[INFO] fetching crate vom_rs 0.5.2...
[INFO] testing vom_rs-0.5.2 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate vom_rs 0.5.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate vom_rs 0.5.2
[INFO] finished tweaking crates.io crate vom_rs 0.5.2
[INFO] tweaked toml for crates.io crate vom_rs 0.5.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vom_rs 0.5.2 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] crate crates.io crate vom_rs 0.5.2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.209
[INFO] [stderr]   Downloaded decorum v0.3.1
[INFO] [stderr]   Downloaded serde v1.0.209
[INFO] [stderr]   Downloaded approx v0.3.2
[INFO] [stderr]   Downloaded syn v2.0.76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4befae5439e78351435894ce982ddf1f245a2a2a424aeba0f3feaca3aa88b801
[INFO] running `Command { std: "docker" "start" "4befae5439e78351435894ce982ddf1f245a2a2a424aeba0f3feaca3aa88b801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4befae5439e78351435894ce982ddf1f245a2a2a424aeba0f3feaca3aa88b801", 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" "4befae5439e78351435894ce982ddf1f245a2a2a424aeba0f3feaca3aa88b801" "/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" "4befae5439e78351435894ce982ddf1f245a2a2a424aeba0f3feaca3aa88b801", 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" "4befae5439e78351435894ce982ddf1f245a2a2a424aeba0f3feaca3aa88b801" "/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 v1.0.86
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling decorum v0.3.1
[INFO] [stderr]    Compiling vom_rs v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `last_state` is never read
[INFO] [stdout]   --> src/pfa.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct PfaQueryResult<T: Eq + Copy + Hash + std::fmt::Debug> {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 17 |     pub last_state: Label<T>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PfaQueryResult` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `symbol` and `prob` are never read
[INFO] [stdout]   --> src/pfa.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct PfaInsertionResult<T: Eq + Copy + Hash + std::fmt::Debug> {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub symbol: T,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 29 |     pub prob: f32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PfaInsertionResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `added_transitions`, `removed_transitions`, `added_states`, `removed_states`, `added_symbol`, and `template_symbol` are never read
[INFO] [stdout]   --> src/pfa.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct PfaOperationResult<T: Eq + Copy + Hash + std::fmt::Debug> {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] 42 |     pub added_transitions: Vec<PfaInsertionResult<T>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 43 |     pub removed_transitions: Vec<PfaRemovalResult<T>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 44 |     pub added_states: Vec<Label<T>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 45 |     pub removed_states: Vec<Label<T>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 46 |     pub added_symbol: Option<T>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 47 |     pub template_symbol: Option<T>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `restart` is never used
[INFO] [stdout]    --> src/pfa.rs:383:12
[INFO] [stdout]     |
[INFO] [stdout] 200 | impl<T: Eq + Copy + Hash + std::fmt::Debug + Ord> Pfa<T> {
[INFO] [stdout]     | -------------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 383 |     pub fn restart(&mut self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 19.45s
[INFO] running `Command { std: "docker" "inspect" "4befae5439e78351435894ce982ddf1f245a2a2a424aeba0f3feaca3aa88b801", 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" "4befae5439e78351435894ce982ddf1f245a2a2a424aeba0f3feaca3aa88b801" "/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 vom_rs v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `last_state` is never read
[INFO] [stdout]   --> src/pfa.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct PfaQueryResult<T: Eq + Copy + Hash + std::fmt::Debug> {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 17 |     pub last_state: Label<T>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PfaQueryResult` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `symbol` and `prob` are never read
[INFO] [stdout]   --> src/pfa.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct PfaInsertionResult<T: Eq + Copy + Hash + std::fmt::Debug> {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub symbol: T,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 29 |     pub prob: f32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PfaInsertionResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `added_transitions`, `removed_transitions`, `added_states`, `removed_states`, `added_symbol`, and `template_symbol` are never read
[INFO] [stdout]   --> src/pfa.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct PfaOperationResult<T: Eq + Copy + Hash + std::fmt::Debug> {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] 42 |     pub added_transitions: Vec<PfaInsertionResult<T>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 43 |     pub removed_transitions: Vec<PfaRemovalResult<T>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 44 |     pub added_states: Vec<Label<T>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 45 |     pub removed_states: Vec<Label<T>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 46 |     pub added_symbol: Option<T>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 47 |     pub template_symbol: Option<T>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `restart` is never used
[INFO] [stdout]    --> src/pfa.rs:383:12
[INFO] [stdout]     |
[INFO] [stdout] 200 | impl<T: Eq + Copy + Hash + std::fmt::Debug + Ord> Pfa<T> {
[INFO] [stdout]     | -------------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 383 |     pub fn restart(&mut self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 5.59s
[INFO] running `Command { std: "docker" "inspect" "4befae5439e78351435894ce982ddf1f245a2a2a424aeba0f3feaca3aa88b801", 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" "4befae5439e78351435894ce982ddf1f245a2a2a424aeba0f3feaca3aa88b801" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: field `last_state` is never read
[INFO] [stderr]   --> src/pfa.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct PfaQueryResult<T: Eq + Copy + Hash + std::fmt::Debug> {
[INFO] [stderr]    |            -------------- field in this struct
[INFO] [stderr] 17 |     pub last_state: Label<T>,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `PfaQueryResult` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `symbol` and `prob` are never read
[INFO] [stderr]   --> src/pfa.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct PfaInsertionResult<T: Eq + Copy + Hash + std::fmt::Debug> {
[INFO] [stderr]    |            ------------------ fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 28 |     pub symbol: T,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 29 |     pub prob: f32,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `PfaInsertionResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `added_transitions`, `removed_transitions`, `added_states`, `removed_states`, `added_symbol`, and `template_symbol` are never read
[INFO] [stderr]   --> src/pfa.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub struct PfaOperationResult<T: Eq + Copy + Hash + std::fmt::Debug> {
[INFO] [stderr]    |            ------------------ fields in this struct
[INFO] [stderr] 42 |     pub added_transitions: Vec<PfaInsertionResult<T>>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 43 |     pub removed_transitions: Vec<PfaRemovalResult<T>>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 44 |     pub added_states: Vec<Label<T>>,
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 45 |     pub removed_states: Vec<Label<T>>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 46 |     pub added_symbol: Option<T>,
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 47 |     pub template_symbol: Option<T>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `restart` is never used
[INFO] [stderr]    --> src/pfa.rs:383:12
[INFO] [stderr]     |
[INFO] [stderr] 200 | impl<T: Eq + Copy + Hash + std::fmt::Debug + Ord> Pfa<T> {
[INFO] [stderr]     | -------------------------------------------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 383 |     pub fn restart(&mut self) {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `vom_rs` (bin "vom_rs" test) generated 4 warnings
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/vom_rs-2548a160bde27073)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test pfa::tests::test_remove_symbol_transition ... FAILED
[INFO] [stdout] test pfa::tests::test_small_sample_consistency ... FAILED
[INFO] [stdout] test pst::tests::test_chi_with_symbol_char ... ok
[INFO] [stdout] test pst::tests::test_empirical_probability_of_symbol_given_token ... ok
[INFO] [stdout] test pst::tests::test_empirical_probability_of_symbol ... ok
[INFO] [stdout] test pst::tests::test_empirical_probability_of_token ... ok
[INFO] [stdout] test pst::tests::test_print_dot ... FAILED
[INFO] [stdout] test pst::tests::test_chi_char ... ok
[INFO] [stdout] test pfa::tests::test_rule_addition_order_equivalence ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- pfa::tests::test_remove_symbol_transition stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'pfa::tests::test_remove_symbol_transition' (686) panicked at src/pfa.rs:1673:60:
[INFO] [stdout] Unable to write file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5d246f597d11 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5d246f5ad0da - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x5d246f59c1ac - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5d246f574116 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5d246f590289 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x5d246f529530 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x5d246f590442 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5d246f5741c2 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5d246f56cf49 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5d246f574dbd - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x5d246f5ad80c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5d246f5ad5e2 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stdout]   12:     0x5d246f513419 - vom_rs[b83849e189ee93dc]::pfa::tests::test_remove_symbol_transition
[INFO] [stdout]   13:     0x5d246f5118c9 - <vom_rs[b83849e189ee93dc]::pfa::tests::test_remove_symbol_transition::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5d246f51c81b - 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]   15:     0x5d246f529e85 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5d246f523744 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5d246f52cfe2 - <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]   18:     0x5d246f5973f9 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x7c9450e8ddfa - <unknown>
[INFO] [stdout]   20:     0x7c9450f213d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- pfa::tests::test_small_sample_consistency stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'pfa::tests::test_small_sample_consistency' (688) panicked at src/pfa.rs:1612:51:
[INFO] [stdout] Unable to write file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5d246f597d11 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5d246f5ad0da - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x5d246f59c1ac - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5d246f574116 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5d246f590289 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x5d246f529530 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x5d246f590442 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5d246f5741c2 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5d246f56cf49 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5d246f574dbd - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x5d246f5ad80c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5d246f5ad5e2 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stdout]   12:     0x5d246f5141aa - vom_rs[b83849e189ee93dc]::pfa::tests::test_small_sample_consistency
[INFO] [stdout]   13:     0x5d246f5118e9 - <vom_rs[b83849e189ee93dc]::pfa::tests::test_small_sample_consistency::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5d246f51c81b - 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]   15:     0x5d246f529e85 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5d246f523744 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5d246f52cfe2 - <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]   18:     0x5d246f5973f9 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x7c9450e8ddfa - <unknown>
[INFO] [stdout]   20:     0x7c9450f213d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- pst::tests::test_print_dot stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'pst::tests::test_print_dot' (694) panicked at src/pst.rs:553:41:
[INFO] [stdout] Unable to write file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5d246f597d11 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5d246f5ad0da - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x5d246f59c1ac - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5d246f574116 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5d246f590289 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x5d246f529530 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x5d246f590442 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5d246f5741c2 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5d246f56cf49 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5d246f574dbd - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x5d246f5ad80c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5d246f5ad5e2 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stdout]   12:     0x5d246f515bd7 - vom_rs[b83849e189ee93dc]::pst::tests::test_print_dot
[INFO] [stdout]   13:     0x5d246f511949 - <vom_rs[b83849e189ee93dc]::pst::tests::test_print_dot::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5d246f51c81b - 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]   15:     0x5d246f529e85 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5d246f523744 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5d246f52cfe2 - <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]   18:     0x5d246f5973f9 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x7c9450e8ddfa - <unknown>
[INFO] [stdout]   20:     0x7c9450f213d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     pfa::tests::test_remove_symbol_transition
[INFO] [stdout]     pfa::tests::test_small_sample_consistency
[INFO] [stdout]     pst::tests::test_print_dot
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "4befae5439e78351435894ce982ddf1f245a2a2a424aeba0f3feaca3aa88b801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4befae5439e78351435894ce982ddf1f245a2a2a424aeba0f3feaca3aa88b801", kill_on_drop: false }`
[INFO] [stdout] 4befae5439e78351435894ce982ddf1f245a2a2a424aeba0f3feaca3aa88b801
