[INFO] cloning repository https://github.com/maxwell-fr/mbengine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxwell-fr/mbengine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxwell-fr%2Fmbengine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxwell-fr%2Fmbengine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84f02ae905dd45eefb1881ddfb5e6cd6bb847fe4
[INFO] testing maxwell-fr/mbengine against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxwell-fr%2Fmbengine" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maxwell-fr/mbengine
[INFO] finished tweaking git repo https://github.com/maxwell-fr/mbengine
[INFO] tweaked toml for git repo https://github.com/maxwell-fr/mbengine written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maxwell-fr/mbengine on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maxwell-fr/mbengine 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a466b9effe11fe828d56789e7b0acc959d24f0b8281a8465ff78ef65e8b3049c
[INFO] running `Command { std: "docker" "start" "-a" "a466b9effe11fe828d56789e7b0acc959d24f0b8281a8465ff78ef65e8b3049c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a466b9effe11fe828d56789e7b0acc959d24f0b8281a8465ff78ef65e8b3049c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a466b9effe11fe828d56789e7b0acc959d24f0b8281a8465ff78ef65e8b3049c", kill_on_drop: false }`
[INFO] [stdout] a466b9effe11fe828d56789e7b0acc959d24f0b8281a8465ff78ef65e8b3049c
[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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd33368628ac4c3f54688ca89da254ecbd39372e5d41d28906ed5cd3fab1e861
[INFO] running `Command { std: "docker" "start" "-a" "dd33368628ac4c3f54688ca89da254ecbd39372e5d41d28906ed5cd3fab1e861", kill_on_drop: false }`
[INFO] [stderr]    Compiling mbengine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "dd33368628ac4c3f54688ca89da254ecbd39372e5d41d28906ed5cd3fab1e861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd33368628ac4c3f54688ca89da254ecbd39372e5d41d28906ed5cd3fab1e861", kill_on_drop: false }`
[INFO] [stdout] dd33368628ac4c3f54688ca89da254ecbd39372e5d41d28906ed5cd3fab1e861
[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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 142b123698a63a07516520fcabe959f14802bcfbfdd9751036a74bb46c533579
[INFO] running `Command { std: "docker" "start" "-a" "142b123698a63a07516520fcabe959f14802bcfbfdd9751036a74bb46c533579", kill_on_drop: false }`
[INFO] [stderr]    Compiling mbengine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "142b123698a63a07516520fcabe959f14802bcfbfdd9751036a74bb46c533579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "142b123698a63a07516520fcabe959f14802bcfbfdd9751036a74bb46c533579", kill_on_drop: false }`
[INFO] [stdout] 142b123698a63a07516520fcabe959f14802bcfbfdd9751036a74bb46c533579
[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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02333fbfff38b680b905a5dba5115f73dafc4808e7e5903c244d4d57ddd2607f
[INFO] running `Command { std: "docker" "start" "-a" "02333fbfff38b680b905a5dba5115f73dafc4808e7e5903c244d4d57ddd2607f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mbengine-e1d11bbba6ebab08)
[INFO] [stderr] 
[INFO] [stderr] thread '<unknown>' (29) has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow, aborting
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/mbengine-e1d11bbba6ebab08` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "02333fbfff38b680b905a5dba5115f73dafc4808e7e5903c244d4d57ddd2607f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02333fbfff38b680b905a5dba5115f73dafc4808e7e5903c244d4d57ddd2607f", kill_on_drop: false }`
[INFO] [stdout] 02333fbfff38b680b905a5dba5115f73dafc4808e7e5903c244d4d57ddd2607f
