[INFO] cloning repository https://github.com/skrap/rusted_cart [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skrap/rusted_cart" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskrap%2Frusted_cart", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskrap%2Frusted_cart'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 661f75d65b3a215c9b4d8186013a662339b005c5 [INFO] checking skrap/rusted_cart/661f75d65b3a215c9b4d8186013a662339b005c5 against master#092a284ba0421695f2032c947765429fd7095796 for pr-139763 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskrap%2Frusted_cart" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/skrap/rusted_cart on toolchain 092a284ba0421695f2032c947765429fd7095796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/skrap/rusted_cart [INFO] finished tweaking git repo https://github.com/skrap/rusted_cart [INFO] tweaked toml for git repo https://github.com/skrap/rusted_cart written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/skrap/rusted_cart 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" "+092a284ba0421695f2032c947765429fd7095796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_derive v1.0.89 [INFO] [stderr] Downloaded permutator v0.3.3 [INFO] [stderr] Downloaded syn v0.15.27 [INFO] [stderr] Downloaded csv v1.0.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4a098219b41935c33c912d0a02a1732bf040f4dc41cf9b1dcb2e21dec2fc81e1 [INFO] running `Command { std: "docker" "start" "-a" "4a098219b41935c33c912d0a02a1732bf040f4dc41cf9b1dcb2e21dec2fc81e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4a098219b41935c33c912d0a02a1732bf040f4dc41cf9b1dcb2e21dec2fc81e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a098219b41935c33c912d0a02a1732bf040f4dc41cf9b1dcb2e21dec2fc81e1", kill_on_drop: false }` [INFO] [stdout] 4a098219b41935c33c912d0a02a1732bf040f4dc41cf9b1dcb2e21dec2fc81e1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7259cc07a46856fce93e6e6af86e3c508d2176f1534dddf226f4f35b0944c5b9 [INFO] running `Command { std: "docker" "start" "-a" "7259cc07a46856fce93e6e6af86e3c508d2176f1534dddf226f4f35b0944c5b9", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Compiling libc v0.2.49 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling syn v0.15.27 [INFO] [stderr] Checking csv-core v0.1.5 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking permutator v0.3.3 [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Checking csv v1.0.5 [INFO] [stderr] Checking rusted_cart v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/main.rs:344:10 [INFO] [stdout] | [INFO] [stdout] 344 | #[derive(Deserialize, Debug, Clone, Copy)] [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: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:7:38 [INFO] [stdout] | [INFO] [stdout] 7 | fn mushes() -> Result, Box> { [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 7 | fn mushes() -> Result, Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/main.rs:344:10 [INFO] [stdout] | [INFO] [stdout] 344 | #[derive(Deserialize, Debug, Clone, Copy)] [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: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:7:38 [INFO] [stdout] | [INFO] [stdout] 7 | fn mushes() -> Result, Box> { [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 7 | fn mushes() -> Result, Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Gini` is never constructed [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | enum SplitType { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 19 | Gini, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `parent_idx` is never read [INFO] [stdout] --> src/main.rs:241:5 [INFO] [stdout] | [INFO] [stdout] 237 | struct Answer { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 241 | parent_idx: Option, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Answer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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/main.rs:344:10 [INFO] [stdout] | [INFO] [stdout] 344 | #[derive(Deserialize, Debug, Clone, Copy)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Mush` [INFO] [stdout] 345 | struct Mush { [INFO] [stdout] | ---- `Mush` 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: variant `Gini` is never constructed [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | enum SplitType { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 19 | Gini, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `parent_idx` is never read [INFO] [stdout] --> src/main.rs:241:5 [INFO] [stdout] | [INFO] [stdout] 237 | struct Answer { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 241 | parent_idx: Option, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Answer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/main.rs:157:5 [INFO] [stdout] | [INFO] [stdout] 157 | format!("{}", q); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `format` (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/main.rs:344:10 [INFO] [stdout] | [INFO] [stdout] 344 | #[derive(Deserialize, Debug, Clone, Copy)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Mush` [INFO] [stdout] 345 | struct Mush { [INFO] [stdout] | ---- `Mush` 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.79s [INFO] running `Command { std: "docker" "inspect" "7259cc07a46856fce93e6e6af86e3c508d2176f1534dddf226f4f35b0944c5b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7259cc07a46856fce93e6e6af86e3c508d2176f1534dddf226f4f35b0944c5b9", kill_on_drop: false }` [INFO] [stdout] 7259cc07a46856fce93e6e6af86e3c508d2176f1534dddf226f4f35b0944c5b9