[INFO] fetching crate tokio-serde-json 0.3.0... [INFO] checking tokio-serde-json-0.3.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate tokio-serde-json 0.3.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate tokio-serde-json 0.3.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tokio-serde-json 0.3.0 [INFO] finished tweaking crates.io crate tokio-serde-json 0.3.0 [INFO] tweaked toml for crates.io crate tokio-serde-json 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate tokio-serde-json 0.3.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 993384508dbf1f14d0f3ba6bc0ce1e0619dbab70a5dd1f0acfb9a8b35a94da49 [INFO] running `Command { std: "docker" "start" "-a" "993384508dbf1f14d0f3ba6bc0ce1e0619dbab70a5dd1f0acfb9a8b35a94da49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "993384508dbf1f14d0f3ba6bc0ce1e0619dbab70a5dd1f0acfb9a8b35a94da49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "993384508dbf1f14d0f3ba6bc0ce1e0619dbab70a5dd1f0acfb9a8b35a94da49", kill_on_drop: false }` [INFO] [stdout] 993384508dbf1f14d0f3ba6bc0ce1e0619dbab70a5dd1f0acfb9a8b35a94da49 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4472c3fd0e6bfbb8f7666e662f9eef439d1ad8c9d4a084bce595b3960cf38cb5 [INFO] running `Command { std: "docker" "start" "-a" "4472c3fd0e6bfbb8f7666e662f9eef439d1ad8c9d4a084bce595b3960cf38cb5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling pin-project-internal v0.4.2 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking tracing-core v0.1.6 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-sync v0.2.0-alpha.6 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.19 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Compiling tracing-attributes v0.1.4 [INFO] [stderr] Compiling tokio-macros v0.2.0-alpha.6 [INFO] [stderr] Checking tracing v0.1.9 [INFO] [stderr] Checking tokio-executor v0.2.0-alpha.6 [INFO] [stderr] Checking pin-project v0.4.2 [INFO] [stderr] Checking tokio-io v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-serde v0.4.0 [INFO] [stderr] Checking tokio-serde-json v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/lib.rs:81:1 [INFO] [stdout] | [INFO] [stdout] 81 | #[pin_project] [INFO] [stdout] | ^------------- [INFO] [stdout] | | [INFO] [stdout] | `Unpin` is not local [INFO] [stdout] | move the `impl` block outside of this function `__unpin_scope_ReadJson` [INFO] [stdout] 82 | pub struct ReadJson { [INFO] [stdout] | -------- `ReadJson` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `::pin_project::__private::__PinProjectAutoImplUnpin` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `::pin_project::__private::__PinProjectAutoImplUnpin` may come from an old version of the `pin_project_internal` crate, try updating your dependency with `cargo update -p pin_project_internal` [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: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `::pin_project::__private::__PinProjectAutoImplUnpin` which comes from the expansion of the attribute macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:81:1 [INFO] [stdout] | [INFO] [stdout] 81 | #[pin_project] [INFO] [stdout] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the attribute macro `pin_project` (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/lib.rs:98:1 [INFO] [stdout] | [INFO] [stdout] 98 | #[pin_project] [INFO] [stdout] | ^------------- [INFO] [stdout] | | [INFO] [stdout] | `Unpin` is not local [INFO] [stdout] | move the `impl` block outside of this function `__unpin_scope_WriteJson` [INFO] [stdout] 99 | pub struct WriteJson { [INFO] [stdout] | --------- `WriteJson` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `::pin_project::__private::__PinProjectAutoImplUnpin` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `::pin_project::__private::__PinProjectAutoImplUnpin` may come from an old version of the `pin_project_internal` crate, try updating your dependency with `cargo update -p pin_project_internal` [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: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: this warning originates in the derive macro `::pin_project::__private::__PinProjectAutoImplUnpin` which comes from the expansion of the attribute macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:98:1 [INFO] [stdout] | [INFO] [stdout] 98 | #[pin_project] [INFO] [stdout] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the attribute macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tokio-codec v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-fs v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-net v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-timer v0.3.0-alpha.6 [INFO] [stderr] Checking tokio v0.2.0-alpha.6 [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/lib.rs:81:1 [INFO] [stdout] | [INFO] [stdout] 81 | #[pin_project] [INFO] [stdout] | ^------------- [INFO] [stdout] | | [INFO] [stdout] | `Unpin` is not local [INFO] [stdout] | move the `impl` block outside of this function `__unpin_scope_ReadJson` [INFO] [stdout] 82 | pub struct ReadJson { [INFO] [stdout] | -------- `ReadJson` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `::pin_project::__private::__PinProjectAutoImplUnpin` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `::pin_project::__private::__PinProjectAutoImplUnpin` may come from an old version of the `pin_project_internal` crate, try updating your dependency with `cargo update -p pin_project_internal` [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: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `::pin_project::__private::__PinProjectAutoImplUnpin` which comes from the expansion of the attribute macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:81:1 [INFO] [stdout] | [INFO] [stdout] 81 | #[pin_project] [INFO] [stdout] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the attribute macro `pin_project` (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/lib.rs:98:1 [INFO] [stdout] | [INFO] [stdout] 98 | #[pin_project] [INFO] [stdout] | ^------------- [INFO] [stdout] | | [INFO] [stdout] | `Unpin` is not local [INFO] [stdout] | move the `impl` block outside of this function `__unpin_scope_WriteJson` [INFO] [stdout] 99 | pub struct WriteJson { [INFO] [stdout] | --------- `WriteJson` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `::pin_project::__private::__PinProjectAutoImplUnpin` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `::pin_project::__private::__PinProjectAutoImplUnpin` may come from an old version of the `pin_project_internal` crate, try updating your dependency with `cargo update -p pin_project_internal` [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: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: this warning originates in the derive macro `::pin_project::__private::__PinProjectAutoImplUnpin` which comes from the expansion of the attribute macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:98:1 [INFO] [stdout] | [INFO] [stdout] 98 | #[pin_project] [INFO] [stdout] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the attribute macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.88s [INFO] running `Command { std: "docker" "inspect" "4472c3fd0e6bfbb8f7666e662f9eef439d1ad8c9d4a084bce595b3960cf38cb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4472c3fd0e6bfbb8f7666e662f9eef439d1ad8c9d4a084bce595b3960cf38cb5", kill_on_drop: false }` [INFO] [stdout] 4472c3fd0e6bfbb8f7666e662f9eef439d1ad8c9d4a084bce595b3960cf38cb5