[INFO] fetching crate serde_tuple 1.1.0... [INFO] checking serde_tuple-1.1.0 against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249 [INFO] extracting crate serde_tuple 1.1.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate serde_tuple 1.1.0 on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate serde_tuple 1.1.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate serde_tuple 1.1.0 [INFO] tweaked toml for crates.io crate serde_tuple 1.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate serde_tuple 1.1.0 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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 71899e3192c9e5bf90cd2dea406277df937c6e8196163c119de8e1bf76876171 [INFO] running `Command { std: "docker" "start" "-a" "71899e3192c9e5bf90cd2dea406277df937c6e8196163c119de8e1bf76876171", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "71899e3192c9e5bf90cd2dea406277df937c6e8196163c119de8e1bf76876171", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71899e3192c9e5bf90cd2dea406277df937c6e8196163c119de8e1bf76876171", kill_on_drop: false }` [INFO] [stdout] 71899e3192c9e5bf90cd2dea406277df937c6e8196163c119de8e1bf76876171 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fbeefea06a06975efb79c3b7352238b7d9fbaea831bc438fdfabb41cc09e0108 [INFO] running `Command { std: "docker" "start" "-a" "fbeefea06a06975efb79c3b7352238b7d9fbaea831bc438fdfabb41cc09e0108", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Compiling serde_tuple_macros v1.0.1 [INFO] [stderr] Checking serde_json v1.0.50 [INFO] [stderr] Checking serde_tuple v1.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::borrow::Cow` [INFO] [stdout] --> examples/simple.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::borrow::Cow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> examples/simple.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug, Serialize_tuple, Deserialize_tuple)] [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 `serde::Serialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `serde::Serialize` 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 `serde::Serialize` (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] --> examples/simple.rs:5:34 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug, Serialize_tuple, Deserialize_tuple)] [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 `serde::Deserialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `serde::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 `serde::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] --> examples/simple.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(serde::Serialize, serde::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 `serde::Serialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `serde::Serialize` 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 `serde::Serialize` (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] --> examples/simple.rs:15:28 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(serde::Serialize, serde::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 `serde::Deserialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `serde::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 `serde::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] --> examples/simple.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | #[derive(Debug, Serialize_tuple, Deserialize_tuple)] [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 `serde::Serialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `serde::Serialize` 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 `serde::Serialize` (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] --> examples/simple.rs:18:34 [INFO] [stdout] | [INFO] [stdout] 18 | #[derive(Debug, Serialize_tuple, Deserialize_tuple)] [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 `serde::Deserialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `serde::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 `serde::Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Ok` is never constructed [INFO] [stdout] --> examples/simple.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | struct Ok; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `&str` to `&str` [INFO] [stdout] --> examples/simple.rs:26:29 [INFO] [stdout] | [INFO] [stdout] 26 | let foo = Foo { string: "Yes".into(), baz: 22, other: Bar { count: 3 } }; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [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] --> examples/simple.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug, Serialize_tuple, Deserialize_tuple)] [INFO] [stdout] | ^-------------- [INFO] [stdout] | | [INFO] [stdout] | `Inner` is not local [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Inner` and up 2 bodies [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `serde::Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `serde::Serialize` 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 `serde::Serialize` which comes from the expansion of the derive macro `Serialize_tuple` (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] --> examples/simple.rs:5:34 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug, Serialize_tuple, Deserialize_tuple)] [INFO] [stdout] | ^---------------- [INFO] [stdout] | | [INFO] [stdout] | `Inner` is not local [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Inner` and up 2 bodies [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `serde::Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `serde::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 `serde::Deserialize` which comes from the expansion of the derive macro `Deserialize_tuple` (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] --> examples/simple.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(serde::Serialize, serde::Deserialize)] [INFO] [stdout] | ^--------------- [INFO] [stdout] | | [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Unit` [INFO] [stdout] 16 | pub struct Unit; [INFO] [stdout] | ---- `Unit` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `serde::Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `serde::Serialize` 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 `serde::Serialize` (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] --> examples/simple.rs:15:28 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(serde::Serialize, serde::Deserialize)] [INFO] [stdout] | ^----------------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Unit` [INFO] [stdout] 16 | pub struct Unit; [INFO] [stdout] | ---- `Unit` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `serde::Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `serde::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 `serde::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] --> examples/simple.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | #[derive(Debug, Serialize_tuple, Deserialize_tuple)] [INFO] [stdout] | ^-------------- [INFO] [stdout] | | [INFO] [stdout] | `Inner` is not local [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Inner` and up 2 bodies [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `serde::Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `serde::Serialize` 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 `serde::Serialize` which comes from the expansion of the derive macro `Serialize_tuple` (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] --> examples/simple.rs:18:34 [INFO] [stdout] | [INFO] [stdout] 18 | #[derive(Debug, Serialize_tuple, Deserialize_tuple)] [INFO] [stdout] | ^---------------- [INFO] [stdout] | | [INFO] [stdout] | `Inner` is not local [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Inner` and up 2 bodies [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `serde::Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `serde::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 `serde::Deserialize` which comes from the expansion of the derive macro `Deserialize_tuple` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `serde_tuple` (example "simple") due to 1 previous error; 14 warnings emitted [INFO] running `Command { std: "docker" "inspect" "fbeefea06a06975efb79c3b7352238b7d9fbaea831bc438fdfabb41cc09e0108", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbeefea06a06975efb79c3b7352238b7d9fbaea831bc438fdfabb41cc09e0108", kill_on_drop: false }` [INFO] [stdout] fbeefea06a06975efb79c3b7352238b7d9fbaea831bc438fdfabb41cc09e0108