[INFO] fetching crate state-tracker 0.1.0...
[INFO] testing state-tracker-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate state-tracker 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate state-tracker 0.1.0
[INFO] finished tweaking crates.io crate state-tracker 0.1.0
[INFO] tweaked toml for crates.io crate state-tracker 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate state-tracker 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 71 packages to latest compatible versions
[INFO] [stderr]       Adding simple_logger v4.3.3 (available: v5.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68c6036cd8d8876b3b4177818bf5fc7471687824a20aaf941e9565bf7b58462d
[INFO] running `Command { std: "docker" "start" "-a" "68c6036cd8d8876b3b4177818bf5fc7471687824a20aaf941e9565bf7b58462d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68c6036cd8d8876b3b4177818bf5fc7471687824a20aaf941e9565bf7b58462d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c6036cd8d8876b3b4177818bf5fc7471687824a20aaf941e9565bf7b58462d", kill_on_drop: false }`
[INFO] [stdout] 68c6036cd8d8876b3b4177818bf5fc7471687824a20aaf941e9565bf7b58462d
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5857c54f05fe91a9fcd55465dadd5134fb7ff28f8b07b0d02e699770c810618a
[INFO] running `Command { std: "docker" "start" "-a" "5857c54f05fe91a9fcd55465dadd5134fb7ff28f8b07b0d02e699770c810618a", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling state-tracker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Duration` and `SystemTime`
[INFO] [stdout]   --> src/state_tracker.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 | use std::time::{Duration, SystemTime};
[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: `tokio::io::AsyncWriteExt`
[INFO] [stdout]   --> src/state_tracker.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | use tokio::io::AsyncWriteExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::timeout`
[INFO] [stdout]   --> src/state_tracker.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | use tokio::time::timeout;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.81s
[INFO] running `Command { std: "docker" "inspect" "5857c54f05fe91a9fcd55465dadd5134fb7ff28f8b07b0d02e699770c810618a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5857c54f05fe91a9fcd55465dadd5134fb7ff28f8b07b0d02e699770c810618a", kill_on_drop: false }`
[INFO] [stdout] 5857c54f05fe91a9fcd55465dadd5134fb7ff28f8b07b0d02e699770c810618a
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adc802a3f52a35647e257df06a72a42277fbee3cb5ace8fc89527b955bfc99d6
[INFO] running `Command { std: "docker" "start" "-a" "adc802a3f52a35647e257df06a72a42277fbee3cb5ace8fc89527b955bfc99d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling state-tracker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Duration` and `SystemTime`
[INFO] [stdout]   --> src/state_tracker.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 | use std::time::{Duration, SystemTime};
[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: `tokio::io::AsyncWriteExt`
[INFO] [stdout]   --> src/state_tracker.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | use tokio::io::AsyncWriteExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::timeout`
[INFO] [stdout]   --> src/state_tracker.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | use tokio::time::timeout;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling simple_logger v4.3.3
[INFO] [stdout] warning: unused import: `tokio::io::AsyncWriteExt`
[INFO] [stdout]   --> src/state_tracker.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | use tokio::io::AsyncWriteExt;
[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 variable: `error`
[INFO] [stdout]    --> src/state_tracker_client.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |         Err(error) => panic!("should have received a state"),
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/state_tracker.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     tokio::fs::remove_file(SENDER_PATH).await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let _ = tokio::fs::remove_file(SENDER_PATH).await;
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/state_tracker.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     tokio::fs::remove_file(RECEIVER_PATH).await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let _ = tokio::fs::remove_file(RECEIVER_PATH).await;
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `Command { std: "docker" "inspect" "adc802a3f52a35647e257df06a72a42277fbee3cb5ace8fc89527b955bfc99d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc802a3f52a35647e257df06a72a42277fbee3cb5ace8fc89527b955bfc99d6", kill_on_drop: false }`
[INFO] [stdout] adc802a3f52a35647e257df06a72a42277fbee3cb5ace8fc89527b955bfc99d6
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 37b53fe06de983785eab1423db2b44a88b362355df54cc44bc1c361101943cf7
[INFO] running `Command { std: "docker" "start" "-a" "37b53fe06de983785eab1423db2b44a88b362355df54cc44bc1c361101943cf7", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Duration` and `SystemTime`
[INFO] [stderr]   --> src/state_tracker.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 | use std::time::{Duration, SystemTime};
[INFO] [stderr]    |                 ^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::io::AsyncWriteExt`
[INFO] [stderr]   --> src/state_tracker.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 | use tokio::io::AsyncWriteExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::time::timeout`
[INFO] [stderr]   --> src/state_tracker.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 | use tokio::time::timeout;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::io::AsyncWriteExt`
[INFO] [stderr]   --> src/state_tracker.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 | use tokio::io::AsyncWriteExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]    --> src/state_tracker_client.rs:130:13
[INFO] [stderr]     |
[INFO] [stderr] 130 |         Err(error) => panic!("should have received a state"),
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/state_tracker.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     tokio::fs::remove_file(SENDER_PATH).await;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 87 |     let _ = tokio::fs::remove_file(SENDER_PATH).await;
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/state_tracker.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     tokio::fs::remove_file(RECEIVER_PATH).await;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 88 |     let _ = tokio::fs::remove_file(RECEIVER_PATH).await;
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `state-tracker` (lib) generated 3 warnings (run `cargo fix --lib -p state-tracker` to apply 3 suggestions)
[INFO] [stderr] warning: `state-tracker` (lib test) generated 4 warnings (run `cargo fix --lib -p state-tracker --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/state_tracker-88678a00f6681510)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test state_tracker_client::error_state_is_instantly_set ... ok
[INFO] [stdout] test state_tracker_client::avoids_spamming_idle_and_active_states ... ok
[INFO] [stdout] test state_tracker::correct_output_retrieved ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests state_tracker
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "37b53fe06de983785eab1423db2b44a88b362355df54cc44bc1c361101943cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b53fe06de983785eab1423db2b44a88b362355df54cc44bc1c361101943cf7", kill_on_drop: false }`
[INFO] [stdout] 37b53fe06de983785eab1423db2b44a88b362355df54cc44bc1c361101943cf7
