[INFO] fetching crate dht-logger 0.2.3... [INFO] checking dht-logger-0.2.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate dht-logger 0.2.3 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate dht-logger 0.2.3 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 dht-logger 0.2.3 [INFO] finished tweaking crates.io crate dht-logger 0.2.3 [INFO] tweaked toml for crates.io crate dht-logger 0.2.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate dht-logger 0.2.3 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] Downloading crates ... [INFO] [stderr] Downloaded libudev v0.2.0 [INFO] [stderr] Downloaded mach v0.2.3 [INFO] [stderr] Downloaded clap_derive v3.1.7 [INFO] [stderr] Downloaded serialport v4.0.1 [INFO] [stderr] Downloaded nix v0.16.1 [INFO] [stderr] Downloaded clap v3.1.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 74da66305556cb1ebacc784b521c3a40942947a627f56367d3185e9667397bb4 [INFO] running `Command { std: "docker" "start" "-a" "74da66305556cb1ebacc784b521c3a40942947a627f56367d3185e9667397bb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "74da66305556cb1ebacc784b521c3a40942947a627f56367d3185e9667397bb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74da66305556cb1ebacc784b521c3a40942947a627f56367d3185e9667397bb4", kill_on_drop: false }` [INFO] [stdout] 74da66305556cb1ebacc784b521c3a40942947a627f56367d3185e9667397bb4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 47cc1f21be652ad7f579c3f8e6327fe43f397e39c8e8590e140ebd343cb6adeb [INFO] running `Command { std: "docker" "start" "-a" "47cc1f21be652ad7f579c3f8e6327fe43f397e39c8e8590e140ebd343cb6adeb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.90 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking portpicker v0.1.1 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Checking serialport v4.0.1 [INFO] [stderr] Compiling clap_derive v3.1.7 [INFO] [stderr] Checking clap v3.1.8 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking serde_yaml v0.8.23 [INFO] [stderr] Checking dht-logger v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/lib.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | 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 `serde_yaml` is imported redundantly [INFO] [stdout] --> src/lib.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | use serde_yaml; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_yaml` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serialport` is imported redundantly [INFO] [stdout] --> src/lib.rs:38:18 [INFO] [stdout] | [INFO] [stdout] 38 | use serialport::{self, SerialPort}; [INFO] [stdout] | ^^^^ the item `serialport` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `log` is imported redundantly [INFO] [stdout] --> src/lib.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | 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 `serde_yaml` is imported redundantly [INFO] [stdout] --> src/lib.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | use serde_yaml; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_yaml` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `HashMap` is imported redundantly [INFO] [stdout] --> src/tests.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | use super::*; [INFO] [stdout] | -------- the item `HashMap` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/tests.rs:2:27 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::{prelude::*, Error, ErrorKind}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ErrorKind` is imported redundantly [INFO] [stdout] --> src/tests.rs:2:34 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::{prelude::*, Error, ErrorKind}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | use super::*; [INFO] [stdout] | -------- the item `ErrorKind` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `UdpSocket` is imported redundantly [INFO] [stdout] --> src/tests.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::net::UdpSocket; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | use super::*; [INFO] [stdout] | -------- the item `UdpSocket` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Duration` is imported redundantly [INFO] [stdout] --> src/tests.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | use super::*; [INFO] [stdout] | -------- the item `Duration` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `portpicker` is imported redundantly [INFO] [stdout] --> src/tests.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use portpicker; [INFO] [stdout] | ^^^^^^^^^^ the item `portpicker` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Value` is imported redundantly [INFO] [stdout] --> src/tests.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use serde_json::Value; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | use super::*; [INFO] [stdout] | -------- the item `Value` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SerialPort` is imported redundantly [INFO] [stdout] --> src/tests.rs:9:62 [INFO] [stdout] | [INFO] [stdout] 9 | use serialport::{ClearBuffer, DataBits, FlowControl, Parity, SerialPort, StopBits}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 10 | [INFO] [stdout] 11 | use super::*; [INFO] [stdout] | -------- the item `SerialPort` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `pretty_env_logger` is imported redundantly [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use pretty_env_logger; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the item `pretty_env_logger` 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 `pretty_env_logger` is imported redundantly [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use pretty_env_logger; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the item `pretty_env_logger` 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.02s [INFO] running `Command { std: "docker" "inspect" "47cc1f21be652ad7f579c3f8e6327fe43f397e39c8e8590e140ebd343cb6adeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47cc1f21be652ad7f579c3f8e6327fe43f397e39c8e8590e140ebd343cb6adeb", kill_on_drop: false }` [INFO] [stdout] 47cc1f21be652ad7f579c3f8e6327fe43f397e39c8e8590e140ebd343cb6adeb