[INFO] fetching crate opt_solver 0.1.1...
[INFO] testing opt_solver-0.1.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate opt_solver 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate opt_solver 0.1.1
[INFO] finished tweaking crates.io crate opt_solver 0.1.1
[INFO] tweaked toml for crates.io crate opt_solver 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate opt_solver 0.1.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 93 packages to latest compatible versions
[INFO] [stderr]       Adding pyo3 v0.19.2 (available: v0.28.3)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ae5fb47a0768ec8d652a59340e119131b4060f0ca290d4a27117dfc8aa63bbe
[INFO] running `Command { std: "docker" "start" "-a" "1ae5fb47a0768ec8d652a59340e119131b4060f0ca290d4a27117dfc8aa63bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ae5fb47a0768ec8d652a59340e119131b4060f0ca290d4a27117dfc8aa63bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ae5fb47a0768ec8d652a59340e119131b4060f0ca290d4a27117dfc8aa63bbe", kill_on_drop: false }`
[INFO] [stdout] 1ae5fb47a0768ec8d652a59340e119131b4060f0ca290d4a27117dfc8aa63bbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a3d45815c081d709c8cbc9c9e383d651f0358aad4d42c3b928ecadf5a793403
[INFO] running `Command { std: "docker" "start" "-a" "3a3d45815c081d709c8cbc9c9e383d651f0358aad4d42c3b928ecadf5a793403", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling rust_decimal v1.41.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling array-init v2.1.0
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling pyo3-build-config v0.19.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling pyo3-ffi v0.19.2
[INFO] [stderr]    Compiling pyo3 v0.19.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.19.2
[INFO] [stderr]    Compiling pyo3-macros v0.19.2
[INFO] [stderr]    Compiling opt_solver v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(associated_const_equality)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.94.0
[INFO] [stdout]   = note: merged into `min_generic_const_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `opt_solver` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3a3d45815c081d709c8cbc9c9e383d651f0358aad4d42c3b928ecadf5a793403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a3d45815c081d709c8cbc9c9e383d651f0358aad4d42c3b928ecadf5a793403", kill_on_drop: false }`
[INFO] [stdout] 3a3d45815c081d709c8cbc9c9e383d651f0358aad4d42c3b928ecadf5a793403