[INFO] crate rustc-ap-syntax 638.0.0 is already in cache [INFO] checking rustc-ap-syntax-638.0.0 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766 [INFO] extracting crate rustc-ap-syntax 638.0.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate rustc-ap-syntax 638.0.0 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c [INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate rustc-ap-syntax 638.0.0 [INFO] finished tweaking crates.io crate rustc-ap-syntax 638.0.0 [INFO] tweaked toml for crates.io crate rustc-ap-syntax 638.0.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c094ebc6dfb32fbc3bf883d8c1f201c55cd625915239eb39d27bc201928634a3 [INFO] running `"docker" "start" "-a" "c094ebc6dfb32fbc3bf883d8c1f201c55cd625915239eb39d27bc201928634a3"` [INFO] [stderr] Compiling rustc-rayon-core v0.3.0 [INFO] [stderr] Checking smallvec v1.2.0 [INFO] [stderr] Checking rustc-ap-graphviz v638.0.0 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Compiling rustc-ap-rustc_target v638.0.0 [INFO] [stderr] Checking annotate-snippets v0.6.1 [INFO] [stderr] Compiling rustc-ap-syntax v638.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking rustc-ap-rustc_error_codes v638.0.0 [INFO] [stderr] Checking rustc-ap-rustc_fs_util v638.0.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking lock_api v0.3.3 [INFO] [stderr] Checking rustc-ap-rustc_lexer v638.0.0 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking jobserver v0.1.21 [INFO] [stderr] Checking ena v0.13.1 [INFO] [stderr] Checking rustc-ap-serialize v638.0.0 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling rustc-ap-rustc_macros v638.0.0 [INFO] [stderr] Checking rustc-rayon v0.3.0 [INFO] [stderr] Checking measureme v0.7.1 [INFO] [stderr] Checking rustc-ap-rustc_index v638.0.0 [INFO] [stderr] Checking rustc-ap-rustc_data_structures v638.0.0 [INFO] [stderr] Checking rustc-ap-arena v638.0.0 [INFO] [stderr] Checking rustc-ap-rustc_span v638.0.0 [INFO] [stderr] Checking rustc-ap-rustc_feature v638.0.0 [INFO] [stderr] Checking rustc-ap-rustc_errors v638.0.0 [INFO] [stderr] Checking rustc-ap-rustc_session v638.0.0 [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> print/pprust.rs:551:17 [INFO] [stderr] | [INFO] [stderr] 551 | / (format!( [INFO] [stderr] 552 | | "r{delim}\"{string}\"{delim}", [INFO] [stderr] 553 | | delim = "#".repeat(n as usize), [INFO] [stderr] 554 | | string = st [INFO] [stderr] 555 | | )) [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 551 | format!( [INFO] [stderr] 552 | "r{delim}\"{string}\"{delim}", [INFO] [stderr] 553 | delim = "#".repeat(n as usize), [INFO] [stderr] 554 | string = st [INFO] [stderr] 555 | ) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> print/pprust.rs:551:17 [INFO] [stderr] | [INFO] [stderr] 551 | / (format!( [INFO] [stderr] 552 | | "r{delim}\"{string}\"{delim}", [INFO] [stderr] 553 | | delim = "#".repeat(n as usize), [INFO] [stderr] 554 | | string = st [INFO] [stderr] 555 | | )) [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 551 | format!( [INFO] [stderr] 552 | "r{delim}\"{string}\"{delim}", [INFO] [stderr] 553 | delim = "#".repeat(n as usize), [INFO] [stderr] 554 | string = st [INFO] [stderr] 555 | ) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable [INFO] [stderr] --> lib.rs:16:12 [INFO] [stderr] | [INFO] [stderr] 16 | #![feature(slice_patterns)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable [INFO] [stderr] --> lib.rs:16:12 [INFO] [stderr] | [INFO] [stderr] 16 | #![feature(slice_patterns)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 44.85s [INFO] running `"docker" "inspect" "c094ebc6dfb32fbc3bf883d8c1f201c55cd625915239eb39d27bc201928634a3"` [INFO] running `"docker" "rm" "-f" "c094ebc6dfb32fbc3bf883d8c1f201c55cd625915239eb39d27bc201928634a3"` [INFO] [stdout] c094ebc6dfb32fbc3bf883d8c1f201c55cd625915239eb39d27bc201928634a3