[INFO] fetching crate mco-redis 0.1.2... [INFO] testing mco-redis-0.1.2 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate mco-redis 0.1.2 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate mco-redis 0.1.2 [INFO] finished tweaking crates.io crate mco-redis 0.1.2 [INFO] tweaked toml for crates.io crate mco-redis 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mco-redis 0.1.2 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mco-redis 0.1.2 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mco-gen v0.1.0 [INFO] [stderr] Downloaded mco v0.1.38 [INFO] [stderr] Downloaded nix v0.21.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 17d0d35c4e1ec773908fec6eb9219d998e4530a6591b8dfbefde15c19c21ef7a [INFO] running `Command { std: "docker" "start" "-a" "17d0d35c4e1ec773908fec6eb9219d998e4530a6591b8dfbefde15c19c21ef7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "17d0d35c4e1ec773908fec6eb9219d998e4530a6591b8dfbefde15c19c21ef7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17d0d35c4e1ec773908fec6eb9219d998e4530a6591b8dfbefde15c19c21ef7a", kill_on_drop: false }` [INFO] [stdout] 17d0d35c4e1ec773908fec6eb9219d998e4530a6591b8dfbefde15c19c21ef7a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 30bb28565344894cea7b18b0003478ba408e70743257a456c15541952920b107 [INFO] running `Command { std: "docker" "start" "-a" "30bb28565344894cea7b18b0003478ba408e70743257a456c15541952920b107", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.118 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling rustversion v1.0.6 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling crossbeam-epoch v0.9.7 [INFO] [stderr] Compiling crossbeam-queue v0.3.4 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling lock_api v0.4.6 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling num_threads v0.1.3 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling once_cell v1.9.0 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling crossbeam-channel v0.5.2 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling mco v0.1.38 [INFO] [stderr] Compiling mco-gen v0.1.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling crossbeam v0.8.1 [INFO] [stderr] Compiling btoi v0.4.2 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling nix v0.21.0 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling socket2 v0.4.4 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Compiling time v0.3.7 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling mco-redis v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/connector.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError` [INFO] [stdout] --> src/client.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::sync::mpsc::RecvError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Codec` [INFO] [stdout] --> src/client.rs:6:26 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::codec_redis::{Codec, Request, Response}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/simple.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ByteString` [INFO] [stdout] --> src/simple.rs:5:38 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::bytes::{BufMut, BytesMut, ByteString}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] error: internal compiler error: /rustc-dev/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs:123:21: nullary intrinsic type_name must either be in a const block or explicitly opted out because it is inherently a runtime intrinsic [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mco-gen-0.1.0/src/gen_impl.rs:171:22 [INFO] [stdout] | [INFO] [stdout] 171 | unsafe { type_name::() }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' (1106) panicked at /rustc-dev/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs:123:21: [INFO] [stderr] Box [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x79c33ca687e3 - ::fmt::h5bb8a979ba5db788 [INFO] [stderr] 1: 0x79c33d201a18 - core::fmt::write::h1e0dbf07fe3990bd [INFO] [stderr] 2: 0x79c33ca1d733 - std::io::Write::write_fmt::h12c8908aaac7ca22 [INFO] [stderr] 3: 0x79c33ca2e882 - std::sys::backtrace::BacktraceLock::print::h788d486777205086 [INFO] [stderr] 4: 0x79c33ca34729 - std::panicking::default_hook::{{closure}}::ha7bdfeb5949fc0fa [INFO] [stderr] 5: 0x79c33ca34253 - std::panicking::default_hook::h6dad75ec721846f4 [INFO] [stderr] 6: 0x79c33ba8a935 - std[b78fcb58897fbf01]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x79c33ca34bde - std::panicking::panic_with_hook::hba00e869ada17676 [INFO] [stderr] 8: 0x79c33bac7811 - std[b78fcb58897fbf01]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 9: 0x79c33babbaf6 - std[b78fcb58897fbf01]::sys::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 10: 0x79c33babae87 - std[b78fcb58897fbf01]::panicking::begin_panic:: [INFO] [stderr] 11: 0x79c33bad2f51 - ::emit_producing_guarantee [INFO] [stderr] 12: 0x79c33c059a8c - ::span_bug:: [INFO] [stderr] 13: 0x79c33c07fa47 - rustc_middle[cb59703c06859590]::util::bug::opt_span_bug_fmt::::{closure#0} [INFO] [stderr] 14: 0x79c33c07fc2a - rustc_middle[cb59703c06859590]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0} [INFO] [stderr] 15: 0x79c33c06e75b - rustc_middle[cb59703c06859590]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !> [INFO] [stderr] 16: 0x79c33a02aa07 - rustc_middle[cb59703c06859590]::util::bug::span_bug_fmt:: [INFO] [stderr] 17: 0x79c33e204b39 - >>::codegen_intrinsic_call [INFO] [stderr] 18: 0x79c33e648b6b - rustc_codegen_ssa[cf2fcb9dde7d7430]::mir::codegen_mir::> [INFO] [stderr] 19: 0x79c33d389584 - rustc_codegen_llvm[977ed265a2433049]::base::compile_codegen_unit::module_codegen [INFO] [stderr] 20: 0x79c33e36509a - ::compile_codegen_unit [INFO] [stderr] 21: 0x79c33e362f83 - ::codegen_crate [INFO] [stderr] 22: 0x79c33e4a8870 - ::codegen_and_build_linker [INFO] [stderr] 23: 0x79c33e4a63fc - rustc_interface[bf8fe259b496636f]::passes::create_and_enter_global_ctxt::, rustc_driver_impl[7ef15a19d0126884]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0} [INFO] [stderr] 24: 0x79c33e456922 - rustc_interface[bf8fe259b496636f]::interface::run_compiler::<(), rustc_driver_impl[7ef15a19d0126884]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 25: 0x79c33e34edb8 - std[b78fcb58897fbf01]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 26: 0x79c33e34ea9c - <::spawn_unchecked_::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[83fc4a188749d9b7]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 27: 0x79c33e354b0d - std::sys::pal::unix::thread::Thread::new::thread_start::h942e336943ad5963 [INFO] [stderr] 28: 0x79c337c65aa4 - [INFO] [stderr] 29: 0x79c337cf2a34 - clone [INFO] [stderr] 30: 0x0 - [INFO] [stderr] [INFO] [stderr] note: using internal features is not supported and expected to cause internal compiler errors when used incorrectly [INFO] [stderr] [INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mco-0.1.38/rustc-ice-2025-09-01T10_06_17-1103.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.91.0-nightly (cdb45c87e 2025-08-27) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: --crate-type lib -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] error: could not compile `mco` (lib) [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/codec_redis.rs:345:25 [INFO] [stdout] | [INFO] [stdout] 345 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/bin/rustc --crate-name mco --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mco-0.1.38/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("js-sys", "wasm-bindgen"))' -C metadata=471f72a5806cfbc4 -C extra-filename=-d19cafda4e5db8e2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-615b157dc5a6df6e.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-45766d4f3f195d6b.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-7a5acbf24749d3ac.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-e324f1d2fae59712.rmeta --extern mco_gen=/opt/rustwide/target/debug/deps/libmco_gen-3da92075d4d92461.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-e2c53398641af360.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-7a33591af59e8b97.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-4cd217228d324d54.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-902bf029664551f0.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-6e1939c8e049b327.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-8d41774e3decd5e4.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-caac1e92f3fda6b8.rmeta --extern tempdir=/opt/rustwide/target/debug/deps/libtempdir-73f5a9d200d542b4.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-e2645500ca232094.rmeta --cap-lints allow --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/mco-gen-4d8c0a0a81fcc64a/out --cfg nightly` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/simple.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let mut req = cmd.to_request(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/connector.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | conn.set_read_timeout(Some(timeout.clone())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 73 | let _ = conn.set_read_timeout(Some(timeout.clone())); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/connector.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | conn.set_write_timeout(Some(timeout)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 74 | let _ = conn.set_write_timeout(Some(timeout)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:34:25 [INFO] [stdout] | [INFO] [stdout] 34 | / s.send(match io_clone.send(&data){ [INFO] [stdout] 35 | | Ok(d)=>{ [INFO] [stdout] 36 | | Ok(d) [INFO] [stdout] ... | [INFO] [stdout] 41 | | }); [INFO] [stdout] | |__________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 34 | let _ = s.send(match io_clone.send(&data){ [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:109:17 [INFO] [stdout] | [INFO] [stdout] 109 | self.queue.0.send((buf,tx)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 109 | let _ = self.queue.0.send((buf,tx)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/simple.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | io.flush(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 58 | let _ = io.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "30bb28565344894cea7b18b0003478ba408e70743257a456c15541952920b107", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30bb28565344894cea7b18b0003478ba408e70743257a456c15541952920b107", kill_on_drop: false }` [INFO] [stdout] 30bb28565344894cea7b18b0003478ba408e70743257a456c15541952920b107