[INFO] fetching crate vom_rs 0.5.2...
[INFO] testing vom_rs-0.5.2 against 1.91.0 for beta-1.92-2
[INFO] extracting crate vom_rs 0.5.2 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vom_rs 0.5.2 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3055eceb06d90ab618bc4a85e2c05745130363b2ec9fce0c0171d7ea71758485
[INFO] running `Command { std: "docker" "start" "-a" "3055eceb06d90ab618bc4a85e2c05745130363b2ec9fce0c0171d7ea71758485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3055eceb06d90ab618bc4a85e2c05745130363b2ec9fce0c0171d7ea71758485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3055eceb06d90ab618bc4a85e2c05745130363b2ec9fce0c0171d7ea71758485", kill_on_drop: false }`
[INFO] [stdout] 3055eceb06d90ab618bc4a85e2c05745130363b2ec9fce0c0171d7ea71758485
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 025d284f292fcff30d530183a042b0969f7fd8506d54e99025d54beb2e5641bf
[INFO] running `Command { std: "docker" "start" "-a" "025d284f292fcff30d530183a042b0969f7fd8506d54e99025d54beb2e5641bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.76
[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 getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[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 `dev` profile [unoptimized + debuginfo] target(s) in 12.31s
[INFO] running `Command { std: "docker" "inspect" "025d284f292fcff30d530183a042b0969f7fd8506d54e99025d54beb2e5641bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "025d284f292fcff30d530183a042b0969f7fd8506d54e99025d54beb2e5641bf", kill_on_drop: false }`
[INFO] [stdout] 025d284f292fcff30d530183a042b0969f7fd8506d54e99025d54beb2e5641bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1801caf839af87cfc38d88112368c3e242cb2a91314bfed4a23b6c885f809b57
[INFO] running `Command { std: "docker" "start" "-a" "1801caf839af87cfc38d88112368c3e242cb2a91314bfed4a23b6c885f809b57", 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 `test` profile [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "1801caf839af87cfc38d88112368c3e242cb2a91314bfed4a23b6c885f809b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1801caf839af87cfc38d88112368c3e242cb2a91314bfed4a23b6c885f809b57", kill_on_drop: false }`
[INFO] [stdout] 1801caf839af87cfc38d88112368c3e242cb2a91314bfed4a23b6c885f809b57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 88840f8fc736dff96d90251342a1f612fed9685a70b651a11aa98902af36be76
[INFO] running `Command { std: "docker" "start" "-a" "88840f8fc736dff96d90251342a1f612fed9685a70b651a11aa98902af36be76", 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 `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vom_rs-fc288b38dce5a45d)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test pst::tests::test_chi_char ... ok
[INFO] [stdout] test pfa::tests::test_rule_addition_order_equivalence ... ok
[INFO] [stdout] test pst::tests::test_chi_with_symbol_char ... ok
[INFO] [stdout] test pfa::tests::test_small_sample_consistency ... FAILED
[INFO] [stdout] test pfa::tests::test_remove_symbol_transition ... FAILED
[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_empirical_probability_of_symbol_given_token ... ok
[INFO] [stdout] test pst::tests::test_print_dot ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- pfa::tests::test_small_sample_consistency stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'pfa::tests::test_small_sample_consistency' (26) 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:     0x5b089ac6f2a2 - std::backtrace_rs::backtrace::libunwind::trace::h62f3c6bea0fedab3
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b089ac6f2a2 - std::backtrace_rs::backtrace::trace_unsynchronized::hc41aaca6c0af0bde
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b089ac6f2a2 - std::sys::backtrace::_print_fmt::h33ac2b97007106cc
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5b089ac6f2a2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h4e0a3aeea0f9c085
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5b089ac8090f - core::fmt::rt::Argument::fmt::h1edd6a3e00b22f10
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5b089ac8090f - core::fmt::write::hecf68a131630c74d
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5b089ac3c7f1 - std::io::default_write_fmt::ha6b238eff7f0ef8a
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5b089ac3c7f1 - std::io::Write::write_fmt::h9846fe3d2a36c1ea
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5b089ac488c2 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5b089ac4d40f - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5b089ac4d2a1 - std::panicking::default_hook::h63f9bf8161c5d325
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5b089abd53ae - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb8126f8384f98101
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x5b089abd53ae - test::test_main_with_exit_callback::{{closure}}::hae96ae0cd2f2ce70
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5b089ac4dacf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha703f6686c81d0c6
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x5b089ac4dacf - std::panicking::panic_with_hook::h3173740e06bd0752
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5b089ac4d92a - std::panicking::panic_handler::{{closure}}::hbac492c61eb56a87
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5b089ac489f9 - std::sys::backtrace::__rust_end_short_backtrace::haa3eac3df9535320
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5b089ac30c7d - __rustc[de0091b922c53d7e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5b089ac88390 - core::panicking::panic_fmt::h5138da2ef87be35b
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5b089ac879f6 - core::result::unwrap_failed::h5d9b16b0b732a2ac
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1855:5
[INFO] [stdout]   20:     0x5b089ab8c0ac - core::result::Result<T,E>::expect::hef194d527369f31b
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1178:23
[INFO] [stdout]   21:     0x5b089abafe82 - vom_rs::pfa::tests::test_small_sample_consistency::h97cea3fb0426fe1f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/pfa.rs:1612:51
[INFO] [stdout]   22:     0x5b089abb00c7 - vom_rs::pfa::tests::test_small_sample_consistency::{{closure}}::he6d5d5caae385ede
[INFO] [stdout]                                at /opt/rustwide/workdir/src/pfa.rs:1607:39
[INFO] [stdout]   23:     0x5b089ab85a86 - core::ops::function::FnOnce::call_once::h78e53029f9336ef0
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5b089abd518b - core::ops::function::FnOnce::call_once::h8f50ae93d93b62b4
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5b089abd518b - test::__rust_begin_short_backtrace::h447963718d05a644
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5b089abeadc5 - test::run_test_in_process::{{closure}}::hf890ba4755ca86c0
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5b089abeadc5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h31e4b2860e583faa
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5b089abeadc5 - std::panicking::catch_unwind::do_call::hec7cdbbe797e2cab
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x5b089abeadc5 - std::panicking::catch_unwind::h24d3b93458b5ba67
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x5b089abeadc5 - std::panic::catch_unwind::h46eeec7cf9c9336c
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5b089abeadc5 - test::run_test_in_process::h290de6e559006104
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5b089abeadc5 - test::run_test::{{closure}}::h26eeb2c5f7e9a995
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5b089abc15c4 - test::run_test::{{closure}}::h85af00882daabeaa
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5b089abc15c4 - std::sys::backtrace::__rust_begin_short_backtrace::h9d9305dda51fa5f2
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5b089abc4f6a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc6aada8b43f0527b
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5b089abc4f6a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha89fe5505c1206f5
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5b089abc4f6a - std::panicking::catch_unwind::do_call::he3e0bef721d99583
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x5b089abc4f6a - std::panicking::catch_unwind::ha8241964d3d773cd
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x5b089abc4f6a - std::panic::catch_unwind::ha8554bc7696cae72
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5b089abc4f6a - std::thread::Builder::spawn_unchecked_::{{closure}}::he06f1f62b4c90f8d
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5b089abc4f6a - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha7fd20ecae19b9b9
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5b089ac43bef - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h43642ed9c40e0ab2
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x5b089ac43bef - std::sys::thread::unix::Thread::new::thread_start::h38da0f633f090ce2
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x78b21f286aa4 - <unknown>
[INFO] [stdout]   45:     0x78b21f313a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- pfa::tests::test_remove_symbol_transition stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'pfa::tests::test_remove_symbol_transition' (24) 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:     0x5b089ac6f2a2 - std::backtrace_rs::backtrace::libunwind::trace::h62f3c6bea0fedab3
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b089ac6f2a2 - std::backtrace_rs::backtrace::trace_unsynchronized::hc41aaca6c0af0bde
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b089ac6f2a2 - std::sys::backtrace::_print_fmt::h33ac2b97007106cc
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5b089ac6f2a2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h4e0a3aeea0f9c085
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5b089ac8090f - core::fmt::rt::Argument::fmt::h1edd6a3e00b22f10
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5b089ac8090f - core::fmt::write::hecf68a131630c74d
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5b089ac3c7f1 - std::io::default_write_fmt::ha6b238eff7f0ef8a
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5b089ac3c7f1 - std::io::Write::write_fmt::h9846fe3d2a36c1ea
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5b089ac488c2 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5b089ac4d40f - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5b089ac4d2a1 - std::panicking::default_hook::h63f9bf8161c5d325
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5b089abd53ae - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb8126f8384f98101
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x5b089abd53ae - test::test_main_with_exit_callback::{{closure}}::hae96ae0cd2f2ce70
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5b089ac4dacf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha703f6686c81d0c6
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x5b089ac4dacf - std::panicking::panic_with_hook::h3173740e06bd0752
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5b089ac4d92a - std::panicking::panic_handler::{{closure}}::hbac492c61eb56a87
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5b089ac489f9 - std::sys::backtrace::__rust_end_short_backtrace::haa3eac3df9535320
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5b089ac30c7d - __rustc[de0091b922c53d7e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5b089ac88390 - core::panicking::panic_fmt::h5138da2ef87be35b
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5b089ac879f6 - core::result::unwrap_failed::h5d9b16b0b732a2ac
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1855:5
[INFO] [stdout]   20:     0x5b089ab8c0ac - core::result::Result<T,E>::expect::hef194d527369f31b
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1178:23
[INFO] [stdout]   21:     0x5b089abaf7db - vom_rs::pfa::tests::test_remove_symbol_transition::h35308e818eacf17f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/pfa.rs:1673:60
[INFO] [stdout]   22:     0x5b089abafca7 - vom_rs::pfa::tests::test_remove_symbol_transition::{{closure}}::h1e8dbfdd4a01e015
[INFO] [stdout]                                at /opt/rustwide/workdir/src/pfa.rs:1625:39
[INFO] [stdout]   23:     0x5b089ab85ee6 - core::ops::function::FnOnce::call_once::hcf3ae854b7ed0ded
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5b089abd518b - core::ops::function::FnOnce::call_once::h8f50ae93d93b62b4
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5b089abd518b - test::__rust_begin_short_backtrace::h447963718d05a644
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5b089abeadc5 - test::run_test_in_process::{{closure}}::hf890ba4755ca86c0
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5b089abeadc5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h31e4b2860e583faa
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5b089abeadc5 - std::panicking::catch_unwind::do_call::hec7cdbbe797e2cab
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x5b089abeadc5 - std::panicking::catch_unwind::h24d3b93458b5ba67
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x5b089abeadc5 - std::panic::catch_unwind::h46eeec7cf9c9336c
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5b089abeadc5 - test::run_test_in_process::h290de6e559006104
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5b089abeadc5 - test::run_test::{{closure}}::h26eeb2c5f7e9a995
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5b089abc15c4 - test::run_test::{{closure}}::h85af00882daabeaa
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5b089abc15c4 - std::sys::backtrace::__rust_begin_short_backtrace::h9d9305dda51fa5f2
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5b089abc4f6a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc6aada8b43f0527b
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5b089abc4f6a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha89fe5505c1206f5
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5b089abc4f6a - std::panicking::catch_unwind::do_call::he3e0bef721d99583
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x5b089abc4f6a - std::panicking::catch_unwind::ha8241964d3d773cd
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x5b089abc4f6a - std::panic::catch_unwind::ha8554bc7696cae72
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5b089abc4f6a - std::thread::Builder::spawn_unchecked_::{{closure}}::he06f1f62b4c90f8d
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5b089abc4f6a - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha7fd20ecae19b9b9
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5b089ac43bef - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h43642ed9c40e0ab2
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x5b089ac43bef - std::sys::thread::unix::Thread::new::thread_start::h38da0f633f090ce2
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x78b21f286aa4 - <unknown>
[INFO] [stdout]   45:     0x78b21f313a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- pst::tests::test_print_dot stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'pst::tests::test_print_dot' (32) 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:     0x5b089ac6f2a2 - std::backtrace_rs::backtrace::libunwind::trace::h62f3c6bea0fedab3
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b089ac6f2a2 - std::backtrace_rs::backtrace::trace_unsynchronized::hc41aaca6c0af0bde
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b089ac6f2a2 - std::sys::backtrace::_print_fmt::h33ac2b97007106cc
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5b089ac6f2a2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h4e0a3aeea0f9c085
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5b089ac8090f - core::fmt::rt::Argument::fmt::h1edd6a3e00b22f10
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5b089ac8090f - core::fmt::write::hecf68a131630c74d
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5b089ac3c7f1 - std::io::default_write_fmt::ha6b238eff7f0ef8a
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5b089ac3c7f1 - std::io::Write::write_fmt::h9846fe3d2a36c1ea
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5b089ac488c2 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5b089ac4d40f - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5b089ac4d2a1 - std::panicking::default_hook::h63f9bf8161c5d325
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5b089abd53ae - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb8126f8384f98101
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x5b089abd53ae - test::test_main_with_exit_callback::{{closure}}::hae96ae0cd2f2ce70
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5b089ac4dacf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha703f6686c81d0c6
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x5b089ac4dacf - std::panicking::panic_with_hook::h3173740e06bd0752
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5b089ac4d92a - std::panicking::panic_handler::{{closure}}::hbac492c61eb56a87
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5b089ac489f9 - std::sys::backtrace::__rust_end_short_backtrace::haa3eac3df9535320
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5b089ac30c7d - __rustc[de0091b922c53d7e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5b089ac88390 - core::panicking::panic_fmt::h5138da2ef87be35b
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5b089ac879f6 - core::result::unwrap_failed::h5d9b16b0b732a2ac
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1855:5
[INFO] [stdout]   20:     0x5b089ab8c0ac - core::result::Result<T,E>::expect::hef194d527369f31b
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1178:23
[INFO] [stdout]   21:     0x5b089ab7c9fc - vom_rs::pst::tests::test_print_dot::hf1cc9e1ef2b5033f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/pst.rs:553:41
[INFO] [stdout]   22:     0x5b089ab7ca67 - vom_rs::pst::tests::test_print_dot::{{closure}}::hd01ea1b807010c2d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/pst.rs:542:24
[INFO] [stdout]   23:     0x5b089ab85f26 - core::ops::function::FnOnce::call_once::hdc1505ee57f53e7a
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5b089abd518b - core::ops::function::FnOnce::call_once::h8f50ae93d93b62b4
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5b089abd518b - test::__rust_begin_short_backtrace::h447963718d05a644
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5b089abeadc5 - test::run_test_in_process::{{closure}}::hf890ba4755ca86c0
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5b089abeadc5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h31e4b2860e583faa
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5b089abeadc5 - std::panicking::catch_unwind::do_call::hec7cdbbe797e2cab
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x5b089abeadc5 - std::panicking::catch_unwind::h24d3b93458b5ba67
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x5b089abeadc5 - std::panic::catch_unwind::h46eeec7cf9c9336c
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5b089abeadc5 - test::run_test_in_process::h290de6e559006104
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5b089abeadc5 - test::run_test::{{closure}}::h26eeb2c5f7e9a995
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5b089abc15c4 - test::run_test::{{closure}}::h85af00882daabeaa
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5b089abc15c4 - std::sys::backtrace::__rust_begin_short_backtrace::h9d9305dda51fa5f2
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5b089abc4f6a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc6aada8b43f0527b
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5b089abc4f6a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha89fe5505c1206f5
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5b089abc4f6a - std::panicking::catch_unwind::do_call::he3e0bef721d99583
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x5b089abc4f6a - std::panicking::catch_unwind::ha8241964d3d773cd
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x5b089abc4f6a - std::panic::catch_unwind::ha8554bc7696cae72
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5b089abc4f6a - std::thread::Builder::spawn_unchecked_::{{closure}}::he06f1f62b4c90f8d
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5b089abc4f6a - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha7fd20ecae19b9b9
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5b089ac43bef - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h43642ed9c40e0ab2
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x5b089ac43bef - std::sys::thread::unix::Thread::new::thread_start::h38da0f633f090ce2
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x78b21f286aa4 - <unknown>
[INFO] [stdout]   45:     0x78b21f313a64 - clone
[INFO] [stdout]   46:                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 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "88840f8fc736dff96d90251342a1f612fed9685a70b651a11aa98902af36be76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88840f8fc736dff96d90251342a1f612fed9685a70b651a11aa98902af36be76", kill_on_drop: false }`
[INFO] [stdout] 88840f8fc736dff96d90251342a1f612fed9685a70b651a11aa98902af36be76
