[INFO] cloning repository https://github.com/yunlongYoung/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yunlongYoung/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyunlongYoung%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyunlongYoung%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3bea290421a45b1117b1469fa48254ad58605cfc [INFO] checking yunlongYoung/rustlings against master#30840c53f414b753cb08f14620906572f88dda4b for pr-123531 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyunlongYoung%2Frustlings" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yunlongYoung/rustlings on toolchain 30840c53f414b753cb08f14620906572f88dda4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30840c53f414b753cb08f14620906572f88dda4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yunlongYoung/rustlings [INFO] finished tweaking git repo https://github.com/yunlongYoung/rustlings [INFO] tweaked toml for git repo https://github.com/yunlongYoung/rustlings written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/yunlongYoung/rustlings 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" "+30840c53f414b753cb08f14620906572f88dda4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded clicolors-control v0.2.0 [INFO] [stderr] Downloaded console v0.6.2 [INFO] [stderr] Downloaded indicatif v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30840c53f414b753cb08f14620906572f88dda4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 19d5a94d9c23a0625884290611d2c642770512f20508fc00e6618c5958089def [INFO] running `Command { std: "docker" "start" "-a" "19d5a94d9c23a0625884290611d2c642770512f20508fc00e6618c5958089def", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "19d5a94d9c23a0625884290611d2c642770512f20508fc00e6618c5958089def", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19d5a94d9c23a0625884290611d2c642770512f20508fc00e6618c5958089def", kill_on_drop: false }` [INFO] [stdout] 19d5a94d9c23a0625884290611d2c642770512f20508fc00e6618c5958089def [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30840c53f414b753cb08f14620906572f88dda4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 514622e117419d04ffcc87a34d6bd7d7dab0f6f12f156ebae72703195ff56c37 [INFO] running `Command { std: "docker" "start" "-a" "514622e117419d04ffcc87a34d6bd7d7dab0f6f12f156ebae72703195ff56c37", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Compiling num-traits v0.2.9 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Checking termios v0.3.1 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking ucd-util v0.1.5 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking clicolors-control v1.0.1 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking inotify v0.6.1 [INFO] [stderr] Checking clicolors-control v0.2.0 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking filetime v0.2.8 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking float-cmp v0.5.3 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking notify v4.0.14 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking console v0.9.1 [INFO] [stderr] Checking console v0.6.2 [INFO] [stderr] Checking predicates v1.0.2 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Checking indicatif v0.9.0 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking rustlings v2.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation [INFO] [stdout] --> src/exercise.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Deserialize, Copy, Clone)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: move this `impl` block outside the of the current constant `_IMPL_DESERIALIZE_FOR_Mode` [INFO] [stdout] = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [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: `#[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, they should be avoided as they go against expectation [INFO] [stdout] --> src/exercise.rs:24:10 [INFO] [stdout] | [INFO] [stdout] 24 | #[derive(Deserialize)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: move this `impl` block outside the of the current constant `_IMPL_DESERIALIZE_FOR_ExerciseList` [INFO] [stdout] = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [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: 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, they should be avoided as they go against expectation [INFO] [stdout] --> src/exercise.rs:29:10 [INFO] [stdout] | [INFO] [stdout] 29 | #[derive(Deserialize)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: move this `impl` block outside the of the current constant `_IMPL_DESERIALIZE_FOR_Exercise` [INFO] [stdout] = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [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: 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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stdout] warning: non-local `impl` definition, they should be avoided as they go against expectation [INFO] [stdout] --> src/exercise.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Deserialize, Copy, Clone)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: move this `impl` block outside the of the current constant `_IMPL_DESERIALIZE_FOR_Mode` [INFO] [stdout] = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [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: `#[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, they should be avoided as they go against expectation [INFO] [stdout] --> src/exercise.rs:24:10 [INFO] [stdout] | [INFO] [stdout] 24 | #[derive(Deserialize)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: move this `impl` block outside the of the current constant `_IMPL_DESERIALIZE_FOR_ExerciseList` [INFO] [stdout] = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [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: 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, they should be avoided as they go against expectation [INFO] [stdout] --> src/exercise.rs:29:10 [INFO] [stdout] | [INFO] [stdout] 29 | #[derive(Deserialize)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: move this `impl` block outside the of the current constant `_IMPL_DESERIALIZE_FOR_Exercise` [INFO] [stdout] = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [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: 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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.68s [INFO] running `Command { std: "docker" "inspect" "514622e117419d04ffcc87a34d6bd7d7dab0f6f12f156ebae72703195ff56c37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "514622e117419d04ffcc87a34d6bd7d7dab0f6f12f156ebae72703195ff56c37", kill_on_drop: false }` [INFO] [stdout] 514622e117419d04ffcc87a34d6bd7d7dab0f6f12f156ebae72703195ff56c37