[INFO] fetching crate cfg 0.5.0... [INFO] checking cfg-0.5.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056 [INFO] extracting crate cfg 0.5.0 into /workspace/builds/worker-58/source [INFO] validating manifest of crates.io crate cfg 0.5.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate cfg 0.5.0 [INFO] finished tweaking crates.io crate cfg 0.5.0 [INFO] tweaked toml for crates.io crate cfg 0.5.0 written to /workspace/builds/worker-58/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c31a20a8b2c4b37394a477b69fa915f6f1a0013e04da102a6b1a68686d906b70 [INFO] running `Command { std: "docker" "start" "-a" "c31a20a8b2c4b37394a477b69fa915f6f1a0013e04da102a6b1a68686d906b70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c31a20a8b2c4b37394a477b69fa915f6f1a0013e04da102a6b1a68686d906b70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c31a20a8b2c4b37394a477b69fa915f6f1a0013e04da102a6b1a68686d906b70", kill_on_drop: false }` [INFO] [stdout] c31a20a8b2c4b37394a477b69fa915f6f1a0013e04da102a6b1a68686d906b70 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9a4d7ee7613c6e1786e3d3098a34c454b6ba0b35b72a01d5749acedbf40cb89d [INFO] running `Command { std: "docker" "start" "-a" "9a4d7ee7613c6e1786e3d3098a34c454b6ba0b35b72a01d5749acedbf40cb89d", 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] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking optional v0.5.0 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking bit-matrix v0.6.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking cfg v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/symbol/source.rs:48:34 [INFO] [stdout] | [INFO] [stdout] 48 | impl SymbolContainer for ( Symbol $(, $T)* ) { [INFO] [stdout] | ^ ^ [INFO] [stdout] ... [INFO] [stdout] 60 | impl_generate!( [INFO] [stdout] | _- [INFO] [stdout] | |_| [INFO] [stdout] | | [INFO] [stdout] 61 | | Symbol, next_sym, Symbol, next_sym, Symbol, next_sym, Symbol, next_sym, [INFO] [stdout] 62 | | Symbol, next_sym, Symbol, next_sym, Symbol, next_sym, Symbol, next_sym, [INFO] [stdout] 63 | | Symbol, next_sym, Symbol, next_sym, Symbol, next_sym, Symbol, next_sym, [INFO] [stdout] ... | [INFO] [stdout] 106 | | Symbol, next_sym, Symbol, next_sym, Symbol, next_sym, Symbol, next_sym, [INFO] [stdout] 107 | | ); [INFO] [stdout] | | - [INFO] [stdout] | |__| [INFO] [stdout] | |__in this macro invocation [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] = note: this warning originates in the macro `impl_generate` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 48 - impl SymbolContainer for ( Symbol $(, $T)* ) { [INFO] [stdout] 48 + impl SymbolContainer for Symbol $(, $T)* { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unnecessary parentheses around type [INFO] [stdout] --> src/symbol/source.rs:48:34 [INFO] [stdout] | [INFO] [stdout] 48 | impl SymbolContainer for ( Symbol $(, $T)* ) { [INFO] [stdout] | ^ ^ [INFO] [stdout] ... [INFO] [stdout] 60 | impl_generate!( [INFO] [stdout] | _- [INFO] [stdout] | |_| [INFO] [stdout] | | [INFO] [stdout] 61 | | Symbol, next_sym, Symbol, next_sym, Symbol, next_sym, Symbol, next_sym, [INFO] [stdout] 62 | | Symbol, next_sym, Symbol, next_sym, Symbol, next_sym, Symbol, next_sym, [INFO] [stdout] 63 | | Symbol, next_sym, Symbol, next_sym, Symbol, next_sym, Symbol, next_sym, [INFO] [stdout] ... | [INFO] [stdout] 106 | | Symbol, next_sym, Symbol, next_sym, Symbol, next_sym, Symbol, next_sym, [INFO] [stdout] 107 | | ); [INFO] [stdout] | | - [INFO] [stdout] | |__| [INFO] [stdout] | |__in this macro invocation [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:13:24 [INFO] [stdout] | [INFO] [stdout] 13 | #![cfg_attr(test, deny(warnings))] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(unused_parens)]` implied by `#[deny(warnings)]` [INFO] [stdout] = note: this error originates in the macro `impl_generate` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 48 - impl SymbolContainer for ( Symbol $(, $T)* ) { [INFO] [stdout] 48 + impl SymbolContainer for Symbol $(, $T)* { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cfg` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/remap.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | mem::replace(self.grammar.sym_source_mut(), intern.source); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "9a4d7ee7613c6e1786e3d3098a34c454b6ba0b35b72a01d5749acedbf40cb89d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a4d7ee7613c6e1786e3d3098a34c454b6ba0b35b72a01d5749acedbf40cb89d", kill_on_drop: false }` [INFO] [stdout] 9a4d7ee7613c6e1786e3d3098a34c454b6ba0b35b72a01d5749acedbf40cb89d