[INFO] fetching crate luml 0.1.0... [INFO] checking luml-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate luml 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate luml 0.1.0 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 luml 0.1.0 [INFO] finished tweaking crates.io crate luml 0.1.0 [INFO] tweaked toml for crates.io crate luml 0.1.0 written to /workspace/builds/worker-4-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] Updating crates.io index [INFO] [stderr] Locking 132 packages to latest compatible versions [INFO] [stderr] Adding ascii-canvas v1.0.0 (available: v3.0.0) [INFO] [stderr] Adding atty v0.2.11 (available: v0.2.14) [INFO] [stderr] Adding autocfg v0.1.8 (available: v1.4.0) [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 block-buffer v0.7.3 (available: v0.10.4) [INFO] [stderr] Adding block-padding v0.1.5 (available: v0.3.3) [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.18) [INFO] [stderr] Adding cloudabi v0.0.3 (available: v0.1.0) [INFO] [stderr] Adding derive_more v0.14.1 (available: v1.0.0) [INFO] [stderr] Adding derive_more v0.15.0 (available: v1.0.0) [INFO] [stderr] Adding digest v0.8.1 (available: v0.10.7) [INFO] [stderr] Adding ena v0.11.0 (available: v0.14.3) [INFO] [stderr] Adding fixedbitset v0.1.9 (available: v0.5.7) [INFO] [stderr] Adding generic-array v0.12.4 (available: v1.1.0) [INFO] [stderr] Adding heck v0.3.3 (available: v0.5.0) [INFO] [stderr] Adding itertools v0.8.2 (available: v0.13.0) [INFO] [stderr] Adding lalrpop v0.16.3 (available: v0.21.0) [INFO] [stderr] Adding lalrpop-util v0.16.3 (available: v0.21.0) [INFO] [stderr] Adding lazy_static v0.2.11 (available: v1.5.0) [INFO] [stderr] Adding numtoa v0.1.0 (available: v0.2.4) [INFO] [stderr] Adding opaque-debug v0.2.3 (available: v0.3.1) [INFO] [stderr] Adding ordermap v0.3.5 (available: v0.5.3) [INFO] [stderr] Adding petgraph v0.4.13 (available: v0.6.5) [INFO] [stderr] Adding phf_generator v0.7.24 (available: v0.11.2) [INFO] [stderr] Adding phf_shared v0.7.24 (available: v0.11.2) [INFO] [stderr] Adding proc-macro2 v0.4.30 (available: v1.0.86) [INFO] [stderr] Adding quote v0.6.13 (available: v1.0.37) [INFO] [stderr] Adding rand v0.6.5 (available: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (available: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (available: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (available: v0.6.4) [INFO] [stderr] Adding rand_hc v0.1.0 (available: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (available: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (available: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (available: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (available: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (available: v0.3.0) [INFO] [stderr] Adding rdrand v0.4.0 (available: v0.8.3) [INFO] [stderr] Adding redox_syscall v0.2.16 (available: v0.5.6) [INFO] [stderr] Adding regex-syntax v0.6.29 (available: v0.8.4) [INFO] [stderr] Adding rustc_version v0.2.3 (available: v0.4.1) [INFO] [stderr] Adding semver v0.9.0 (available: v1.0.23) [INFO] [stderr] Adding semver-parser v0.7.0 (available: v0.10.2) [INFO] [stderr] Adding sha2 v0.8.2 (available: v0.10.8) [INFO] [stderr] Adding siphasher v0.2.3 (available: v1.0.1) [INFO] [stderr] Adding stderrlog v0.4.3 (available: v0.6.0) [INFO] [stderr] Adding string_cache v0.7.5 (available: v0.8.7) [INFO] [stderr] Adding string_cache_codegen v0.4.4 (available: v0.5.2) [INFO] [stderr] Adding strsim v0.8.0 (available: v0.11.1) [INFO] [stderr] Adding strsim v0.10.0 (available: v0.11.1) [INFO] [stderr] Adding structopt v0.2.18 (available: v0.3.26) [INFO] [stderr] Adding structopt-derive v0.2.18 (available: v0.4.18) [INFO] [stderr] Adding syn v0.15.44 (available: v2.0.79) [INFO] [stderr] Adding term v0.4.6 (available: v1.0.0) [INFO] [stderr] Adding termion v1.5.6 (available: v4.0.2) [INFO] [stderr] Adding textwrap v0.11.0 (available: v0.16.1) [INFO] [stderr] Adding thread_local v0.3.4 (available: v0.3.6) [INFO] [stderr] Adding unicode-width v0.1.14 (available: v0.2.0) [INFO] [stderr] Adding unicode-xid v0.1.0 (available: v0.2.6) [INFO] [stderr] Adding winapi v0.2.8 (available: v0.3.9) [INFO] [stderr] Adding windows-core v0.52.0 (available: v0.58.0) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ba025bd2efac9ff79ef695f24a07f255e9ed0d327fa5cae02a77823bfd2cf654 [INFO] running `Command { std: "docker" "start" "-a" "ba025bd2efac9ff79ef695f24a07f255e9ed0d327fa5cae02a77823bfd2cf654", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba025bd2efac9ff79ef695f24a07f255e9ed0d327fa5cae02a77823bfd2cf654", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba025bd2efac9ff79ef695f24a07f255e9ed0d327fa5cae02a77823bfd2cf654", kill_on_drop: false }` [INFO] [stdout] ba025bd2efac9ff79ef695f24a07f255e9ed0d327fa5cae02a77823bfd2cf654 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 131727f829a0f16e74605af374c8c605c30118a48a5dcac82524ac4d1d6c4ca3 [INFO] running `Command { std: "docker" "start" "-a" "131727f829a0f16e74605af374c8c605c30118a48a5dcac82524ac4d1d6c4ca3", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling regex-syntax v0.8.4 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling generic-array v0.12.4 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling new_debug_unreachable v1.0.6 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling ena v0.11.0 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling diff v0.1.13 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling lalrpop-util v0.16.3 [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking antidote v1.0.0 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Checking stderrlog v0.4.3 [INFO] [stderr] Compiling regex-automata v0.4.7 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling derive_more v0.14.1 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Compiling regex v1.10.6 [INFO] [stderr] Compiling docopt v1.1.1 [INFO] [stderr] Compiling derive_more v0.15.0 [INFO] [stderr] Compiling lalrpop v0.16.3 [INFO] [stderr] Checking libremexre v0.1.12 [INFO] [stderr] Compiling luml v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/luml-89fe00c0a35c18d7/out/grammar.rs:1362:5 [INFO] [stdout] | [INFO] [stdout] 1362 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1362 - (__0) [INFO] [stdout] 1362 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/luml-89fe00c0a35c18d7/out/grammar.rs:1362:5 [INFO] [stdout] | [INFO] [stdout] 1362 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1362 - (__0) [INFO] [stdout] 1362 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/luml-89fe00c0a35c18d7/out/grammar.rs:1373:5 [INFO] [stdout] | [INFO] [stdout] 1373 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1373 - (__0) [INFO] [stdout] 1373 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/luml-89fe00c0a35c18d7/out/grammar.rs:1373:5 [INFO] [stdout] | [INFO] [stdout] 1373 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1373 - (__0) [INFO] [stdout] 1373 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/luml-89fe00c0a35c18d7/out/grammar.rs:1408:5 [INFO] [stdout] | [INFO] [stdout] 1408 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1408 - (__0) [INFO] [stdout] 1408 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/luml-89fe00c0a35c18d7/out/grammar.rs:1408:5 [INFO] [stdout] | [INFO] [stdout] 1408 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1408 - (__0) [INFO] [stdout] 1408 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:101:21 [INFO] [stdout] | [INFO] [stdout] 101 | let mut dtor = Dtor::default(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:101:21 [INFO] [stdout] | [INFO] [stdout] 101 | let mut dtor = Dtor::default(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `to_triple` is never used [INFO] [stdout] --> /opt/rustwide/target/debug/build/luml-89fe00c0a35c18d7/out/grammar.rs:1552:8 [INFO] [stdout] | [INFO] [stdout] 1551 | pub trait __ToTriple<'input, > { [INFO] [stdout] | ---------- associated function in this trait [INFO] [stdout] 1552 | fn to_triple(value: Self) -> Result<(usize,Token<'input>,usize), __lalrpop_util::ParseError, &'static str>>; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `to_triple` is never used [INFO] [stdout] --> /opt/rustwide/target/debug/build/luml-89fe00c0a35c18d7/out/grammar.rs:1552:8 [INFO] [stdout] | [INFO] [stdout] 1551 | pub trait __ToTriple<'input, > { [INFO] [stdout] | ---------- associated function in this trait [INFO] [stdout] 1552 | fn to_triple(value: Self) -> Result<(usize,Token<'input>,usize), __lalrpop_util::ParseError, &'static str>>; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.00s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.16.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "131727f829a0f16e74605af374c8c605c30118a48a5dcac82524ac4d1d6c4ca3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "131727f829a0f16e74605af374c8c605c30118a48a5dcac82524ac4d1d6c4ca3", kill_on_drop: false }` [INFO] [stdout] 131727f829a0f16e74605af374c8c605c30118a48a5dcac82524ac4d1d6c4ca3