[INFO] fetching crate tikv-client 0.3.0... [INFO] checking tikv-client-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate tikv-client 0.3.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate tikv-client 0.3.0 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] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml [INFO] started tweaking crates.io crate tikv-client 0.3.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate tikv-client 0.3.0 [INFO] tweaked toml for crates.io crate tikv-client 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate tikv-client 0.3.0 already has a lockfile, it will not be regenerated [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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serial_test v0.5.1 [INFO] [stderr] Downloaded simple_logger v1.16.0 [INFO] [stderr] Downloaded serial_test_derive v0.5.1 [INFO] [stderr] Downloaded prost-derive v0.12.2 [INFO] [stderr] Downloaded prost v0.12.2 [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] a0f6d97faa5f7f119f19eed2d5054efb7b941404ac6dac2d376d524ddf0e8cf6 [INFO] running `Command { std: "docker" "start" "-a" "a0f6d97faa5f7f119f19eed2d5054efb7b941404ac6dac2d376d524ddf0e8cf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a0f6d97faa5f7f119f19eed2d5054efb7b941404ac6dac2d376d524ddf0e8cf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0f6d97faa5f7f119f19eed2d5054efb7b941404ac6dac2d376d524ddf0e8cf6", kill_on_drop: false }` [INFO] [stdout] a0f6d97faa5f7f119f19eed2d5054efb7b941404ac6dac2d376d524ddf0e8cf6 [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] 9a5be97d6c692a1b70944ecf73fbc6759cff1c645cb873283cf8ae48fcb02bd5 [INFO] running `Command { std: "docker" "start" "-a" "9a5be97d6c692a1b70944ecf73fbc6759cff1c645cb873283cf8ae48fcb02bd5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking http v0.2.11 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Compiling rustix v0.38.25 [INFO] [stderr] Compiling openssl v0.10.59 [INFO] [stderr] Checking linux-raw-sys v0.4.11 [INFO] [stderr] Compiling cc v1.0.83 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either v1.9.0 [INFO] [stderr] Compiling rustls v0.21.9 [INFO] [stderr] Compiling itertools v0.11.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling axum v0.6.20 [INFO] [stderr] Compiling procfs v0.14.2 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling protobuf v2.28.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking url v2.4.1 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking matchit v0.7.3 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling prometheus v0.13.3 [INFO] [stderr] Compiling semver v1.0.20 [INFO] [stderr] Checking deranged v0.3.9 [INFO] [stderr] Compiling time-macros v0.2.15 [INFO] [stderr] Checking tempfile v3.8.1 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Checking tokio v1.34.0 [INFO] [stderr] Compiling pin-project-internal v1.1.3 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling prost-derive v0.12.2 [INFO] [stderr] Checking sct v0.7.1 [INFO] [stderr] Checking rustls-webpki v0.101.7 [INFO] [stderr] Checking pin-project v1.1.3 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Checking thiserror v1.0.50 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Checking rustls-pemfile v1.0.4 [INFO] [stderr] Checking futures-executor v0.3.29 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking tokio-io-timeout v1.2.0 [INFO] [stderr] Checking tokio-stream v0.1.14 [INFO] [stderr] Checking tokio-rustls v0.24.1 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking num_threads v0.1.6 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking prost v0.12.2 [INFO] [stderr] Checking time v0.3.30 [INFO] [stderr] Checking fail v0.4.0 [INFO] [stderr] Checking futures v0.3.29 [INFO] [stderr] Checking h2 v0.3.22 [INFO] [stderr] Checking tower v0.4.13 [INFO] [stderr] Compiling serial_test_derive v0.5.1 [INFO] [stderr] Compiling async-recursion v0.3.2 [INFO] [stderr] Compiling derive-new v0.5.9 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Checking colored v1.9.4 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking termcolor v1.4.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking proptest v1.4.0 [INFO] [stderr] Checking env_logger v0.10.1 [INFO] [stderr] Checking simple_logger v1.16.0 [INFO] [stderr] Checking serial_test v0.5.1 [INFO] [stderr] Checking serde_json v1.0.108 [INFO] [stderr] Checking hyper v0.14.27 [INFO] [stderr] Compiling proptest-derive v0.3.0 [INFO] [stderr] Checking hyper-timeout v0.4.1 [INFO] [stderr] Checking tonic v0.10.2 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.22 [INFO] [stderr] Checking tikv-client v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/raw/mod.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/raw/lowering.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/transaction/lowering.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/timestamp.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/backoff.rs:204:9 [INFO] [stdout] | [INFO] [stdout] 204 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/raw/mod.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Arc` is imported redundantly [INFO] [stdout] --> src/raw/client.rs:712:9 [INFO] [stdout] | [INFO] [stdout] 712 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 713 | [INFO] [stdout] 714 | use super::*; [INFO] [stdout] | -------- the item `Arc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/raw/client.rs:718:9 [INFO] [stdout] | [INFO] [stdout] 714 | use super::*; [INFO] [stdout] | -------- the item `Result` is already imported here [INFO] [stdout] ... [INFO] [stdout] 718 | use crate::Result; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/raw/lowering.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Any` is imported redundantly [INFO] [stdout] --> src/raw/requests.rs:494:9 [INFO] [stdout] | [INFO] [stdout] 494 | use std::any::Any; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 498 | use super::*; [INFO] [stdout] | -------- the item `Any` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `kvrpcpb` is imported redundantly [INFO] [stdout] --> src/raw/requests.rs:503:9 [INFO] [stdout] | [INFO] [stdout] 498 | use super::*; [INFO] [stdout] | -------- the item `kvrpcpb` is already imported here [INFO] [stdout] ... [INFO] [stdout] 503 | use crate::proto::kvrpcpb; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Key` is imported redundantly [INFO] [stdout] --> src/raw/requests.rs:506:9 [INFO] [stdout] | [INFO] [stdout] 498 | use super::*; [INFO] [stdout] | -------- the item `Key` is already imported here [INFO] [stdout] ... [INFO] [stdout] 506 | use crate::Key; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `stream` is imported redundantly [INFO] [stdout] --> src/request/plan.rs:854:27 [INFO] [stdout] | [INFO] [stdout] 854 | use futures::stream::{self}; [INFO] [stdout] | ^^^^ [INFO] [stdout] 855 | [INFO] [stdout] 856 | use super::*; [INFO] [stdout] | -------- the item `stream` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/transaction/lowering.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `File` is imported redundantly [INFO] [stdout] --> src/common/security.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | use super::*; [INFO] [stdout] | -------- the item `File` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PathBuf` is imported redundantly [INFO] [stdout] --> src/common/security.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | use super::*; [INFO] [stdout] | -------- the item `PathBuf` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tempfile` is imported redundantly [INFO] [stdout] --> src/common/security.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | use tempfile; [INFO] [stdout] | ^^^^^^^^ the item `tempfile` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/timestamp.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `KvConnectStore` is never used [INFO] [stdout] --> src/store/mod.rs:42:11 [INFO] [stdout] | [INFO] [stdout] 42 | pub trait KvConnectStore: KvConnect { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `KvConnectStore` is never used [INFO] [stdout] --> src/store/mod.rs:42:11 [INFO] [stdout] | [INFO] [stdout] 42 | pub trait KvConnectStore: KvConnect { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 57.19s [INFO] running `Command { std: "docker" "inspect" "9a5be97d6c692a1b70944ecf73fbc6759cff1c645cb873283cf8ae48fcb02bd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a5be97d6c692a1b70944ecf73fbc6759cff1c645cb873283cf8ae48fcb02bd5", kill_on_drop: false }` [INFO] [stdout] 9a5be97d6c692a1b70944ecf73fbc6759cff1c645cb873283cf8ae48fcb02bd5