[INFO] fetching crate cpu_timer 0.1.1...
[INFO] testing cpu_timer-0.1.1 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate cpu_timer 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate cpu_timer 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cpu_timer 0.1.1
[INFO] tweaked toml for crates.io crate cpu_timer 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cpu_timer 0.1.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 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] db845dd53d580f46bc3caf6b04c3ed380d18957522ea3997e03b4fec1c975361
[INFO] running `Command { std: "docker" "start" "db845dd53d580f46bc3caf6b04c3ed380d18957522ea3997e03b4fec1c975361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db845dd53d580f46bc3caf6b04c3ed380d18957522ea3997e03b4fec1c975361", 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" "db845dd53d580f46bc3caf6b04c3ed380d18957522ea3997e03b4fec1c975361" "/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" "db845dd53d580f46bc3caf6b04c3ed380d18957522ea3997e03b4fec1c975361", 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" "db845dd53d580f46bc3caf6b04c3ed380d18957522ea3997e03b4fec1c975361" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpu_timer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Asm` is never constructed
[INFO] [stdout]   --> src/arch.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Asm(());
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "db845dd53d580f46bc3caf6b04c3ed380d18957522ea3997e03b4fec1c975361", 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" "db845dd53d580f46bc3caf6b04c3ed380d18957522ea3997e03b4fec1c975361" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: struct `Asm` is never constructed
[INFO] [stdout]   --> src/arch.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Asm(());
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cpu_timer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> tests/arr_vec.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     for i in 0..10_000_000 {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Asm` is never constructed
[INFO] [stdout]   --> src/arch.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Asm(());
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "db845dd53d580f46bc3caf6b04c3ed380d18957522ea3997e03b4fec1c975361", 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" "db845dd53d580f46bc3caf6b04c3ed380d18957522ea3997e03b4fec1c975361" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Asm` is never constructed
[INFO] [stderr]   --> src/arch.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct Asm(());
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cpu_timer` (lib) generated 1 warning
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]  --> tests/arr_vec.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     for i in 0..10_000_000 {
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cpu_timer` (test "arr_vec") generated 1 warning (run `cargo fix --test "arr_vec" -p cpu_timer` to apply 1 suggestion)
[INFO] [stderr] warning: `cpu_timer` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/cpu_timer-fcc651bfb7265e87)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/arr_vec.rs (/opt/rustwide/target/release/deps/arr_vec-741770222e1b7331)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test stuff ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.25s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cpu_timer.rs (/opt/rustwide/target/release/deps/cpu_timer-f4d824ec438c9cc7)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_timer ... ok
[INFO] [stdout] test test_trace ... ok
[INFO] [stdout] test test_delta_timer ... ok
[INFO] [stdout] test test_timer_values ... ok
[INFO] [stdout] test test_acc_trace ... ok
[INFO] [stdout] test test_acc_timer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.57s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cpu_timer
[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' (216) panicked at /rustc-dev/dfb0accb7f508ae8be965d8629557221c889dd98/compiler/rustc_parse/src/parser/diagnostics.rs:2399:36:
[INFO] [stderr] internal error: entered unreachable code: This method is not called in free functions, as patterns are always allowed there
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7d2d64711c76 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x7d2d64e0ef0f - core[df12db4294e9bfd3]::fmt::write
[INFO] [stderr]    2:     0x7d2d663277ac - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stderr]    3:     0x7d2d646e50da - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x7d2d64705f23 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stderr]    5:     0x7d2d6367cfca - std[70759c8f55707aa4]::panicking::update_hook::<alloc[2182bb758b4b3781]::boxed::Box<rustc_driver_impl[2a21927376c0f143]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    6:     0x7d2d647063c2 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stderr]    7:     0x7d2d646e51c4 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stderr]    8:     0x7d2d646dce09 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]    9:     0x7d2d646e6b9d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stderr]   10:     0x7d2d60ad907c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stderr]   11:     0x7d2d63f408d0 - <rustc_parse[ec0b600421f38cf5]::parser::Parser>::recover_arg_parse
[INFO] [stderr]   12:     0x7d2d6601f164 - <rustc_parse[ec0b600421f38cf5]::parser::Parser>::parse_param_general
[INFO] [stderr]   13:     0x7d2d66016343 - <rustc_parse[ec0b600421f38cf5]::parser::Parser>::parse_fn_params
[INFO] [stderr]   14:     0x7d2d64f48421 - <rustc_parse[ec0b600421f38cf5]::parser::Parser>::parse_fn
[INFO] [stderr]   15:     0x7d2d656aca49 - <rustc_parse[ec0b600421f38cf5]::parser::Parser>::parse_item_kind
[INFO] [stderr]   16:     0x7d2d64f294a2 - <rustc_parse[ec0b600421f38cf5]::parser::Parser>::parse_item_common
[INFO] [stderr]   17:     0x7d2d64f4251d - <rustc_parse[ec0b600421f38cf5]::parser::Parser>::parse_stmt_without_recovery
[INFO] [stderr]   18:     0x7d2d64f3bfca - <rustc_parse[ec0b600421f38cf5]::parser::Parser>::parse_block_common
[INFO] [stderr]   19:     0x7d2d64f486f7 - <rustc_parse[ec0b600421f38cf5]::parser::Parser>::parse_fn
[INFO] [stderr]   20:     0x7d2d656aca49 - <rustc_parse[ec0b600421f38cf5]::parser::Parser>::parse_item_kind
[INFO] [stderr]   21:     0x7d2d64f294a2 - <rustc_parse[ec0b600421f38cf5]::parser::Parser>::parse_item_common
[INFO] [stderr]   22:     0x7d2d64f28302 - <rustc_parse[ec0b600421f38cf5]::parser::Parser>::parse_item
[INFO] [stderr]   23:     0x616ea9cb5abc - <scoped_tls[6c23cf2ca1b9bb58]::ScopedKey<rustc_span[18220d1c7b096733]::SessionGlobals>>::with::<<rustdoc[e9e4dc57ef3a2a46]::doctest::make::BuildDocTestBuilder>::build::{closure#0}::{closure#0}, core[df12db4294e9bfd3]::result::Result<rustdoc[e9e4dc57ef3a2a46]::doctest::make::ParseSourceInfo, ()>>
[INFO] [stderr]   24:     0x616ea9d73c1d - <rustdoc[e9e4dc57ef3a2a46]::doctest::make::BuildDocTestBuilder>::build
[INFO] [stderr]   25:     0x616ea9d84e2a - <rustdoc[e9e4dc57ef3a2a46]::doctest::CreateRunnableDocTests>::add_test
[INFO] [stderr]   26:     0x616ea9d6249a - rustdoc[e9e4dc57ef3a2a46]::doctest::run::{closure#2}::{closure#0}
[INFO] [stderr]   27:     0x616ea9d57706 - rustc_interface[48a29cc26c1eac1b]::interface::run_compiler::<core[df12db4294e9bfd3]::result::Result<core[df12db4294e9bfd3]::option::Option<rustdoc[e9e4dc57ef3a2a46]::doctest::CreateRunnableDocTests>, alloc[2182bb758b4b3781]::string::String>, rustdoc[e9e4dc57ef3a2a46]::doctest::run::{closure#2}>::{closure#2}
[INFO] [stderr]   28:     0x616ea9cf4249 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[48a29cc26c1eac1b]::util::run_in_thread_with_globals<rustc_interface[48a29cc26c1eac1b]::util::run_in_thread_pool_with_globals<rustc_interface[48a29cc26c1eac1b]::interface::run_compiler<core[df12db4294e9bfd3]::result::Result<core[df12db4294e9bfd3]::option::Option<rustdoc[e9e4dc57ef3a2a46]::doctest::CreateRunnableDocTests>, alloc[2182bb758b4b3781]::string::String>, rustdoc[e9e4dc57ef3a2a46]::doctest::run::{closure#2}>::{closure#2}, core[df12db4294e9bfd3]::result::Result<core[df12db4294e9bfd3]::option::Option<rustdoc[e9e4dc57ef3a2a46]::doctest::CreateRunnableDocTests>, alloc[2182bb758b4b3781]::string::String>>::{closure#0}, core[df12db4294e9bfd3]::result::Result<core[df12db4294e9bfd3]::option::Option<rustdoc[e9e4dc57ef3a2a46]::doctest::CreateRunnableDocTests>, alloc[2182bb758b4b3781]::string::String>>::{closure#0}::{closure#0}, core[df12db4294e9bfd3]::result::Result<core[df12db4294e9bfd3]::option::Option<rustdoc[e9e4dc57ef3a2a46]::doctest::CreateRunnableDocTests>, alloc[2182bb758b4b3781]::string::String>>
[INFO] [stderr]   29:     0x616ea9d6fb3f - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<rustc_interface[48a29cc26c1eac1b]::util::run_in_thread_with_globals<rustc_interface[48a29cc26c1eac1b]::util::run_in_thread_pool_with_globals<rustc_interface[48a29cc26c1eac1b]::interface::run_compiler<core[df12db4294e9bfd3]::result::Result<core[df12db4294e9bfd3]::option::Option<rustdoc[e9e4dc57ef3a2a46]::doctest::CreateRunnableDocTests>, alloc[2182bb758b4b3781]::string::String>, rustdoc[e9e4dc57ef3a2a46]::doctest::run::{closure#2}>::{closure#2}, core[df12db4294e9bfd3]::result::Result<core[df12db4294e9bfd3]::option::Option<rustdoc[e9e4dc57ef3a2a46]::doctest::CreateRunnableDocTests>, alloc[2182bb758b4b3781]::string::String>>::{closure#0}, core[df12db4294e9bfd3]::result::Result<core[df12db4294e9bfd3]::option::Option<rustdoc[e9e4dc57ef3a2a46]::doctest::CreateRunnableDocTests>, alloc[2182bb758b4b3781]::string::String>>::{closure#0}::{closure#0}, core[df12db4294e9bfd3]::result::Result<core[df12db4294e9bfd3]::option::Option<rustdoc[e9e4dc57ef3a2a46]::doctest::CreateRunnableDocTests>, alloc[2182bb758b4b3781]::string::String>>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   30:     0x7d2d66171f47 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   31:     0x7d2d5f682dfa - <unknown>
[INFO] [stderr]   32:     0x7d2d5f7163d4 - clone
[INFO] [stderr]   33:                0x0 - <unknown>
[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: rustc 1.99.0-beta.8 (dfb0accb7 2026-09-26) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: --crate-type lib -C embed-bitcode=no
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] end of query stack
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "db845dd53d580f46bc3caf6b04c3ed380d18957522ea3997e03b4fec1c975361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db845dd53d580f46bc3caf6b04c3ed380d18957522ea3997e03b4fec1c975361", kill_on_drop: false }`
[INFO] [stdout] db845dd53d580f46bc3caf6b04c3ed380d18957522ea3997e03b4fec1c975361
