[INFO] fetching crate roco_z21_driver 0.1.1...
[INFO] building roco_z21_driver-0.1.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate roco_z21_driver 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate roco_z21_driver 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate roco_z21_driver 0.1.1
[INFO] tweaked toml for crates.io crate roco_z21_driver 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate roco_z21_driver 0.1.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate roco_z21_driver 0.1.1 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2619f4d0bc8fafedf00f2eaee6c444f64ae9a097bdc889f3ff8c3b31ed6da2fc
[INFO] running `Command { std: "docker" "start" "-a" "2619f4d0bc8fafedf00f2eaee6c444f64ae9a097bdc889f3ff8c3b31ed6da2fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2619f4d0bc8fafedf00f2eaee6c444f64ae9a097bdc889f3ff8c3b31ed6da2fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2619f4d0bc8fafedf00f2eaee6c444f64ae9a097bdc889f3ff8c3b31ed6da2fc", kill_on_drop: false }`
[INFO] [stdout] 2619f4d0bc8fafedf00f2eaee6c444f64ae9a097bdc889f3ff8c3b31ed6da2fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c57894f213f409cfdb9e3042fa2ffa180f282c890968ad25c7a042d5b3c780c7
[INFO] running `Command { std: "docker" "start" "-a" "c57894f213f409cfdb9e3042fa2ffa180f282c890968ad25c7a042d5b3c780c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling bytes v1.10.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling roco_z21_driver v0.1.1 (/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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.02s
[INFO] running `Command { std: "docker" "inspect" "c57894f213f409cfdb9e3042fa2ffa180f282c890968ad25c7a042d5b3c780c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57894f213f409cfdb9e3042fa2ffa180f282c890968ad25c7a042d5b3c780c7", kill_on_drop: false }`
[INFO] [stdout] c57894f213f409cfdb9e3042fa2ffa180f282c890968ad25c7a042d5b3c780c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a6c7d28352e65dc18fb4c1586a9d7824a203a4557ffed4bdc5a01856c96465a
[INFO] running `Command { std: "docker" "start" "-a" "4a6c7d28352e65dc18fb4c1586a9d7824a203a4557ffed4bdc5a01856c96465a", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling roco_z21_driver v0.1.1 (/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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "4a6c7d28352e65dc18fb4c1586a9d7824a203a4557ffed4bdc5a01856c96465a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a6c7d28352e65dc18fb4c1586a9d7824a203a4557ffed4bdc5a01856c96465a", kill_on_drop: false }`
[INFO] [stdout] 4a6c7d28352e65dc18fb4c1586a9d7824a203a4557ffed4bdc5a01856c96465a