[INFO] fetching crate nebula-derive 0.0.1... [INFO] checking nebula-derive-0.0.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate nebula-derive 0.0.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate nebula-derive 0.0.1 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] removed /workspace/builds/worker-7-tc2/source/rust-toolchain [INFO] started tweaking crates.io crate nebula-derive 0.0.1 [INFO] finished tweaking crates.io crate nebula-derive 0.0.1 [INFO] tweaked toml for crates.io crate nebula-derive 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] [stderr] Adding darling v0.14.4 (available: v0.20.10) [INFO] [stderr] Adding darling_core v0.14.4 (available: v0.20.10) [INFO] [stderr] Adding darling_macro v0.14.4 (available: v0.20.10) [INFO] [stderr] Adding strsim v0.10.0 (available: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3df639b63c6459db12c6d27e9246484e1b370ebb7db24a280d931bd81206d8c0 [INFO] running `Command { std: "docker" "start" "-a" "3df639b63c6459db12c6d27e9246484e1b370ebb7db24a280d931bd81206d8c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3df639b63c6459db12c6d27e9246484e1b370ebb7db24a280d931bd81206d8c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3df639b63c6459db12c6d27e9246484e1b370ebb7db24a280d931bd81206d8c0", kill_on_drop: false }` [INFO] [stdout] 3df639b63c6459db12c6d27e9246484e1b370ebb7db24a280d931bd81206d8c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1e3eb39f9cd63ee2aebef2cc989d5fec756876204f39fd6366cd1db838a18d7b [INFO] running `Command { std: "docker" "start" "-a" "1e3eb39f9cd63ee2aebef2cc989d5fec756876204f39fd6366cd1db838a18d7b", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking unicode-ident v1.0.13 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking ident_case v1.0.1 [INFO] [stderr] Checking proc-macro2 v1.0.86 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking darling_core v0.14.4 [INFO] [stderr] Compiling darling_macro v0.14.4 [INFO] [stderr] Checking darling v0.14.4 [INFO] [stderr] Checking nebula-derive v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `LexError` [INFO] [stdout] --> src/lib.rs:9:24 [INFO] [stdout] | [INFO] [stdout] 9 | use proc_macro::{self, LexError}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DataEnum`, `DataUnion`, `Ident`, and `Type` [INFO] [stdout] --> src/lib.rs:15:24 [INFO] [stdout] | [INFO] [stdout] 15 | parse_macro_input, DataEnum, DataUnion, DeriveInput, Field, FieldsNamed, FieldsUnnamed, Ident, [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^ ^^^^^ [INFO] [stdout] 16 | Type, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `getter` [INFO] [stdout] --> src/lib.rs:19:14 [INFO] [stdout] | [INFO] [stdout] 19 | macro_rules! getter { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `java_getter` [INFO] [stdout] --> src/lib.rs:29:14 [INFO] [stdout] | [INFO] [stdout] 29 | macro_rules! java_getter { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `setter` [INFO] [stdout] --> src/lib.rs:39:14 [INFO] [stdout] | [INFO] [stdout] 39 | macro_rules! setter { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `java_setter` [INFO] [stdout] --> src/lib.rs:49:14 [INFO] [stdout] | [INFO] [stdout] 49 | macro_rules! java_setter { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `LexError` [INFO] [stdout] --> src/lib.rs:9:24 [INFO] [stdout] | [INFO] [stdout] 9 | use proc_macro::{self, LexError}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DataEnum`, `DataUnion`, `Ident`, and `Type` [INFO] [stdout] --> src/lib.rs:15:24 [INFO] [stdout] | [INFO] [stdout] 15 | parse_macro_input, DataEnum, DataUnion, DeriveInput, Field, FieldsNamed, FieldsUnnamed, Ident, [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^ ^^^^^ [INFO] [stdout] 16 | Type, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `getter` [INFO] [stdout] --> src/lib.rs:19:14 [INFO] [stdout] | [INFO] [stdout] 19 | macro_rules! getter { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `java_getter` [INFO] [stdout] --> src/lib.rs:29:14 [INFO] [stdout] | [INFO] [stdout] 29 | macro_rules! java_getter { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `setter` [INFO] [stdout] --> src/lib.rs:39:14 [INFO] [stdout] | [INFO] [stdout] 39 | macro_rules! setter { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `java_setter` [INFO] [stdout] --> src/lib.rs:49:14 [INFO] [stdout] | [INFO] [stdout] 49 | macro_rules! java_setter { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/lib.rs:139:17 [INFO] [stdout] | [INFO] [stdout] 139 | format!("a struct with {} unnamed fields", num_fields); [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: unused return value of `must_use` that must be used [INFO] [stdout] --> src/lib.rs:143:17 [INFO] [stdout] | [INFO] [stdout] 143 | format!("a unit struct"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/lib.rs:139:17 [INFO] [stdout] | [INFO] [stdout] 139 | format!("a struct with {} unnamed fields", num_fields); [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: unused return value of `must_use` that must be used [INFO] [stdout] --> src/lib.rs:143:17 [INFO] [stdout] | [INFO] [stdout] 143 | format!("a unit struct"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.21s [INFO] running `Command { std: "docker" "inspect" "1e3eb39f9cd63ee2aebef2cc989d5fec756876204f39fd6366cd1db838a18d7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e3eb39f9cd63ee2aebef2cc989d5fec756876204f39fd6366cd1db838a18d7b", kill_on_drop: false }` [INFO] [stdout] 1e3eb39f9cd63ee2aebef2cc989d5fec756876204f39fd6366cd1db838a18d7b