[INFO] fetching crate rust_net 1.0.0... [INFO] checking rust_net-1.0.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate rust_net 1.0.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate rust_net 1.0.0 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 rust_net 1.0.0 [INFO] finished tweaking crates.io crate rust_net 1.0.0 [INFO] tweaked toml for crates.io crate rust_net 1.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate rust_net 1.0.0 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded memalloc v0.1.0 [INFO] [stderr] Downloaded neli v0.5.3 [INFO] [stderr] Downloaded serde_json v1.0.80 [INFO] [stderr] Downloaded local-ip-address v0.4.4 [INFO] [stderr] Downloaded pub-sub v2.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4024953eb72cc4fef91e66af7c19eda98892cdc9b8c4d601414e492cd008f4ec [INFO] running `Command { std: "docker" "start" "-a" "4024953eb72cc4fef91e66af7c19eda98892cdc9b8c4d601414e492cd008f4ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4024953eb72cc4fef91e66af7c19eda98892cdc9b8c4d601414e492cd008f4ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4024953eb72cc4fef91e66af7c19eda98892cdc9b8c4d601414e492cd008f4ec", kill_on_drop: false }` [INFO] [stdout] 4024953eb72cc4fef91e66af7c19eda98892cdc9b8c4d601414e492cd008f4ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] dd08fe1354fd386e1ce63f69eb9023390c267921fb43009b0456501b5f7e6b1d [INFO] running `Command { std: "docker" "start" "-a" "dd08fe1354fd386e1ce63f69eb9023390c267921fb43009b0456501b5f7e6b1d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling syn v1.0.92 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling serde_json v1.0.80 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling local-ip-address v0.4.4 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Checking spin v0.9.3 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking neli v0.5.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking nix v0.24.1 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking nanorand v0.7.0 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking pub-sub v2.0.0 [INFO] [stderr] Checking ctrlc v3.2.2 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking pin-project v1.0.10 [INFO] [stderr] Checking flume v0.10.12 [INFO] [stderr] Checking rust_net v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/node.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `clone`, `string` [INFO] [stdout] --> src/types.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{clone, string, sync::Mutex}; [INFO] [stdout] | ^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Sender` [INFO] [stdout] --> src/types.rs:3:23 [INFO] [stdout] | [INFO] [stdout] 3 | use flume::{Receiver, Sender}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_json::Result` [INFO] [stdout] --> src/types.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use serde_json::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/node.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `clone`, `string` [INFO] [stdout] --> src/types.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{clone, string, sync::Mutex}; [INFO] [stdout] | ^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Sender` [INFO] [stdout] --> src/types.rs:3:23 [INFO] [stdout] | [INFO] [stdout] 3 | use flume::{Receiver, Sender}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_json::Result` [INFO] [stdout] --> src/types.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use serde_json::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/node.rs:237:5 [INFO] [stdout] | [INFO] [stdout] 237 | source: String, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/node.rs:237:5 [INFO] [stdout] | [INFO] [stdout] 237 | source: String, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/node.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 26 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/node.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 26 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/main.rs:22:23 [INFO] [stdout] | [INFO] [stdout] 22 | Box::new(|msg| { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/main.rs:22:23 [INFO] [stdout] | [INFO] [stdout] 22 | Box::new(|msg| { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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 7.17s [INFO] running `Command { std: "docker" "inspect" "dd08fe1354fd386e1ce63f69eb9023390c267921fb43009b0456501b5f7e6b1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd08fe1354fd386e1ce63f69eb9023390c267921fb43009b0456501b5f7e6b1d", kill_on_drop: false }` [INFO] [stdout] dd08fe1354fd386e1ce63f69eb9023390c267921fb43009b0456501b5f7e6b1d