[INFO] cloning repository https://github.com/software-is-art/palindrome
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/software-is-art/palindrome" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftware-is-art%2Fpalindrome", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftware-is-art%2Fpalindrome'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35b62781fc70e0f435b9c1aa8ac535e89bc37bc5
[INFO] testing software-is-art/palindrome against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftware-is-art%2Fpalindrome" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/software-is-art/palindrome
[INFO] finished tweaking git repo https://github.com/software-is-art/palindrome
[INFO] tweaked toml for git repo https://github.com/software-is-art/palindrome written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/software-is-art/palindrome on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/software-is-art/palindrome 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memmap2 v0.9.7
[INFO] [stderr]   Downloaded clap v4.5.43
[INFO] [stderr]   Downloaded clap_builder v4.5.43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e400e3d7b0f384dc824b73e17f7f423c3048a91b984de023b1c36f805611e03
[INFO] running `Command { std: "docker" "start" "-a" "4e400e3d7b0f384dc824b73e17f7f423c3048a91b984de023b1c36f805611e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e400e3d7b0f384dc824b73e17f7f423c3048a91b984de023b1c36f805611e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e400e3d7b0f384dc824b73e17f7f423c3048a91b984de023b1c36f805611e03", kill_on_drop: false }`
[INFO] [stdout] 4e400e3d7b0f384dc824b73e17f7f423c3048a91b984de023b1c36f805611e03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abeea1bbe412f305b6b755b6b1b60741e1aec9c3301631076f595a52c336c0ed
[INFO] running `Command { std: "docker" "start" "-a" "abeea1bbe412f305b6b755b6b1b60741e1aec9c3301631076f595a52c336c0ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling memmap2 v0.9.7
[INFO] [stderr]    Compiling cc v1.2.32
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling zstd v0.13.3
[INFO] [stderr]    Compiling palindrome-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `SegmentExt` is never used
[INFO] [stdout]   --> src/tape/segment.rs:70:11
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub trait SegmentExt {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SegmentTrailOp` is never used
[INFO] [stdout]    --> src/tape/segment.rs:249:10
[INFO] [stdout]     |
[INFO] [stdout] 249 | pub enum SegmentTrailOp {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `policy` is never read
[INFO] [stdout]   --> src/tape/sdm/mod.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct SdmTape {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     policy: Arc<MemoryPolicy>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bucket` and `prefix` are never read
[INFO] [stdout]    --> src/tape/sdm/backends.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub struct S3Backend {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 103 |     // TODO: Implement S3 storage
[INFO] [stdout] 104 |     bucket: String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 105 |     prefix: String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.42s
[INFO] running `Command { std: "docker" "inspect" "abeea1bbe412f305b6b755b6b1b60741e1aec9c3301631076f595a52c336c0ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abeea1bbe412f305b6b755b6b1b60741e1aec9c3301631076f595a52c336c0ed", kill_on_drop: false }`
[INFO] [stdout] abeea1bbe412f305b6b755b6b1b60741e1aec9c3301631076f595a52c336c0ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cedb95da604eb4872e11a822d6f5c7df5f123c7d26fdc2823bb469828bc65bf
[INFO] running `Command { std: "docker" "start" "-a" "3cedb95da604eb4872e11a822d6f5c7df5f123c7d26fdc2823bb469828bc65bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling clap_builder v4.5.43
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stdout] warning: trait `SegmentExt` is never used
[INFO] [stdout]   --> src/tape/segment.rs:70:11
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub trait SegmentExt {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SegmentTrailOp` is never used
[INFO] [stdout]    --> src/tape/segment.rs:249:10
[INFO] [stdout]     |
[INFO] [stdout] 249 | pub enum SegmentTrailOp {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `policy` is never read
[INFO] [stdout]   --> src/tape/sdm/mod.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct SdmTape {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     policy: Arc<MemoryPolicy>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bucket` and `prefix` are never read
[INFO] [stdout]    --> src/tape/sdm/backends.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub struct S3Backend {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 103 |     // TODO: Implement S3 storage
[INFO] [stdout] 104 |     bucket: String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 105 |     prefix: String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling clap v4.5.43
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling proptest v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling palindrome-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `SegmentExt` is never used
[INFO] [stdout]   --> src/tape/segment.rs:70:11
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub trait SegmentExt {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SegmentTrailOp` is never used
[INFO] [stdout]    --> src/tape/segment.rs:249:10
[INFO] [stdout]     |
[INFO] [stdout] 249 | pub enum SegmentTrailOp {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `policy` is never read
[INFO] [stdout]   --> src/tape/sdm/mod.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct SdmTape {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     policy: Arc<MemoryPolicy>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bucket` and `prefix` are never read
[INFO] [stdout]    --> src/tape/sdm/backends.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub struct S3Backend {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 103 |     // TODO: Implement S3 storage
[INFO] [stdout] 104 |     bucket: String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 105 |     prefix: String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2m 42s
[INFO] running `Command { std: "docker" "inspect" "3cedb95da604eb4872e11a822d6f5c7df5f123c7d26fdc2823bb469828bc65bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cedb95da604eb4872e11a822d6f5c7df5f123c7d26fdc2823bb469828bc65bf", kill_on_drop: false }`
[INFO] [stdout] 3cedb95da604eb4872e11a822d6f5c7df5f123c7d26fdc2823bb469828bc65bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a690441f6f6296c4c58e69a655711d14cb496fc25b112771849e55baa53f5d7b
[INFO] running `Command { std: "docker" "start" "-a" "a690441f6f6296c4c58e69a655711d14cb496fc25b112771849e55baa53f5d7b", kill_on_drop: false }`
[INFO] [stderr] warning: trait `SegmentExt` is never used
[INFO] [stderr]   --> src/tape/segment.rs:70:11
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub trait SegmentExt {
[INFO] [stderr]    |           ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `SegmentTrailOp` is never used
[INFO] [stderr]    --> src/tape/segment.rs:249:10
[INFO] [stderr]     |
[INFO] [stderr] 249 | pub enum SegmentTrailOp {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `policy` is never read
[INFO] [stderr]   --> src/tape/sdm/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub struct SdmTape {
[INFO] [stderr]    |            ------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 27 |     policy: Arc<MemoryPolicy>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `bucket` and `prefix` are never read
[INFO] [stderr]    --> src/tape/sdm/backends.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub struct S3Backend {
[INFO] [stderr]     |            --------- fields in this struct
[INFO] [stderr] 103 |     // TODO: Implement S3 storage
[INFO] [stderr] 104 |     bucket: String,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 105 |     prefix: String,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `palindrome-vm` (lib) generated 4 warnings
[INFO] [stderr] warning: `palindrome-vm` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/palindrome_vm-a4dcb1d0eaea0a60)
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test instruction::tests::test_branch_check ... ok
[INFO] [stdout] test compiler::parser::tests::test_parse_simple_program ... ok
[INFO] [stdout] test compiler::parser::tests::test_parse_with_labels ... ok
[INFO] [stdout] test instruction::tests::test_stateful_check ... ok
[INFO] [stdout] test tape::core::tests::test_advance_and_write ... ok
[INFO] [stdout] test tape::core::tests::test_basic_read_write ... ok
[INFO] [stdout] test tape::core::tests::test_checkpoint_rewind ... ok
[INFO] [stdout] test tape::core::tests::test_large_write_spanning_pages ... ok
[INFO] [stdout] test tape::core::tests::test_marks ... ok
[INFO] [stdout] test compiler::parser::tests::test_parse_hex_immediates ... ok
[INFO] [stdout] test tape::core::tests::test_rewind ... ok
[INFO] [stdout] test tape::sdm::address_space::tests::test_hint_lookup ... ok
[INFO] [stdout] test tape::sdm::address_space::tests::test_overlap_detection ... ok
[INFO] [stdout] test tape::sdm::address_space::tests::test_region_definition ... ok
[INFO] [stdout] test tape::sdm::backends::tests::test_memory_backend ... ok
[INFO] [stdout] test tape::sdm::address_space::tests::test_page_alignment ... ok
[INFO] [stdout] test instruction::tests::test_inverse_operations ... ok
[INFO] [stdout] test instruction::tests::test_self_inverse ... ok
[INFO] [stdout] test tape::sdm::page_table::tests::test_access_tracking ... ok
[INFO] [stdout] test tape::sdm::page_table::tests::test_page_creation ... ok
[INFO] [stdout] test tape::sdm::policy::tests::test_policy_profiles ... ok
[INFO] [stdout] test tape::sdm::page_table::tests::test_checkpoint ... ok
[INFO] [stdout] test tape::sdm::predictor::tests::test_markov_prediction ... ok
[INFO] [stdout] test tape::sdm::predictor::tests::test_sequential_detection ... ok
[INFO] [stdout] test tape::sdm::policy::tests::test_condition_evaluation ... ok
[INFO] [stdout] test tape::segment::tests::test_segment_bounds_checking ... ok
[INFO] [stdout] test tape::segment::tests::test_segment_creation ... ok
[INFO] [stdout] test tape::segment::tests::test_multiple_segments ... ok
[INFO] [stdout] test tape::segment::tests::test_segment_read_write ... ok
[INFO] [stdout] test vm::executor::tests::test_arithmetic_operations ... ok
[INFO] [stdout] test vm::executor::tests::test_reversibility ... ok
[INFO] [stdout] test tape::segment::tests::test_segment_with_schema ... ok
[INFO] [stdout] test vm::executor::tests::test_stack_operations ... ok
[INFO] [stdout] test vm::registers::tests::test_invalid_register ... ok
[INFO] [stdout] test vm::registers::tests::test_register_read_write ... ok
[INFO] [stdout] test vm::executor::tests::test_vm_creation ... ok
[INFO] [stdout] test vm::registers::tests::test_flags ... ok
[INFO] [stdout] test tape::sdm::tests::test_sdm_basic_read_write ... ok
[INFO] [stdout] test tests::test_vm_creation ... ok
[INFO] [stdout] test tape::sdm::tests::test_sdm_cross_page_access ... ok
[INFO] [stdout] test tape::sdm::backends::tests::test_file_backend ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tape::sdm::backends::tests::test_file_backend stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tape::sdm::backends::tests::test_file_backend' panicked at src/tape/sdm/backends.rs:401:51:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: "Failed to open file: No such file or directory (os error 2)"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x60030d282872 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x60030d282872 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x60030d282872 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x60030d282872 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x60030d2a8993 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x60030d2a8993 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x60030d27f813 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x60030d27f813 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x60030d2826c2 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x60030d283e7c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x60030d283cd2 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x60030d24b1f4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x60030d24b1f4 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x60030d28485b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x60030d28485b - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x60030d28462a - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x60030d282d69 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x60030d2842bd - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x60030d2a74e0 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x60030d2a7886 - core::result::unwrap_failed::h31c9775ec1a50121
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x60030d1efd3f - core::result::Result<T,E>::unwrap::h88f714f304a681c2
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x60030d1efd3f - palindrome_vm::tape::sdm::backends::tests::test_file_backend::h47ec303a7a35d781
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tape/sdm/backends.rs:401:51
[INFO] [stdout]   22:     0x60030d20b7f9 - palindrome_vm::tape::sdm::backends::tests::test_file_backend::{{closure}}::ha9991ded0772012d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tape/sdm/backends.rs:397:27
[INFO] [stdout]   23:     0x60030d20b7f9 - core::ops::function::FnOnce::call_once::hba1c981d2f832957
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x60030d25097b - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x60030d25097b - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x60030d24fb6e - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x60030d24fb6e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x60030d24fb6e - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x60030d24fb6e - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x60030d24fb6e - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x60030d24fb6e - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x60030d24fb6e - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x60030d2136e4 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x60030d2136e4 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x60030d2170ba - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x60030d2170ba - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x60030d2170ba - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x60030d2170ba - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x60030d2170ba - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x60030d2170ba - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x60030d2170ba - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x60030d287847 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x60030d287847 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x60030d287847 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x7e8c0aa13aa4 - <unknown>
[INFO] [stdout]   46:     0x7e8c0aaa0a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tape::sdm::backends::tests::test_file_backend
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 40 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "a690441f6f6296c4c58e69a655711d14cb496fc25b112771849e55baa53f5d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a690441f6f6296c4c58e69a655711d14cb496fc25b112771849e55baa53f5d7b", kill_on_drop: false }`
[INFO] [stdout] a690441f6f6296c4c58e69a655711d14cb496fc25b112771849e55baa53f5d7b
