[INFO] fetching crate turn 0.7.0...
[INFO] checking turn-0.7.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate turn 0.7.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate turn 0.7.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate turn 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate turn 0.7.0
[INFO] tweaked toml for crates.io crate turn 0.7.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate turn 0.7.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-test v0.4.3
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[INFO] [stdout] 512ab41975075ee395fb847639280697c119cfa69548b5cd7e2e23fb4a4d8295
[INFO] running `Command { std: "docker" "start" "-a" "512ab41975075ee395fb847639280697c119cfa69548b5cd7e2e23fb4a4d8295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "512ab41975075ee395fb847639280697c119cfa69548b5cd7e2e23fb4a4d8295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "512ab41975075ee395fb847639280697c119cfa69548b5cd7e2e23fb4a4d8295", kill_on_drop: false }`
[INFO] [stdout] 512ab41975075ee395fb847639280697c119cfa69548b5cd7e2e23fb4a4d8295
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking turn v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stdout] warning: the item `HashMap` is imported redundantly
[INFO] [stdout]   --> src/allocation/allocation_manager.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | 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]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Username` is imported redundantly
[INFO] [stdout]   --> src/allocation/allocation_manager.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use stun::textattrs::Username;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 | use super::*;
[INFO] [stdout]    |     -------- the item `Username` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mpsc` is imported redundantly
[INFO] [stdout]   --> src/allocation/allocation_manager.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | use tokio::sync::mpsc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 | use super::*;
[INFO] [stdout]    |     -------- the item `mpsc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Conn` is imported redundantly
[INFO] [stdout]   --> src/allocation/allocation_manager.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use util::Conn;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 10 |
[INFO] [stdout] 11 | use super::*;
[INFO] [stdout]    |     -------- the item `Conn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AtomicBool` is imported redundantly
[INFO] [stdout]   --> src/allocation/channel_bind.rs:4:25
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::sync::atomic::{AtomicBool, Ordering};
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `AtomicBool` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ordering` is imported redundantly
[INFO] [stdout]   --> src/allocation/channel_bind.rs:4:37
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::sync::atomic::{AtomicBool, Ordering};
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `Ordering` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]   --> src/allocation/channel_bind.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `Arc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Mutex` is imported redundantly
[INFO] [stdout]   --> src/allocation/channel_bind.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use tokio::sync::Mutex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `Mutex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Duration` is imported redundantly
[INFO] [stdout]   --> src/allocation/channel_bind.rs:8:19
[INFO] [stdout]    |
[INFO] [stdout] 8  | use tokio::time::{Duration, Instant};
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 9  |
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `Duration` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Instant` is imported redundantly
[INFO] [stdout]   --> src/allocation/channel_bind.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  | use tokio::time::{Duration, Instant};
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout] 9  |
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `Instant` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AtomicBool` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::atomic::{AtomicBool, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `AtomicBool` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ordering` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::atomic::{AtomicBool, Ordering};
[INFO] [stdout]   |                                     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `Ordering` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `Arc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Mutex` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `Mutex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Duration` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::time::{Duration, Instant};
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout] 6 |
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `Duration` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Instant` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::time::{Duration, Instant};
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] 6 |
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `Instant` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `fmt` is imported redundantly
[INFO] [stdout]   --> src/proto/reqtrans.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::fmt;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `fmt` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Send` is imported redundantly
[INFO] [stdout]  --> src/server/request.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::marker::{Send, Sync};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Send` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Sync` is imported redundantly
[INFO] [stdout]  --> src/server/request.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::marker::{Send, Sync};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Sync` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]   --> src/allocation/allocation_manager/allocation_manager_test.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `Result` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use crate::error::Result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HashMap` is imported redundantly
[INFO] [stdout]   --> src/allocation/allocation_manager.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | 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 `Username` is imported redundantly
[INFO] [stdout]   --> src/allocation/allocation_manager.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use stun::textattrs::Username;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 | use super::*;
[INFO] [stdout]    |     -------- the item `Username` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/allocation/channel_bind/channel_bind_test.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::allocation::*;
[INFO] [stdout]   |     -------------------- the item `Result` is already imported here
[INFO] [stdout] 9 | use crate::error::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AtomicBool` is imported redundantly
[INFO] [stdout]   --> src/allocation/channel_bind.rs:4:25
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::sync::atomic::{AtomicBool, Ordering};
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `AtomicBool` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ordering` is imported redundantly
[INFO] [stdout]   --> src/allocation/channel_bind.rs:4:37
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::sync::atomic::{AtomicBool, Ordering};
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `Ordering` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Mutex` is imported redundantly
[INFO] [stdout]   --> src/allocation/channel_bind.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use tokio::sync::Mutex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `Mutex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Instant` is imported redundantly
[INFO] [stdout]   --> src/allocation/channel_bind.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  | use tokio::time::{Duration, Instant};
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout] 9  |
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `Instant` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AtomicBool` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::atomic::{AtomicBool, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `AtomicBool` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ordering` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::atomic::{AtomicBool, Ordering};
[INFO] [stdout]   |                                     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `Ordering` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `Arc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Mutex` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `Mutex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Duration` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::time::{Duration, Instant};
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout] 6 |
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `Duration` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Instant` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::time::{Duration, Instant};
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] 6 |
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `Instant` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ipv4Addr` is imported redundantly
[INFO] [stdout]  --> src/proto/addr/addr_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::Ipv4Addr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `Ipv4Addr` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ipv4Addr` is imported redundantly
[INFO] [stdout]  --> src/proto/peeraddr/peeraddr_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::Ipv4Addr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `Ipv4Addr` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ipv4Addr` is imported redundantly
[INFO] [stdout]  --> src/proto/relayaddr/relayaddr_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::Ipv4Addr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `Ipv4Addr` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `fmt` is imported redundantly
[INFO] [stdout]   --> src/proto/reqtrans.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::fmt;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `fmt` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mpsc` is imported redundantly
[INFO] [stdout]   --> src/server/server_test.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use tokio::sync::mpsc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `mpsc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Duration` is imported redundantly
[INFO] [stdout]  --> src/server/request/request_test.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::time::{Duration, Instant};
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `Duration` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Instant` is imported redundantly
[INFO] [stdout]  --> src/server/request/request_test.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::time::{Duration, Instant};
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `Instant` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Send` is imported redundantly
[INFO] [stdout]  --> src/server/request.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::marker::{Send, Sync};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Send` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Sync` is imported redundantly
[INFO] [stdout]  --> src/server/request.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::marker::{Send, Sync};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Sync` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.44s
[INFO] running `Command { std: "docker" "inspect" "1662ae9d6f8731b54135e0382d9522b18a7fdfde97b741d2de94b5e2fbac1cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1662ae9d6f8731b54135e0382d9522b18a7fdfde97b741d2de94b5e2fbac1cc4", kill_on_drop: false }`
[INFO] [stdout] 1662ae9d6f8731b54135e0382d9522b18a7fdfde97b741d2de94b5e2fbac1cc4
[INFO] checking turn-0.7.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate turn 0.7.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate turn 0.7.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate turn 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate turn 0.7.0
[INFO] tweaked toml for crates.io crate turn 0.7.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate turn 0.7.0 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ab65677abdaaf2363f9579f2c3dd289448e84fa7aeee0221d1b32c25c211776
[INFO] running `Command { std: "docker" "start" "-a" "1ab65677abdaaf2363f9579f2c3dd289448e84fa7aeee0221d1b32c25c211776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ab65677abdaaf2363f9579f2c3dd289448e84fa7aeee0221d1b32c25c211776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab65677abdaaf2363f9579f2c3dd289448e84fa7aeee0221d1b32c25c211776", kill_on_drop: false }`
[INFO] [stdout] 1ab65677abdaaf2363f9579f2c3dd289448e84fa7aeee0221d1b32c25c211776
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad159eaee5ec50d8247dc927aaf4feb4846b4e6b3f191f81081f016cb0864f0a
[INFO] running `Command { std: "docker" "start" "-a" "ad159eaee5ec50d8247dc927aaf4feb4846b4e6b3f191f81081f016cb0864f0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
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[INFO] [stderr]    Compiling futures-channel v0.3.28
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[INFO] [stderr]    Compiling futures-util v0.3.28
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[INFO] [stderr]     Checking futures-sink v0.3.28
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[INFO] [stdout] warning: the item `HashMap` is imported redundantly
[INFO] [stdout]   --> src/allocation/allocation_manager.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | 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]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Username` is imported redundantly
[INFO] [stdout]   --> src/allocation/allocation_manager.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use stun::textattrs::Username;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 | use super::*;
[INFO] [stdout]    |     -------- the item `Username` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mpsc` is imported redundantly
[INFO] [stdout]   --> src/allocation/allocation_manager.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | use tokio::sync::mpsc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 | use super::*;
[INFO] [stdout]    |     -------- the item `mpsc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Conn` is imported redundantly
[INFO] [stdout]   --> src/allocation/allocation_manager.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use util::Conn;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 10 |
[INFO] [stdout] 11 | use super::*;
[INFO] [stdout]    |     -------- the item `Conn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AtomicBool` is imported redundantly
[INFO] [stdout]   --> src/allocation/channel_bind.rs:4:25
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::sync::atomic::{AtomicBool, Ordering};
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `AtomicBool` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ordering` is imported redundantly
[INFO] [stdout]   --> src/allocation/channel_bind.rs:4:37
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::sync::atomic::{AtomicBool, Ordering};
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `Ordering` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]   --> src/allocation/channel_bind.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `Arc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Mutex` is imported redundantly
[INFO] [stdout]   --> src/allocation/channel_bind.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use tokio::sync::Mutex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `Mutex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Duration` is imported redundantly
[INFO] [stdout]   --> src/allocation/channel_bind.rs:8:19
[INFO] [stdout]    |
[INFO] [stdout] 8  | use tokio::time::{Duration, Instant};
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 9  |
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `Duration` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Instant` is imported redundantly
[INFO] [stdout]   --> src/allocation/channel_bind.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  | use tokio::time::{Duration, Instant};
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout] 9  |
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `Instant` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AtomicBool` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::atomic::{AtomicBool, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `AtomicBool` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ordering` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::atomic::{AtomicBool, Ordering};
[INFO] [stdout]   |                                     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `Ordering` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `Arc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Mutex` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `Mutex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Duration` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::time::{Duration, Instant};
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout] 6 |
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `Duration` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Instant` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::time::{Duration, Instant};
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] 6 |
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `Instant` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `fmt` is imported redundantly
[INFO] [stdout]   --> src/proto/reqtrans.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::fmt;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `fmt` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Send` is imported redundantly
[INFO] [stdout]  --> src/server/request.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::marker::{Send, Sync};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout]  --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Send` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Sync` is imported redundantly
[INFO] [stdout]  --> src/server/request.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::marker::{Send, Sync};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout]  --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Sync` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]   --> src/allocation/allocation_manager/allocation_manager_test.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `Result` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use crate::error::Result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HashMap` is imported redundantly
[INFO] [stdout]   --> src/allocation/allocation_manager.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | 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 `Username` is imported redundantly
[INFO] [stdout]   --> src/allocation/allocation_manager.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use stun::textattrs::Username;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 | use super::*;
[INFO] [stdout]    |     -------- the item `Username` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/allocation/channel_bind/channel_bind_test.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::allocation::*;
[INFO] [stdout]   |     -------------------- the item `Result` is already imported here
[INFO] [stdout] 9 | use crate::error::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AtomicBool` is imported redundantly
[INFO] [stdout]   --> src/allocation/channel_bind.rs:4:25
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::sync::atomic::{AtomicBool, Ordering};
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `AtomicBool` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ordering` is imported redundantly
[INFO] [stdout]   --> src/allocation/channel_bind.rs:4:37
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::sync::atomic::{AtomicBool, Ordering};
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `Ordering` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Mutex` is imported redundantly
[INFO] [stdout]   --> src/allocation/channel_bind.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use tokio::sync::Mutex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `Mutex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Instant` is imported redundantly
[INFO] [stdout]   --> src/allocation/channel_bind.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  | use tokio::time::{Duration, Instant};
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout] 9  |
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `Instant` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AtomicBool` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::atomic::{AtomicBool, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `AtomicBool` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ordering` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::atomic::{AtomicBool, Ordering};
[INFO] [stdout]   |                                     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `Ordering` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `Arc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Mutex` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `Mutex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Duration` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::time::{Duration, Instant};
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout] 6 |
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `Duration` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Instant` is imported redundantly
[INFO] [stdout]  --> src/allocation/permission.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::time::{Duration, Instant};
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] 6 |
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `Instant` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ipv4Addr` is imported redundantly
[INFO] [stdout]  --> src/proto/addr/addr_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::Ipv4Addr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `Ipv4Addr` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ipv4Addr` is imported redundantly
[INFO] [stdout]  --> src/proto/peeraddr/peeraddr_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::Ipv4Addr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `Ipv4Addr` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ipv4Addr` is imported redundantly
[INFO] [stdout]  --> src/proto/relayaddr/relayaddr_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::Ipv4Addr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `Ipv4Addr` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `fmt` is imported redundantly
[INFO] [stdout]   --> src/proto/reqtrans.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::fmt;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `fmt` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mpsc` is imported redundantly
[INFO] [stdout]   --> src/server/server_test.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use tokio::sync::mpsc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use super::*;
[INFO] [stdout]    |     -------- the item `mpsc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Duration` is imported redundantly
[INFO] [stdout]  --> src/server/request/request_test.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::time::{Duration, Instant};
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `Duration` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Instant` is imported redundantly
[INFO] [stdout]  --> src/server/request/request_test.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::time::{Duration, Instant};
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `Instant` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Send` is imported redundantly
[INFO] [stdout]  --> src/server/request.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::marker::{Send, Sync};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout]  --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Send` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Sync` is imported redundantly
[INFO] [stdout]  --> src/server/request.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::marker::{Send, Sync};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout]  --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Sync` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "ad159eaee5ec50d8247dc927aaf4feb4846b4e6b3f191f81081f016cb0864f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad159eaee5ec50d8247dc927aaf4feb4846b4e6b3f191f81081f016cb0864f0a", kill_on_drop: false }`
[INFO] [stdout] ad159eaee5ec50d8247dc927aaf4feb4846b4e6b3f191f81081f016cb0864f0a