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4be235c05d1290d501678bd5df8682d10709beefac7f0289ac55cbcf868ffce1", kill_on_drop: false }` [INFO] [stdout] 4be235c05d1290d501678bd5df8682d10709beefac7f0289ac55cbcf868ffce1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7468f56097a39c3f42e23aa6de4e7d5bf6e11af2d487ad394ecbd448b8edcafc [INFO] running `Command { std: "docker" "start" "-a" "7468f56097a39c3f42e23aa6de4e7d5bf6e11af2d487ad394ecbd448b8edcafc", kill_on_drop: false }` [INFO] [stderr] warning: `panic` setting is ignored for `bench` profile [INFO] [stderr] warning: `panic` setting is ignored for `test` profile [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling futures v0.1.29 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling cc v1.0.47 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling copyless v0.1.4 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling linked-hash-map v0.5.2 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling arc-swap v0.4.3 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling encoding_rs v0.8.20 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling dtoa v0.4.4 [INFO] [stderr] Compiling mime v0.3.14 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Compiling sha1 v0.6.0 [INFO] [stderr] Compiling hashbrown v0.5.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling actix-service v0.4.2 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Compiling hashbrown v0.6.3 [INFO] [stderr] Compiling tokio-sync v0.1.7 [INFO] [stderr] Compiling lock_api v0.3.1 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling lru-cache v0.1.2 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling tokio-executor v0.1.8 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling tokio-timer v0.2.11 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.11.0 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling socket2 v0.3.11 [INFO] [stderr] Compiling hostname v0.1.5 [INFO] [stderr] Compiling signal-hook-registry v1.1.1 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling unicode-normalization v0.1.9 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling threadpool v1.7.1 [INFO] [stderr] Compiling resolv-conf v0.6.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling signal-hook v0.1.11 [INFO] [stderr] Compiling backtrace v0.3.40 [INFO] [stderr] Compiling flate2 v1.0.12 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling http v0.1.19 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling chrono v0.4.9 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling url v2.1.0 [INFO] [stderr] Compiling tokio-reactor v0.1.10 [INFO] [stderr] Compiling actix-codec v0.1.2 [INFO] [stderr] Compiling h2 v0.1.26 [INFO] [stderr] Compiling brotli2 v0.3.2 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio-udp v0.1.5 [INFO] [stderr] Compiling tokio-signal v0.2.7 [INFO] [stderr] Compiling actix-utils v0.4.7 [INFO] [stderr] Compiling actix-server-config v0.1.2 [INFO] [stderr] Compiling synstructure v0.12.2 [INFO] [stderr] Compiling enum-as-inner v0.2.1 [INFO] [stderr] Compiling derive_more v0.15.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Compiling actix-web-codegen v0.1.3 [INFO] [stderr] Compiling failure v0.1.6 [INFO] [stderr] Compiling const-random-macro v0.1.6 [INFO] [stderr] Compiling trust-dns-proto v0.7.4 [INFO] [stderr] Compiling const-random v0.1.6 [INFO] [stderr] Compiling actix-threadpool v0.1.2 [INFO] [stderr] Compiling ahash v0.2.17 [INFO] [stderr] Compiling actix-rt v0.2.5 [INFO] [stderr] Compiling trust-dns-resolver v0.11.1 [INFO] [stderr] Compiling actix-server v0.6.1 [INFO] [stderr] Compiling actix-testing v0.1.0 [INFO] [stderr] Compiling actix-connect v0.2.5 [INFO] [stderr] Compiling serde_json v1.0.41 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling actix-router v0.1.5 [INFO] [stderr] Compiling actix-http v0.2.11 [INFO] [stderr] Compiling awc v0.2.8 [INFO] [stderr] Compiling actix-web v1.0.8 [INFO] [stderr] Compiling guessing_number v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/lib.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | let c = CustomSmartPointer { data: String::from("my stuff") }; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/lib.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | let d = CustomSmartPointer { data: String::from("other stuff") }; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/lib.rs:96:9 [INFO] [stdout] | [INFO] [stdout] 96 | let b = Cons(3, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/lib.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | let c = Cons(4, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `internal_adder` is never used [INFO] [stdout] --> src/lib.rs:233:4 [INFO] [stdout] | [INFO] [stdout] 233 | fn internal_adder(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [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] --> src/lib.rs:245:5 [INFO] [stdout] | [INFO] [stdout] 244 | struct Rectangle { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 245 | width: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 246 | height: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rectangle` 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 function `can_hold` is never used [INFO] [stdout] --> src/lib.rs:250:8 [INFO] [stdout] | [INFO] [stdout] 250 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:307:9 [INFO] [stdout] | [INFO] [stdout] 307 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:369:10 [INFO] [stdout] | [INFO] [stdout] 369 | 1...5 => println!("one through five"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:376:12 [INFO] [stdout] | [INFO] [stdout] 376 | 'a'...'j' => println!("early ASCII letter"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:377:12 [INFO] [stdout] | [INFO] [stdout] 377 | 'k'...'z' => println!("late ASCII letter"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:378:12 [INFO] [stdout] | [INFO] [stdout] 378 | 'A'...'Z' => println!("UP ASCII letter"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:435:48 [INFO] [stdout] | [INFO] [stdout] 435 | MessageNum::Hello { id: id_variable @ 3...7 } => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:438:35 [INFO] [stdout] | [INFO] [stdout] 438 | MessageNum::Hello { id: 10...12 } => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:598:21 [INFO] [stdout] | [INFO] [stdout] 598 | let ducks: Vec<&Quack> = vec![&duck1,&duck2,&parrot, &i]; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 598 - let ducks: Vec<&Quack> = vec![&duck1,&duck2,&parrot, &i]; [INFO] [stdout] 598 + let ducks: Vec<&dyn Quack> = vec![&duck1,&duck2,&parrot, &i]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:612:21 [INFO] [stdout] | [INFO] [stdout] 612 | let vc: Vec> = vec![nvalue, fvalue]; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 612 - let vc: Vec> = vec![nvalue, fvalue]; [INFO] [stdout] 612 + let vc: Vec> = vec![nvalue, fvalue]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/main.rs:169:9 [INFO] [stdout] | [INFO] [stdout] 169 | let f = match f { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | let mut scores: HashMap<_, _> = teams.iter().zip(initial_scores.iter()).collect(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `guess_num` is never used [INFO] [stdout] --> src/main.rs:25:4 [INFO] [stdout] | [INFO] [stdout] 25 | fn guess_num(){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Rgb` is never constructed [INFO] [stdout] --> src/main.rs:450:5 [INFO] [stdout] | [INFO] [stdout] 449 | enum Color { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] 450 | Rgb(i32, i32, i32), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Quit`, `Move` and `Write` are never constructed [INFO] [stdout] --> src/main.rs:455:5 [INFO] [stdout] | [INFO] [stdout] 454 | enum Message { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 455 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] 456 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 457 | Write(String), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3m 26s [INFO] running `Command { std: "docker" "inspect" "7468f56097a39c3f42e23aa6de4e7d5bf6e11af2d487ad394ecbd448b8edcafc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7468f56097a39c3f42e23aa6de4e7d5bf6e11af2d487ad394ecbd448b8edcafc", kill_on_drop: false }` [INFO] [stdout] 7468f56097a39c3f42e23aa6de4e7d5bf6e11af2d487ad394ecbd448b8edcafc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a8509325cffa2233ca4b8b710aace7390dfbffa9fa15ceaa650d12f2a0440a6b [INFO] running `Command { std: "docker" "start" "-a" "a8509325cffa2233ca4b8b710aace7390dfbffa9fa15ceaa650d12f2a0440a6b", kill_on_drop: false }` [INFO] [stderr] warning: `panic` setting is ignored for `bench` profile [INFO] [stderr] warning: `panic` setting is ignored for `test` profile [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/lib.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | let c = CustomSmartPointer { data: String::from("my stuff") }; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/lib.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | let d = CustomSmartPointer { data: String::from("other stuff") }; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/lib.rs:96:9 [INFO] [stdout] | [INFO] [stdout] 96 | let b = Cons(3, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling guessing_number v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/lib.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | let c = Cons(4, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `internal_adder` is never used [INFO] [stdout] --> src/lib.rs:233:4 [INFO] [stdout] | [INFO] [stdout] 233 | fn internal_adder(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [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] --> src/lib.rs:245:5 [INFO] [stdout] | [INFO] [stdout] 244 | struct Rectangle { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 245 | width: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 246 | height: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rectangle` 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 function `can_hold` is never used [INFO] [stdout] --> src/lib.rs:250:8 [INFO] [stdout] | [INFO] [stdout] 250 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/lib.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | let c = CustomSmartPointer { data: String::from("my stuff") }; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/lib.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | let d = CustomSmartPointer { data: String::from("other stuff") }; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/lib.rs:96:9 [INFO] [stdout] | [INFO] [stdout] 96 | let b = Cons(3, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/lib.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | let c = Cons(4, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:307:9 [INFO] [stdout] | [INFO] [stdout] 307 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:369:10 [INFO] [stdout] | [INFO] [stdout] 369 | 1...5 => println!("one through five"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:376:12 [INFO] [stdout] | [INFO] [stdout] 376 | 'a'...'j' => println!("early ASCII letter"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:377:12 [INFO] [stdout] | [INFO] [stdout] 377 | 'k'...'z' => println!("late ASCII letter"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:378:12 [INFO] [stdout] | [INFO] [stdout] 378 | 'A'...'Z' => println!("UP ASCII letter"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:435:48 [INFO] [stdout] | [INFO] [stdout] 435 | MessageNum::Hello { id: id_variable @ 3...7 } => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:438:35 [INFO] [stdout] | [INFO] [stdout] 438 | MessageNum::Hello { id: 10...12 } => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:598:21 [INFO] [stdout] | [INFO] [stdout] 598 | let ducks: Vec<&Quack> = vec![&duck1,&duck2,&parrot, &i]; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 598 - let ducks: Vec<&Quack> = vec![&duck1,&duck2,&parrot, &i]; [INFO] [stdout] 598 + let ducks: Vec<&dyn Quack> = vec![&duck1,&duck2,&parrot, &i]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:612:21 [INFO] [stdout] | [INFO] [stdout] 612 | let vc: Vec> = vec![nvalue, fvalue]; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 612 - let vc: Vec> = vec![nvalue, fvalue]; [INFO] [stdout] 612 + let vc: Vec> = vec![nvalue, fvalue]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/main.rs:169:9 [INFO] [stdout] | [INFO] [stdout] 169 | let f = match f { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | let mut scores: HashMap<_, _> = teams.iter().zip(initial_scores.iter()).collect(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `guess_num` is never used [INFO] [stdout] --> src/main.rs:25:4 [INFO] [stdout] | [INFO] [stdout] 25 | fn guess_num(){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Rgb` is never constructed [INFO] [stdout] --> src/main.rs:450:5 [INFO] [stdout] | [INFO] [stdout] 449 | enum Color { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] 450 | Rgb(i32, i32, i32), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Quit`, `Move` and `Write` are never constructed [INFO] [stdout] --> src/main.rs:455:5 [INFO] [stdout] | [INFO] [stdout] 454 | enum Message { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 455 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] 456 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 457 | Write(String), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.50s [INFO] running `Command { std: "docker" "inspect" "a8509325cffa2233ca4b8b710aace7390dfbffa9fa15ceaa650d12f2a0440a6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8509325cffa2233ca4b8b710aace7390dfbffa9fa15ceaa650d12f2a0440a6b", kill_on_drop: false }` [INFO] [stdout] a8509325cffa2233ca4b8b710aace7390dfbffa9fa15ceaa650d12f2a0440a6b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f4782c0c82490ee73d82e0b61033a52da3a6c7e392712453527a88e1fbec81db [INFO] running `Command { std: "docker" "start" "-a" "f4782c0c82490ee73d82e0b61033a52da3a6c7e392712453527a88e1fbec81db", kill_on_drop: false }` [INFO] [stderr] warning: `panic` setting is ignored for `bench` profile [INFO] [stderr] warning: `panic` setting is ignored for `test` profile [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/lib.rs:89:9 [INFO] [stderr] | [INFO] [stderr] 89 | let c = CustomSmartPointer { data: String::from("my stuff") }; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `d` [INFO] [stderr] --> src/lib.rs:90:9 [INFO] [stderr] | [INFO] [stderr] 90 | let d = CustomSmartPointer { data: String::from("other stuff") }; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/lib.rs:96:9 [INFO] [stderr] | [INFO] [stderr] 96 | let b = Cons(3, Rc::clone(&a)); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/lib.rs:99:13 [INFO] [stderr] | [INFO] [stderr] 99 | let c = Cons(4, Rc::clone(&a)); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: function `internal_adder` is never used [INFO] [stderr] --> src/lib.rs:233:4 [INFO] [stderr] | [INFO] [stderr] 233 | fn internal_adder(a: i32, b: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: fields `width` and `height` are never read [INFO] [stderr] --> src/lib.rs:245:5 [INFO] [stderr] | [INFO] [stderr] 244 | struct Rectangle { [INFO] [stderr] | --------- fields in this struct [INFO] [stderr] 245 | width: u32, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 246 | height: u32, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: associated function `can_hold` is never used [INFO] [stderr] --> src/lib.rs:250:8 [INFO] [stderr] | [INFO] [stderr] 250 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `guessing_number` (lib) generated 7 warnings [INFO] [stderr] warning: `guessing_number` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/main.rs:307:9 [INFO] [stderr] | [INFO] [stderr] 307 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/main.rs:369:10 [INFO] [stderr] | [INFO] [stderr] 369 | 1...5 => println!("one through five"), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/main.rs:376:12 [INFO] [stderr] | [INFO] [stderr] 376 | 'a'...'j' => println!("early ASCII letter"), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/main.rs:377:12 [INFO] [stderr] | [INFO] [stderr] 377 | 'k'...'z' => println!("late ASCII letter"), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/main.rs:378:12 [INFO] [stderr] | [INFO] [stderr] 378 | 'A'...'Z' => println!("UP ASCII letter"), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/main.rs:435:48 [INFO] [stderr] | [INFO] [stderr] 435 | MessageNum::Hello { id: id_variable @ 3...7 } => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/main.rs:438:35 [INFO] [stderr] | [INFO] [stderr] 438 | MessageNum::Hello { id: 10...12 } => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:598:21 [INFO] [stderr] | [INFO] [stderr] 598 | let ducks: Vec<&Quack> = vec![&duck1,&duck2,&parrot, &i]; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 598 - let ducks: Vec<&Quack> = vec![&duck1,&duck2,&parrot, &i]; [INFO] [stderr] 598 + let ducks: Vec<&dyn Quack> = vec![&duck1,&duck2,&parrot, &i]; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:612:21 [INFO] [stderr] | [INFO] [stderr] 612 | let vc: Vec> = vec![nvalue, fvalue]; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 612 - let vc: Vec> = vec![nvalue, fvalue]; [INFO] [stderr] 612 + let vc: Vec> = vec![nvalue, fvalue]; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/main.rs:169:9 [INFO] [stderr] | [INFO] [stderr] 169 | let f = match f { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:110:9 [INFO] [stderr] | [INFO] [stderr] 110 | let mut scores: HashMap<_, _> = teams.iter().zip(initial_scores.iter()).collect(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `guess_num` is never used [INFO] [stderr] --> src/main.rs:25:4 [INFO] [stderr] | [INFO] [stderr] 25 | fn guess_num(){ [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant `Rgb` is never constructed [INFO] [stderr] --> src/main.rs:450:5 [INFO] [stderr] | [INFO] [stderr] 449 | enum Color { [INFO] [stderr] | ----- variant in this enum [INFO] [stderr] 450 | Rgb(i32, i32, i32), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variants `Quit`, `Move` and `Write` are never constructed [INFO] [stderr] --> src/main.rs:455:5 [INFO] [stderr] | [INFO] [stderr] 454 | enum Message { [INFO] [stderr] | ------- variants in this enum [INFO] [stderr] 455 | Quit, [INFO] [stderr] | ^^^^ [INFO] [stderr] 456 | Move { x: i32, y: i32 }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 457 | Write(String), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `guessing_number` (bin "guessing_number" test) generated 14 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/guessing_number-0112e2f610f64a81) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test tests::internal ... ok [INFO] [stdout] test tests::it_sends_an_over_75_percent_warning_message ... ok [INFO] [stdout] test tests::test_add ... ok [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] test tests::do_cmd ... ok [INFO] [stdout] test tests::do_holder ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_number-56fe1e369036b811) [INFO] [stderr] Doc-tests guessing_number [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - add_one (line 147) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f4782c0c82490ee73d82e0b61033a52da3a6c7e392712453527a88e1fbec81db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4782c0c82490ee73d82e0b61033a52da3a6c7e392712453527a88e1fbec81db", kill_on_drop: false }` [INFO] [stdout] f4782c0c82490ee73d82e0b61033a52da3a6c7e392712453527a88e1fbec81db