[INFO] fetching crate japi 0.3.2... [INFO] checking japi-0.3.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate japi 0.3.2 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate japi 0.3.2 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate japi 0.3.2 [INFO] finished tweaking crates.io crate japi 0.3.2 [INFO] tweaked toml for crates.io crate japi 0.3.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 53ba8ee3cd8db139eb17eccc9a3f4fcbb540866fb0f7ed4b5c5aa54e69877a32 [INFO] running `Command { std: "docker" "start" "-a" "53ba8ee3cd8db139eb17eccc9a3f4fcbb540866fb0f7ed4b5c5aa54e69877a32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "53ba8ee3cd8db139eb17eccc9a3f4fcbb540866fb0f7ed4b5c5aa54e69877a32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53ba8ee3cd8db139eb17eccc9a3f4fcbb540866fb0f7ed4b5c5aa54e69877a32", kill_on_drop: false }` [INFO] [stdout] 53ba8ee3cd8db139eb17eccc9a3f4fcbb540866fb0f7ed4b5c5aa54e69877a32 [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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 13c99456eaa9e686a55b16c5f0f128de948be16cd6af355650f2e4d6cd18031c [INFO] running `Command { std: "docker" "start" "-a" "13c99456eaa9e686a55b16c5f0f128de948be16cd6af355650f2e4d6cd18031c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking japi v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Deserialize` [INFO] [stdout] --> src/optional_vec.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_derive::{Serialize, Deserialize}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Error` [INFO] [stdout] --> src/object/resource.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json::{Error, Value, self}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TryInto` [INFO] [stdout] --> src/object/resource.rs:4:29 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::{TryFrom, TryInto}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Links` and `Relationships` [INFO] [stdout] --> src/object/identifier.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{Meta, Relationships, Links, GenericObject, ResourceObject, Attributes}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TryInto` [INFO] [stdout] --> src/object/identifier.rs:4:29 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::{TryFrom, TryInto}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Value` [INFO] [stdout] --> src/object/conversion_error.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | Value, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_json::Value` [INFO] [stdout] --> src/links.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json::Value; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Deserialize` [INFO] [stdout] --> src/optional.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_derive::{Serialize, Deserialize}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Error` [INFO] [stdout] --> src/optional.rs:2:62 [INFO] [stdout] | [INFO] [stdout] 2 | use serde::de::{DeserializeOwned, Deserializer, Deserialize, Error}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/object/generic.rs:137:10 [INFO] [stdout] | [INFO] [stdout] 137 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Error` [INFO] [stdout] --> src/object/resource.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json::{Error, Value, self}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Links` and `Relationships` [INFO] [stdout] --> src/object/identifier.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{Meta, Relationships, Links, GenericObject, ResourceObject, Attributes}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Value` [INFO] [stdout] --> src/object/conversion_error.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | Value, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_json::Value` [INFO] [stdout] --> src/links.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json::Value; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Error` [INFO] [stdout] --> src/optional.rs:2:62 [INFO] [stdout] | [INFO] [stdout] 2 | use serde::de::{DeserializeOwned, Deserializer, Deserialize, Error}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> src/object/resource.rs:86:14 [INFO] [stdout] | [INFO] [stdout] 86 | fn links(id: &str) -> Option { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Relationships` [INFO] [stdout] --> tests/article.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | Relationships, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `json` [INFO] [stdout] --> tests/article.rs:13:24 [INFO] [stdout] | [INFO] [stdout] 13 | use serde_json::{self, json}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> src/object/resource.rs:86:14 [INFO] [stdout] | [INFO] [stdout] 86 | fn links(id: &str) -> Option { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> tests/article.rs:123:30 [INFO] [stdout] | [INFO] [stdout] 123 | included.extend(comments.into_iter().map(|v| GenericObject::from(v))); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 123 | included.extend(comments.iter().map(|v| GenericObject::from(v))); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 123 | included.extend(IntoIterator::into_iter(comments).map(|v| GenericObject::from(v))); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.02s [INFO] running `Command { std: "docker" "inspect" "13c99456eaa9e686a55b16c5f0f128de948be16cd6af355650f2e4d6cd18031c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13c99456eaa9e686a55b16c5f0f128de948be16cd6af355650f2e4d6cd18031c", kill_on_drop: false }` [INFO] [stdout] 13c99456eaa9e686a55b16c5f0f128de948be16cd6af355650f2e4d6cd18031c