[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 beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftware-is-art%2Fpalindrome" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/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-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/software-is-art/palindrome on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75d59c98eab8adf5fc823cd9bf3ba60a3d38deed1168e0b88ba939754d858504
[INFO] running `Command { std: "docker" "start" "-a" "75d59c98eab8adf5fc823cd9bf3ba60a3d38deed1168e0b88ba939754d858504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75d59c98eab8adf5fc823cd9bf3ba60a3d38deed1168e0b88ba939754d858504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d59c98eab8adf5fc823cd9bf3ba60a3d38deed1168e0b88ba939754d858504", kill_on_drop: false }`
[INFO] [stdout] 75d59c98eab8adf5fc823cd9bf3ba60a3d38deed1168e0b88ba939754d858504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 139766f7a900245a1cd419a75e55000984b5ebdaefb87cc1988ba2d80c37e0f3
[INFO] running `Command { std: "docker" "start" "-a" "139766f7a900245a1cd419a75e55000984b5ebdaefb87cc1988ba2d80c37e0f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling memmap2 v0.9.7
[INFO] [stderr]    Compiling cc v1.2.32
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[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)]` (part of `#[warn(unused)]`) 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 14.62s
[INFO] running `Command { std: "docker" "inspect" "139766f7a900245a1cd419a75e55000984b5ebdaefb87cc1988ba2d80c37e0f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "139766f7a900245a1cd419a75e55000984b5ebdaefb87cc1988ba2d80c37e0f3", kill_on_drop: false }`
[INFO] [stdout] 139766f7a900245a1cd419a75e55000984b5ebdaefb87cc1988ba2d80c37e0f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f8ef58cf3716a892df576a334a4dee2d0db6da3ef65946cf17d4290b14e704c
[INFO] running `Command { std: "docker" "start" "-a" "3f8ef58cf3716a892df576a334a4dee2d0db6da3ef65946cf17d4290b14e704c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling clap_builder v4.5.43
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling oorandom v11.1.5
[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)]` (part of `#[warn(unused)]`) 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 plotters v0.3.7
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v1.7.0
[INFO] [stderr]    Compiling clap v4.5.43
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling regex v1.11.1
[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)]` (part of `#[warn(unused)]`) 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 24.76s
[INFO] running `Command { std: "docker" "inspect" "3f8ef58cf3716a892df576a334a4dee2d0db6da3ef65946cf17d4290b14e704c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f8ef58cf3716a892df576a334a4dee2d0db6da3ef65946cf17d4290b14e704c", kill_on_drop: false }`
[INFO] [stdout] 3f8ef58cf3716a892df576a334a4dee2d0db6da3ef65946cf17d4290b14e704c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 752dece692db8a78dbc770ae1bbde871b356cc2959ca63d930104e755c2288b9
[INFO] running `Command { std: "docker" "start" "-a" "752dece692db8a78dbc770ae1bbde871b356cc2959ca63d930104e755c2288b9", 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)]` (part of `#[warn(unused)]`) 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 0.27s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/palindrome_vm-7f35709d5a0b9c30)
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test compiler::parser::tests::test_parse_simple_program ... ok
[INFO] [stdout] test compiler::parser::tests::test_parse_hex_immediates ... ok
[INFO] [stdout] test instruction::tests::test_inverse_operations ... 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 instruction::tests::test_self_inverse ... 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_large_write_spanning_pages ... ok
[INFO] [stdout] test tape::core::tests::test_marks ... 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::page_table::tests::test_page_creation ... ok
[INFO] [stdout] test tape::sdm::policy::tests::test_policy_profiles ... 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::policy::tests::test_condition_evaluation ... 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::address_space::tests::test_overlap_detection ... ok
[INFO] [stdout] test tape::sdm::address_space::tests::test_page_alignment ... ok
[INFO] [stdout] test tape::sdm::page_table::tests::test_access_tracking ... ok
[INFO] [stdout] test compiler::parser::tests::test_parse_with_labels ... ok
[INFO] [stdout] test instruction::tests::test_branch_check ... ok
[INFO] [stdout] test tape::sdm::tests::test_sdm_cross_page_access ... ok
[INFO] [stdout] test tape::segment::tests::test_multiple_segments ... ok
[INFO] [stdout] test tape::segment::tests::test_segment_creation ... ok
[INFO] [stdout] test tape::segment::tests::test_segment_read_write ... ok
[INFO] [stdout] test tests::test_vm_creation ... ok
[INFO] [stdout] test vm::executor::tests::test_arithmetic_operations ... ok
[INFO] [stdout] test vm::registers::tests::test_register_read_write ... ok
[INFO] [stdout] test vm::registers::tests::test_flags ... ok
[INFO] [stdout] test vm::registers::tests::test_invalid_register ... ok
[INFO] [stdout] test tape::segment::tests::test_segment_bounds_checking ... 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::executor::tests::test_reversibility ... ok
[INFO] [stdout] test tape::sdm::tests::test_sdm_basic_read_write ... ok
[INFO] [stdout] test vm::executor::tests::test_vm_creation ... ok
[INFO] [stdout] test tape::sdm::page_table::tests::test_checkpoint ... 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' (41) 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:     0x60b9fd71f77a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x60b9fd71f77a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x60b9fd71f77a - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x60b9fd71f77a - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x60b9fd73402a - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x60b9fd73402a - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x60b9fd724102 - std[b80a194dd3c418bb]::io::default_write_fmt::<alloc[dd269455e567d8e9]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x60b9fd724102 - <alloc[dd269455e567d8e9]::vec::Vec<u8> as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x60b9fd6fd60f - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x60b9fd6fd60f - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x60b9fd7176f9 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x60b9fd6b230c - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x60b9fd6b230c - test[826cbc6ef54ab466]::test_main_with_exit_callback::<test[826cbc6ef54ab466]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x60b9fd7178b2 - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x60b9fd7178b2 - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x60b9fd6fd6c8 - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x60b9fd6f4f89 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x60b9fd6fe3dd - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x60b9fd7348dc - core[10b6fa85044e1869]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x60b9fd734652 - core[10b6fa85044e1869]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x60b9fd682814 - core::result::Result<T,E>::unwrap::h51241b6e668e2ae3
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x60b9fd682814 - palindrome_vm::tape::sdm::backends::tests::test_file_backend::hf323ff4a7dd9a764
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tape/sdm/backends.rs:401:51
[INFO] [stdout]   22:     0x60b9fd682a97 - palindrome_vm::tape::sdm::backends::tests::test_file_backend::{{closure}}::he97a1e1536443b9d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tape/sdm/backends.rs:397:27
[INFO] [stdout]   23:     0x60b9fd66d1c6 - core::ops::function::FnOnce::call_once::h16d5b7ddc6571f33
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x60b9fd6a63eb - <fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x60b9fd6a63eb - test[826cbc6ef54ab466]::__rust_begin_short_backtrace::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x60b9fd6b2ddb - test[826cbc6ef54ab466]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x60b9fd6b2ddb - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x60b9fd6b2ddb - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x60b9fd6b2ddb - std[b80a194dd3c418bb]::panicking::catch_unwind::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x60b9fd6b2ddb - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x60b9fd6b2ddb - test[826cbc6ef54ab466]::run_test_in_process
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x60b9fd6b2ddb - test[826cbc6ef54ab466]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x60b9fd6ae4f4 - test[826cbc6ef54ab466]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x60b9fd6ae4f4 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x60b9fd6b59e2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x60b9fd6b59e2 - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x60b9fd6b59e2 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x60b9fd6b59e2 - std[b80a194dd3c418bb]::panicking::catch_unwind::<(), core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x60b9fd6b59e2 - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x60b9fd6b59e2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x60b9fd6b59e2 - <std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x60b9fd71f08f - <alloc[dd269455e567d8e9]::boxed::Box<dyn core[10b6fa85044e1869]::ops::function::FnOnce<(), Output = ()> + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   43:     0x60b9fd71f08f - <std[b80a194dd3c418bb]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7696f1893aa4 - <unknown>
[INFO] [stdout]   45:     0x7696f1920a64 - clone
[INFO] [stdout]   46:                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 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "752dece692db8a78dbc770ae1bbde871b356cc2959ca63d930104e755c2288b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752dece692db8a78dbc770ae1bbde871b356cc2959ca63d930104e755c2288b9", kill_on_drop: false }`
[INFO] [stdout] 752dece692db8a78dbc770ae1bbde871b356cc2959ca63d930104e755c2288b9
