[INFO] fetching crate ensemble-client 0.1.0...
[INFO] testing ensemble-client-0.1.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate ensemble-client 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate ensemble-client 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ensemble-client 0.1.0
[INFO] tweaked toml for crates.io crate ensemble-client 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ensemble-client 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ensemble-client 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ensemble-routing v0.1.0
[INFO] [stderr]   Downloaded ensemble-core v0.1.0
[INFO] [stderr]   Downloaded ensemble-values v0.1.0
[INFO] [stderr]   Downloaded ensemble-discovery v0.1.0
[INFO] [stderr]   Downloaded ensemble-manifest v0.1.0
[INFO] [stderr]   Downloaded ensemble-protocol v0.1.0
[INFO] [stderr]   Downloaded ensemble-clock v0.1.0
[INFO] [stderr]   Downloaded tokio v1.52.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d46aaf2e4c7a2c5c49f6156d15cbf86540e71eae65110093d6643423ec1dacbf
[INFO] running `Command { std: "docker" "start" "d46aaf2e4c7a2c5c49f6156d15cbf86540e71eae65110093d6643423ec1dacbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d46aaf2e4c7a2c5c49f6156d15cbf86540e71eae65110093d6643423ec1dacbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d46aaf2e4c7a2c5c49f6156d15cbf86540e71eae65110093d6643423ec1dacbf" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d46aaf2e4c7a2c5c49f6156d15cbf86540e71eae65110093d6643423ec1dacbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d46aaf2e4c7a2c5c49f6156d15cbf86540e71eae65110093d6643423ec1dacbf" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling ensemble-clock v0.1.0
[INFO] [stderr]    Compiling ensemble-discovery v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling rmp v0.8.15
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tokio v1.52.2
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rmp-serde v1.3.1
[INFO] [stderr]    Compiling ensemble-values v0.1.0
[INFO] [stderr]    Compiling ensemble-protocol v0.1.0
[INFO] [stderr]    Compiling ensemble-manifest v0.1.0
[INFO] [stderr]    Compiling ensemble-core v0.1.0
[INFO] [stderr]    Compiling ensemble-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 18.35s
[INFO] running `Command { std: "docker" "inspect" "d46aaf2e4c7a2c5c49f6156d15cbf86540e71eae65110093d6643423ec1dacbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d46aaf2e4c7a2c5c49f6156d15cbf86540e71eae65110093d6643423ec1dacbf" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling ensemble-routing v0.1.0
[INFO] [stderr]    Compiling tokio v1.52.2
[INFO] [stderr]    Compiling ensemble-core v0.1.0
[INFO] [stderr]    Compiling ensemble-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> tests/discovery_tests.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct TestVoice {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 32 |     id: VoiceId,
[INFO] [stdout] 33 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 24.90s
[INFO] running `Command { std: "docker" "inspect" "d46aaf2e4c7a2c5c49f6156d15cbf86540e71eae65110093d6643423ec1dacbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d46aaf2e4c7a2c5c49f6156d15cbf86540e71eae65110093d6643423ec1dacbf" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> tests/discovery_tests.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | struct TestVoice {
[INFO] [stderr]    |        --------- field in this struct
[INFO] [stderr] 32 |     id: VoiceId,
[INFO] [stderr] 33 |     name: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ensemble-client` (test "discovery_tests") generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/ensemble_client-eb8eba1e00275208)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/discovery_tests.rs (/opt/rustwide/target/release/deps/discovery_tests-aa7526cff3ce5c57)
[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 5 tests
[INFO] [stdout] test explicit_connect_still_works ... ok
[INFO] [stdout] test connect_with_discovery_falls_back_when_port_file_missing ... ok
[INFO] [stdout] test connect_with_discovery_reads_port_file ... FAILED
[INFO] [stdout] test connect_with_discovery_handles_stale_port_file ... ok
[INFO] [stdout] test connect_with_discovery_stale_port_file_falls_back_to_running_hub ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--test discovery_tests`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- connect_with_discovery_reads_port_file stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'connect_with_discovery_reads_port_file' (763) panicked at tests/discovery_tests.rs:208:42:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c0c676a2271 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5c0c676b7bca - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x5c0c676a6c5c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5c0c6767c0a6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5c0c67699a69 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x5c0c676046f0 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x5c0c67699d92 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5c0c6767c152 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5c0c676749e9 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5c0c6767d21d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x5c0c676b832c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5c0c676b8102 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stdout]   12:     0x5c0c675d83f1 - discovery_tests[ecad5f2dea79352]::connect_with_discovery_reads_port_file::{closure#0}
[INFO] [stdout]   13:     0x5c0c675ea628 - <tokio[95a2b186088a07a6]::runtime::context::scoped::Scoped<tokio[95a2b186088a07a6]::runtime::scheduler::Context>>::set::<<tokio[95a2b186088a07a6]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[95a2b186088a07a6]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[df12db4294e9bfd3]::pin::Pin<&mut core[df12db4294e9bfd3]::pin::Pin<&mut dyn core[df12db4294e9bfd3]::future::future::Future<Output = ()>>>>::{closure#0}, core[df12db4294e9bfd3]::option::Option<()>>::{closure#0}, (alloc[2182bb758b4b3781]::boxed::Box<tokio[95a2b186088a07a6]::runtime::scheduler::current_thread::Core>, core[df12db4294e9bfd3]::option::Option<()>)>
[INFO] [stdout]   14:     0x5c0c675eadb4 - <tokio[95a2b186088a07a6]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[df12db4294e9bfd3]::pin::Pin<&mut dyn core[df12db4294e9bfd3]::future::future::Future<Output = ()>>>
[INFO] [stdout]   15:     0x5c0c675f03b2 - <tokio[95a2b186088a07a6]::runtime::runtime::Runtime>::block_on::<core[df12db4294e9bfd3]::pin::Pin<&mut dyn core[df12db4294e9bfd3]::future::future::Future<Output = ()>>>
[INFO] [stdout]   16:     0x5c0c675db1be - <discovery_tests[ecad5f2dea79352]::connect_with_discovery_reads_port_file::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   17:     0x5c0c675f79db - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   18:     0x5c0c67605045 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   19:     0x5c0c675fe904 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   20:     0x5c0c676081a2 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   21:     0x5c0c676a1209 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   22:     0x725b03cb4dfa - <unknown>
[INFO] [stdout]   23:     0x725b03d483d4 - clone
[INFO] [stdout]   24:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- connect_with_discovery_stale_port_file_falls_back_to_running_hub stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'connect_with_discovery_stale_port_file_falls_back_to_running_hub' (764) panicked at tests/discovery_tests.rs:208:42:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c0c676a2271 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5c0c676b7bca - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x5c0c676a6c5c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5c0c6767c0a6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5c0c67699a69 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x5c0c676046f0 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x5c0c67699d92 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5c0c6767c152 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5c0c676749e9 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5c0c6767d21d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x5c0c676b832c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5c0c676b8102 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stdout]   12:     0x5c0c675d8968 - discovery_tests[ecad5f2dea79352]::connect_with_discovery_stale_port_file_falls_back_to_running_hub::{closure#0}
[INFO] [stdout]   13:     0x5c0c675ea628 - <tokio[95a2b186088a07a6]::runtime::context::scoped::Scoped<tokio[95a2b186088a07a6]::runtime::scheduler::Context>>::set::<<tokio[95a2b186088a07a6]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[95a2b186088a07a6]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[df12db4294e9bfd3]::pin::Pin<&mut core[df12db4294e9bfd3]::pin::Pin<&mut dyn core[df12db4294e9bfd3]::future::future::Future<Output = ()>>>>::{closure#0}, core[df12db4294e9bfd3]::option::Option<()>>::{closure#0}, (alloc[2182bb758b4b3781]::boxed::Box<tokio[95a2b186088a07a6]::runtime::scheduler::current_thread::Core>, core[df12db4294e9bfd3]::option::Option<()>)>
[INFO] [stdout]   14:     0x5c0c675eadb4 - <tokio[95a2b186088a07a6]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[df12db4294e9bfd3]::pin::Pin<&mut dyn core[df12db4294e9bfd3]::future::future::Future<Output = ()>>>
[INFO] [stdout]   15:     0x5c0c675f03b2 - <tokio[95a2b186088a07a6]::runtime::runtime::Runtime>::block_on::<core[df12db4294e9bfd3]::pin::Pin<&mut dyn core[df12db4294e9bfd3]::future::future::Future<Output = ()>>>
[INFO] [stdout]   16:     0x5c0c675db63e - <discovery_tests[ecad5f2dea79352]::connect_with_discovery_stale_port_file_falls_back_to_running_hub::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   17:     0x5c0c675f79db - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   18:     0x5c0c67605045 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   19:     0x5c0c675fe904 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   20:     0x5c0c676081a2 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   21:     0x5c0c676a1209 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   22:     0x725b03cb4dfa - <unknown>
[INFO] [stdout]   23:     0x725b03d483d4 - clone
[INFO] [stdout]   24:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     connect_with_discovery_reads_port_file
[INFO] [stdout]     connect_with_discovery_stale_port_file_falls_back_to_running_hub
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d46aaf2e4c7a2c5c49f6156d15cbf86540e71eae65110093d6643423ec1dacbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d46aaf2e4c7a2c5c49f6156d15cbf86540e71eae65110093d6643423ec1dacbf", kill_on_drop: false }`
[INFO] [stdout] d46aaf2e4c7a2c5c49f6156d15cbf86540e71eae65110093d6643423ec1dacbf
