[INFO] cloning repository https://github.com/anguslees/freestack [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anguslees/freestack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanguslees%2Ffreestack"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanguslees%2Ffreestack'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2723c59a15df75cffe0ca0232d9727727e20d3d1 [INFO] testing anguslees/freestack against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanguslees%2Ffreestack" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/anguslees/freestack on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/anguslees/freestack [INFO] finished tweaking git repo https://github.com/anguslees/freestack [INFO] tweaked toml for git repo https://github.com/anguslees/freestack written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/anguslees/freestack already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded gj v0.1.2 [INFO] [stderr] Downloaded capnp-rpc v0.6.3 [INFO] [stderr] Downloaded capnp-gj v0.1.0 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stdout] d497207d5e42ccdba227ccd923c17f29df579e5b117f4848db65f79b2ef40095 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "d497207d5e42ccdba227ccd923c17f29df579e5b117f4848db65f79b2ef40095"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling winapi v0.2.8 [INFO] [stderr] Compiling bitflags v0.4.0 [INFO] [stderr] Compiling bytes v0.3.0 [INFO] [stderr] Compiling slab v0.1.3 [INFO] [stderr] Compiling byteorder v0.4.2 [INFO] [stderr] Compiling syn v1.0.30 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling pin-project-lite v0.1.7 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling nix v0.4.3 [INFO] [stderr] Compiling http v0.2.1 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling nix v0.5.1 [INFO] [stderr] Compiling socket2 v0.3.12 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling ws2_32-sys v0.2.1 [INFO] [stderr] Compiling miow v0.1.5 [INFO] [stderr] Compiling tokio v0.2.21 [INFO] [stderr] Compiling mio v0.5.1 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling gj v0.1.2 [INFO] [stderr] Compiling capnp v0.6.2 [INFO] [stderr] error[E0502]: cannot borrow `*reff` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/capnp-0.6.2/src/private/layout.rs:639:47 [INFO] [stderr] | [INFO] [stderr] 639 | let ptr = try!(follow_fars(&mut reff, (*reff).target(), &mut segment)); [INFO] [stderr] | ----------- --------- ^^^^^^^ immutable borrow occurs here [INFO] [stderr] | | | [INFO] [stderr] | | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used by call [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0502`. [INFO] [stderr] error: could not compile `capnp`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "d497207d5e42ccdba227ccd923c17f29df579e5b117f4848db65f79b2ef40095"` [INFO] running `"docker" "rm" "-f" "d497207d5e42ccdba227ccd923c17f29df579e5b117f4848db65f79b2ef40095"` [INFO] [stdout] d497207d5e42ccdba227ccd923c17f29df579e5b117f4848db65f79b2ef40095