[INFO] fetching crate brilfmt 0.1.0...
[INFO] testing brilfmt-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate brilfmt 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate brilfmt 0.1.0
[INFO] finished tweaking crates.io crate brilfmt 0.1.0
[INFO] tweaked toml for crates.io crate brilfmt 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate brilfmt 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate brilfmt 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f98c6d982d2a2644bfa42c6f2386c8e775516263dc3e846e9167ca1a133400e6
[INFO] running `Command { std: "docker" "start" "-a" "f98c6d982d2a2644bfa42c6f2386c8e775516263dc3e846e9167ca1a133400e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f98c6d982d2a2644bfa42c6f2386c8e775516263dc3e846e9167ca1a133400e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f98c6d982d2a2644bfa42c6f2386c8e775516263dc3e846e9167ca1a133400e6", kill_on_drop: false }`
[INFO] [stdout] f98c6d982d2a2644bfa42c6f2386c8e775516263dc3e846e9167ca1a133400e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68bd03b5b051d4cda04f82084fab2045d91941d2b967e53847d432088985abd5
[INFO] running `Command { std: "docker" "start" "-a" "68bd03b5b051d4cda04f82084fab2045d91941d2b967e53847d432088985abd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling winnow v0.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling annotate-snippets v0.11.5
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling logos-codegen v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling snafu-derive v0.8.5
[INFO] [stderr]    Compiling logos-derive v0.15.0
[INFO] [stderr]    Compiling logos v0.15.0
[INFO] [stderr]    Compiling snafu v0.8.5
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling toml_edit v0.22.23
[INFO] [stderr]    Compiling toml v0.8.19
[INFO] [stderr]    Compiling cargo_toml v0.21.0
[INFO] [stderr]    Compiling inform v0.3.4
[INFO] [stderr] error: failed to run custom build command for `inform v0.3.4`
[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/inform-d2c3396b142803a6/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] running `Command { std: "docker" "inspect" "68bd03b5b051d4cda04f82084fab2045d91941d2b967e53847d432088985abd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68bd03b5b051d4cda04f82084fab2045d91941d2b967e53847d432088985abd5", kill_on_drop: false }`
[INFO] [stdout] 68bd03b5b051d4cda04f82084fab2045d91941d2b967e53847d432088985abd5