[INFO] fetching crate flowistry_ide 0.5.44...
[INFO] testing flowistry_ide-0.5.44 against 1.90.0 for beta-1.91-3
[INFO] extracting crate flowistry_ide 0.5.44 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate flowistry_ide 0.5.44
[INFO] finished tweaking crates.io crate flowistry_ide 0.5.44
[INFO] tweaked toml for crates.io crate flowistry_ide 0.5.44 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flowistry_ide 0.5.44 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flowistry_ide 0.5.44 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc_tools_util v0.1.1
[INFO] [stderr]   Downloaded rustc_utils v0.14.2-nightly-2025-08-20
[INFO] [stderr]   Downloaded rustc_plugin v0.14.2-nightly-2025-08-20
[INFO] [stderr]   Downloaded indexical v0.9.3
[INFO] [stderr]   Downloaded fluid-let v1.0.0
[INFO] [stderr]   Downloaded cargo_metadata v0.14.2
[INFO] [stderr]   Downloaded flowistry v0.5.44
[INFO] [stderr]   Downloaded camino v1.2.0
[INFO] [stderr]   Downloaded index_vec v0.1.4
[INFO] [stderr]   Downloaded intervaltree v0.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 702512ca615886c96a28b7d5ccb88187e11fa3fd3dd2224ccfb91e147aaaaf1f
[INFO] running `Command { std: "docker" "start" "-a" "702512ca615886c96a28b7d5ccb88187e11fa3fd3dd2224ccfb91e147aaaaf1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "702512ca615886c96a28b7d5ccb88187e11fa3fd3dd2224ccfb91e147aaaaf1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "702512ca615886c96a28b7d5ccb88187e11fa3fd3dd2224ccfb91e147aaaaf1f", kill_on_drop: false }`
[INFO] [stdout] 702512ca615886c96a28b7d5ccb88187e11fa3fd3dd2224ccfb91e147aaaaf1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0eea96d3b36efc03d4fc377630dc2dab29f4490fc32754d158877d092a8cd6d0
[INFO] running `Command { std: "docker" "start" "-a" "0eea96d3b36efc03d4fc377630dc2dab29f4490fc32754d158877d092a8cd6d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.226
[INFO] [stderr]    Compiling serde v1.0.226
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling camino v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling index_vec v0.1.4
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling serde_derive v1.0.226
[INFO] [stderr]    Compiling intervaltree v0.2.7
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling fluid-let v1.0.0
[INFO] [stderr]    Compiling rustc_tools_util v0.1.1
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling indexical v0.9.3
[INFO] [stdout] error[E0463]: can't find crate for `rustc_driver`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/indexical-0.9.3/src/bitset/rustc.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate rustc_driver;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rustc_index`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/indexical-0.9.3/src/bitset/rustc.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub extern crate rustc_index;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rustc_mir_dataflow`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/indexical-0.9.3/src/bitset/rustc.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate rustc_mir_dataflow;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/indexical-0.9.3/src/lib.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![cfg_attr(feature = "rustc", feature(rustc_private))]
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `indexical` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0eea96d3b36efc03d4fc377630dc2dab29f4490fc32754d158877d092a8cd6d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eea96d3b36efc03d4fc377630dc2dab29f4490fc32754d158877d092a8cd6d0", kill_on_drop: false }`
[INFO] [stdout] 0eea96d3b36efc03d4fc377630dc2dab29f4490fc32754d158877d092a8cd6d0