[INFO] cloning repository https://github.com/EspressoForged/codecrafters-bittorrent-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EspressoForged/codecrafters-bittorrent-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEspressoForged%2Fcodecrafters-bittorrent-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEspressoForged%2Fcodecrafters-bittorrent-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 687a2bd1dc5db4b2a87748f70ceba277794377b7
[INFO] testing EspressoForged/codecrafters-bittorrent-rust against 1.94.0 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEspressoForged%2Fcodecrafters-bittorrent-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/EspressoForged/codecrafters-bittorrent-rust
[INFO] finished tweaking git repo https://github.com/EspressoForged/codecrafters-bittorrent-rust
[INFO] tweaked toml for git repo https://github.com/EspressoForged/codecrafters-bittorrent-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EspressoForged/codecrafters-bittorrent-rust on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/EspressoForged/codecrafters-bittorrent-rust 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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[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_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" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdce96002fe9837272615579db852462c3e64a585c84bc66f3adef92767f0879
[INFO] running `Command { std: "docker" "start" "-a" "bdce96002fe9837272615579db852462c3e64a585c84bc66f3adef92767f0879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdce96002fe9837272615579db852462c3e64a585c84bc66f3adef92767f0879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdce96002fe9837272615579db852462c3e64a585c84bc66f3adef92767f0879", kill_on_drop: false }`
[INFO] [stdout] bdce96002fe9837272615579db852462c3e64a585c84bc66f3adef92767f0879
[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=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" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95b6b7f33ac24f8b583ce38eb3941c092035f9dc6b0f4d22737fc9f93d3bcb86
[INFO] running `Command { std: "docker" "start" "-a" "95b6b7f33ac24f8b583ce38eb3941c092035f9dc6b0f4d22737fc9f93d3bcb86", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
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[INFO] [stderr]    Compiling codecrafters-bittorrent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.76s
[INFO] running `Command { std: "docker" "inspect" "95b6b7f33ac24f8b583ce38eb3941c092035f9dc6b0f4d22737fc9f93d3bcb86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95b6b7f33ac24f8b583ce38eb3941c092035f9dc6b0f4d22737fc9f93d3bcb86", kill_on_drop: false }`
[INFO] [stdout] 95b6b7f33ac24f8b583ce38eb3941c092035f9dc6b0f4d22737fc9f93d3bcb86
[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=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" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 289441ccbc513810f16ef89b986c92798308dc71d0052b0b11aa201a6a593160
[INFO] running `Command { std: "docker" "start" "-a" "289441ccbc513810f16ef89b986c92798308dc71d0052b0b11aa201a6a593160", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling rustix v0.38.39
[INFO] [stderr]    Compiling predicates-core v1.0.9
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling assert_cmd v2.0.17
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling fastrand v2.1.1
[INFO] [stderr]    Compiling predicates-tree v1.0.12
[INFO] [stderr]    Compiling openssl v0.10.68
[INFO] [stderr]    Compiling float-cmp v0.10.0
[INFO] [stderr]    Compiling tempfile v3.13.0
[INFO] [stderr]    Compiling regex-automata v0.4.8
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling codecrafters-bittorrent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling predicates v3.1.3
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 23.07s
[INFO] running `Command { std: "docker" "inspect" "289441ccbc513810f16ef89b986c92798308dc71d0052b0b11aa201a6a593160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "289441ccbc513810f16ef89b986c92798308dc71d0052b0b11aa201a6a593160", kill_on_drop: false }`
[INFO] [stdout] 289441ccbc513810f16ef89b986c92798308dc71d0052b0b11aa201a6a593160
[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=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" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2df11bf1f99c2c9241ddba8f853c91460b755deec75bf33d18b76e625a37124
[INFO] running `Command { std: "docker" "start" "-a" "a2df11bf1f99c2c9241ddba8f853c91460b755deec75bf33d18b76e625a37124", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/codecrafters_bittorrent-157e60ebc2d43dfb)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/codecrafters_bittorrent-c56c40dd9b5938fb)
[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] [stdout] 
[INFO] [stderr]      Running tests/cli.rs (/opt/rustwide/target/debug/deps/cli-bc66f21fdb1cf964)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_milestone_0_runs_without_args ... ok
[INFO] [stderr]      Running tests/decode.rs (/opt/rustwide/target/debug/deps/decode-3ecfad001a61019d)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_milestone_1_decode_dictionary ... ok
[INFO] [stdout] test test_milestone_1_decode_list ... ok
[INFO] [stdout] test test_milestone_1_decode_string ... ok
[INFO] [stdout] test test_milestone_1_decode_integer ... ok
[INFO] [stderr]      Running tests/download.rs (/opt/rustwide/target/debug/deps/download-706bc5cd6b048b10)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_milestone_5_download_piece ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_milestone_5_download_piece stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_milestone_5_download_piece' (129) panicked at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5:
[INFO] [stdout] Unexpected failure.
[INFO] [stdout] code=1
[INFO] [stdout] stderr=``````
[INFO] [stdout] \x1b[2m2026-03-09T11:03:52.068881Z\x1b[0m \x1b[32m INFO\x1b[0m \x1b[2mcodecrafters_bittorrent::orchestrator\x1b[0m\x1b[2m:\x1b[0m Orchestrator started.
[INFO] [stdout] Error: error sending request for url (http://bittorrent-test-tracker.codecrafters.io/announce?info_hash=%d6%9f%91%e6%b2%ae%4c%54%24%68%d1%07%3a%71%d4%ea%13%87%9a%7f&peer_id=%2d%43%52%30%30%30%31%2d%30%30%30%30%30%30%30%30%30%30%30%30&port=6881&uploaded=0&downloaded=0&left=92063&compact=1): error trying to connect: dns error: failed to lookup address information: Temporary failure in name resolution
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     0: error trying to connect: dns error: failed to lookup address information: Temporary failure in name resolution
[INFO] [stdout]     1: dns error: failed to lookup address information: Temporary failure in name resolution
[INFO] [stdout]     2: failed to lookup address information: Temporary failure in name resolution
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: anyhow::error::<impl core::convert::From<E> for anyhow::Error>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.92/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/result.rs:2189:27
[INFO] [stdout]    2: codecrafters_bittorrent::orchestrator::Orchestrator::discover_peers::{{closure}}
[INFO] [stdout]              at ./src/orchestrator.rs:133:30
[INFO] [stdout]    3: codecrafters_bittorrent::orchestrator::Orchestrator::handle_download_piece_command::{{closure}}
[INFO] [stdout]              at ./src/orchestrator.rs:102:74
[INFO] [stdout]    4: codecrafters_bittorrent::orchestrator::Orchestrator::run::{{closure}}
[INFO] [stdout]              at ./src/orchestrator.rs:70:22
[INFO] [stdout]    5: codecrafters_bittorrent::orchestrator::run_client::{{closure}}
[INFO] [stdout]              at ./src/orchestrator.rs:543:24
[INFO] [stdout]    6: codecrafters_bittorrent::main::{{closure}}
[INFO] [stdout]              at ./src/main.rs:17:21
[INFO] [stdout]    7: tokio::runtime::park::CachedParkThread::block_on::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.0/src/runtime/park.rs:281:74
[INFO] [stdout]    8: tokio::runtime::coop::with_budget
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.0/src/runtime/coop.rs:107:5
[INFO] [stdout]    9: tokio::runtime::coop::budget
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   10: tokio::runtime::park::CachedParkThread::block_on
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.0/src/runtime/park.rs:281:31
[INFO] [stdout]   11: tokio::runtime::context::blocking::BlockingRegionGuard::block_on
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.0/src/runtime/context/blocking.rs:66:14
[INFO] [stdout]   12: tokio::runtime::scheduler::multi_thread::MultiThread::block_on::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.0/src/runtime/scheduler/multi_thread/mod.rs:87:22
[INFO] [stdout]   13: tokio::runtime::context::runtime::enter_runtime
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   14: tokio::runtime::scheduler::multi_thread::MultiThread::block_on
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.0/src/runtime/scheduler/multi_thread/mod.rs:86:9
[INFO] [stdout]   15: tokio::runtime::runtime::Runtime::block_on_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.0/src/runtime/runtime.rs:370:50
[INFO] [stdout]   16: tokio::runtime::runtime::Runtime::block_on
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.0/src/runtime/runtime.rs:342:18
[INFO] [stdout]   17: codecrafters_bittorrent::main
[INFO] [stdout]              at ./src/main.rs:19:7
[INFO] [stdout]   18: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   19: std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   20: std::rt::lang_start::{{closure}}
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/rt.rs:206:18
[INFO] [stdout]   21: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   22: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   23: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   24: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   25: std::rt::lang_start_internal::{{closure}}
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/rt.rs:175:24
[INFO] [stdout]   26: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   29: std::rt::lang_start_internal
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/rt.rs:171:5
[INFO] [stdout]   30: std::rt::lang_start
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/rt.rs:205:5
[INFO] [stdout]   31: main
[INFO] [stdout]   32: <unknown>
[INFO] [stdout]   33: __libc_start_main
[INFO] [stdout]   34: _start
[INFO] [stdout] ```
[INFO] [stdout] ```
[INFO] [stdout] command=`"/opt/rustwide/target/debug/codecrafters-bittorrent" "download_piece" "-o" "/tmp/.tmp9TK7Qp" "sample.torrent" "0"`
[INFO] [stdout] code=1
[INFO] [stdout] stdout=""
[INFO] [stdout] stderr=```
[INFO] [stdout] \x1b[2m2026-03-09T11:03:52.068881Z\x1b[0m \x1b[32m INFO\x1b[0m \x1b[2mcodecrafters_bittorrent::orchestrator\x1b[0m\x1b[2m:\x1b[0m Orchestrator started.
[INFO] [stdout] Error: error sending request for url (http://bittorrent-test-tracker.codecrafters.io/announce?info_hash=%d6%9f%91%e6%b2%ae%4c%54%24%68%d1%07%3a%71%d4%ea%13%87%9a%7f&peer_id=%2d%43%52%30%30%30%31%2d%30%30%30%30%30%30%30%30%30%30%30%30&port=6881&uploaded=0&downloaded=0&left=92063&compact=1): error trying to connect: dns error: failed to lookup address information: Temporary failure in name resolution
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     0: error trying to connect: dns error: failed to lookup address information: Temporary failure in name resolution
[INFO] [stdout]     1: dns error: failed to lookup address information: Temporary failure in name resolution
[INFO] [stdout]     2: failed to lookup address information: Temporary failure in name resolution
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: anyhow::error::<impl core::convert::From<E> for anyhow::Error>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.92/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/result.rs:2189:27
[INFO] [stdout]    2: codecrafters_bittorrent::orchestrator::Orchestrator::discover_peers::{{closure}}
[INFO] [stdout]              at ./src/orchestrator.rs:133:30
[INFO] [stdout]    3: codecrafters_bittorrent::orchestrator::Orchestrator::handle_download_piece_command::{{closure}}
[INFO] [stdout]              at ./src/orchestrator.rs:102:74
[INFO] [stdout]    4: codecrafters_bittorrent::orchestrator::Orchestrator::run::{{closure}}
[INFO] [stdout]              at ./src/orchestrator.rs:70:22
[INFO] [stdout]    5: codecrafters_bittorrent::orchestrator::run_client::{{closure}}
[INFO] [stdout]              at ./src/orchestrator.rs:543:24
[INFO] [stdout]    6: codecrafters_bittorrent::main::{{closure}}
[INFO] [stdout]              at ./src/main.rs:17:21
[INFO] [stdout]    7: tokio::runtime::park::CachedParkThread::block_on::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.0/src/runtime/park.rs:281:74
[INFO] [stdout]    8: tokio::runtime::coop::with_budget
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.0/src/runtime/coop.rs:107:5
[INFO] [stdout]    9: tokio::runtime::coop::budget
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   10: tokio::runtime::park::CachedParkThread::block_on
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.0/src/runtime/park.rs:281:31
[INFO] [stdout]   11: tokio::runtime::context::blocking::BlockingRegionGuard::block_on
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.0/src/runtime/context/blocking.rs:66:14
[INFO] [stdout]   12: tokio::runtime::scheduler::multi_thread::MultiThread::block_on::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.0/src/runtime/scheduler/multi_thread/mod.rs:87:22
[INFO] [stdout]   13: tokio::runtime::context::runtime::enter_runtime
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   14: tokio::runtime::scheduler::multi_thread::MultiThread::block_on
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.0/src/runtime/scheduler/multi_thread/mod.rs:86:9
[INFO] [stdout]   15: tokio::runtime::runtime::Runtime::block_on_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.0/src/runtime/runtime.rs:370:50
[INFO] [stdout]   16: tokio::runtime::runtime::Runtime::block_on
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.41.0/src/runtime/runtime.rs:342:18
[INFO] [stdout]   17: codecrafters_bittorrent::main
[INFO] [stdout]              at ./src/main.rs:19:7
[INFO] [stdout]   18: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   19: std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   20: std::rt::lang_start::{{closure}}
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/rt.rs:206:18
[INFO] [stdout]   21: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   22: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   23: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   24: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   25: std::rt::lang_start_internal::{{closure}}
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/rt.rs:175:24
[INFO] [stdout]   26: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   29: std::rt::lang_start_internal
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/rt.rs:171:5
[INFO] [stdout]   30: std::rt::lang_start
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/rt.rs:205:5
[INFO] [stdout]   31: main
[INFO] [stdout]   32: <unknown>
[INFO] [stdout]   33: __libc_start_main
[INFO] [stdout]   34: _start
[INFO] [stdout] ```
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f69e878dd42 - std::backtrace_rs::backtrace::libunwind::trace::hff358a60abf734fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f69e878dd42 - std::backtrace_rs::backtrace::trace_unsynchronized::h3b121f916dd95ec6
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f69e878dd42 - std::sys::backtrace::_print_fmt::hde0a62ded68798e9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f69e878dd42 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h93773fc827e3113d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f69e879efea - core::fmt::rt::Argument::fmt::h01eff69902dad97f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f69e879efea - core::fmt::write::hed7b5c73d82ecb7c
[INFO] [stdout]    6:     0x5f69e8759656 - std::io::default_write_fmt::h2f696ff5b8bbaa4b
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f69e8759656 - std::io::Write::write_fmt::h5e66814db8a9cfce
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5f69e876b2d9 - std::sys::backtrace::BacktraceLock::print::h8b1d6fcc5a56d1a3
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f69e876b2d9 - std::panicking::default_hook::{{closure}}::h2be84df4f189ae36
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f69e876b171 - std::panicking::default_hook::hf0ea8939246f43a9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5f69e86d7c0e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h02d35e3888986252
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5f69e86d7c0e - test::test_main_with_exit_callback::{{closure}}::h939640a27d647173
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f69e876b552 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc9df09ff391af3e7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5f69e876b552 - std::panicking::panic_with_hook::hb4bd9ac1123582a0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5f69e876b398 - std::panicking::panic_handler::{{closure}}::hde00dd15f5637fe2
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5f69e87659c9 - std::sys::backtrace::__rust_end_short_backtrace::hb72197fa777c1785
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5f69e874dd5d - __rustc[4425a7e20b4c8619]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5f69e87a69dc - core::panicking::panic_fmt::ha59b517dd231f4da
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5f69e871dc18 - core::panicking::panic_display::hfe7012d28db7c02f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x5f69e87157f7 - assert_cmd::assert::AssertError::panic::h5dad909ff407a6d5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.17/src/assert.rs:1033:9
[INFO] [stdout]   21:     0x5f69e8710287 - core::ops::function::FnOnce::call_once::habf6ae063f571d02
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5f69e871a634 - core::result::Result<T,E>::unwrap_or_else::h3edd41300dffafc7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/result.rs:1622:23
[INFO] [stdout]   23:     0x5f69e8715e40 - assert_cmd::assert::Assert::success::h6eb1dcd8ee2910b6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assert_cmd-2.0.17/src/assert.rs:158:28
[INFO] [stdout]   24:     0x5f69e86b8ab5 - download::test_milestone_5_download_piece::h06d856da215f1d13
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/download.rs:25:18
[INFO] [stdout]   25:     0x5f69e86b8e27 - download::test_milestone_5_download_piece::{{closure}}::he7833904e6c66246
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/download.rs:13:41
[INFO] [stdout]   26:     0x5f69e86b79c6 - core::ops::function::FnOnce::call_once::h862ebbfdee5daec0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5f69e86d79cb - core::ops::function::FnOnce::call_once::hddb3cd395c36bfbb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5f69e86d79cb - test::__rust_begin_short_backtrace::h0b6a7601d9750bfa
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:663:18
[INFO] [stdout]   29:     0x5f69e86eb3da - test::run_test_in_process::{{closure}}::h444209903f00b347
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:74
[INFO] [stdout]   30:     0x5f69e86eb3da - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfb3ba8f46e537649
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   31:     0x5f69e86eb3da - std::panicking::catch_unwind::do_call::h1672a45911fcf9dc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x5f69e86eb3da - std::panicking::catch_unwind::h0fadaee22787a6dd
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x5f69e86eb3da - std::panic::catch_unwind::hc47ad190f2c8e188
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x5f69e86eb3da - test::run_test_in_process::hcd7faaf934f29999
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:27
[INFO] [stdout]   35:     0x5f69e86eb3da - test::run_test::{{closure}}::hddc4550da4871867
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:607:43
[INFO] [stdout]   36:     0x5f69e86c5834 - test::run_test::{{closure}}::h98ae26689f13ed94
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:637:41
[INFO] [stdout]   37:     0x5f69e86c5834 - std::sys::backtrace::__rust_begin_short_backtrace::h3ec4d1f21ad44588
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   38:     0x5f69e86c91d2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd8bf2c73d479939f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   39:     0x5f69e86c91d2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3b4248f358af2491
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   40:     0x5f69e86c91d2 - std::panicking::catch_unwind::do_call::hda10a64f4b8daebe
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   41:     0x5f69e86c91d2 - std::panicking::catch_unwind::h659e5ee8336ec8c7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   42:     0x5f69e86c91d2 - std::panic::catch_unwind::h9d4d66a538912c18
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x5f69e86c91d2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h7557906bb51d79f1
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   44:     0x5f69e86c91d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9e460d1d7fc83d35
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x5f69e8760a8f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h61282da819d64ea9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   46:     0x5f69e8760a8f - std::sys::thread::unix::Thread::new::thread_start::h982f9ea829d1b5fb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   47:     0x706de1093aa4 - <unknown>
[INFO] [stdout]   48:     0x706de1120a64 - clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_milestone_5_download_piece
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test download`
[INFO] running `Command { std: "docker" "inspect" "a2df11bf1f99c2c9241ddba8f853c91460b755deec75bf33d18b76e625a37124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2df11bf1f99c2c9241ddba8f853c91460b755deec75bf33d18b76e625a37124", kill_on_drop: false }`
[INFO] [stdout] a2df11bf1f99c2c9241ddba8f853c91460b755deec75bf33d18b76e625a37124
