[INFO] fetching crate bascule 0.0.0... [INFO] testing bascule-0.0.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237 [INFO] extracting crate bascule 0.0.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate bascule 0.0.0 [INFO] finished tweaking crates.io crate bascule 0.0.0 [INFO] tweaked toml for crates.io crate bascule 0.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate bascule 0.0.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate bascule 0.0.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 28e25e9809fca9278e2f8279b56beee23acb34583562f910058a2e4b69421d5e [INFO] running `Command { std: "docker" "start" "-a" "28e25e9809fca9278e2f8279b56beee23acb34583562f910058a2e4b69421d5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28e25e9809fca9278e2f8279b56beee23acb34583562f910058a2e4b69421d5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28e25e9809fca9278e2f8279b56beee23acb34583562f910058a2e4b69421d5e", kill_on_drop: false }` [INFO] [stdout] 28e25e9809fca9278e2f8279b56beee23acb34583562f910058a2e4b69421d5e [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cc5d7336b99327c001fc0f33f82270b5d5e8e58ffcad23dd676087677ee94031 [INFO] running `Command { std: "docker" "start" "-a" "cc5d7336b99327c001fc0f33f82270b5d5e8e58ffcad23dd676087677ee94031", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling bascule v0.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `Command { std: "docker" "inspect" "cc5d7336b99327c001fc0f33f82270b5d5e8e58ffcad23dd676087677ee94031", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc5d7336b99327c001fc0f33f82270b5d5e8e58ffcad23dd676087677ee94031", kill_on_drop: false }` [INFO] [stdout] cc5d7336b99327c001fc0f33f82270b5d5e8e58ffcad23dd676087677ee94031 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fc76e1918fbc735e1644730e46b23ef22a0d167d0566eaedf07096528ee46cee [INFO] running `Command { std: "docker" "start" "-a" "fc76e1918fbc735e1644730e46b23ef22a0d167d0566eaedf07096528ee46cee", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling bascule v0.0.0 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (30) panicked at compiler/rustc_thread_pool/src/sleep/mod.rs:354:52: [INFO] [stderr] index out of bounds: the len is 8 but the index is 9223372036854775808 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x717c672785a2 - ::fmt::h71e2dbb21440d8d7 [INFO] [stderr] 1: 0x717c67a0c8fc - core::fmt::write::ha34f2b5c70e30f63 [INFO] [stderr] 2: 0x717c6722ca41 - std::io::Write::write_fmt::h76264e5b71fd6d13 [INFO] [stderr] 3: 0x717c6723dfb2 - std::sys::backtrace::BacktraceLock::print::hb3aae3980c2c9bd5 [INFO] [stderr] 4: 0x717c672441c7 - std::panicking::default_hook::{{closure}}::h1b7baa88a148d351 [INFO] [stderr] 5: 0x717c67243cd3 - std::panicking::default_hook::hbc5e86c06039547d [INFO] [stderr] 6: 0x717c662f78c1 - std[12c422ba0e8f2ccd]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x717c672446cf - std::panicking::panic_with_hook::ha6d2c09d64f936dd [INFO] [stderr] 8: 0x717c6724447a - std::panicking::panic_handler::{{closure}}::h455c9d131d722636 [INFO] [stderr] 9: 0x717c6723e0f9 - std::sys::backtrace::__rust_end_short_backtrace::hd6ef955384ebd085 [INFO] [stderr] 10: 0x717c6721dd7d - __rustc[f338935add60802b]::rust_begin_unwind [INFO] [stderr] 11: 0x717c64ae91f0 - core::panicking::panic_fmt::hb8d4a4959b79599f [INFO] [stderr] 12: 0x717c658b1743 - core::panicking::panic_bounds_check::h4c590fbe220f041f [INFO] [stderr] 13: 0x717c689ff2e2 - ::wake_specific_thread [INFO] [stderr] 14: 0x717c68ce242b - ::spawn::{closure#0}> as rustc_thread_pool[5261d82459708a3a]::job::Job>::execute [INFO] [stderr] 15: 0x717c689ff82a - ::wait_or_steal_until_cold [INFO] [stderr] 16: 0x717c689fb6b5 - ::run [INFO] [stderr] 17: 0x717c689fb52d - std[12c422ba0e8f2ccd]::sys::backtrace::__rust_begin_short_backtrace::<::build_scoped::{closure#1}, ()>::{closure#5}::{closure#0}::{closure#0}, rustc_interface[48cf4fa573a69c36]::util::run_in_thread_pool_with_globals::{closure#1}, ()>::{closure#5}::{closure#0}::{closure#1}, ()>::{closure#0}::{closure#0}::{closure#0}, ()> [INFO] [stderr] 18: 0x717c689fa838 - <::spawn_unchecked_<::build_scoped::{closure#1}, ()>::{closure#5}::{closure#0}::{closure#0}, rustc_interface[48cf4fa573a69c36]::util::run_in_thread_pool_with_globals::{closure#1}, ()>::{closure#5}::{closure#0}::{closure#1}, ()>::{closure#0}::{closure#0}::{closure#0}, ()>::{closure#1} as core[18170c64b6a218e4]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 19: 0x717c689f7435 - std::sys::pal::unix::thread::Thread::new::thread_start::h74991452e4c34e7b [INFO] [stderr] 20: 0x717c6248aaa4 - [INFO] [stderr] 21: 0x717c62517a34 - clone [INFO] [stderr] 22: 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-compiler&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-2025-09-11T03_13_47-25.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.91.0-nightly (d79d87d4c 2025-09-05) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 [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] Rayon: detected unexpected panic; aborting [INFO] [stderr] error: could not compile `bascule` (bin "bascule" test) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name bascule --edition=2015 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=33b4fa3f9b993a73 -C extra-filename=-1e496d20328f05df --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (signal: 6, SIGABRT: process abort signal) [INFO] running `Command { std: "docker" "inspect" "fc76e1918fbc735e1644730e46b23ef22a0d167d0566eaedf07096528ee46cee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc76e1918fbc735e1644730e46b23ef22a0d167d0566eaedf07096528ee46cee", kill_on_drop: false }` [INFO] [stdout] fc76e1918fbc735e1644730e46b23ef22a0d167d0566eaedf07096528ee46cee