[INFO] updating cached repository https://github.com/2over12/rure
[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] 7c0864e32d5a87a5d067c8340ba2c9dceb65bc56
[INFO] checking 2over12/rure against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2over12%2Frure" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/2over12/rure on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/2over12/rure
[INFO] finished tweaking git repo https://github.com/2over12/rure
[INFO] tweaked toml for git repo https://github.com/2over12/rure written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/2over12/rure already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 6bb0aaef18e6b057d0d2200b534cde3aa6d6287fe34de8071896c37949db9269
[INFO] running `"docker" "start" "-a" "6bb0aaef18e6b057d0d2200b534cde3aa6d6287fe34de8071896c37949db9269"`
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling compiletest_rs v0.3.19
[INFO] [stderr]     Checking text_io v0.1.7
[INFO] [stderr]     Checking diff v0.1.11
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]     Checking regex v1.1.2
[INFO] [stderr]     Checking tester v0.5.0
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking backtrace v0.3.14
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking rsmt2 v0.10.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking rure v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr] error[E0463]: can't find crate for `rustc_driver`
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | extern crate rustc_driver;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `rure`.
[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" "6bb0aaef18e6b057d0d2200b534cde3aa6d6287fe34de8071896c37949db9269"`
[INFO] running `"docker" "rm" "-f" "6bb0aaef18e6b057d0d2200b534cde3aa6d6287fe34de8071896c37949db9269"`
[INFO] [stdout] 6bb0aaef18e6b057d0d2200b534cde3aa6d6287fe34de8071896c37949db9269
