[INFO] cloning repository https://github.com/memoriesadrift/mini-blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/memoriesadrift/mini-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoriesadrift%2Fmini-blockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoriesadrift%2Fmini-blockchain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e29a6bcbec816340ff3602e0d862700b6962cf76 [INFO] documenting memoriesadrift/mini-blockchain against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoriesadrift%2Fmini-blockchain" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/memoriesadrift/mini-blockchain [INFO] finished tweaking git repo https://github.com/memoriesadrift/mini-blockchain [INFO] tweaked toml for git repo https://github.com/memoriesadrift/mini-blockchain written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/memoriesadrift/mini-blockchain on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/memoriesadrift/mini-blockchain 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" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a57183edcf0fcbc5c85ed9eef02b5730fb93068e51cb3c891722e9f9cbefd4ce [INFO] running `Command { std: "docker" "start" "-a" "a57183edcf0fcbc5c85ed9eef02b5730fb93068e51cb3c891722e9f9cbefd4ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a57183edcf0fcbc5c85ed9eef02b5730fb93068e51cb3c891722e9f9cbefd4ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a57183edcf0fcbc5c85ed9eef02b5730fb93068e51cb3c891722e9f9cbefd4ce", kill_on_drop: false }` [INFO] [stdout] a57183edcf0fcbc5c85ed9eef02b5730fb93068e51cb3c891722e9f9cbefd4ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 000291a0821ec34c24fa32841bf5840753525d330b6789d3f3c4510cadcbdd77 [INFO] running `Command { std: "docker" "start" "-a" "000291a0821ec34c24fa32841bf5840753525d330b6789d3f3c4510cadcbdd77", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling libc v0.2.171 [INFO] [stderr] Checking zeroize v1.8.1 [INFO] [stderr] Checking const-oid v0.9.6 [INFO] [stderr] Checking subtle v2.6.1 [INFO] [stderr] Checking smallvec v1.14.0 [INFO] [stderr] Compiling zerocopy v0.8.24 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking writeable v0.5.5 [INFO] [stderr] Compiling icu_locid_transform_data v1.5.1 [INFO] [stderr] Checking litemap v0.7.5 [INFO] [stderr] Compiling icu_properties_data v1.5.1 [INFO] [stderr] Compiling icu_normalizer_data v1.5.1 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling getrandom v0.3.2 [INFO] [stderr] Checking write16 v1.0.0 [INFO] [stderr] Checking utf16_iter v1.0.5 [INFO] [stderr] Checking der v0.7.9 [INFO] [stderr] Checking once_cell v1.21.1 [INFO] [stderr] Checking http v1.3.1 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking data-encoding v2.8.0 [INFO] [stderr] Checking base16ct v0.2.0 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Checking hashbrown v0.15.2 [INFO] [stderr] Checking tracing-core v0.1.33 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling multer v2.1.0 [INFO] [stderr] Checking instant v0.1.13 [INFO] [stderr] Checking utf8parse v0.2.2 [INFO] [stderr] Checking encoding_rs v0.8.35 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking anstyle-query v1.1.2 [INFO] [stderr] Checking anstyle v1.0.10 [INFO] [stderr] Compiling anyhow v1.0.97 [INFO] [stderr] Checking anstyle-parse v0.2.6 [INFO] [stderr] Checking is_terminal_polyfill v1.70.1 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking colorchoice v1.0.3 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking indexmap v2.8.0 [INFO] [stderr] Checking crc32fast v1.4.2 [INFO] [stderr] Checking anstream v0.6.18 [INFO] [stderr] Compiling ruint-macro v1.2.1 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking jiff v0.2.5 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking spki v0.7.3 [INFO] [stderr] Checking pkcs8 v0.10.2 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking socket2 v0.5.8 [INFO] [stderr] Checking mio v1.0.3 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Checking ff v0.13.1 [INFO] [stderr] Checking crypto-bigint v0.5.5 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking sha1 v0.10.6 [INFO] [stderr] Checking hmac v0.12.1 [INFO] [stderr] Checking signature v2.2.0 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking group v0.13.0 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking headers v0.3.9 [INFO] [stderr] Checking rfc6979 v0.4.0 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking sled v0.34.7 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rand v0.9.0 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking env_filter v0.1.3 [INFO] [stderr] Checking env_logger v0.11.7 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.7.5 [INFO] [stderr] Compiling zerovec-derive v0.10.3 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling icu_provider_macros v1.5.0 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling pin-project-internal v1.1.10 [INFO] [stderr] Checking tokio v1.44.1 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking pin-project v1.1.10 [INFO] [stderr] Checking zerofrom v0.1.6 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Checking yoke v0.7.5 [INFO] [stderr] Checking thiserror v2.0.12 [INFO] [stderr] Checking tungstenite v0.26.2 [INFO] [stderr] Checking zerovec v0.10.4 [INFO] [stderr] Checking tinystr v0.7.6 [INFO] [stderr] Checking icu_collections v1.5.0 [INFO] [stderr] Checking icu_locid v1.5.0 [INFO] [stderr] Checking icu_provider v1.5.0 [INFO] [stderr] Checking icu_locid_transform v1.5.0 [INFO] [stderr] Checking icu_properties v1.5.1 [INFO] [stderr] Checking tokio-util v0.7.14 [INFO] [stderr] Checking tokio-tungstenite v0.26.2 [INFO] [stderr] Checking serdect v0.2.0 [INFO] [stderr] Checking serde_json v1.0.140 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking ruint v1.14.0 [INFO] [stderr] Checking sec1 v0.7.3 [INFO] [stderr] Checking elliptic-curve v0.13.8 [INFO] [stderr] Checking h2 v0.3.26 [INFO] [stderr] Checking icu_normalizer v1.5.0 [INFO] [stderr] Checking ecdsa v0.16.9 [INFO] [stderr] Checking serde_canonical_json v1.0.0 [INFO] [stderr] Checking idna_adapter v1.2.0 [INFO] [stderr] Checking k256 v0.13.4 [INFO] [stderr] Checking idna v1.0.3 [INFO] [stderr] Checking url v2.5.4 [INFO] [stderr] Checking tungstenite v0.21.0 [INFO] [stderr] Checking tokio-tungstenite v0.21.0 [INFO] [stderr] Checking hyper v0.14.32 [INFO] [stderr] Checking warp v0.3.7 [INFO] [stderr] Documenting mini_blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (1514) panicked at src/librustdoc/html/markdown.rs:541:22: [INFO] [stderr] a production-ready version of this should handle the error somehow: LatexError(1, UnknownCommand("floor")) [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x739208246d9b - <::print::DisplayBacktrace as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 1: 0x73920880ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 2: 0x73920825dc36 - ::write_fmt [INFO] [stderr] 3: 0x73920821ce48 - std[6281e874092a0dfc]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x73920823a163 - std[6281e874092a0dfc]::panicking::default_hook [INFO] [stderr] 5: 0x73920720ff8d - std[6281e874092a0dfc]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x73920823a442 - std[6281e874092a0dfc]::panicking::panic_with_hook [INFO] [stderr] 7: 0x73920821cf08 - std[6281e874092a0dfc]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x739208211479 - std[6281e874092a0dfc]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x73920821e96d - __rustc[670611b3f56fc7d7]::rust_begin_unwind [INFO] [stderr] 10: 0x739204ece58c - core[37ab4a9f28f6fd13]::panicking::panic_fmt [INFO] [stderr] 11: 0x739204b88b72 - core[37ab4a9f28f6fd13]::result::unwrap_failed [INFO] [stderr] 12: 0x5781f62444e7 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 13: 0x5781f61dac16 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 14: 0x5781f6040493 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>>, pulldown_cmark_escape[cb8658d251f4e39e]::FmtWriter<&mut core[37ab4a9f28f6fd13]::fmt::Formatter>>>::run [INFO] [stderr] 15: 0x5781f5e8fb80 - ::write_into::<&mut core[37ab4a9f28f6fd13]::fmt::Formatter> [INFO] [stderr] 16: 0x5781f6233521 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 17: 0x73920880ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 18: 0x5781f62345da - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 19: 0x5781f5e91657 - rustdoc[7f40747ea455e46f]::html::render::render_impl::{closure#0}::doc_impl_item::<&mut alloc[56313f94ec8c6695]::string::String, &mut alloc[56313f94ec8c6695]::string::String> [INFO] [stderr] 20: 0x5781f623248c - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 21: 0x5781f61cf794 - , >::get::{closure#0}>, >::get::{closure#1}> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 22: 0x5781f60f28a7 - >::get [INFO] [stderr] 23: 0x5781f6182681 - rustdoc[7f40747ea455e46f]::html::render::write_shared::write_shared [INFO] [stderr] 24: 0x5781f608e2b0 - ::init [INFO] [stderr] 25: 0x5781f5ffd23f - rustdoc[7f40747ea455e46f]::main_args::{closure#2}::{closure#0} [INFO] [stderr] 26: 0x5781f5ff1100 - rustc_interface[7c235db06cadd779]::interface::run_compiler::<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1} [INFO] [stderr] 27: 0x5781f5f2a078 - std[6281e874092a0dfc]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 28: 0x5781f6023df7 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[37ab4a9f28f6fd13]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 29: 0x739209a1dbac - ::new::thread_start [INFO] [stderr] 30: 0x73920348aaa4 - [INFO] [stderr] 31: 0x739203517a64 - clone [INFO] [stderr] 32: 0x0 - [INFO] [stderr] [INFO] [stderr] error: the compiler unexpectedly panicked. this is a bug. [INFO] [stderr] [INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-rustdoc&template=ice.md [INFO] [stderr] [INFO] [stderr] note: please make sure that you have updated to the latest nightly [INFO] [stderr] [INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2026-02-09T21_34_27-1513.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.95.0-nightly (a394c9cd9 2026-01-31) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: --crate-type bin [INFO] [stderr] [INFO] [stderr] note: some of the compiler flags provided by cargo are hidden [INFO] [stderr] [INFO] [stderr] query stack during panic: [INFO] [stderr] end of query stack [INFO] [stderr] error: could not document `mini_blockchain` [INFO] running `Command { std: "docker" "inspect" "000291a0821ec34c24fa32841bf5840753525d330b6789d3f3c4510cadcbdd77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "000291a0821ec34c24fa32841bf5840753525d330b6789d3f3c4510cadcbdd77", kill_on_drop: false }` [INFO] [stdout] 000291a0821ec34c24fa32841bf5840753525d330b6789d3f3c4510cadcbdd77