[INFO] fetching crate sing_macros 0.1.3... [INFO] checking sing_macros-0.1.3 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate sing_macros 0.1.3 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate sing_macros 0.1.3 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 sing_macros 0.1.3 [INFO] finished tweaking crates.io crate sing_macros 0.1.3 [INFO] tweaked toml for crates.io crate sing_macros 0.1.3 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" "+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 87 packages to latest compatible versions [INFO] [stderr] Adding base64 v0.13.1 (available: v0.22.1) [INFO] [stderr] Adding bit-set v0.5.3 (available: v0.8.0) [INFO] [stderr] Adding bit-vec v0.6.3 (available: v0.8.0) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding fixedbitset v0.4.2 (available: v0.5.7) [INFO] [stderr] Adding getrandom v0.1.16 (available: v0.2.15) [INFO] [stderr] Adding itertools v0.10.5 (available: v0.13.0) [INFO] [stderr] Adding lalrpop v0.19.12 (available: v0.21.0) [INFO] [stderr] Adding lalrpop-util v0.19.12 (available: v0.21.0) [INFO] [stderr] Adding phf_shared v0.10.0 (available: v0.11.2) [INFO] [stderr] Adding rand v0.7.3 (available: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (available: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (available: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (available: v0.3.2) [INFO] [stderr] Adding regex-syntax v0.6.29 (available: v0.8.4) [INFO] [stderr] Adding ron v0.7.1 (available: v0.8.1) [INFO] [stderr] Adding siphasher v0.3.11 (available: v1.0.1) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding term v0.7.0 (available: v1.0.0) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3cae797456abb6100c71653a1cf1f113ba592c0876ff1518ab3a2ca14401476d [INFO] running `Command { std: "docker" "start" "-a" "3cae797456abb6100c71653a1cf1f113ba592c0876ff1518ab3a2ca14401476d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3cae797456abb6100c71653a1cf1f113ba592c0876ff1518ab3a2ca14401476d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cae797456abb6100c71653a1cf1f113ba592c0876ff1518ab3a2ca14401476d", kill_on_drop: false }` [INFO] [stdout] 3cae797456abb6100c71653a1cf1f113ba592c0876ff1518ab3a2ca14401476d [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e88f4c20b4ecd41952718a2923059126842c1c1835fc68b16be1a1247b88839e [INFO] running `Command { std: "docker" "start" "-a" "e88f4c20b4ecd41952718a2923059126842c1c1835fc68b16be1a1247b88839e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling regex-syntax v0.8.4 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling siphasher v0.3.11 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Checking unicode-ident v1.0.13 [INFO] [stderr] Compiling new_debug_unreachable v1.0.6 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling fixedbitset v0.4.2 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling either v1.13.0 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Checking proc-macro2 v1.0.86 [INFO] [stderr] Compiling ena v0.14.3 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling diff v0.1.13 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling unicode-xid v0.2.6 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Compiling indexmap v2.5.0 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Compiling petgraph v0.6.5 [INFO] [stderr] Compiling is-terminal v0.4.13 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking ascii-canvas v3.0.0 [INFO] [stderr] Compiling string_cache v0.8.7 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking base64 v0.13.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking lalrpop-util v0.19.12 [INFO] [stderr] Checking lalrpop v0.19.12 [INFO] [stderr] Checking sing_util v0.1.3 [INFO] [stderr] Checking ron v0.7.1 [INFO] [stderr] Compiling sing_parse v0.1.3 [INFO] [stderr] Checking sing_macros v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:503:11 [INFO] [stdout] | [INFO] [stdout] 503 | Equal(keyword::equal), [INFO] [stdout] | ----- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 503 | Equal(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:504:10 [INFO] [stdout] | [INFO] [stdout] 504 | Diff(keyword::different), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 504 | Diff(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:503:11 [INFO] [stdout] | [INFO] [stdout] 503 | Equal(keyword::equal), [INFO] [stdout] | ----- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 503 | Equal(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:504:10 [INFO] [stdout] | [INFO] [stdout] 504 | Diff(keyword::different), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 504 | Diff(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.71s [INFO] running `Command { std: "docker" "inspect" "e88f4c20b4ecd41952718a2923059126842c1c1835fc68b16be1a1247b88839e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e88f4c20b4ecd41952718a2923059126842c1c1835fc68b16be1a1247b88839e", kill_on_drop: false }` [INFO] [stdout] e88f4c20b4ecd41952718a2923059126842c1c1835fc68b16be1a1247b88839e