[INFO] fetching crate cargo-cuddle 0.2.0-w-0...
[INFO] checking cargo-cuddle-0.2.0-w-0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate cargo-cuddle 0.2.0-w-0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate cargo-cuddle 0.2.0-w-0
[INFO] finished tweaking crates.io crate cargo-cuddle 0.2.0-w-0
[INFO] tweaked toml for crates.io crate cargo-cuddle 0.2.0-w-0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-cuddle 0.2.0-w-0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-cuddle 0.2.0-w-0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded owo-colors v1.3.0
[INFO] [stderr]   Downloaded anyhow v1.0.62
[INFO] [stderr]   Downloaded uwuify v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a69f58dcce4fbe57f38edea648cf17e803a3f5b5d1b713ff4f4af7ec580cb1e
[INFO] running `Command { std: "docker" "start" "-a" "1a69f58dcce4fbe57f38edea648cf17e803a3f5b5d1b713ff4f4af7ec580cb1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a69f58dcce4fbe57f38edea648cf17e803a3f5b5d1b713ff4f4af7ec580cb1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a69f58dcce4fbe57f38edea648cf17e803a3f5b5d1b713ff4f4af7ec580cb1e", kill_on_drop: false }`
[INFO] [stdout] 1a69f58dcce4fbe57f38edea648cf17e803a3f5b5d1b713ff4f4af7ec580cb1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a438f9c7873189887d9c449cb1d7b3089846f4020965a1d7f96a616f6129d97
[INFO] running `Command { std: "docker" "start" "-a" "7a438f9c7873189887d9c449cb1d7b3089846f4020965a1d7f96a616f6129d97", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling anyhow v1.0.62
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]    Compiling cargo-cuddle v0.2.0-w-0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr] error: failed to run custom build command for `cargo-cuddle v0.2.0-w-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/cargo-cuddle-cdc482990445e886/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" "7a438f9c7873189887d9c449cb1d7b3089846f4020965a1d7f96a616f6129d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a438f9c7873189887d9c449cb1d7b3089846f4020965a1d7f96a616f6129d97", kill_on_drop: false }`
[INFO] [stdout] 7a438f9c7873189887d9c449cb1d7b3089846f4020965a1d7f96a616f6129d97