[INFO] fetching crate combee 0.6.0... [INFO] checking combee-0.6.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate combee 0.6.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate combee 0.6.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate combee 0.6.0 [INFO] finished tweaking crates.io crate combee 0.6.0 [INFO] tweaked toml for crates.io crate combee 0.6.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 142 packages [INFO] [stderr] Adding arrow-array v46.0.0 (latest: v51.0.0) [INFO] [stderr] Adding arrow-buffer v46.0.0 (latest: v51.0.0) [INFO] [stderr] Adding arrow-cast v46.0.0 (latest: v51.0.0) [INFO] [stderr] Adding arrow-data v46.0.0 (latest: v51.0.0) [INFO] [stderr] Adding arrow-ipc v46.0.0 (latest: v51.0.0) [INFO] [stderr] Adding arrow-schema v46.0.0 (latest: v51.0.0) [INFO] [stderr] Adding arrow-select v46.0.0 (latest: v51.0.0) [INFO] [stderr] Adding arrow2 v0.17.4 (latest: v0.18.0) [INFO] [stderr] Adding base64 v0.21.7 (latest: v0.22.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding brotli v3.5.0 (latest: v4.0.0) [INFO] [stderr] Adding brotli-decompressor v2.5.1 (latest: v3.0.0) [INFO] [stderr] Adding integer-encoding v3.0.4 (latest: v4.0.0) [INFO] [stderr] Adding ordered-float v2.10.1 (latest: v4.2.0) [INFO] [stderr] Adding parquet v46.0.0 (latest: v51.0.0) [INFO] [stderr] Adding planus v0.3.1 (latest: v0.4.0) [INFO] [stderr] Adding serde_arrow v0.7.1 (latest: v0.11.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [INFO] [stderr] Adding zstd v0.12.4 (latest: v0.13.1) [INFO] [stderr] Adding zstd-safe v6.0.6 (latest: v7.1.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded arrow-cast v46.0.0 [INFO] [stderr] Downloaded thrift v0.17.0 [INFO] [stderr] Downloaded arrow-select v46.0.0 [INFO] [stderr] Downloaded serde_arrow v0.7.1 [INFO] [stderr] Downloaded arrow-ipc v46.0.0 [INFO] [stderr] Downloaded parquet v46.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9368b4877dafc4dc8b3e0d5d1b0f9b225e7310938fcee6f6457d5001dfcbbe97 [INFO] running `Command { std: "docker" "start" "-a" "9368b4877dafc4dc8b3e0d5d1b0f9b225e7310938fcee6f6457d5001dfcbbe97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9368b4877dafc4dc8b3e0d5d1b0f9b225e7310938fcee6f6457d5001dfcbbe97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9368b4877dafc4dc8b3e0d5d1b0f9b225e7310938fcee6f6457d5001dfcbbe97", kill_on_drop: false }` [INFO] [stdout] 9368b4877dafc4dc8b3e0d5d1b0f9b225e7310938fcee6f6457d5001dfcbbe97 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a7c8364fde28654750ad390ace3d6dd69a4a65fe057a304d85fcbd9efc2a73ee [INFO] running `Command { std: "docker" "start" "-a" "a7c8364fde28654750ad390ace3d6dd69a4a65fe057a304d85fcbd9efc2a73ee", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling semver v1.0.22 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking zerocopy v0.7.32 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking lexical-util v0.8.5 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking arrow-schema v46.0.0 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling async-trait v0.1.79 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Compiling zstd-safe v6.0.6 [INFO] [stderr] Checking alloc-no-stdlib v2.0.4 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Checking fallible-streaming-iterator v0.1.9 [INFO] [stderr] Checking array-init-cursor v0.2.0 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling seq-macro v0.3.5 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling crc32fast v1.4.0 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking lexical-parse-integer v0.8.6 [INFO] [stderr] Checking lexical-write-integer v0.8.5 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking streaming-decompression v0.1.2 [INFO] [stderr] Checking planus v0.3.1 [INFO] [stderr] Checking lexical-parse-float v0.8.5 [INFO] [stderr] Checking alloc-stdlib v0.2.2 [INFO] [stderr] Checking lexical-write-float v0.8.5 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking base64 v0.21.7 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling flatbuffers v23.5.26 [INFO] [stderr] Compiling arrow2 v0.17.4 [INFO] [stderr] Compiling snap v1.1.1 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking brotli-decompressor v2.5.1 [INFO] [stderr] Checking foreign_vec v0.1.0 [INFO] [stderr] Checking streaming-iterator v0.1.9 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Compiling jobserver v0.1.28 [INFO] [stderr] Checking dyn-clone v1.0.17 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking powerfmt v0.2.0 [INFO] [stderr] Checking ethnum v1.5.0 [INFO] [stderr] Checking simdutf8 v0.1.4 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking integer-encoding v3.0.4 [INFO] [stderr] Checking hash_hasher v2.0.3 [INFO] [stderr] Checking deranged v0.3.11 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Checking lexical-core v0.8.5 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking twox-hash v1.6.3 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking time-core v0.1.2 [INFO] [stderr] Checking ryu v1.0.17 [INFO] [stderr] Checking num-conv v0.1.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking half v2.4.0 [INFO] [stderr] Checking ordered-float v2.10.1 [INFO] [stderr] Checking thrift v0.17.0 [INFO] [stderr] Checking brotli v3.5.0 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking time v0.3.34 [INFO] [stderr] Compiling zstd-sys v2.0.10+zstd.1.5.6 [INFO] [stderr] Compiling lz4-sys v1.9.4 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Checking arrow-buffer v46.0.0 [INFO] [stderr] Checking arrow-data v46.0.0 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Compiling bytemuck_derive v1.6.0 [INFO] [stderr] Checking arrow-array v46.0.0 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking bytemuck v1.15.0 [INFO] [stderr] Checking arrow-select v46.0.0 [INFO] [stderr] Checking zstd v0.12.4 [INFO] [stderr] Checking arrow-cast v46.0.0 [INFO] [stderr] Checking arrow-ipc v46.0.0 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking parquet-format-safe v0.2.4 [INFO] [stderr] Checking lz4 v1.24.0 [INFO] [stderr] Checking parquet v46.0.0 [INFO] [stderr] Checking arrow-format v0.8.1 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking parquet2 v0.17.2 [INFO] [stderr] Checking serde_arrow v0.7.1 [INFO] [stderr] Checking combee v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/lib.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use log; [INFO] [stdout] | ^^^ the item `log` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `csv` is imported redundantly [INFO] [stdout] --> src/lib.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use csv; [INFO] [stdout] | ^^^ the item `csv` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/lib.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use log; [INFO] [stdout] | ^^^ the item `log` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Eq` is imported redundantly [INFO] [stdout] --> src/dataframe.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cmp::{Ordering, Eq}, fmt::{self, Debug}, slice, collections::HashMap, hash::Hash}; [INFO] [stdout] | ^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Eq` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/dataframe.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use log; [INFO] [stdout] | ^^^ the item `log` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `csv` is imported redundantly [INFO] [stdout] --> src/lib.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use csv; [INFO] [stdout] | ^^^ the item `csv` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `csv` is imported redundantly [INFO] [stdout] --> src/dataframe.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use csv; [INFO] [stdout] | ^^^ the item `csv` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Eq` is imported redundantly [INFO] [stdout] --> src/dataframe.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cmp::{Ordering, Eq}, fmt::{self, Debug}, slice, collections::HashMap, hash::Hash}; [INFO] [stdout] | ^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Eq` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `arrow2` is imported redundantly [INFO] [stdout] --> src/dataframe.rs:7:61 [INFO] [stdout] | [INFO] [stdout] 7 | use arrow2::{chunk::Chunk, datatypes::Schema, array::Array, self, io::parquet::write::{transverse, CompressionOptions, Encoding, FileWrit... [INFO] [stdout] | ^^^^ the item `arrow2` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/dataframe.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use log; [INFO] [stdout] | ^^^ the item `log` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/errors.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fmt::Display, self}; [INFO] [stdout] | ^^^^ the item `std` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `csv` is imported redundantly [INFO] [stdout] --> src/dataframe.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use csv; [INFO] [stdout] | ^^^ the item `csv` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `arrow2` is imported redundantly [INFO] [stdout] --> src/dataframe.rs:7:61 [INFO] [stdout] | [INFO] [stdout] 7 | use arrow2::{chunk::Chunk, datatypes::Schema, array::Array, self, io::parquet::write::{transverse, CompressionOptions, Encoding, FileWrit... [INFO] [stdout] | ^^^^ the item `arrow2` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/errors.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fmt::Display, self}; [INFO] [stdout] | ^^^^ the item `std` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `combee` is imported redundantly [INFO] [stdout] --> tests/test_read_parquet.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use combee; [INFO] [stdout] | ^^^^^^ the item `combee` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `combee` is imported redundantly [INFO] [stdout] --> tests/test_groupby.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use combee; [INFO] [stdout] | ^^^^^^ the item `combee` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `combee` is imported redundantly [INFO] [stdout] --> tests/test_sort.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use combee; [INFO] [stdout] | ^^^^^^ the item `combee` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `combee` is imported redundantly [INFO] [stdout] --> tests/test_dataframe.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use combee; [INFO] [stdout] | ^^^^^^ the item `combee` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `combee` is imported redundantly [INFO] [stdout] --> tests/test_read_csv.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use combee; [INFO] [stdout] | ^^^^^^ the item `combee` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.35s [INFO] running `Command { std: "docker" "inspect" "a7c8364fde28654750ad390ace3d6dd69a4a65fe057a304d85fcbd9efc2a73ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7c8364fde28654750ad390ace3d6dd69a4a65fe057a304d85fcbd9efc2a73ee", kill_on_drop: false }` [INFO] [stdout] a7c8364fde28654750ad390ace3d6dd69a4a65fe057a304d85fcbd9efc2a73ee