[INFO] cloning repository https://github.com/AwesomeARC/MCArtist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AwesomeARC/MCArtist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAwesomeARC%2FMCArtist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAwesomeARC%2FMCArtist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e1d61faeaa0e398c76d2681f3a85507afa26976
[INFO] testing AwesomeARC/MCArtist against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAwesomeARC%2FMCArtist" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AwesomeARC/MCArtist on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AwesomeARC/MCArtist
[INFO] finished tweaking git repo https://github.com/AwesomeARC/MCArtist
[INFO] tweaked toml for git repo https://github.com/AwesomeARC/MCArtist written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate git repo https://github.com/AwesomeARC/MCArtist already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a53d74298fa315f62a1ed4b2f27e5ee1c7d44f0a3b3bef86376b1b6b58bb2f53
[INFO] running `Command { std: "docker" "start" "-a" "a53d74298fa315f62a1ed4b2f27e5ee1c7d44f0a3b3bef86376b1b6b58bb2f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a53d74298fa315f62a1ed4b2f27e5ee1c7d44f0a3b3bef86376b1b6b58bb2f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a53d74298fa315f62a1ed4b2f27e5ee1c7d44f0a3b3bef86376b1b6b58bb2f53", kill_on_drop: false }`
[INFO] [stdout] a53d74298fa315f62a1ed4b2f27e5ee1c7d44f0a3b3bef86376b1b6b58bb2f53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79055b7371d8c7b7be9e2f174822caa88950968c0a7f3f4dbc0a25595b4b96bb
[INFO] running `Command { std: "docker" "start" "-a" "79055b7371d8c7b7be9e2f174822caa88950968c0a7f3f4dbc0a25595b4b96bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling bytemuck v1.7.0
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling bakery v0.1.0 (/opt/rustwide/workdir/src/bakery)
[INFO] [stderr]    Compiling mcartist v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `mcartist v2.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mcartist-d2b68a51a2664b28/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=./src/bakery/assets/textures
[INFO] [stderr]   cargo:rerun-if-changed=./src/bakery/baked_blocks.json
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] running `Command { std: "docker" "inspect" "79055b7371d8c7b7be9e2f174822caa88950968c0a7f3f4dbc0a25595b4b96bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79055b7371d8c7b7be9e2f174822caa88950968c0a7f3f4dbc0a25595b4b96bb", kill_on_drop: false }`
[INFO] [stdout] 79055b7371d8c7b7be9e2f174822caa88950968c0a7f3f4dbc0a25595b4b96bb