[INFO] fetching crate ra2m_sim 1.0.0...
[INFO] testing ra2m_sim-1.0.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate ra2m_sim 1.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ra2m_sim 1.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ra2m_sim 1.0.0
[INFO] tweaked toml for crates.io crate ra2m_sim 1.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ra2m_sim 1.0.0 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] crate crates.io crate ra2m_sim 1.0.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test_derive v0.8.0
[INFO] [stderr]   Downloaded serial_test v0.8.0
[INFO] [stderr]   Downloaded bitflags v2.12.0
[INFO] [stderr]   Downloaded ra2m_sim_output v1.0.0
[INFO] [stderr]   Downloaded ra2m_sim_containers v1.0.0
[INFO] [stderr]   Downloaded ctrlc v3.5.2
[INFO] [stderr]   Downloaded ra2m_sim_kernel v1.0.0
[INFO] [stderr]   Downloaded ra2m_sim_macros v1.0.0
[INFO] [stderr]   Downloaded crossbeam v0.8.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 205e0fd86e986ae7042a86bdb2840a977c5051f123dcd63d30844e4869d8202b
[INFO] running `Command { std: "docker" "start" "205e0fd86e986ae7042a86bdb2840a977c5051f123dcd63d30844e4869d8202b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "205e0fd86e986ae7042a86bdb2840a977c5051f123dcd63d30844e4869d8202b", 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" "205e0fd86e986ae7042a86bdb2840a977c5051f123dcd63d30844e4869d8202b" "/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" "205e0fd86e986ae7042a86bdb2840a977c5051f123dcd63d30844e4869d8202b", 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" "205e0fd86e986ae7042a86bdb2840a977c5051f123dcd63d30844e4869d8202b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling memchr v2.8.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling bitflags v2.12.0
[INFO] [stderr]    Compiling nix v0.31.3
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling chacha20 v0.10.0
[INFO] [stderr]    Compiling log v0.4.30
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling mio v1.2.1
[INFO] [stderr]    Compiling socket2 v0.6.4
[INFO] [stderr]    Compiling rand v0.10.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling ctrlc v3.5.2
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling getset v0.1.6
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling ra2m_sim_macros v1.0.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-1.12.3/src/lib.rs:1321:34
[INFO] [stdout]      |
[INFO] [stdout] 1321 | #![cfg_attr(feature = "pattern", feature(pattern))]
[INFO] [stdout]      |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio v1.52.3
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "205e0fd86e986ae7042a86bdb2840a977c5051f123dcd63d30844e4869d8202b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "205e0fd86e986ae7042a86bdb2840a977c5051f123dcd63d30844e4869d8202b", kill_on_drop: false }`
[INFO] [stdout] 205e0fd86e986ae7042a86bdb2840a977c5051f123dcd63d30844e4869d8202b
