[INFO] cloning repository https://github.com/jn1118/MQJJ
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jn1118/MQJJ" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjn1118%2FMQJJ", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjn1118%2FMQJJ'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 312ba40f646dbf27dc1b959e18a65a996638cbf1
[INFO] testing jn1118/MQJJ against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjn1118%2FMQJJ" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jn1118/MQJJ
[INFO] finished tweaking git repo https://github.com/jn1118/MQJJ
[INFO] tweaked toml for git repo https://github.com/jn1118/MQJJ written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jn1118/MQJJ on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jn1118/MQJJ 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d665856827f8587ea948872333cd7242e0ec4dd1e7befbcccf0435800b71e41
[INFO] running `Command { std: "docker" "start" "-a" "3d665856827f8587ea948872333cd7242e0ec4dd1e7befbcccf0435800b71e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d665856827f8587ea948872333cd7242e0ec4dd1e7befbcccf0435800b71e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d665856827f8587ea948872333cd7242e0ec4dd1e7befbcccf0435800b71e41", kill_on_drop: false }`
[INFO] [stdout] 3d665856827f8587ea948872333cd7242e0ec4dd1e7befbcccf0435800b71e41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f32eb209d916ae8f0482b4ebf02d6595fcab9374e152a56aab18f5400c4c6e3d
[INFO] running `Command { std: "docker" "start" "-a" "f32eb209d916ae8f0482b4ebf02d6595fcab9374e152a56aab18f5400c4c6e3d", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling once_cell v1.11.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling tracing-core v0.1.26
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling http v0.2.7
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling zstd-safe v4.1.6+zstd.1.5.2
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling mio v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling crc32c v0.6.3
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.5.3
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling snowflake v1.3.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling zstd-sys v1.6.3+zstd.1.5.2
[INFO] [stderr]    Compiling lz4-sys v1.9.3
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling time v0.3.9
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling sha1_smol v1.0.0
[INFO] [stderr]    Compiling integer-encoding v3.0.3
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling os_str_bytes v6.1.0
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling sha1 v0.6.1
[INFO] [stderr]    Compiling clap_lex v0.2.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling combine v4.6.4
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling pub-sub v2.0.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tokio v1.18.2
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling tracing v0.1.34
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling zookeeper_derive v0.4.1
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling async-stream v0.3.3
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling redis v0.21.5
[INFO] [stderr]    Compiling prost v0.9.0
[INFO] [stderr]    Compiling zookeeper v0.6.1
[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling lz4 v1.23.3
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling clap v3.1.18
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling tonic-build v0.6.2
[INFO] [stderr]    Compiling tokio-util v0.7.2
[INFO] [stderr]    Compiling tokio-io-timeout v1.2.0
[INFO] [stderr]    Compiling tokio-util v0.6.10
[INFO] [stderr]    Compiling tokio-stream v0.1.8
[INFO] [stderr]    Compiling h2 v0.3.13
[INFO] [stderr]    Compiling tower v0.4.12
[INFO] [stderr]    Compiling util v0.1.0 (/opt/rustwide/workdir/util)
[INFO] [stderr] error: failed to run custom build command for `util v0.1.0 (/opt/rustwide/workdir/util)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/util-8fb6783176f5fa52/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f32eb209d916ae8f0482b4ebf02d6595fcab9374e152a56aab18f5400c4c6e3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f32eb209d916ae8f0482b4ebf02d6595fcab9374e152a56aab18f5400c4c6e3d", kill_on_drop: false }`
[INFO] [stdout] f32eb209d916ae8f0482b4ebf02d6595fcab9374e152a56aab18f5400c4c6e3d
