[INFO] cloning repository https://github.com/vyas0189/Learn-Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vyas0189/Learn-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvyas0189%2FLearn-Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvyas0189%2FLearn-Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 48fd98456203544f9469f12df1b9181b6d84fd94 [INFO] checking vyas0189/Learn-Rust against master#23718020b12d7e5a54f82a19910e8356ee719667 for pr-146013-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvyas0189%2FLearn-Rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/vyas0189/Learn-Rust [INFO] finished tweaking git repo https://github.com/vyas0189/Learn-Rust [INFO] tweaked toml for git repo https://github.com/vyas0189/Learn-Rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/vyas0189/Learn-Rust on toolchain 23718020b12d7e5a54f82a19910e8356ee719667 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23718020b12d7e5a54f82a19910e8356ee719667" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/vyas0189/Learn-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" "+23718020b12d7e5a54f82a19910e8356ee719667" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded utf8-ranges v1.0.2 [INFO] [stderr] Downloaded ucd-util v0.1.3 [INFO] [stderr] Downloaded fsevent v0.4.0 [INFO] [stderr] Downloaded normalize-line-endings v0.2.2 [INFO] [stderr] Downloaded fuchsia-cprng v0.1.1 [INFO] [stderr] Downloaded rand_hc v0.1.0 [INFO] [stderr] Downloaded treeline v0.1.0 [INFO] [stderr] Downloaded thread_local v0.3.6 [INFO] [stderr] Downloaded rand_pcg v0.1.2 [INFO] [stderr] Downloaded itoa v0.4.4 [INFO] [stderr] Downloaded rand_os v0.1.3 [INFO] [stderr] Downloaded termion v1.5.2 [INFO] [stderr] Downloaded vec_map v0.8.1 [INFO] [stderr] Downloaded ryu v0.2.8 [INFO] [stderr] Downloaded escargot v0.4.0 [INFO] [stderr] Downloaded console v0.8.0 [INFO] [stderr] Downloaded rand v0.6.5 [INFO] [stderr] Downloaded clap v2.33.0 [INFO] [stderr] Downloaded mio v0.6.19 [INFO] [stderr] Downloaded regex v1.1.6 [INFO] [stderr] Downloaded redox_syscall v0.1.54 [INFO] [stderr] Downloaded predicates v1.0.1 [INFO] [stderr] Downloaded syn v0.15.34 [INFO] [stderr] Downloaded predicates-tree v1.0.0 [INFO] [stderr] Downloaded assert_cmd v0.11.1 [INFO] [stderr] Downloaded encode_unicode v0.3.5 [INFO] [stderr] Downloaded termios v0.3.1 [INFO] [stderr] Downloaded winapi v0.3.8 [INFO] [stderr] Downloaded number_prefix v0.2.8 [INFO] [stderr] Downloaded rand_core v0.4.0 [INFO] [stderr] Downloaded parking_lot v0.8.0 [INFO] [stderr] Downloaded inotify-sys v0.1.3 [INFO] [stderr] Downloaded numtoa v0.1.0 [INFO] [stderr] Downloaded parking_lot_core v0.5.0 [INFO] [stderr] Downloaded net2 v0.2.33 [INFO] [stderr] Downloaded same-file v1.0.4 [INFO] [stderr] Downloaded walkdir v2.2.7 [INFO] [stderr] Downloaded float-cmp v0.4.0 [INFO] [stderr] Downloaded aho-corasick v0.7.3 [INFO] [stderr] Downloaded log v0.4.6 [INFO] [stderr] Downloaded unicode-width v0.1.5 [INFO] [stderr] Downloaded redox_termios v0.1.1 [INFO] [stderr] Downloaded atty v0.2.11 [INFO] [stderr] Downloaded lock_api v0.2.0 [INFO] [stderr] Downloaded regex-syntax v0.6.6 [INFO] [stderr] Downloaded rand_chacha v0.1.1 [INFO] [stderr] Downloaded rand_core v0.3.1 [INFO] [stderr] Downloaded smallvec v0.6.9 [INFO] [stderr] Downloaded semver-parser v0.7.0 [INFO] [stderr] Downloaded semver v0.9.0 [INFO] [stderr] Downloaded rustc_version v0.2.3 [INFO] [stderr] Downloaded filetime v0.2.5 [INFO] [stderr] Downloaded fsevent-sys v2.0.1 [INFO] [stderr] Downloaded mio-extras v2.0.5 [INFO] [stderr] Downloaded ws2_32-sys v0.2.1 [INFO] [stderr] Downloaded predicates-core v1.0.0 [INFO] [stderr] Downloaded serde_derive v1.0.92 [INFO] [stderr] Downloaded serde v1.0.92 [INFO] [stderr] Downloaded rand_isaac v0.1.1 [INFO] [stderr] Downloaded rand_jitter v0.1.4 [INFO] [stderr] Downloaded rdrand v0.4.0 [INFO] [stderr] Downloaded lazycell v1.2.1 [INFO] [stderr] Downloaded bitflags v1.0.4 [INFO] [stderr] Downloaded fuchsia-zircon-sys v0.3.3 [INFO] [stderr] Downloaded notify v4.0.15 [INFO] [stderr] Downloaded ansi_term v0.11.0 [INFO] [stderr] Downloaded iovec v0.1.2 [INFO] [stderr] Downloaded console v0.7.7 [INFO] [stderr] Downloaded rand_xorshift v0.1.1 [INFO] [stderr] Downloaded indicatif v0.10.3 [INFO] [stderr] Downloaded inotify v0.7.0 [INFO] [stderr] Downloaded fuchsia-zircon v0.3.3 [INFO] [stderr] Downloaded miow v0.2.1 [INFO] [stderr] Downloaded winapi-util v0.1.2 [INFO] [stderr] Downloaded clicolors-control v1.0.0 [INFO] [stderr] Downloaded scopeguard v1.0.0 [INFO] [stderr] Downloaded toml v0.4.10 [INFO] [stderr] Downloaded slab v0.4.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+23718020b12d7e5a54f82a19910e8356ee719667" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1db892d948fc62570f84d0bb783f5f834f14e4e2b6231fd8a216353caa747915 [INFO] running `Command { std: "docker" "start" "-a" "1db892d948fc62570f84d0bb783f5f834f14e4e2b6231fd8a216353caa747915", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1db892d948fc62570f84d0bb783f5f834f14e4e2b6231fd8a216353caa747915", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1db892d948fc62570f84d0bb783f5f834f14e4e2b6231fd8a216353caa747915", kill_on_drop: false }` [INFO] [stdout] 1db892d948fc62570f84d0bb783f5f834f14e4e2b6231fd8a216353caa747915 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+23718020b12d7e5a54f82a19910e8356ee719667" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5060e5fb7913052cc2109201fc2c8d9678cfea771f32cf1a2cf799b5b3522df8 [INFO] running `Command { std: "docker" "start" "-a" "5060e5fb7913052cc2109201fc2c8d9678cfea771f32cf1a2cf799b5b3522df8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Checking lock_api v0.2.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking clicolors-control v1.0.0 [INFO] [stderr] Checking termios v0.3.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking inotify v0.7.0 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking number_prefix v0.2.8 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking filetime v0.2.5 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking console v0.8.0 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking predicates v1.0.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking notify v4.0.15 [INFO] [stderr] Checking indicatif v0.10.3 [INFO] [stderr] Checking console v0.7.7 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking rustlings v4.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/exercise.rs:26:10 [INFO] [stdout] | [INFO] [stdout] 26 | #[derive(Deserialize, Copy, Clone)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/exercise.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | #[derive(Deserialize)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/exercise.rs:44:10 [INFO] [stdout] | [INFO] [stdout] 44 | #[derive(Deserialize)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/exercise.rs:26:10 [INFO] [stdout] | [INFO] [stdout] 26 | #[derive(Deserialize, Copy, Clone)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Mode` [INFO] [stdout] 27 | #[serde(rename_all = "lowercase")] [INFO] [stdout] 28 | pub enum Mode { [INFO] [stdout] | ---- `Mode` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/exercise.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | #[derive(Deserialize)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_ExerciseList` [INFO] [stdout] 38 | pub struct ExerciseList { [INFO] [stdout] | ------------ `ExerciseList` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/exercise.rs:44:10 [INFO] [stdout] | [INFO] [stdout] 44 | #[derive(Deserialize)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Exercise` [INFO] [stdout] 45 | pub struct Exercise { [INFO] [stdout] | -------- `Exercise` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:108:20 [INFO] [stdout] | [INFO] [stdout] 108 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 108 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/exercise.rs:26:10 [INFO] [stdout] | [INFO] [stdout] 26 | #[derive(Deserialize, Copy, Clone)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/exercise.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | #[derive(Deserialize)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/exercise.rs:44:10 [INFO] [stdout] | [INFO] [stdout] 44 | #[derive(Deserialize)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/exercise.rs:26:10 [INFO] [stdout] | [INFO] [stdout] 26 | #[derive(Deserialize, Copy, Clone)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Mode` [INFO] [stdout] 27 | #[serde(rename_all = "lowercase")] [INFO] [stdout] 28 | pub enum Mode { [INFO] [stdout] | ---- `Mode` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/exercise.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | #[derive(Deserialize)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_ExerciseList` [INFO] [stdout] 38 | pub struct ExerciseList { [INFO] [stdout] | ------------ `ExerciseList` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/exercise.rs:44:10 [INFO] [stdout] | [INFO] [stdout] 44 | #[derive(Deserialize)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Exercise` [INFO] [stdout] 45 | pub struct Exercise { [INFO] [stdout] | -------- `Exercise` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:108:20 [INFO] [stdout] | [INFO] [stdout] 108 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 108 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.12s [INFO] running `Command { std: "docker" "inspect" "5060e5fb7913052cc2109201fc2c8d9678cfea771f32cf1a2cf799b5b3522df8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5060e5fb7913052cc2109201fc2c8d9678cfea771f32cf1a2cf799b5b3522df8", kill_on_drop: false }` [INFO] [stdout] 5060e5fb7913052cc2109201fc2c8d9678cfea771f32cf1a2cf799b5b3522df8