[INFO] updating cached repository https://github.com/nojima/fridge
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4d07b1d0dd6fc38a9a94c51d9e35c7d636b634c0
[INFO] checking nojima/fridge against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnojima%2Ffridge" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nojima/fridge on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nojima/fridge
[INFO] finished tweaking git repo https://github.com/nojima/fridge
[INFO] tweaked toml for git repo https://github.com/nojima/fridge written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/nojima/fridge already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c51b0d2da8c77c2b8855605b74288c5f62b282648b148391eceeefc0805ac111
[INFO] running `"docker" "start" "-a" "c51b0d2da8c77c2b8855605b74288c5f62b282648b148391eceeefc0805ac111"`
[INFO] [stderr]    Compiling protobuf v2.0.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling regex v1.0.3
[INFO] [stderr]    Compiling ryu v0.2.5
[INFO] [stderr]     Checking termcolor v1.0.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling protoc v2.0.4
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling bytes v0.4.9
[INFO] [stderr]    Compiling syn v0.15.17
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]     Checking env_logger v0.5.12
[INFO] [stderr]    Compiling serde_derive v1.0.75
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling protobuf-codegen v2.0.4
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]    Compiling protoc-rust v2.0.4
[INFO] [stderr]    Compiling fridge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> build.rs:6:29
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]   |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `fridge v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/fridge-196dcf324b767fe7/build-script-build` (exit code: 1)
[INFO] [stderr] --- stderr
[INFO] [stderr] Error: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "c51b0d2da8c77c2b8855605b74288c5f62b282648b148391eceeefc0805ac111"`
[INFO] running `"docker" "rm" "-f" "c51b0d2da8c77c2b8855605b74288c5f62b282648b148391eceeefc0805ac111"`
[INFO] [stdout] c51b0d2da8c77c2b8855605b74288c5f62b282648b148391eceeefc0805ac111
