[INFO] fetching crate hanabot 0.2.7...
[INFO] testing hanabot-0.2.7 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate hanabot 0.2.7 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate hanabot 0.2.7
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate hanabot 0.2.7
[INFO] tweaked toml for crates.io crate hanabot 0.2.7 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hanabot 0.2.7 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hanabot 0.2.7 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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] 6b82befb7e72342efab093b609c997a8ce57aaae396545cbcec6f9d623d9eefd
[INFO] running `Command { std: "docker" "start" "6b82befb7e72342efab093b609c997a8ce57aaae396545cbcec6f9d623d9eefd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b82befb7e72342efab093b609c997a8ce57aaae396545cbcec6f9d623d9eefd", 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" "6b82befb7e72342efab093b609c997a8ce57aaae396545cbcec6f9d623d9eefd" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b82befb7e72342efab093b609c997a8ce57aaae396545cbcec6f9d623d9eefd", 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" "6b82befb7e72342efab093b609c997a8ce57aaae396545cbcec6f9d623d9eefd" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.10
[INFO] [stderr]    Compiling mio v1.2.2
[INFO] [stderr]    Compiling socket2 v0.6.5
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling hybrid-array v0.4.14
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling cmov v0.5.4
[INFO] [stderr]    Compiling futures-task v0.3.34
[INFO] [stderr]    Compiling cc v1.4.2
[INFO] [stderr]    Compiling futures-macro v0.3.34
[INFO] [stderr]    Compiling rustls v0.23.43
[INFO] [stderr]    Compiling ctutils v0.4.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling tokio v1.53.1
[INFO] [stderr]    Compiling crypto-common v0.2.2
[INFO] [stderr]    Compiling block-buffer v0.12.1
[INFO] [stderr]    Compiling futures-util v0.3.34
[INFO] [stderr]    Compiling thiserror v2.0.20
[INFO] [stderr]    Compiling icu_properties v2.2.0
[INFO] [stderr]    Compiling icu_normalizer v2.2.0
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling digest v0.11.3
[INFO] [stderr]    Compiling signal-hook v0.4.4
[INFO] [stderr]    Compiling thiserror-impl v2.0.20
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling rand v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.23.0
[INFO] [stderr]    Compiling darling v0.23.0
[INFO] [stderr]    Compiling sha1 v0.11.0
[INFO] [stderr]    Compiling idna_adapter v1.2.2
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling serde_with_macros v3.22.0
[INFO] [stderr]    Compiling futures-executor v0.3.34
[INFO] [stderr]    Compiling chrono v0.4.45
[INFO] [stderr]    Compiling futures v0.3.34
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling serde_with v3.22.0
[INFO] [stderr]    Compiling rvs_derive v0.3.2
[INFO] [stderr]    Compiling rvstruct v0.3.2
[INFO] [stderr]    Compiling rsb_derive v0.5.1
[INFO] [stderr]    Compiling hmac v0.13.0
[INFO] [stderr]    Compiling sha2 v0.11.0
[INFO] [stderr]    Compiling http-body-util v0.1.4
[INFO] [stderr]    Compiling tokio-util v0.7.19
[INFO] [stderr]    Compiling signal-hook-tokio v0.4.0
[INFO] [stderr]    Compiling tokio-stream v0.1.19
[INFO] [stderr]    Compiling h2 v0.4.15
[INFO] [stderr]    Compiling futures-locks v0.7.1
[INFO] [stderr]    Compiling async-trait v0.1.92
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling hyper v1.11.0
[INFO] [stderr]    Compiling hyper-util v0.1.20
[INFO] [stderr]    Compiling rustls-webpki v0.103.13
[INFO] [stderr]    Compiling tokio-rustls v0.26.4
[INFO] [stderr]    Compiling tungstenite v0.30.0
[INFO] [stderr]    Compiling hyper-rustls v0.27.9
[INFO] [stderr]    Compiling tokio-tungstenite v0.30.0
[INFO] [stderr]    Compiling slack-morphism v2.24.1
[INFO] [stderr]    Compiling hanabot v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 3m 51s
[INFO] running `Command { std: "docker" "inspect" "6b82befb7e72342efab093b609c997a8ce57aaae396545cbcec6f9d623d9eefd", 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" "6b82befb7e72342efab093b609c997a8ce57aaae396545cbcec6f9d623d9eefd" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling hanabot v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 5.38s
[INFO] running `Command { std: "docker" "inspect" "6b82befb7e72342efab093b609c997a8ce57aaae396545cbcec6f9d623d9eefd", 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" "6b82befb7e72342efab093b609c997a8ce57aaae396545cbcec6f9d623d9eefd" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.21s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/hanabot/179706c6f4611ae9/out/hanabot-179706c6f4611ae9)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/build/hanabot/01e915a6fd4fb444/out/hanabot-01e915a6fd4fb444)
[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] [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] [stderr]      Running unittests src/bin/stdio.rs (/opt/rustwide/target/release/build/hanabot/87b5b04149d0219a/out/stdio-87b5b04149d0219a)
[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] [stderr]      Running tests/games.rs (/opt/rustwide/target/release/build/hanabot/528621695018f8f4/out/games-528621695018f8f4)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test help ... ok
[INFO] [stdout] test two_join ... FAILED
[INFO] [stdout] test start ... FAILED
[INFO] [stdout] test start_alone ... FAILED
[INFO] [stdout] test one_join ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- two_join stdout ----
[INFO] [stdout] user a joined game
[INFO] [stdout] 
[INFO] [stdout] thread 'two_join' (1595) panicked at tests/games.rs:51:10:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: save on user join
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]    0: write out Hanabi state to state.json
[INFO] [stdout]    1: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] Location:
[INFO] [stdout]     src/lib.rs:287:14
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64a1ec9b0311 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x64a1ec9c541a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x64a1ec9b467c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x64a1ec98c066 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x64a1ec9a8639 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x64a1ec91c790 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x64a1ec9a87f2 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x64a1ec98c112 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x64a1ec984e29 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x64a1ec98cd1d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x64a1ec9c5b7c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x64a1ec9c5952 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x64a1ec8f96f5 - games[c5163282d13ea06b]::two_join::{closure#0}
[INFO] [stdout]   13:     0x64a1ec90afaa - <tokio[a7da1716cbe538e]::runtime::context::scoped::Scoped<tokio[a7da1716cbe538e]::runtime::scheduler::Context>>::set::<<tokio[a7da1716cbe538e]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[a7da1716cbe538e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[a373ad73a504971]::pin::Pin<&mut core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>>::{closure#0}, core[a373ad73a504971]::option::Option<()>>::{closure#0}, (alloc[2e1b2a31b91974c5]::boxed::Box<tokio[a7da1716cbe538e]::runtime::scheduler::current_thread::Core>, core[a373ad73a504971]::option::Option<()>)>
[INFO] [stdout]   14:     0x64a1ec90b5a5 - <tokio[a7da1716cbe538e]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>
[INFO] [stdout]   15:     0x64a1ec905b02 - <tokio[a7da1716cbe538e]::runtime::runtime::Runtime>::block_on::<core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>
[INFO] [stdout]   16:     0x64a1ec8fad6e - <games[c5163282d13ea06b]::two_join::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   17:     0x64a1ec90fbdb - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   18:     0x64a1ec91cdb5 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   19:     0x64a1ec9166a4 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   20:     0x64a1ec91fe42 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   21:     0x64a1ec9af95f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   22:     0x773c10c01dfa - <unknown>
[INFO] [stdout]   23:     0x773c10c953d4 - clone
[INFO] [stdout]   24:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- start stdout ----
[INFO] [stdout] user a joined game
[INFO] [stdout] 
[INFO] [stdout] thread 'start' (1593) panicked at tests/games.rs:110:10:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: save on user join
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]    0: write out Hanabi state to state.json
[INFO] [stdout]    1: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] Location:
[INFO] [stdout]     src/lib.rs:287:14
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64a1ec9b0311 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x64a1ec9c541a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x64a1ec9b467c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x64a1ec98c066 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x64a1ec9a8639 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x64a1ec91c790 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x64a1ec9a87f2 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x64a1ec98c112 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x64a1ec984e29 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x64a1ec98cd1d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x64a1ec9c5b7c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x64a1ec9c5952 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x64a1ec8f846c - games[c5163282d13ea06b]::start::{closure#0}
[INFO] [stdout]   13:     0x64a1ec90afaa - <tokio[a7da1716cbe538e]::runtime::context::scoped::Scoped<tokio[a7da1716cbe538e]::runtime::scheduler::Context>>::set::<<tokio[a7da1716cbe538e]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[a7da1716cbe538e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[a373ad73a504971]::pin::Pin<&mut core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>>::{closure#0}, core[a373ad73a504971]::option::Option<()>>::{closure#0}, (alloc[2e1b2a31b91974c5]::boxed::Box<tokio[a7da1716cbe538e]::runtime::scheduler::current_thread::Core>, core[a373ad73a504971]::option::Option<()>)>
[INFO] [stdout]   14:     0x64a1ec90b5a5 - <tokio[a7da1716cbe538e]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>
[INFO] [stdout]   15:     0x64a1ec905b02 - <tokio[a7da1716cbe538e]::runtime::runtime::Runtime>::block_on::<core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>
[INFO] [stdout]   16:     0x64a1ec8faa6e - <games[c5163282d13ea06b]::start::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   17:     0x64a1ec90fbdb - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   18:     0x64a1ec91cdb5 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   19:     0x64a1ec9166a4 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   20:     0x64a1ec91fe42 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   21:     0x64a1ec9af95f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   22:     0x773c10c01dfa - <unknown>
[INFO] [stdout]   23:     0x773c10c953d4 - clone
[INFO] [stdout]   24:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- start_alone stdout ----
[INFO] [stdout] user a joined game
[INFO] [stdout] 
[INFO] [stdout] thread 'start_alone' (1594) panicked at tests/games.rs:87:10:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: save on user join
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]    0: write out Hanabi state to state.json
[INFO] [stdout]    1: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] Location:
[INFO] [stdout]     src/lib.rs:287:14
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64a1ec9b0311 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x64a1ec9c541a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x64a1ec9b467c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x64a1ec98c066 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x64a1ec9a8639 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x64a1ec91c790 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x64a1ec9a87f2 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x64a1ec98c112 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x64a1ec984e29 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x64a1ec98cd1d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x64a1ec9c5b7c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x64a1ec9c5952 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x64a1ec8f72ed - games[c5163282d13ea06b]::start_alone::{closure#0}
[INFO] [stdout]   13:     0x64a1ec90afaa - <tokio[a7da1716cbe538e]::runtime::context::scoped::Scoped<tokio[a7da1716cbe538e]::runtime::scheduler::Context>>::set::<<tokio[a7da1716cbe538e]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[a7da1716cbe538e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[a373ad73a504971]::pin::Pin<&mut core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>>::{closure#0}, core[a373ad73a504971]::option::Option<()>>::{closure#0}, (alloc[2e1b2a31b91974c5]::boxed::Box<tokio[a7da1716cbe538e]::runtime::scheduler::current_thread::Core>, core[a373ad73a504971]::option::Option<()>)>
[INFO] [stdout]   14:     0x64a1ec90b5a5 - <tokio[a7da1716cbe538e]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>
[INFO] [stdout]   15:     0x64a1ec905b02 - <tokio[a7da1716cbe538e]::runtime::runtime::Runtime>::block_on::<core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>
[INFO] [stdout]   16:     0x64a1ec8fa76e - <games[c5163282d13ea06b]::start_alone::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   17:     0x64a1ec90fbdb - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   18:     0x64a1ec91cdb5 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   19:     0x64a1ec9166a4 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   20:     0x64a1ec91fe42 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   21:     0x64a1ec9af95f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   22:     0x773c10c01dfa - <unknown>
[INFO] [stdout]   23:     0x773c10c953d4 - clone
[INFO] [stdout]   24:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- one_join stdout ----
[INFO] [stdout] user a joined game
[INFO] [stdout] 
[INFO] [stdout] thread 'one_join' (1592) panicked at tests/games.rs:32:10:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: save on user join
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]    0: write out Hanabi state to state.json
[INFO] [stdout]    1: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] Location:
[INFO] [stdout]     src/lib.rs:287:14
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64a1ec9b0311 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x64a1ec9c541a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x64a1ec9b467c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x64a1ec98c066 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x64a1ec9a8639 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x64a1ec91c790 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x64a1ec9a87f2 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x64a1ec98c112 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x64a1ec984e29 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x64a1ec98cd1d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x64a1ec9c5b7c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x64a1ec9c5952 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x64a1ec8f8c22 - games[c5163282d13ea06b]::one_join::{closure#0}
[INFO] [stdout]   13:     0x64a1ec90afaa - <tokio[a7da1716cbe538e]::runtime::context::scoped::Scoped<tokio[a7da1716cbe538e]::runtime::scheduler::Context>>::set::<<tokio[a7da1716cbe538e]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[a7da1716cbe538e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[a373ad73a504971]::pin::Pin<&mut core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>>::{closure#0}, core[a373ad73a504971]::option::Option<()>>::{closure#0}, (alloc[2e1b2a31b91974c5]::boxed::Box<tokio[a7da1716cbe538e]::runtime::scheduler::current_thread::Core>, core[a373ad73a504971]::option::Option<()>)>
[INFO] [stdout]   14:     0x64a1ec90b5a5 - <tokio[a7da1716cbe538e]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>
[INFO] [stdout]   15:     0x64a1ec905b02 - <tokio[a7da1716cbe538e]::runtime::runtime::Runtime>::block_on::<core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>
[INFO] [stdout]   16:     0x64a1ec8fabce - <games[c5163282d13ea06b]::one_join::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   17:     0x64a1ec90fbdb - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   18:     0x64a1ec91cdb5 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   19:     0x64a1ec9166a4 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   20:     0x64a1ec91fe42 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   21:     0x64a1ec9af95f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   22:     0x773c10c01dfa - <unknown>
[INFO] [stdout]   23:     0x773c10c953d4 - clone
[INFO] [stdout]   24:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     one_join
[INFO] [stdout]     start
[INFO] [stdout]     start_alone
[INFO] [stdout]     two_join
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test games`
[INFO] running `Command { std: "docker" "inspect" "6b82befb7e72342efab093b609c997a8ce57aaae396545cbcec6f9d623d9eefd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b82befb7e72342efab093b609c997a8ce57aaae396545cbcec6f9d623d9eefd", kill_on_drop: false }`
[INFO] [stdout] 6b82befb7e72342efab093b609c997a8ce57aaae396545cbcec6f9d623d9eefd
