[INFO] fetching crate ross 0.1.7... [INFO] checking ross-0.1.7 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate ross 0.1.7 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate ross 0.1.7 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 ross 0.1.7 [INFO] finished tweaking crates.io crate ross 0.1.7 [INFO] tweaked toml for crates.io crate ross 0.1.7 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] Updating crates.io index [INFO] [stderr] Locking 43 packages to latest compatible versions [INFO] [stderr] Adding aho-corasick v0.6.10 (available: v1.1.3) [INFO] [stderr] Adding crossbeam v0.2.12 (available: v0.8.4) [INFO] [stderr] Adding futures v0.1.31 (available: v0.3.30) [INFO] [stderr] Adding num v0.1.42 (available: v0.4.3) [INFO] [stderr] Adding num-bigint v0.1.44 (available: v0.4.6) [INFO] [stderr] Adding num-complex v0.1.43 (available: v0.4.6) [INFO] [stderr] Adding num-rational v0.1.42 (available: v0.4.2) [INFO] [stderr] Adding owning_ref v0.2.4 (available: v0.4.1) [INFO] [stderr] Adding parking_lot v0.3.8 (available: v0.12.3) [INFO] [stderr] Adding parking_lot_core v0.2.14 (available: v0.9.10) [INFO] [stderr] Adding rand v0.3.23 (available: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (available: v0.8.5) [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 rdrand v0.4.0 (available: v0.8.3) [INFO] [stderr] Adding redox_syscall v0.1.57 (available: v0.5.6) [INFO] [stderr] Adding regex v0.2.11 (available: v1.10.6) [INFO] [stderr] Adding regex-syntax v0.5.6 (available: v0.8.4) [INFO] [stderr] Adding smallvec v0.3.4 (available: v1.13.2) [INFO] [stderr] Adding smallvec v0.6.14 (available: v1.13.2) [INFO] [stderr] Adding statistical v0.1.1 (available: v1.0.0) [INFO] [stderr] Adding thread-id v3.3.0 (available: v4.2.2) [INFO] [stderr] Adding thread_local v0.3.6 (available: v1.1.8) [INFO] [stderr] Adding time v0.1.45 (available: v0.3.36) [INFO] [stderr] Adding ucd-util v0.1.10 (available: v0.2.1) [INFO] [stderr] Adding unicode-width v0.1.14 (available: v0.2.0) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1) [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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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-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] 3d703f5f1f0a3482bc7ff5347b1dc895eea8944cc1cdb25f16cb3b0a954a3321 [INFO] running `Command { std: "docker" "start" "-a" "3d703f5f1f0a3482bc7ff5347b1dc895eea8944cc1cdb25f16cb3b0a954a3321", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d703f5f1f0a3482bc7ff5347b1dc895eea8944cc1cdb25f16cb3b0a954a3321", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d703f5f1f0a3482bc7ff5347b1dc895eea8944cc1cdb25f16cb3b0a954a3321", kill_on_drop: false }` [INFO] [stdout] 3d703f5f1f0a3482bc7ff5347b1dc895eea8944cc1cdb25f16cb3b0a954a3321 [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] 6ea82bf9888d0f1e095c6ab1906d6a3a28b39448ff14a310083061aa9522a9b2 [INFO] running `Command { std: "docker" "start" "-a" "6ea82bf9888d0f1e095c6ab1906d6a3a28b39448ff14a310083061aa9522a9b2", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking owning_ref v0.2.4 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking crossbeam v0.2.12 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking smallvec v0.3.4 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking parking_lot v0.3.8 [INFO] [stderr] Checking multiqueue v0.3.2 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking statistical v0.1.1 [INFO] [stderr] Checking ross v0.1.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/io/seq.rs:49:36 [INFO] [stdout] | [INFO] [stdout] 49 | fn sanitize_id(id: &String) -> (String); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 49 - fn sanitize_id(id: &String) -> (String); [INFO] [stdout] 49 + fn sanitize_id(id: &String) -> String; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/io/seq.rs:116:36 [INFO] [stdout] | [INFO] [stdout] 116 | fn sanitize_id(id: &String) -> (String) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 116 - fn sanitize_id(id: &String) -> (String) { [INFO] [stdout] 116 + fn sanitize_id(id: &String) -> String { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/io/seq.rs:49:36 [INFO] [stdout] | [INFO] [stdout] 49 | fn sanitize_id(id: &String) -> (String); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 49 - fn sanitize_id(id: &String) -> (String); [INFO] [stdout] 49 + fn sanitize_id(id: &String) -> String; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/io/seq.rs:116:36 [INFO] [stdout] | [INFO] [stdout] 116 | fn sanitize_id(id: &String) -> (String) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 116 - fn sanitize_id(id: &String) -> (String) { [INFO] [stdout] 116 + fn sanitize_id(id: &String) -> String { [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 5.58s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42 [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" "6ea82bf9888d0f1e095c6ab1906d6a3a28b39448ff14a310083061aa9522a9b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ea82bf9888d0f1e095c6ab1906d6a3a28b39448ff14a310083061aa9522a9b2", kill_on_drop: false }` [INFO] [stdout] 6ea82bf9888d0f1e095c6ab1906d6a3a28b39448ff14a310083061aa9522a9b2