[INFO] fetching crate constriction 0.4.1...
[INFO] testing constriction-0.4.1 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] extracting crate constriction 0.4.1 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate constriction 0.4.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate constriction 0.4.1
[INFO] tweaked toml for crates.io crate constriction 0.4.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate constriction 0.4.1 on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 99 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.8.1)
[INFO] [stderr]       Adding hashbrown v0.15.5 (available: v0.16.1)
[INFO] [stderr]       Adding numpy v0.22.1 (available: v0.27.1)
[INFO] [stderr]       Adding pyo3 v0.22.6 (available: v0.27.2)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rand_pcg v0.3.1 (available: v0.9.0)
[INFO] [stderr]       Adding rand_xoshiro v0.6.0 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4592846afba658c62cef3adbb7c0c0235000782fd779492f659bb18369412de4
[INFO] running `Command { std: "docker" "start" "-a" "4592846afba658c62cef3adbb7c0c0235000782fd779492f659bb18369412de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4592846afba658c62cef3adbb7c0c0235000782fd779492f659bb18369412de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4592846afba658c62cef3adbb7c0c0235000782fd779492f659bb18369412de4", kill_on_drop: false }`
[INFO] [stdout] 4592846afba658c62cef3adbb7c0c0235000782fd779492f659bb18369412de4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79d5fd52ab96978d2305491271f7331ac8f900c9b2a7d18620f1b651dec09df1
[INFO] running `Command { std: "docker" "start" "-a" "79d5fd52ab96978d2305491271f7331ac8f900c9b2a7d18620f1b651dec09df1", kill_on_drop: false }`
[INFO] [stderr]    Compiling random v0.13.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling special v0.10.3
[INFO] [stderr]    Compiling probability v0.20.3
[INFO] [stderr]    Compiling constriction v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/symbol/huffman.rs:72:37
[INFO] [stdout]    |
[INFO] [stdout] 72 |             .map(|(i, s)| s.map(|s| (Reverse((s, i)))))
[INFO] [stdout]    |                                     ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 72 -             .map(|(i, s)| s.map(|s| (Reverse((s, i)))))
[INFO] [stdout] 72 +             .map(|(i, s)| s.map(|s| Reverse((s, i))))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/symbol/huffman.rs:210:37
[INFO] [stdout]     |
[INFO] [stdout] 210 |             .map(|(i, s)| s.map(|s| (Reverse((s, i)))))
[INFO] [stdout]     |                                     ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 210 -             .map(|(i, s)| s.map(|s| (Reverse((s, i)))))
[INFO] [stdout] 210 +             .map(|(i, s)| s.map(|s| Reverse((s, i))))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "79d5fd52ab96978d2305491271f7331ac8f900c9b2a7d18620f1b651dec09df1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d5fd52ab96978d2305491271f7331ac8f900c9b2a7d18620f1b651dec09df1", kill_on_drop: false }`
[INFO] [stdout] 79d5fd52ab96978d2305491271f7331ac8f900c9b2a7d18620f1b651dec09df1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd9d208f5421e8d7b33439f3ccb9412089e6c09aaf45527aa22d84924771accc
[INFO] running `Command { std: "docker" "start" "-a" "fd9d208f5421e8d7b33439f3ccb9412089e6c09aaf45527aa22d84924771accc", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.32
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/symbol/huffman.rs:72:37
[INFO] [stdout]    |
[INFO] [stdout] 72 |             .map(|(i, s)| s.map(|s| (Reverse((s, i)))))
[INFO] [stdout]    |                                     ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 72 -             .map(|(i, s)| s.map(|s| (Reverse((s, i)))))
[INFO] [stdout] 72 +             .map(|(i, s)| s.map(|s| Reverse((s, i))))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/symbol/huffman.rs:210:37
[INFO] [stdout]     |
[INFO] [stdout] 210 |             .map(|(i, s)| s.map(|s| (Reverse((s, i)))))
[INFO] [stdout]     |                                     ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 210 -             .map(|(i, s)| s.map(|s| (Reverse((s, i)))))
[INFO] [stdout] 210 +             .map(|(i, s)| s.map(|s| Reverse((s, i))))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling clap_builder v4.5.54
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling rand_pcg v0.3.1
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling clap v4.5.54
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling zerocopy-derive v0.8.32
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling constriction v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/symbol/huffman.rs:72:37
[INFO] [stdout]    |
[INFO] [stdout] 72 |             .map(|(i, s)| s.map(|s| (Reverse((s, i)))))
[INFO] [stdout]    |                                     ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 72 -             .map(|(i, s)| s.map(|s| (Reverse((s, i)))))
[INFO] [stdout] 72 +             .map(|(i, s)| s.map(|s| Reverse((s, i))))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/symbol/huffman.rs:210:37
[INFO] [stdout]     |
[INFO] [stdout] 210 |             .map(|(i, s)| s.map(|s| (Reverse((s, i)))))
[INFO] [stdout]     |                                     ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 210 -             .map(|(i, s)| s.map(|s| (Reverse((s, i)))))
[INFO] [stdout] 210 +             .map(|(i, s)| s.map(|s| Reverse((s, i))))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 30.20s
[INFO] running `Command { std: "docker" "inspect" "fd9d208f5421e8d7b33439f3ccb9412089e6c09aaf45527aa22d84924771accc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9d208f5421e8d7b33439f3ccb9412089e6c09aaf45527aa22d84924771accc", kill_on_drop: false }`
[INFO] [stdout] fd9d208f5421e8d7b33439f3ccb9412089e6c09aaf45527aa22d84924771accc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 92da883d32910fa27c2451eafcea94bb01e09e7c057a2aac69e60d1275787029
[INFO] running `Command { std: "docker" "start" "-a" "92da883d32910fa27c2451eafcea94bb01e09e7c057a2aac69e60d1275787029", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/symbol/huffman.rs:72:37
[INFO] [stderr]    |
[INFO] [stderr] 72 |             .map(|(i, s)| s.map(|s| (Reverse((s, i)))))
[INFO] [stderr]    |                                     ^               ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 72 -             .map(|(i, s)| s.map(|s| (Reverse((s, i)))))
[INFO] [stderr] 72 +             .map(|(i, s)| s.map(|s| Reverse((s, i))))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/symbol/huffman.rs:210:37
[INFO] [stderr]     |
[INFO] [stderr] 210 |             .map(|(i, s)| s.map(|s| (Reverse((s, i)))))
[INFO] [stderr]     |                                     ^               ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 210 -             .map(|(i, s)| s.map(|s| (Reverse((s, i)))))
[INFO] [stderr] 210 +             .map(|(i, s)| s.map(|s| Reverse((s, i))))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `constriction` (lib) generated 2 warnings (run `cargo fix --lib -p constriction` to apply 2 suggestions)
[INFO] [stderr] warning: `constriction` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/constriction-04bdc98815a0b7c7)
[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_two ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u8_u64_8 ... ok
[INFO] [stdout] test stream::model::categorical::contiguous::tests::contiguous_categorical ... 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_ten ... ok
[INFO] [stdout] test stream::chain::tests::restore_twenty ... ok
[INFO] [stdout] test stream::model::categorical::contiguous::tests::trivial_optimal_weights ... ok
[INFO] [stdout] test stream::model::categorical::lazy_contiguous::tests::lazy_contiguous_categorical ... ok
[INFO] [stdout] test stream::model::categorical::lookup_contiguous::tests::lookup_contiguous ... 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::chain::tests::restore_many_u16_u64_16 ... 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::model::quantize::tests::split_almost_delta_distribution ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u32_u64_16 ... ok
[INFO] [stdout] test stream::model::uniform::tests::uniform ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u32_u64_32 ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u16_u64_8 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u32_16 ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u32_u64_8 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u64_12 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u32_12 ... ok
[INFO] [stdout] test stream::model::tests::entropy ... ok
[INFO] [stdout] test backends::tests::decode_on_the_fly_stack ... FAILED
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u64_16 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u32_u64_24 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u32_u64_16 ... 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_many_u16_u64_8 ... 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_u16_8 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u8_u64_8 ... ok
[INFO] [stdout] test stream::chain::tests::restore_many_u32_u64_24 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u16_u32_16 ... ok
[INFO] [stdout] test stream::queue::tests::compress_ten ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u16_u64_16 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u16_u32_12 ... 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::stack::tests::compress_many_u16_u64_8 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u16_u64_12 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u32_u64_8 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u16_u32_8 ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u32_u64_16 ... 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_twenty ... ok
[INFO] [stdout] test stream::stack::tests::compress_two ... 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_u32_u64_8 ... 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::exp_golomb::tests::encode_decode_iid_queue ... ok
[INFO] [stdout] test stream::stack::tests::compress_many_u8_u64_8 ... ok
[INFO] [stdout] test stream::stack::tests::compress_ten ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u32_u64_32 ... ok
[INFO] [stdout] test symbol::huffman::tests::encoder_huffman_tree ... ok
[INFO] [stdout] test symbol::huffman::tests::decoder_huffman_tree ... ok
[INFO] [stdout] test symbol::tests::encode_decode_iid_queue ... ok
[INFO] [stdout] test symbol::tests::bit_stack ... ok
[INFO] [stdout] test stream::queue::tests::seek ... ok
[INFO] [stdout] test stream::model::categorical::contiguous::tests::nontrivial_optimal_weights_f32 ... ok
[INFO] [stdout] test stream::stack::tests::compress_none ... ok
[INFO] [stdout] test symbol::tests::bit_queue ... ok
[INFO] [stdout] test symbol::tests::encode_decode_iid_stack ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u16_u32_8 ... ok
[INFO] [stdout] test stream::queue::tests::compress_many_u8_u32_8 ... ok
[INFO] [stdout] test symbol::tests::encode_decode_non_iid ... ok
[INFO] [stdout] test stream::stack::tests::seek ... ok
[INFO] [stdout] test stream::model::quantize::tests::leakily_quantized_normal ... ok
[INFO] [stdout] test stream::model::quantize::tests::leakily_quantized_cauchy ... ok
[INFO] [stdout] test stream::model::quantize::tests::leakily_quantized_laplace ... ok
[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' (24) panicked at src/backends.rs:1851:85:
[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:     0x5d29443326e2 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5d29443326e2 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5d29443326e2 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5d29443326e2 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5d294434751a - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5d294434751a - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x5d2944337546 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5d2944337546 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5d2944310d8f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5d2944310d8f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5d294432a969 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5d29442b0cbe - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5d29442b0cbe - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5d294432ab22 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5d294432ab22 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5d2944310e48 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5d2944305f89 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5d2944311c9d - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5d2944347bec - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5d2944347962 - core[585f66e14d78f9ba]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5d29441ec303 - <core[585f66e14d78f9ba]::result::Result<std[3f03f8b59f91bef1]::fs::File, std[3f03f8b59f91bef1]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5d29441ec303 - constriction[9b33976cf8b86868]::backends::tests::decode_on_the_fly_stack::encode_to_file
[INFO] [stdout]                                at /opt/rustwide/workdir/src/backends.rs:1851:85
[INFO] [stdout]   22:     0x5d29441e78bb - constriction[9b33976cf8b86868]::backends::tests::decode_on_the_fly_stack
[INFO] [stdout]                                at /opt/rustwide/workdir/src/backends.rs:1892:9
[INFO] [stdout]   23:     0x5d29441e4fc7 - constriction[9b33976cf8b86868]::backends::tests::decode_on_the_fly_stack::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/backends.rs:1837:33
[INFO] [stdout]   24:     0x5d294417b8b6 - <constriction[9b33976cf8b86868]::backends::tests::decode_on_the_fly_stack::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5d29442a506b - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5d29442a506b - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x5d29442b18ca - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x5d29442b18ca - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x5d29442b18ca - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x5d29442b18ca - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x5d29442b18ca - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5d29442b18ca - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x5d29442b18ca - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x5d29442abd94 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x5d29442abd94 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x5d29442b43c2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   37:     0x5d29442b43c2 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x5d29442b43c2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x5d29442b43c2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x5d29442b43c2 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5d29442b43c2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   42:     0x5d29442b43c2 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5d2944331f8f - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   44:     0x5d2944331f8f - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   45:     0x75e28deecaa4 - <unknown>
[INFO] [stdout]   46:     0x75e28df79a64 - clone
[INFO] [stdout]   47:                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 3.22s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "92da883d32910fa27c2451eafcea94bb01e09e7c057a2aac69e60d1275787029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92da883d32910fa27c2451eafcea94bb01e09e7c057a2aac69e60d1275787029", kill_on_drop: false }`
[INFO] [stdout] 92da883d32910fa27c2451eafcea94bb01e09e7c057a2aac69e60d1275787029
