[INFO] updating cached repository https://github.com/Phantom217/ros
[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] [stderr] From https://github.com/Phantom217/ros
[INFO] [stderr]  - [deleted]         (none)     -> cpu_exceptions
[INFO] [stderr]  - [deleted]         (none)     -> double_faults
[INFO] [stderr]  - [deleted]         (none)     -> interrupts
[INFO] [stderr]  - [deleted]         (none)     -> paging
[INFO] [stderr]  - [deleted]         (none)     -> testing
[INFO] [stderr] warning: no common commits
[INFO] [stderr]  * [new branch]      freestanding-binary -> freestanding-binary
[INFO] [stderr]  + 2399ddb...e4c12d5 master              -> master  (forced update)
[INFO] [stderr]  * [new branch]      minimal-kernel      -> minimal-kernel
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e4c12d561abf03670b48494aae9a1e623acc9031
[INFO] checking Phantom217/ros against try#879b8cb7dc2ad9102994457e73cf78d124926ea5 for pr-73084
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhantom217%2Fros" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Phantom217/ros on toolchain 879b8cb7dc2ad9102994457e73cf78d124926ea5
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Phantom217/ros
[INFO] finished tweaking git repo https://github.com/Phantom217/ros
[INFO] tweaked toml for git repo https://github.com/Phantom217/ros written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Phantom217/ros already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "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] 6a337f3d25054ca448e2196d94fa2676dc0e94ce18c7ac3ebcb41ad1420012ad
[INFO] running `"docker" "start" "-a" "6a337f3d25054ca448e2196d94fa2676dc0e94ce18c7ac3ebcb41ad1420012ad"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling bootloader v0.9.2
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `x86_64-ros-7180190058042348116` target may not be installed
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `x86_64-ros-7180190058042348116` target may not be installed
[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: 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 `bootloader`.
[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" "6a337f3d25054ca448e2196d94fa2676dc0e94ce18c7ac3ebcb41ad1420012ad"`
[INFO] running `"docker" "rm" "-f" "6a337f3d25054ca448e2196d94fa2676dc0e94ce18c7ac3ebcb41ad1420012ad"`
[INFO] [stdout] 6a337f3d25054ca448e2196d94fa2676dc0e94ce18c7ac3ebcb41ad1420012ad