[INFO] fetching crate constriction 0.5.0...
[INFO] testing constriction-0.5.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate constriction 0.5.0 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate constriction 0.5.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate constriction 0.5.0
[INFO] tweaked toml for crates.io crate constriction 0.5.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate constriction 0.5.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate constriction 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros v0.29.0
[INFO] [stderr]   Downloaded special v0.10.3
[INFO] [stderr]   Downloaded random v0.13.2
[INFO] [stderr]   Downloaded rand_xoshiro v0.8.1
[INFO] [stderr]   Downloaded pyo3-ffi v0.29.0
[INFO] [stderr]   Downloaded pyo3-build-config v0.29.0
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.29.0
[INFO] [stderr]   Downloaded probability v0.20.3
[INFO] [stderr]   Downloaded numpy v0.29.0
[INFO] [stderr]   Downloaded pyo3 v0.29.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a195eba667e6cd521abf3842625bbd43e7d4134fce3301290914a70db44d40e9
[INFO] running `Command { std: "docker" "start" "a195eba667e6cd521abf3842625bbd43e7d4134fce3301290914a70db44d40e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a195eba667e6cd521abf3842625bbd43e7d4134fce3301290914a70db44d40e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a195eba667e6cd521abf3842625bbd43e7d4134fce3301290914a70db44d40e9" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a195eba667e6cd521abf3842625bbd43e7d4134fce3301290914a70db44d40e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a195eba667e6cd521abf3842625bbd43e7d4134fce3301290914a70db44d40e9" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling special v0.10.3
[INFO] [stderr]    Compiling random v0.13.2
[INFO] [stderr]    Compiling probability v0.20.3
[INFO] [stderr]    Compiling constriction v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "a195eba667e6cd521abf3842625bbd43e7d4134fce3301290914a70db44d40e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a195eba667e6cd521abf3842625bbd43e7d4134fce3301290914a70db44d40e9" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.54
[INFO] [stderr]    Compiling crossbeam-deque v0.8.7
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling cc v1.2.67
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.20
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling clap_builder v4.6.2
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling rand_xoshiro v0.8.1
[INFO] [stderr]    Compiling rand_pcg v0.10.2
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling regex-automata v0.4.16
[INFO] [stderr]    Compiling criterion-plot v0.8.2
[INFO] [stderr]    Compiling clap v4.6.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.54
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.8.2
[INFO] [stderr]    Compiling constriction v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 52.06s
[INFO] running `Command { std: "docker" "inspect" "a195eba667e6cd521abf3842625bbd43e7d4134fce3301290914a70db44d40e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a195eba667e6cd521abf3842625bbd43e7d4134fce3301290914a70db44d40e9" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/constriction-ea8767ffcb8a0781)
[INFO] [stdout] 
[INFO] [stdout] running 80 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_u64_16 ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u8_u32_8 ... ok
[INFO] [stdout] test stream::chain::tests::restore_one ... ok
[INFO] [stdout] test stream::chain::tests::restore_ten ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u32_u64_24 ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u8_u64_8 ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u16_u32_8 ... ok
[INFO] [stdout] test stream::chain::tests::restore_twenty ... ok
[INFO] [stdout] test stream::model::categorical::contiguous::tests::nontrivial_optimal_weights_f64 ... ok
[INFO] [stdout] test stream::model::categorical::contiguous::tests::perfect_converges ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u32_u64_32 ... ok
[INFO] [stdout] test stream::chain::tests::restore_two ... ok
[INFO] [stdout] test backends::tests::decode_on_the_fly_stack ... FAILED
[INFO] [stdout] test stream::model::categorical::contiguous::tests::contiguous_categorical ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u32_u64_8 ... ok
[INFO] [stdout] test stream::model::categorical::contiguous::tests::nontrivial_optimal_weights_f32 ... ok
[INFO] [stdout] test stream::chain::tests::restore_none ... ok
[INFO] [stdout] test stream::model::categorical::lazy_contiguous::tests::lazy_contiguous_categorical ... ok
[INFO] [stdout] test stream::model::quantize::tests::split_almost_delta_distribution ... ok
[INFO] [stdout] test stream::model::categorical::contiguous::tests::trivial_optimal_weights ... ok
[INFO] [stdout] test stream::model::categorical::lookup_contiguous::tests::lookup_contiguous ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u64_12 ... ok
[INFO] [stdout] test stream::model::tests::entropy ... ok
[INFO] [stdout] test stream::model::categorical::lookup_noncontiguous::tests::lookup_noncontiguous ... ok
[INFO] [stdout] test stream::model::categorical::non_contiguous::tests::non_contiguous_categorical ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u32_16 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u32_8 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u32_u64_24 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u64_16 ... ok
[INFO] [stdout] test stream::queue::tests::compress_one ... 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_none ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u64_8 ... ok
[INFO] [stdout] test stream::model::uniform::tests::uniform ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u8_u16_8 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u8_u32_8 ... ok
[INFO] [stdout] test stream::model::quantize::tests::leakily_quantized_laplace ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u32_u64_16 ... ok
[INFO] [stdout] test stream::queue::tests::compress_ten ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u32_u64_32 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u32_12 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u32_u64_24 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u16_u64_16 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u16_u64_12 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u16_u32_8 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u8_u64_8 ... 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_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_many_u32_u64_32 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u32_u64_8 ... ok
[INFO] [stdout] test stream::stack::tests::compress_none ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u32_u64_8 ... ok
[INFO] [stdout] test stream::stack::tests::compress_one ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u8_u32_8 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u8_u64_8 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u32_u64_16 ... 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::huffman::tests::decoder_huffman_tree ... ok
[INFO] [stdout] test stream::stack::tests::compress_two ... 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::encode_decode_iid_queue ... ok
[INFO] [stdout] test stream::queue::tests::seek ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u8_u16_8 ... ok
[INFO] [stdout] test symbol::tests::encode_decode_iid_stack ... ok
[INFO] [stdout] test stream::model::quantize::tests::leakily_quantized_normal ... ok
[INFO] [stdout] test symbol::tests::bit_stack ... ok
[INFO] [stdout] test symbol::tests::encode_decode_non_iid ... ok
[INFO] [stdout] test symbol::exp_golomb::tests::encode_decode_iid_queue ... ok
[INFO] [stdout] test stream::model::quantize::tests::leakily_quantized_cauchy ... ok
[INFO] [stdout] test stream::stack::tests::seek ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test stream::model::quantize::tests::leakily_quantized_binomial ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- backends::tests::decode_on_the_fly_stack stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'backends::tests::decode_on_the_fly_stack' (1000) panicked at src/backends.rs:1915:85:
[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:     0x5d315cf486f1 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5d315cf5d0ea - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x5d315cf4cb8c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5d315cf24c06 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5d315cf40d79 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x5d315ced6d70 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x5d315cf40f32 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5d315cf24cb2 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5d315cf1d989 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5d315cf258ad - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x5d315cf5d81c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5d315cf5d5f2 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stdout]   12:     0x5d315cea3271 - constriction[2f595f3080a5e963]::backends::tests::decode_on_the_fly_stack
[INFO] [stdout]   13:     0x5d315cebb8b9 - <constriction[2f595f3080a5e963]::backends::tests::decode_on_the_fly_stack::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5d315ceca05b - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   15:     0x5d315ced76c5 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5d315ced0f84 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5d315ceda822 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x5d315cf47fc9 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x74d4ba6f7dfa - <unknown>
[INFO] [stdout]   20:     0x74d4ba78b3d4 - clone
[INFO] [stdout]   21:                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. 79 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a195eba667e6cd521abf3842625bbd43e7d4134fce3301290914a70db44d40e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a195eba667e6cd521abf3842625bbd43e7d4134fce3301290914a70db44d40e9", kill_on_drop: false }`
[INFO] [stdout] a195eba667e6cd521abf3842625bbd43e7d4134fce3301290914a70db44d40e9
