[INFO] fetching crate pathtrie 0.1.1...
[INFO] testing pathtrie-0.1.1 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] extracting crate pathtrie 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate pathtrie 0.1.1
[INFO] finished tweaking crates.io crate pathtrie 0.1.1
[INFO] tweaked toml for crates.io crate pathtrie 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pathtrie 0.1.1 on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 105 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.1)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding tracing-subscriber v0.2.25 (available: v0.3.22)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5d5439f3636d620b64fbad7ac7146fbdb14c55350d79ae8cbb09ccb819acf1d
[INFO] running `Command { std: "docker" "start" "-a" "d5d5439f3636d620b64fbad7ac7146fbdb14c55350d79ae8cbb09ccb819acf1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5d5439f3636d620b64fbad7ac7146fbdb14c55350d79ae8cbb09ccb819acf1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d5439f3636d620b64fbad7ac7146fbdb14c55350d79ae8cbb09ccb819acf1d", kill_on_drop: false }`
[INFO] [stdout] d5d5439f3636d620b64fbad7ac7146fbdb14c55350d79ae8cbb09ccb819acf1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec201fdac076f33d4baad9437d29d6b36cdf3b0b073d9734759671e9e3f3e67a
[INFO] running `Command { std: "docker" "start" "-a" "ec201fdac076f33d4baad9437d29d6b36cdf3b0b073d9734759671e9e3f3e67a", kill_on_drop: false }`
[INFO] [stderr]    Compiling indenter v0.3.4
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling memmap v0.7.0
[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 thiserror v1.0.69
[INFO] [stderr]    Compiling pathtrie v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: cannot use constants which depend on generic parameters in types
[INFO] [stdout]    --> src/lib.rs:358:33
[INFO] [stdout]     |
[INFO] [stdout] 358 |         writer.write_all(&[0u8; Self::HEADER_SIZE])?;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #76200 <https://github.com/rust-lang/rust/issues/76200>
[INFO] [stdout]     = note: `#[warn(const_evaluatable_unchecked)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ByteKey` is never constructed
[INFO] [stdout]   --> src/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct ByteKey([u8]);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:325:68
[INFO] [stdout]     |
[INFO] [stdout] 325 |     fn walk<'a>(&'a self, key: &[u8], node: &'a Node<T>) -> Option<&Node<T>> {
[INFO] [stdout]     |                  --                          --                    ^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |                  |                           |
[INFO] [stdout]     |                  |                           the lifetime is named here
[INFO] [stdout]     |                  the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 325 |     fn walk<'a>(&'a self, key: &[u8], node: &'a Node<T>) -> Option<&'a Node<T>> {
[INFO] [stdout]     |                                                                     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.43s
[INFO] running `Command { std: "docker" "inspect" "ec201fdac076f33d4baad9437d29d6b36cdf3b0b073d9734759671e9e3f3e67a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec201fdac076f33d4baad9437d29d6b36cdf3b0b073d9734759671e9e3f3e67a", kill_on_drop: false }`
[INFO] [stdout] ec201fdac076f33d4baad9437d29d6b36cdf3b0b073d9734759671e9e3f3e67a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09be1ebe5e69e7aa796becae58fa7951ecace3001d48ed6fde47b3884fbad80f
[INFO] running `Command { std: "docker" "start" "-a" "09be1ebe5e69e7aa796becae58fa7951ecace3001d48ed6fde47b3884fbad80f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling tracing-log v0.1.4
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stdout] warning: cannot use constants which depend on generic parameters in types
[INFO] [stdout]    --> src/lib.rs:358:33
[INFO] [stdout]     |
[INFO] [stdout] 358 |         writer.write_all(&[0u8; Self::HEADER_SIZE])?;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #76200 <https://github.com/rust-lang/rust/issues/76200>
[INFO] [stdout]     = note: `#[warn(const_evaluatable_unchecked)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ByteKey` is never constructed
[INFO] [stdout]   --> src/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct ByteKey([u8]);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:325:68
[INFO] [stdout]     |
[INFO] [stdout] 325 |     fn walk<'a>(&'a self, key: &[u8], node: &'a Node<T>) -> Option<&Node<T>> {
[INFO] [stdout]     |                  --                          --                    ^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |                  |                           |
[INFO] [stdout]     |                  |                           the lifetime is named here
[INFO] [stdout]     |                  the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 325 |     fn walk<'a>(&'a self, key: &[u8], node: &'a Node<T>) -> Option<&'a Node<T>> {
[INFO] [stdout]     |                                                                     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling tracing-serde v0.1.3
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling pathtrie v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: cannot use constants which depend on generic parameters in types
[INFO] [stdout]    --> src/lib.rs:358:33
[INFO] [stdout]     |
[INFO] [stdout] 358 |         writer.write_all(&[0u8; Self::HEADER_SIZE])?;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #76200 <https://github.com/rust-lang/rust/issues/76200>
[INFO] [stdout]     = note: `#[warn(const_evaluatable_unchecked)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ByteKey` is never constructed
[INFO] [stdout]   --> src/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct ByteKey([u8]);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:325:68
[INFO] [stdout]     |
[INFO] [stdout] 325 |     fn walk<'a>(&'a self, key: &[u8], node: &'a Node<T>) -> Option<&Node<T>> {
[INFO] [stdout]     |                  --                          --                    ^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |                  |                           |
[INFO] [stdout]     |                  |                           the lifetime is named here
[INFO] [stdout]     |                  the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 325 |     fn walk<'a>(&'a self, key: &[u8], node: &'a Node<T>) -> Option<&'a Node<T>> {
[INFO] [stdout]     |                                                                     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 24.46s
[INFO] running `Command { std: "docker" "inspect" "09be1ebe5e69e7aa796becae58fa7951ecace3001d48ed6fde47b3884fbad80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09be1ebe5e69e7aa796becae58fa7951ecace3001d48ed6fde47b3884fbad80f", kill_on_drop: false }`
[INFO] [stdout] 09be1ebe5e69e7aa796becae58fa7951ecace3001d48ed6fde47b3884fbad80f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5141eefacbff01adcd7932d45c3a2225d7edfc1657658924f91ff541783a829
[INFO] running `Command { std: "docker" "start" "-a" "f5141eefacbff01adcd7932d45c3a2225d7edfc1657658924f91ff541783a829", kill_on_drop: false }`
[INFO] [stderr] warning: cannot use constants which depend on generic parameters in types
[INFO] [stderr]    --> src/lib.rs:358:33
[INFO] [stderr]     |
[INFO] [stderr] 358 |         writer.write_all(&[0u8; Self::HEADER_SIZE])?;
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #76200 <https://github.com/rust-lang/rust/issues/76200>
[INFO] [stderr]     = note: `#[warn(const_evaluatable_unchecked)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ByteKey` is never constructed
[INFO] [stderr]   --> src/lib.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | struct ByteKey([u8]);
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:325:68
[INFO] [stderr]     |
[INFO] [stderr] 325 |     fn walk<'a>(&'a self, key: &[u8], node: &'a Node<T>) -> Option<&Node<T>> {
[INFO] [stderr]     |                  --                          --                    ^^^^^^^^ the same lifetime is elided here
[INFO] [stderr]     |                  |                           |
[INFO] [stderr]     |                  |                           the lifetime is named here
[INFO] [stderr]     |                  the lifetime is named here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 325 |     fn walk<'a>(&'a self, key: &[u8], node: &'a Node<T>) -> Option<&'a Node<T>> {
[INFO] [stderr]     |                                                                     ++
[INFO] [stderr] 
[INFO] [stderr] warning: `pathtrie` (lib) generated 3 warnings (run `cargo fix --lib -p pathtrie` to apply 1 suggestion)
[INFO] [stderr] warning: `pathtrie` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pathtrie-5cada33a345c2426)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test lcp::tests::exact ... ok
[INFO] [stdout] test lcp::tests::divergent ... ok
[INFO] [stdout] test lcp::tests::no_match ... ok
[INFO] [stdout] test lcp::tests::incomplete ... ok
[INFO] [stdout] test tests::insert_subset ... ok
[INFO] [stdout] test tests::insert_divergent2 ... ok
[INFO] [stdout] test tests::insert_divergent ... ok
[INFO] [stdout] test lcp::tests::perfect_subset ... ok
[INFO] [stdout] test tests::empty_fst ... FAILED
[INFO] [stdout] test tests::fst ... FAILED
[INFO] [stdout] test tests::set_and_get ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::empty_fst stdout ----
[INFO] [stdout] Cursor { inner: [255, 223, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0], pos: 4 }
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::empty_fst' (29) panicked at src/lib.rs:666:62:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56b1ff27b962 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56b1ff27b962 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56b1ff27b962 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56b1ff27b962 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56b1ff2902ca - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56b1ff2902ca - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x56b1ff280816 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56b1ff280816 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x56b1ff259cbf - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56b1ff259cbf - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56b1ff273979 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56b1ff20d5ee - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x56b1ff20d5ee - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x56b1ff273b32 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x56b1ff273b32 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56b1ff259d78 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x56b1ff24ef39 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56b1ff25abcd - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56b1ff2909cc - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56b1ff290742 - core[585f66e14d78f9ba]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x56b1ff1f69a9 - <core[585f66e14d78f9ba]::result::Result<(), std[3f03f8b59f91bef1]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x56b1ff1f69a9 - pathtrie[ffc3c7185fcd34e5]::tests::empty_fst
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:666:62
[INFO] [stdout]   22:     0x56b1ff1f3247 - pathtrie[ffc3c7185fcd34e5]::tests::empty_fst::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:660:19
[INFO] [stdout]   23:     0x56b1ff1e7426 - <pathtrie[ffc3c7185fcd34e5]::tests::empty_fst::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56b1ff20199b - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56b1ff20199b - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x56b1ff20e1fa - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x56b1ff20e1fa - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x56b1ff20e1fa - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x56b1ff20e1fa - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x56b1ff20e1fa - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x56b1ff20e1fa - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x56b1ff20e1fa - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x56b1ff2086c4 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x56b1ff2086c4 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x56b1ff210cf2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x56b1ff210cf2 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x56b1ff210cf2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x56b1ff210cf2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x56b1ff210cf2 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x56b1ff210cf2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x56b1ff210cf2 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x56b1ff27b03f - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x56b1ff27b03f - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   44:     0x75ecaf54daa4 - <unknown>
[INFO] [stdout]   45:     0x75ecaf5daa64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::fst stdout ----
[INFO] [stdout] ROOT: Node {
[INFO] [stdout]     key: "",
[INFO] [stdout]     body: Children(
[INFO] [stdout]         [
[INFO] [stdout]             Node {
[INFO] [stdout]                 key: "a/",
[INFO] [stdout]                 body: Children(
[INFO] [stdout]                     [
[INFO] [stdout]                         Node {
[INFO] [stdout]                             key: "1/",
[INFO] [stdout]                             body: Children(
[INFO] [stdout]                                 [
[INFO] [stdout]                                     Node {
[INFO] [stdout]                                         key: "a",
[INFO] [stdout]                                         body: Value(
[INFO] [stdout]                                             1,
[INFO] [stdout]                                         ),
[INFO] [stdout]                                     },
[INFO] [stdout]                                     Node {
[INFO] [stdout]                                         key: "b",
[INFO] [stdout]                                         body: Value(
[INFO] [stdout]                                             2,
[INFO] [stdout]                                         ),
[INFO] [stdout]                                     },
[INFO] [stdout]                                     Node {
[INFO] [stdout]                                         key: "c",
[INFO] [stdout]                                         body: Value(
[INFO] [stdout]                                             3,
[INFO] [stdout]                                         ),
[INFO] [stdout]                                     },
[INFO] [stdout]                                 ],
[INFO] [stdout]                             ),
[INFO] [stdout]                         },
[INFO] [stdout]                         Node {
[INFO] [stdout]                             key: "2/",
[INFO] [stdout]                             body: Children(
[INFO] [stdout]                                 [
[INFO] [stdout]                                     Node {
[INFO] [stdout]                                         key: "a",
[INFO] [stdout]                                         body: Value(
[INFO] [stdout]                                             10,
[INFO] [stdout]                                         ),
[INFO] [stdout]                                     },
[INFO] [stdout]                                     Node {
[INFO] [stdout]                                         key: "b",
[INFO] [stdout]                                         body: Value(
[INFO] [stdout]                                             11,
[INFO] [stdout]                                         ),
[INFO] [stdout]                                     },
[INFO] [stdout]                                     Node {
[INFO] [stdout]                                         key: "c",
[INFO] [stdout]                                         body: Value(
[INFO] [stdout]                                             12,
[INFO] [stdout]                                         ),
[INFO] [stdout]                                     },
[INFO] [stdout]                                 ],
[INFO] [stdout]                             ),
[INFO] [stdout]                         },
[INFO] [stdout]                     ],
[INFO] [stdout]                 ),
[INFO] [stdout]             },
[INFO] [stdout]             Node {
[INFO] [stdout]                 key: "b/",
[INFO] [stdout]                 body: Children(
[INFO] [stdout]                     [
[INFO] [stdout]                         Node {
[INFO] [stdout]                             key: "1/",
[INFO] [stdout]                             body: Children(
[INFO] [stdout]                                 [
[INFO] [stdout]                                     Node {
[INFO] [stdout]                                         key: "a",
[INFO] [stdout]                                         body: Value(
[INFO] [stdout]                                             4,
[INFO] [stdout]                                         ),
[INFO] [stdout]                                     },
[INFO] [stdout]                                     Node {
[INFO] [stdout]                                         key: "b",
[INFO] [stdout]                                         body: Value(
[INFO] [stdout]                                             5,
[INFO] [stdout]                                         ),
[INFO] [stdout]                                     },
[INFO] [stdout]                                     Node {
[INFO] [stdout]                                         key: "c",
[INFO] [stdout]                                         body: Value(
[INFO] [stdout]                                             6,
[INFO] [stdout]                                         ),
[INFO] [stdout]                                     },
[INFO] [stdout]                                 ],
[INFO] [stdout]                             ),
[INFO] [stdout]                         },
[INFO] [stdout]                         Node {
[INFO] [stdout]                             key: "2/",
[INFO] [stdout]                             body: Children(
[INFO] [stdout]                                 [
[INFO] [stdout]                                     Node {
[INFO] [stdout]                                         key: "a",
[INFO] [stdout]                                         body: Value(
[INFO] [stdout]                                             13,
[INFO] [stdout]                                         ),
[INFO] [stdout]                                     },
[INFO] [stdout]                                     Node {
[INFO] [stdout]                                         key: "b",
[INFO] [stdout]                                         body: Value(
[INFO] [stdout]                                             14,
[INFO] [stdout]                                         ),
[INFO] [stdout]                                     },
[INFO] [stdout]                                     Node {
[INFO] [stdout]                                         key: "c",
[INFO] [stdout]                                         body: Value(
[INFO] [stdout]                                             15,
[INFO] [stdout]                                         ),
[INFO] [stdout]                                     },
[INFO] [stdout]                                 ],
[INFO] [stdout]                             ),
[INFO] [stdout]                         },
[INFO] [stdout]                     ],
[INFO] [stdout]                 ),
[INFO] [stdout]             },
[INFO] [stdout]             Node {
[INFO] [stdout]                 key: "c/",
[INFO] [stdout]                 body: Children(
[INFO] [stdout]                     [
[INFO] [stdout]                         Node {
[INFO] [stdout]                             key: "1/",
[INFO] [stdout]                             body: Children(
[INFO] [stdout]                                 [
[INFO] [stdout]                                     Node {
[INFO] [stdout]                                         key: "a",
[INFO] [stdout]                                         body: Value(
[INFO] [stdout]                                             7,
[INFO] [stdout]                                         ),
[INFO] [stdout]                                     },
[INFO] [stdout]                                     Node {
[INFO] [stdout]                                         key: "b",
[INFO] [stdout]                                         body: Value(
[INFO] [stdout]                                             8,
[INFO] [stdout]                                         ),
[INFO] [stdout]                                     },
[INFO] [stdout]                                     Node {
[INFO] [stdout]                                         key: "c",
[INFO] [stdout]                                         body: Value(
[INFO] [stdout]                                             9,
[INFO] [stdout]                                         ),
[INFO] [stdout]                                     },
[INFO] [stdout]                                 ],
[INFO] [stdout]                             ),
[INFO] [stdout]                         },
[INFO] [stdout]                         Node {
[INFO] [stdout]                             key: "2/",
[INFO] [stdout]                             body: Children(
[INFO] [stdout]                                 [
[INFO] [stdout]                                     Node {
[INFO] [stdout]                                         key: "a",
[INFO] [stdout]                                         body: Value(
[INFO] [stdout]                                             16,
[INFO] [stdout]                                         ),
[INFO] [stdout]                                     },
[INFO] [stdout]                                     Node {
[INFO] [stdout]                                         key: "b",
[INFO] [stdout]                                         body: Value(
[INFO] [stdout]                                             17,
[INFO] [stdout]                                         ),
[INFO] [stdout]                                     },
[INFO] [stdout]                                     Node {
[INFO] [stdout]                                         key: "c",
[INFO] [stdout]                                         body: Value(
[INFO] [stdout]                                             18,
[INFO] [stdout]                                         ),
[INFO] [stdout]                                     },
[INFO] [stdout]                                 ],
[INFO] [stdout]                             ),
[INFO] [stdout]                         },
[INFO] [stdout]                     ],
[INFO] [stdout]                 ),
[INFO] [stdout]             },
[INFO] [stdout]         ],
[INFO] [stdout]     ),
[INFO] [stdout] }
[INFO] [stdout] D:0 Child [<>a/] Children([Node { key: "1/", body: Children([Node { key: "a", body: Value(1) }, Node { key: "b", body: Value(2) }, Node { key: "c", body: Value(3) }]) }, Node { key: "2/", body: Children([Node { key: "a", body: Value(10) }, Node { key: "b", body: Value(11) }, Node { key: "c", body: Value(12) }]) }])
[INFO] [stdout] D:0 Child [<>b/] Children([Node { key: "1/", body: Children([Node { key: "a", body: Value(4) }, Node { key: "b", body: Value(5) }, Node { key: "c", body: Value(6) }]) }, Node { key: "2/", body: Children([Node { key: "a", body: Value(13) }, Node { key: "b", body: Value(14) }, Node { key: "c", body: Value(15) }]) }])
[INFO] [stdout] D:0 Child [<>c/] Children([Node { key: "1/", body: Children([Node { key: "a", body: Value(7) }, Node { key: "b", body: Value(8) }, Node { key: "c", body: Value(9) }]) }, Node { key: "2/", body: Children([Node { key: "a", body: Value(16) }, Node { key: "b", body: Value(17) }, Node { key: "c", body: Value(18) }]) }])
[INFO] [stdout] D:1 Child [a/<>1/] Children([Node { key: "a", body: Value(1) }, Node { key: "b", body: Value(2) }, Node { key: "c", body: Value(3) }])
[INFO] [stdout] D:1 Child [a/<>2/] Children([Node { key: "a", body: Value(10) }, Node { key: "b", body: Value(11) }, Node { key: "c", body: Value(12) }])
[INFO] [stdout] D:2 Child [a/1/<>a] Value(1)
[INFO] [stdout] D:2 Child [a/1/<>b] Value(2)
[INFO] [stdout] D:2 Child [a/1/<>c] Value(3)
[INFO] [stdout] D:2 Child [a/2/<>a] Value(10)
[INFO] [stdout] D:2 Child [a/2/<>b] Value(11)
[INFO] [stdout] D:2 Child [a/2/<>c] Value(12)
[INFO] [stdout] D:1 Child [b/<>1/] Children([Node { key: "a", body: Value(4) }, Node { key: "b", body: Value(5) }, Node { key: "c", body: Value(6) }])
[INFO] [stdout] D:1 Child [b/<>2/] Children([Node { key: "a", body: Value(13) }, Node { key: "b", body: Value(14) }, Node { key: "c", body: Value(15) }])
[INFO] [stdout] D:2 Child [b/1/<>a] Value(4)
[INFO] [stdout] D:2 Child [b/1/<>b] Value(5)
[INFO] [stdout] D:2 Child [b/1/<>c] Value(6)
[INFO] [stdout] D:2 Child [b/2/<>a] Value(13)
[INFO] [stdout] D:2 Child [b/2/<>b] Value(14)
[INFO] [stdout] D:2 Child [b/2/<>c] Value(15)
[INFO] [stdout] D:1 Child [c/<>1/] Children([Node { key: "a", body: Value(7) }, Node { key: "b", body: Value(8) }, Node { key: "c", body: Value(9) }])
[INFO] [stdout] D:1 Child [c/<>2/] Children([Node { key: "a", body: Value(16) }, Node { key: "b", body: Value(17) }, Node { key: "c", body: Value(18) }])
[INFO] [stdout] D:2 Child [c/1/<>a] Value(7)
[INFO] [stdout] D:2 Child [c/1/<>b] Value(8)
[INFO] [stdout] D:2 Child [c/1/<>c] Value(9)
[INFO] [stdout] D:2 Child [c/2/<>a] Value(16)
[INFO] [stdout] D:2 Child [c/2/<>b] Value(17)
[INFO] [stdout] D:2 Child [c/2/<>c] Value(18)
[INFO] [stdout] Cursor { inner: [255, 223, 0, 4, 36, 0, 0, 0, 2, 97, 47, 0, 148, 0, 0, 0, 2, 98, 47, 0, 4, 1, 0, 0, 2, 99, 47, 0, 0, 0, 0, 0, 0, 0, 0, 0, 60, 0, 0, 0, 2, 49, 47, 0, 104, 0, 0, 0, 2, 50, 47, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 1, 0, 0, 0, 1, 97, 0, 0, 255, 255, 255, 255, 2, 0, 0, 0, 1, 98, 0, 0, 255, 255, 255, 255, 3, 0, 0, 0, 1, 99, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 10, 0, 0, 0, 1, 97, 0, 0, 255, 255, 255, 255, 11, 0, 0, 0, 1, 98, 0, 0, 255, 255, 255, 255, 12, 0, 0, 0, 1, 99, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 172, 0, 0, 0, 2, 49, 47, 0, 216, 0, 0, 0, 2, 50, 47, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 4, 0, 0, 0, 1, 97, 0, 0, 255, 255, 255, 255, 5, 0, 0, 0, 1, 98, 0, 0, 255, 255, 255, 255, 6, 0, 0, 0, 1, 99, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 13, 0, 0, 0, 1, 97, 0, 0, 255, 255, 255, 255, 14, 0, 0, 0, 1, 98, 0, 0, 255, 255, 255, 255, 15, 0, 0, 0, 1, 99, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 28, 1, 0, 0, 2, 49, 47, 0, 72, 1, 0, 0, 2, 50, 47, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 7, 0, 0, 0, 1, 97, 0, 0, 255, 255, 255, 255, 8, 0, 0, 0, 1, 98, 0, 0, 255, 255, 255, 255, 9, 0, 0, 0, 1, 99, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 16, 0, 0, 0, 1, 97, 0, 0, 255, 255, 255, 255, 17, 0, 0, 0, 1, 98, 0, 0, 255, 255, 255, 255, 18, 0, 0, 0, 1, 99, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], pos: 4 }
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::fst' (30) panicked at src/lib.rs:598:56:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56b1ff27b962 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56b1ff27b962 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56b1ff27b962 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56b1ff27b962 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56b1ff2902ca - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56b1ff2902ca - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x56b1ff280816 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56b1ff280816 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x56b1ff259cbf - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56b1ff259cbf - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56b1ff273979 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56b1ff20d5ee - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x56b1ff20d5ee - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x56b1ff273b32 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x56b1ff273b32 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56b1ff259d78 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x56b1ff24ef39 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56b1ff25abcd - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56b1ff2909cc - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56b1ff290742 - core[585f66e14d78f9ba]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x56b1ff1f5f50 - <core[585f66e14d78f9ba]::result::Result<(), std[3f03f8b59f91bef1]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x56b1ff1f5f50 - pathtrie[ffc3c7185fcd34e5]::tests::fst
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:598:56
[INFO] [stdout]   22:     0x56b1ff1f3217 - pathtrie[ffc3c7185fcd34e5]::tests::fst::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:569:13
[INFO] [stdout]   23:     0x56b1ff1e73e6 - <pathtrie[ffc3c7185fcd34e5]::tests::fst::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56b1ff20199b - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56b1ff20199b - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x56b1ff20e1fa - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x56b1ff20e1fa - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x56b1ff20e1fa - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x56b1ff20e1fa - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x56b1ff20e1fa - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x56b1ff20e1fa - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x56b1ff20e1fa - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x56b1ff2086c4 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x56b1ff2086c4 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x56b1ff210cf2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x56b1ff210cf2 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x56b1ff210cf2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x56b1ff210cf2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x56b1ff210cf2 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x56b1ff210cf2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x56b1ff210cf2 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x56b1ff27b03f - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x56b1ff27b03f - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   44:     0x75ecaf54daa4 - <unknown>
[INFO] [stdout]   45:     0x75ecaf5daa64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::set_and_get stdout ----
[INFO] [stdout] "" => [
[INFO] [stdout]   "a" => [
[INFO] [stdout]     "nvil/camel" => 11,
[INFO] [stdout]     "pple/" => [
[INFO] [stdout]       "appl" => [
[INFO] [stdout]         "f/banana" => 14,
[INFO] [stdout]         "e/" => [
[INFO] [stdout]           "banana" => 13,
[INFO] [stdout]           "apple" => 12,
[INFO] [stdout]         ],
[INFO] [stdout]       ],
[INFO] [stdout]       "b" => [
[INFO] [stdout]         "eans/carrot" => 3,
[INFO] [stdout]         "anana/c" => [
[INFO] [stdout]           "oconut" => 2,
[INFO] [stdout]           "arrot" => 1,
[INFO] [stdout]         ],
[INFO] [stdout]       ],
[INFO] [stdout]     ],
[INFO] [stdout]   ],
[INFO] [stdout]   "b" => [
[INFO] [stdout]     "reak-everything/haha" => 10,
[INFO] [stdout]     "acon/" => [
[INFO] [stdout]       "baguette/croissant" => 7,
[INFO] [stdout]       "sandwich/ham" => [
[INFO] [stdout]         "-replacement" => 6,
[INFO] [stdout]         "burger" => 4,
[INFO] [stdout]         "" => 5,
[INFO] [stdout]       ],
[INFO] [stdout]       "jam" => 8,
[INFO] [stdout]       "wat" => 9,
[INFO] [stdout]     ],
[INFO] [stdout]   ],
[INFO] [stdout] ],
[INFO] [stdout] Cursor { inner: [255, 223, 0, 4, 28, 0, 0, 0, 1, 97, 0, 0, 4, 1, 0, 0, 1, 98, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 11, 0, 0, 0, 10, 110, 118, 105, 108, 47, 99, 97, 109, 101, 108, 0, 68, 0, 0, 0, 5, 112, 112, 108, 101, 47, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 96, 0, 0, 0, 4, 97, 112, 112, 108, 0, 0, 0, 172, 0, 0, 0, 1, 98, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 14, 0, 0, 0, 8, 102, 47, 98, 97, 110, 97, 110, 97, 0, 0, 0, 132, 0, 0, 0, 2, 101, 47, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 13, 0, 0, 0, 6, 98, 97, 110, 97, 110, 97, 0, 255, 255, 255, 255, 12, 0, 0, 0, 5, 97, 112, 112, 108, 101, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 3, 0, 0, 0, 11, 101, 97, 110, 115, 47, 99, 97, 114, 114, 111, 116, 0, 0, 0, 0, 220, 0, 0, 0, 7, 97, 110, 97, 110, 97, 47, 99, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 2, 0, 0, 0, 6, 111, 99, 111, 110, 117, 116, 0, 255, 255, 255, 255, 1, 0, 0, 0, 5, 97, 114, 114, 111, 116, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 10, 0, 0, 0, 20, 114, 101, 97, 107, 45, 101, 118, 101, 114, 121, 116, 104, 105, 110, 103, 47, 104, 97, 104, 97, 0, 0, 0, 56, 1, 0, 0, 5, 97, 99, 111, 110, 47, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 7, 0, 0, 0, 18, 98, 97, 103, 117, 101, 116, 116, 101, 47, 99, 114, 111, 105, 115, 115, 97, 110, 116, 0, 144, 1, 0, 0, 12, 115, 97, 110, 100, 119, 105, 99, 104, 47, 104, 97, 109, 0, 0, 0, 255, 255, 255, 255, 8, 0, 0, 0, 3, 106, 97, 109, 0, 0, 0, 0, 255, 255, 255, 255, 9, 0, 0, 0, 3, 119, 97, 116, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 6, 0, 0, 0, 12, 45, 114, 101, 112, 108, 97, 99, 101, 109, 101, 110, 116, 0, 0, 0, 255, 255, 255, 255, 4, 0, 0, 0, 6, 98, 117, 114, 103, 101, 114, 0, 255, 255, 255, 255, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], pos: 4 }
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::set_and_get' (34) panicked at src/lib.rs:648:57:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56b1ff27b962 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56b1ff27b962 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56b1ff27b962 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56b1ff27b962 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56b1ff2902ca - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56b1ff2902ca - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x56b1ff280816 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56b1ff280816 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x56b1ff259cbf - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56b1ff259cbf - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56b1ff273979 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56b1ff20d5ee - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x56b1ff20d5ee - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x56b1ff273b32 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x56b1ff273b32 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56b1ff259d78 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x56b1ff24ef39 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56b1ff25abcd - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56b1ff2909cc - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56b1ff290742 - core[585f66e14d78f9ba]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x56b1ff1f44dd - <core[585f66e14d78f9ba]::result::Result<(), std[3f03f8b59f91bef1]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x56b1ff1f44dd - pathtrie[ffc3c7185fcd34e5]::tests::set_and_get
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:648:57
[INFO] [stdout]   22:     0x56b1ff1f3157 - pathtrie[ffc3c7185fcd34e5]::tests::set_and_get::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:610:21
[INFO] [stdout]   23:     0x56b1ff1e72e6 - <pathtrie[ffc3c7185fcd34e5]::tests::set_and_get::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56b1ff20199b - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56b1ff20199b - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x56b1ff20e1fa - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x56b1ff20e1fa - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x56b1ff20e1fa - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x56b1ff20e1fa - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x56b1ff20e1fa - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x56b1ff20e1fa - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x56b1ff20e1fa - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x56b1ff2086c4 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x56b1ff2086c4 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x56b1ff210cf2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x56b1ff210cf2 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x56b1ff210cf2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x56b1ff210cf2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x56b1ff210cf2 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x56b1ff210cf2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x56b1ff210cf2 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x56b1ff27b03f - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x56b1ff27b03f - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   44:     0x75ecaf54daa4 - <unknown>
[INFO] [stdout]   45:     0x75ecaf5daa64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::empty_fst
[INFO] [stdout]     tests::fst
[INFO] [stdout]     tests::set_and_get
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f5141eefacbff01adcd7932d45c3a2225d7edfc1657658924f91ff541783a829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5141eefacbff01adcd7932d45c3a2225d7edfc1657658924f91ff541783a829", kill_on_drop: false }`
[INFO] [stdout] f5141eefacbff01adcd7932d45c3a2225d7edfc1657658924f91ff541783a829
