[INFO] fetching crate z21_api 0.1.0...
[INFO] checking z21_api-0.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate z21_api 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate z21_api 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate z21_api 0.1.0
[INFO] tweaked toml for crates.io crate z21_api 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate z21_api 0.1.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate z21_api 0.1.0 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bec407cffe8725545e0270f6032f8f74c24f6ff66ec913c7c9d2ea91904298b3
[INFO] running `Command { std: "docker" "start" "-a" "bec407cffe8725545e0270f6032f8f74c24f6ff66ec913c7c9d2ea91904298b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bec407cffe8725545e0270f6032f8f74c24f6ff66ec913c7c9d2ea91904298b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bec407cffe8725545e0270f6032f8f74c24f6ff66ec913c7c9d2ea91904298b3", kill_on_drop: false }`
[INFO] [stdout] bec407cffe8725545e0270f6032f8f74c24f6ff66ec913c7c9d2ea91904298b3
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7570aa10f7a4a3e0dbbef7657b53f06753105a5ba9b276115e63c56efe0f59f2
[INFO] running `Command { std: "docker" "start" "-a" "7570aa10f7a4a3e0dbbef7657b53f06753105a5ba9b276115e63c56efe0f59f2", kill_on_drop: false }`
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]     Checking z21_api v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cell::OnceCell`
[INFO] [stdout]   --> src/station.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::cell::OnceCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]   --> src/station.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::net::SocketAddr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/station/loco.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Deref`
[INFO] [stdout]   --> src/station/loco.rs:43:11
[INFO] [stdout]    |
[INFO] [stdout] 43 | use std::{ops::Deref, sync::Arc, vec};
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time`
[INFO] [stdout]   --> src/station/loco.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 | use tokio::{io, time};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::OnceCell`
[INFO] [stdout]   --> src/station.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::cell::OnceCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]   --> src/station.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::net::SocketAddr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/station/loco.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Deref`
[INFO] [stdout]   --> src/station/loco.rs:43:11
[INFO] [stdout]    |
[INFO] [stdout] 43 | use std::{ops::Deref, sync::Arc, vec};
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time`
[INFO] [stdout]   --> src/station/loco.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 | use tokio::{io, time};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `receive_packet` is never used
[INFO] [stdout]    --> src/station.rs:355:14
[INFO] [stdout]     |
[INFO] [stdout]  62 | impl Z21Station {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 355 |     async fn receive_packet(&self) -> io::Result<Packet> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `receive_packet` is never used
[INFO] [stdout]    --> src/station.rs:355:14
[INFO] [stdout]     |
[INFO] [stdout]  62 | impl Z21Station {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 355 |     async fn receive_packet(&self) -> io::Result<Packet> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.46s
[INFO] running `Command { std: "docker" "inspect" "7570aa10f7a4a3e0dbbef7657b53f06753105a5ba9b276115e63c56efe0f59f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7570aa10f7a4a3e0dbbef7657b53f06753105a5ba9b276115e63c56efe0f59f2", kill_on_drop: false }`
[INFO] [stdout] 7570aa10f7a4a3e0dbbef7657b53f06753105a5ba9b276115e63c56efe0f59f2