[INFO] cloning repository https://github.com/MidasLamb/HashCode2021 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MidasLamb/HashCode2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMidasLamb%2FHashCode2021", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMidasLamb%2FHashCode2021'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] eaf7ef755c8e931f3b7b6674cda4973775a92a3c [INFO] checking MidasLamb/HashCode2021/eaf7ef755c8e931f3b7b6674cda4973775a92a3c against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMidasLamb%2FHashCode2021" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MidasLamb/HashCode2021 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MidasLamb/HashCode2021 [INFO] finished tweaking git repo https://github.com/MidasLamb/HashCode2021 [INFO] tweaked toml for git repo https://github.com/MidasLamb/HashCode2021 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/MidasLamb/HashCode2021 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: lib.metaheuristics [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded metaheuristics v1.0.15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3e3ba44ee317d4c44b788cecbfbef215005cc57d13dae24123b2eb1d43535d56 [INFO] running `Command { std: "docker" "start" "-a" "3e3ba44ee317d4c44b788cecbfbef215005cc57d13dae24123b2eb1d43535d56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e3ba44ee317d4c44b788cecbfbef215005cc57d13dae24123b2eb1d43535d56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e3ba44ee317d4c44b788cecbfbef215005cc57d13dae24123b2eb1d43535d56", kill_on_drop: false }` [INFO] [stdout] 3e3ba44ee317d4c44b788cecbfbef215005cc57d13dae24123b2eb1d43535d56 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 33c2783b6a4c811b9c041319a6069ef897ce1e8fc90dd7069d8f42eb6af88ad2 [INFO] running `Command { std: "docker" "start" "-a" "33c2783b6a4c811b9c041319a6069ef897ce1e8fc90dd7069d8f42eb6af88ad2", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: lib.metaheuristics [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling miniz_oxide v0.3.7 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling byteorder v1.4.2 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling flate2 v1.0.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling bzip2-sys v0.1.10+1.0.8 [INFO] [stderr] Checking metaheuristics v1.0.15 [INFO] [stderr] Compiling bzip2 v0.3.3 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling thiserror v1.0.24 [INFO] [stderr] Compiling zip v0.5.10 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Compiling hash-code-2021 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `hash-code-2021 v0.1.0 (/opt/rustwide/workdir)` [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/hash-code-2021-b6ae2c1d812a6900/build-script-build` (exit status: 1) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rerun-if-changed=src [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] running `Command { std: "docker" "inspect" "33c2783b6a4c811b9c041319a6069ef897ce1e8fc90dd7069d8f42eb6af88ad2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33c2783b6a4c811b9c041319a6069ef897ce1e8fc90dd7069d8f42eb6af88ad2", kill_on_drop: false }` [INFO] [stdout] 33c2783b6a4c811b9c041319a6069ef897ce1e8fc90dd7069d8f42eb6af88ad2