[INFO] fetching crate constriction 0.3.2...
[INFO] testing constriction-0.3.2 against 1.75.0 for beta-1.76-1
[INFO] extracting crate constriction 0.3.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate constriction 0.3.2 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate constriction 0.3.2
[INFO] finished tweaking crates.io crate constriction 0.3.2
[INFO] tweaked toml for crates.io crate constriction 0.3.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros v0.19.2
[INFO] [stderr]   Downloaded pyo3-ffi v0.19.2
[INFO] [stderr]   Downloaded random v0.13.2
[INFO] [stderr]   Downloaded rand_pcg v0.3.1
[INFO] [stderr]   Downloaded special v0.10.3
[INFO] [stderr]   Downloaded pyo3-build-config v0.19.2
[INFO] [stderr]   Downloaded probability v0.20.3
[INFO] [stderr]   Downloaded numpy v0.19.0
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.19.2
[INFO] [stderr]   Downloaded pyo3 v0.19.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4aa71dd19b12abf418dc400d4f222007afe1c32611975f464908b39b9ab0bfdd
[INFO] running `Command { std: "docker" "start" "-a" "4aa71dd19b12abf418dc400d4f222007afe1c32611975f464908b39b9ab0bfdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4aa71dd19b12abf418dc400d4f222007afe1c32611975f464908b39b9ab0bfdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aa71dd19b12abf418dc400d4f222007afe1c32611975f464908b39b9ab0bfdd", kill_on_drop: false }`
[INFO] [stdout] 4aa71dd19b12abf418dc400d4f222007afe1c32611975f464908b39b9ab0bfdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f7404bf873576e9b8bb8a6c3df2713ae49e2ed520a60fe94514f0fc208c5e03
[INFO] running `Command { std: "docker" "start" "-a" "1f7404bf873576e9b8bb8a6c3df2713ae49e2ed520a60fe94514f0fc208c5e03", kill_on_drop: false }`
[INFO] [stderr]    Compiling random v0.13.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling special v0.10.3
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling probability v0.20.3
[INFO] [stderr]    Compiling constriction v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "1f7404bf873576e9b8bb8a6c3df2713ae49e2ed520a60fe94514f0fc208c5e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f7404bf873576e9b8bb8a6c3df2713ae49e2ed520a60fe94514f0fc208c5e03", kill_on_drop: false }`
[INFO] [stdout] 1f7404bf873576e9b8bb8a6c3df2713ae49e2ed520a60fe94514f0fc208c5e03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9412361f200baab3cb4fd8fda03934931615b395d8c07dfee0fcaea879ac66e
[INFO] running `Command { std: "docker" "start" "-a" "c9412361f200baab3cb4fd8fda03934931615b395d8c07dfee0fcaea879ac66e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling clap_builder v4.4.12
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling is-terminal v0.4.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling clap v4.4.13
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.3.1
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling ciborium v0.2.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling constriction v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.02s
[INFO] running `Command { std: "docker" "inspect" "c9412361f200baab3cb4fd8fda03934931615b395d8c07dfee0fcaea879ac66e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9412361f200baab3cb4fd8fda03934931615b395d8c07dfee0fcaea879ac66e", kill_on_drop: false }`
[INFO] [stdout] c9412361f200baab3cb4fd8fda03934931615b395d8c07dfee0fcaea879ac66e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] da7de19462932713b0e1a6489ce3e7cf43857d02b4c0a59a1c1a4e33dec496e3
[INFO] running `Command { std: "docker" "start" "-a" "da7de19462932713b0e1a6489ce3e7cf43857d02b4c0a59a1c1a4e33dec496e3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/constriction-c82b8795161aa32b)
[INFO] [stdout] 
[INFO] [stdout] running 76 tests
[INFO] [stdout] test stream::chain::tests::restore_many_u32_u64_24 ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u16_u64_8 ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u16_u32_8 ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u16_u64_16 ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u16_u32_16 ... ok
[INFO] [stdout] test stream::chain::tests::restore_none ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u32_u64_16 ... ok
[INFO] [stdout] test stream::chain::tests::restore_one ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u32_u64_32 ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u8_u64_8 ... ok
[INFO] [stdout] test stream::chain::tests::restore_ten ... ok
[INFO] [stdout] test stream::chain::tests::restore_twenty ... ok
[INFO] [stdout] test stream::model::tests::contiguous_categorical ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u32_u64_8 ... ok
[INFO] [stdout] test stream::model::tests::categorical_converges ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u8_u32_8 ... ok
[INFO] [stdout] test stream::chain::tests::restore_two ... ok
[INFO] [stdout] test stream::model::tests::lookup_noncontiguous ... ok
[INFO] [stdout] test stream::model::tests::lookup_contiguous ... ok
[INFO] [stdout] test stream::model::tests::trivial_optimal_weights ... ok
[INFO] [stdout] test stream::model::tests::uniform ... ok
[INFO] [stdout] test stream::model::tests::non_contiguous_categorical ... ok
[INFO] [stdout] test stream::model::tests::entropy ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u32_12 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u32_16 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u64_12 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u32_8 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u64_16 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u64_8 ... ok
[INFO] [stdout] test stream::model::tests::nontrivial_optimal_weights ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u32_u64_24 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u32_u64_32 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u32_u64_16 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u32_u64_8 ... ok
[INFO] [stdout] test stream::queue::tests::compress_none ... ok
[INFO] [stdout] test stream::queue::tests::compress_one ... ok
[INFO] [stdout] test stream::queue::tests::compress_ten ... ok
[INFO] [stdout] test stream::queue::tests::compress_twenty ... ok
[INFO] [stdout] test stream::queue::tests::compress_two ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u8_u32_8 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u8_u64_8 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u8_u16_8 ... ok
[INFO] [stdout] test backends::tests::decode_on_the_fly_stack ... FAILED
[INFO] [stdout] test stream::stack::tests::compress_many_u16_u32_12 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u16_u32_8 ... ok
[INFO] [stdout] test stream::model::tests::leakily_quantized_normal ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u16_u64_12 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u16_u64_16 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u32_u64_16 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u16_u64_8 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u32_u64_32 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u32_u64_24 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u8_u16_8 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u8_u32_8 ... ok
[INFO] [stdout] test stream::stack::tests::compress_one ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u8_u64_8 ... ok
[INFO] [stdout] test stream::stack::tests::compress_none ... ok
[INFO] [stdout] test stream::stack::tests::compress_twenty ... ok
[INFO] [stdout] test stream::stack::tests::compress_ten ... ok
[INFO] [stdout] test stream::stack::tests::compress_two ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u32_u64_8 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u16_u32_16 ... ok
[INFO] [stdout] test symbol::exp_golomb::tests::encode_decode_iid_queue ... ok
[INFO] [stdout] test symbol::exp_golomb::tests::encode_decode_iid_stack ... ok
[INFO] [stdout] test symbol::tests::bit_queue ... ok
[INFO] [stdout] test symbol::tests::bit_stack ... ok
[INFO] [stdout] test symbol::tests::encode_decode_iid_queue ... ok
[INFO] [stdout] test stream::model::tests::leakily_quantized_cauchy ... ok
[INFO] [stdout] test symbol::exp_golomb::tests::explicit_examples ... ok
[INFO] [stdout] test symbol::huffman::tests::decoder_huffman_tree ... ok
[INFO] [stdout] test symbol::huffman::tests::encoder_huffman_tree ... ok
[INFO] [stdout] test symbol::tests::encode_decode_iid_stack ... ok
[INFO] [stdout] test stream::queue::tests::seek ... ok
[INFO] [stdout] test symbol::tests::encode_decode_non_iid ... ok
[INFO] [stdout] test stream::stack::tests::seek ... ok
[INFO] [stdout] test stream::model::tests::leakily_quantized_binomial ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- backends::tests::decode_on_the_fly_stack stdout ----
[INFO] [stdout] thread 'backends::tests::decode_on_the_fly_stack' panicked at src/backends.rs:1848:85:
[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:     0x55852c20739c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55852c20739c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55852c20739c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55852c20739c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55852c231430 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55852c231430 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55852c204d4f - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x55852c207184 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55852c207184 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55852c208e47 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x55852c208b33 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55852c1c2fd7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x55852c1c2fd7 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55852c209458 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x55852c209458 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55852c2091ae - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55852c207866 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x55852c208f12 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55852bfbdd95 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55852bfbe323 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stdout]   20:     0x55852c0b9e1b - core::result::Result<T,E>::unwrap::h31780294b86db561
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55852c0ad659 - constriction::backends::tests::decode_on_the_fly_stack::encode_to_file::h8581ec266d6b8610
[INFO] [stdout]                                at /opt/rustwide/workdir/src/backends.rs:1848:43
[INFO] [stdout]   22:     0x55852c0ad40b - constriction::backends::tests::decode_on_the_fly_stack::h87aba86281881282
[INFO] [stdout]                                at /opt/rustwide/workdir/src/backends.rs:1889:9
[INFO] [stdout]   23:     0x55852c0ad3e7 - constriction::backends::tests::decode_on_the_fly_stack::{{closure}}::he25a360dec4a1958
[INFO] [stdout]                                at /opt/rustwide/workdir/src/backends.rs:1834:33
[INFO] [stdout]   24:     0x55852c16e146 - core::ops::function::FnOnce::call_once::hd43a4557fd0ff95d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55852c1c862f - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x55852c1c862f - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   27:     0x55852c1c7645 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   28:     0x55852c1c7645 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x55852c1c7645 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   30:     0x55852c1c7645 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   31:     0x55852c1c7645 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   32:     0x55852c1c7645 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   33:     0x55852c1c7645 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   34:     0x55852c18f906 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   35:     0x55852c18f906 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   36:     0x55852c1949b7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   37:     0x55852c1949b7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x55852c1949b7 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   39:     0x55852c1949b7 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   40:     0x55852c1949b7 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   41:     0x55852c1949b7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   42:     0x55852c1949b7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x55852c20df95 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x55852c20df95 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   45:     0x55852c20df95 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7f5a2a8daac3 - <unknown>
[INFO] [stdout]   47:     0x7f5a2a96bbf4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     backends::tests::decode_on_the_fly_stack
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 75 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.35s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "da7de19462932713b0e1a6489ce3e7cf43857d02b4c0a59a1c1a4e33dec496e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da7de19462932713b0e1a6489ce3e7cf43857d02b4c0a59a1c1a4e33dec496e3", kill_on_drop: false }`
[INFO] [stdout] da7de19462932713b0e1a6489ce3e7cf43857d02b4c0a59a1c1a4e33dec496e3
[INFO] testing constriction-0.3.2 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate constriction 0.3.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate constriction 0.3.2 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate constriction 0.3.2
[INFO] finished tweaking crates.io crate constriction 0.3.2
[INFO] tweaked toml for crates.io crate constriction 0.3.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 191c5963dacc4030d865e62a1b7e23b0ed59a68cdd841da7d7b3f47a93265dcd
[INFO] running `Command { std: "docker" "start" "-a" "191c5963dacc4030d865e62a1b7e23b0ed59a68cdd841da7d7b3f47a93265dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "191c5963dacc4030d865e62a1b7e23b0ed59a68cdd841da7d7b3f47a93265dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "191c5963dacc4030d865e62a1b7e23b0ed59a68cdd841da7d7b3f47a93265dcd", kill_on_drop: false }`
[INFO] [stdout] 191c5963dacc4030d865e62a1b7e23b0ed59a68cdd841da7d7b3f47a93265dcd
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af0828c71cf2b10d5b010074ce3a7f2c249181aaa2ade5c8bddd4528be5bc18e
[INFO] running `Command { std: "docker" "start" "-a" "af0828c71cf2b10d5b010074ce3a7f2c249181aaa2ade5c8bddd4528be5bc18e", kill_on_drop: false }`
[INFO] [stderr]    Compiling random v0.13.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling special v0.10.3
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling probability v0.20.3
[INFO] [stderr]    Compiling constriction v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "af0828c71cf2b10d5b010074ce3a7f2c249181aaa2ade5c8bddd4528be5bc18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0828c71cf2b10d5b010074ce3a7f2c249181aaa2ade5c8bddd4528be5bc18e", kill_on_drop: false }`
[INFO] [stdout] af0828c71cf2b10d5b010074ce3a7f2c249181aaa2ade5c8bddd4528be5bc18e
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdad3ae60a63c00ba6f02d776e66066cebb9c6863bbc0857b639893716d35b27
[INFO] running `Command { std: "docker" "start" "-a" "fdad3ae60a63c00ba6f02d776e66066cebb9c6863bbc0857b639893716d35b27", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling clap_builder v4.4.12
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling clap v4.4.13
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling is-terminal v0.4.10
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_pcg v0.3.1
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling ciborium v0.2.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling constriction v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.26s
[INFO] running `Command { std: "docker" "inspect" "fdad3ae60a63c00ba6f02d776e66066cebb9c6863bbc0857b639893716d35b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdad3ae60a63c00ba6f02d776e66066cebb9c6863bbc0857b639893716d35b27", kill_on_drop: false }`
[INFO] [stdout] fdad3ae60a63c00ba6f02d776e66066cebb9c6863bbc0857b639893716d35b27
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ef925540765f4ccbd37d97f1c6606ee8c253d7155a7014006cd2f4b2281bd79a
[INFO] running `Command { std: "docker" "start" "-a" "ef925540765f4ccbd37d97f1c6606ee8c253d7155a7014006cd2f4b2281bd79a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/constriction-75b97595027b2234)
[INFO] [stdout] 
[INFO] [stdout] running 76 tests
[INFO] [stdout] test stream::chain::tests::restore_many_u16_u32_16 ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u32_u64_16 ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u16_u64_8 ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u16_u32_8 ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u8_u32_8 ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u32_u64_32 ... ok
[INFO] [stdout] test stream::chain::tests::restore_ten ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u32_u64_8 ... ok
[INFO] [stdout] test stream::chain::tests::restore_none ... ok
[INFO] [stdout] test stream::chain::tests::restore_one ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u8_u64_8 ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u32_u64_24 ... ok
[INFO] [stdout] test stream::chain::tests::restore_two ... ok
[INFO] [stdout] test stream::model::tests::categorical_converges ... ok
[INFO] [stdout] test stream::chain::tests::restore_twenty ... ok
[INFO] [stdout] test stream::model::tests::contiguous_categorical ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u16_u64_16 ... ok
[INFO] [stdout] test stream::model::tests::entropy ... ok
[INFO] [stdout] test stream::model::tests::non_contiguous_categorical ... ok
[INFO] [stdout] test stream::model::tests::lookup_noncontiguous ... ok
[INFO] [stdout] test stream::model::tests::lookup_contiguous ... ok
[INFO] [stdout] test stream::model::tests::nontrivial_optimal_weights ... ok
[INFO] [stdout] test stream::model::tests::uniform ... ok
[INFO] [stdout] test backends::tests::decode_on_the_fly_stack ... FAILED
[INFO] [stdout] test stream::model::tests::trivial_optimal_weights ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u32_12 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u32_16 ... ok
[INFO] [stdout] test stream::model::tests::leakily_quantized_cauchy ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u32_8 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u32_u64_16 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u64_8 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u64_12 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u32_u64_32 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u8_u16_8 ... ok
[INFO] [stdout] test stream::model::tests::leakily_quantized_normal ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u8_u32_8 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u64_16 ... ok
[INFO] [stdout] test stream::queue::tests::compress_twenty ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u32_u64_24 ... ok
[INFO] [stdout] test stream::queue::tests::compress_two ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u32_u64_8 ... ok
[INFO] [stdout] test stream::queue::tests::compress_none ... ok
[INFO] [stdout] test stream::queue::tests::compress_ten ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u16_u32_8 ... ok
[INFO] [stdout] test stream::queue::tests::compress_one ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u16_u32_12 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u16_u32_16 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u16_u64_16 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u32_u64_24 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u16_u64_12 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u32_u64_16 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u8_u64_8 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u16_u64_8 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u32_u64_32 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u8_u16_8 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u8_u32_8 ... ok
[INFO] [stdout] test stream::stack::tests::compress_ten ... ok
[INFO] [stdout] test stream::stack::tests::compress_twenty ... ok
[INFO] [stdout] test stream::stack::tests::compress_two ... ok
[INFO] [stdout] test stream::queue::tests::seek ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u32_u64_8 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u8_u64_8 ... ok
[INFO] [stdout] test symbol::exp_golomb::tests::encode_decode_iid_queue ... ok
[INFO] [stdout] test symbol::exp_golomb::tests::encode_decode_iid_stack ... ok
[INFO] [stdout] test symbol::exp_golomb::tests::explicit_examples ... ok
[INFO] [stdout] test symbol::huffman::tests::encoder_huffman_tree ... ok
[INFO] [stdout] test symbol::tests::bit_queue ... ok
[INFO] [stdout] test symbol::tests::bit_stack ... ok
[INFO] [stdout] test stream::stack::tests::compress_one ... ok
[INFO] [stdout] test symbol::tests::encode_decode_iid_queue ... ok
[INFO] [stdout] test symbol::tests::encode_decode_iid_stack ... ok
[INFO] [stdout] test symbol::huffman::tests::decoder_huffman_tree ... ok
[INFO] [stdout] test stream::stack::tests::compress_none ... ok
[INFO] [stdout] test stream::stack::tests::seek ... ok
[INFO] [stdout] test symbol::tests::encode_decode_non_iid ... ok
[INFO] [stdout] test stream::model::tests::leakily_quantized_binomial ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- backends::tests::decode_on_the_fly_stack stdout ----
[INFO] [stdout] thread 'backends::tests::decode_on_the_fly_stack' panicked at src/backends.rs:1848:85:
[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:     0x5618bfcc82f6 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5618bfcc82f6 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5618bfcc82f6 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5618bfcc82f6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5618bfcf1690 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5618bfcf1690 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5618bfcc5d5f - std::io::Write::write_fmt::he04625a3a989fec3
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x5618bfcc80d4 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5618bfcc80d4 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5618bfcc9e47 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stdout]   10:     0x5618bfcc9b2d - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x5618bfc837a7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h616ac37fa3cd6c8f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x5618bfc837a7 - test::test_main::{{closure}}::h00d84697cefdcbb6
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x5618bfcca466 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcb3fe3b9bb537ba8
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x5618bfcca466 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x5618bfcca1b2 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x5618bfcc87f6 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5618bfcc9f10 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x5618bfa7cd75 - core::panicking::panic_fmt::hcc9f77c5c132af55
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5618bfa7d313 - core::result::unwrap_failed::hbe14f498be1452f9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x5618bfc20bcb - core::result::Result<T,E>::unwrap::hc826ef54500d8118
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1073:23
[INFO] [stdout]   21:     0x5618bfc4cab9 - constriction::backends::tests::decode_on_the_fly_stack::encode_to_file::h5f2b9e2e21180342
[INFO] [stdout]                                at /opt/rustwide/workdir/src/backends.rs:1848:43
[INFO] [stdout]   22:     0x5618bfc4c86b - constriction::backends::tests::decode_on_the_fly_stack::hf63661443ef6c811
[INFO] [stdout]                                at /opt/rustwide/workdir/src/backends.rs:1889:9
[INFO] [stdout]   23:     0x5618bfc4c847 - constriction::backends::tests::decode_on_the_fly_stack::{{closure}}::h7582ebb7cd7ffe41
[INFO] [stdout]                                at /opt/rustwide/workdir/src/backends.rs:1834:33
[INFO] [stdout]   24:     0x5618bfb898e6 - core::ops::function::FnOnce::call_once::h951843ed65389dc2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5618bfc8907f - core::ops::function::FnOnce::call_once::hd64d26f405258157
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5618bfc8907f - test::__rust_begin_short_backtrace::he21b0b7a6d731bf9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:627:18
[INFO] [stdout]   27:     0x5618bfc87e01 - test::run_test_in_process::{{closure}}::hf5c73986d7bdfde2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:60
[INFO] [stdout]   28:     0x5618bfc87e01 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330011ad032aadc0
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x5618bfc87e01 - std::panicking::try::do_call::he61b0a958b795a41
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   30:     0x5618bfc87e01 - std::panicking::try::h7309da130f906eb7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   31:     0x5618bfc87e01 - std::panic::catch_unwind::hc5c3a06fdaf0a92a
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   32:     0x5618bfc87e01 - test::run_test_in_process::h7e7b7c71c3324e0f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:27
[INFO] [stdout]   33:     0x5618bfc87e01 - test::run_test::{{closure}}::h1f509f28f5cf20b1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:573:43
[INFO] [stdout]   34:     0x5618bfc4f136 - test::run_test::{{closure}}::h1754218abf443f6d
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:601:41
[INFO] [stdout]   35:     0x5618bfc4f136 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2ee174b9d5954948
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   36:     0x5618bfc54197 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf60bee9c1a17ef09
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   37:     0x5618bfc54197 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h33d0dddec5216160
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x5618bfc54197 - std::panicking::try::do_call::h144b3048b546f835
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   39:     0x5618bfc54197 - std::panicking::try::h978244d04646189f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   40:     0x5618bfc54197 - std::panic::catch_unwind::hdf436369d188fe86
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   41:     0x5618bfc54197 - std::thread::Builder::spawn_unchecked_::{{closure}}::h87329cbdd33c79ec
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   42:     0x5618bfc54197 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h401abbe67897d450
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5618bfccefc5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5d7c8f150ab9c84c
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x5618bfccefc5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h570d5b005c242c15
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   45:     0x5618bfccefc5 - std::sys::unix::thread::Thread::new::thread_start::h36b0a20c0b2361ad
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7f6fac57bac3 - <unknown>
[INFO] [stdout]   47:     0x7f6fac60cbf4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     backends::tests::decode_on_the_fly_stack
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 75 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.88s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "ef925540765f4ccbd37d97f1c6606ee8c253d7155a7014006cd2f4b2281bd79a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef925540765f4ccbd37d97f1c6606ee8c253d7155a7014006cd2f4b2281bd79a", kill_on_drop: false }`
[INFO] [stdout] ef925540765f4ccbd37d97f1c6606ee8c253d7155a7014006cd2f4b2281bd79a
