[INFO] fetching crate wpilog-rs 0.1.2...
[INFO] testing wpilog-rs-0.1.2 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate wpilog-rs 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate wpilog-rs 0.1.2
[INFO] finished tweaking crates.io crate wpilog-rs 0.1.2
[INFO] tweaked toml for crates.io crate wpilog-rs 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wpilog-rs 0.1.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to highest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.21)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded bimap v0.6.3
[INFO] [stderr]   Downloaded single_value_channel v1.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 023bfd942bc53292a50f420b18fd6470f6e17fe6ca03273fdb1a4b81ac8e36f0
[INFO] running `Command { std: "docker" "start" "023bfd942bc53292a50f420b18fd6470f6e17fe6ca03273fdb1a4b81ac8e36f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "023bfd942bc53292a50f420b18fd6470f6e17fe6ca03273fdb1a4b81ac8e36f0", 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" "023bfd942bc53292a50f420b18fd6470f6e17fe6ca03273fdb1a4b81ac8e36f0" "/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" "023bfd942bc53292a50f420b18fd6470f6e17fe6ca03273fdb1a4b81ac8e36f0", 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" "023bfd942bc53292a50f420b18fd6470f6e17fe6ca03273fdb1a4b81ac8e36f0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling unicode-ident v1.0.27
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling single_value_channel v1.2.2
[INFO] [stderr]    Compiling bimap v0.6.3
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling wpilog-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 22.52s
[INFO] running `Command { std: "docker" "inspect" "023bfd942bc53292a50f420b18fd6470f6e17fe6ca03273fdb1a4b81ac8e36f0", 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" "023bfd942bc53292a50f420b18fd6470f6e17fe6ca03273fdb1a4b81ac8e36f0" "/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 log v0.4.34
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling cfg-if v1.0.5
[INFO] [stderr]    Compiling lazy_static v1.5.1
[INFO] [stderr]    Compiling smallvec v1.16.3
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling thread_local v1.1.10
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling wpilog-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 21.65s
[INFO] running `Command { std: "docker" "inspect" "023bfd942bc53292a50f420b18fd6470f6e17fe6ca03273fdb1a4b81ac8e36f0", 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" "023bfd942bc53292a50f420b18fd6470f6e17fe6ca03273fdb1a4b81ac8e36f0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/wpilog_rs-538034fe9e8e89b0)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::basic_le_byte_read ... ok
[INFO] [stdout] test test::test_read_and_save ... FAILED
[INFO] [stdout] test test::test_record_types ... ok
[INFO] [stdout] test test::test_uint_enum ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::test_read_and_save stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test::test_read_and_save' (576) panicked at src/test.rs:97:48:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Io(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x63e6fba8af47 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x63e6fba70b7a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x63e6fba8a4fb - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x63e6fba89fdf - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x63e6fba89c0a - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x63e6fba89742 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    6:     0x63e6fbab0ab1 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    7:     0x63e6fbab0a69 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    8:     0x63e6fbab0f7c - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]    9:     0x63e6fba70a0b - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   10:     0x63e6fba74251 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stdout]   11:     0x63e6fbb2ae17 - wpilog_rs[b101fcf460e10a63]::test::test_read_and_save
[INFO] [stdout]   12:     0x63e6fba6f4d9 - <wpilog_rs[b101fcf460e10a63]::test::test_read_and_save::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   13:     0x63e6fbac8c3b - 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]   14:     0x63e6fbac424f - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   15:     0x63e6fbac3ccc - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   16:     0x63e6fbae0e8c - <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]   17:     0x63e6fbab23c2 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   18:     0x70993958cdfa - <unknown>
[INFO] [stdout]   19:     0x7099396203d4 - clone
[INFO] [stdout]   20:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::test_read_and_save
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "023bfd942bc53292a50f420b18fd6470f6e17fe6ca03273fdb1a4b81ac8e36f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "023bfd942bc53292a50f420b18fd6470f6e17fe6ca03273fdb1a4b81ac8e36f0", kill_on_drop: false }`
[INFO] [stdout] 023bfd942bc53292a50f420b18fd6470f6e17fe6ca03273fdb1a4b81ac8e36f0
