[INFO] cloning repository https://github.com/mugraph-payments/mucodec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mugraph-payments/mucodec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmugraph-payments%2Fmucodec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmugraph-payments%2Fmucodec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14f9b843b58aa735181d3d4b70069e0367122df3
[INFO] checking mugraph-payments/mucodec against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmugraph-payments%2Fmucodec" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/mugraph-payments/mucodec
[INFO] finished tweaking git repo https://github.com/mugraph-payments/mucodec
[INFO] tweaked toml for git repo https://github.com/mugraph-payments/mucodec written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mugraph-payments/mucodec on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mugraph-payments/mucodec 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 552accb3a6e7837dc98871123037351834292ae4ee07f330ca80235e1e0a9d20
[INFO] running `Command { std: "docker" "start" "-a" "552accb3a6e7837dc98871123037351834292ae4ee07f330ca80235e1e0a9d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "552accb3a6e7837dc98871123037351834292ae4ee07f330ca80235e1e0a9d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "552accb3a6e7837dc98871123037351834292ae4ee07f330ca80235e1e0a9d20", kill_on_drop: false }`
[INFO] [stdout] 552accb3a6e7837dc98871123037351834292ae4ee07f330ca80235e1e0a9d20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5af8a42daacad749bcbffc4e47e4cce3169f9167c08a96051b6c357b075ca2d
[INFO] running `Command { std: "docker" "start" "-a" "f5af8a42daacad749bcbffc4e47e4cce3169f9167c08a96051b6c357b075ca2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.39
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling target-triple v0.1.3
[INFO] [stderr]     Checking unicode-ident v1.0.13
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking fastrand v2.2.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap_builder v4.5.20
[INFO] [stderr]     Checking regex-automata v0.4.8
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking mucodec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking proc-macro2 v1.0.89
[INFO] [stdout] error[E0001]: `-Znext-solver=globally` and `generic_const_exprs` are incompatible, using them at the same time is not allowed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove one of these features
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0001`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mucodec` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f5af8a42daacad749bcbffc4e47e4cce3169f9167c08a96051b6c357b075ca2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5af8a42daacad749bcbffc4e47e4cce3169f9167c08a96051b6c357b075ca2d", kill_on_drop: false }`
[INFO] [stdout] f5af8a42daacad749bcbffc4e47e4cce3169f9167c08a96051b6c357b075ca2d