[INFO] updating cached repository https://github.com/dufkan/rush
[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] 1fefba20174a32dfd522185883bf638a71105d2b
[INFO] checking dufkan/rush against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdufkan%2Frush" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dufkan/rush on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dufkan/rush
[INFO] finished tweaking git repo https://github.com/dufkan/rush
[INFO] tweaked toml for git repo https://github.com/dufkan/rush written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/dufkan/rush already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 3fa0a77a9fc38ab9df8bd96c7bf25e723796dc23aebf257e631cebc4efb70aac
[INFO] running `"docker" "start" "-a" "3fa0a77a9fc38ab9df8bd96c7bf25e723796dc23aebf257e631cebc4efb70aac"`
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking directories v1.0.2
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking toml v0.5.0
[INFO] [stderr]     Checking rush v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: cannot borrow `*exec` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/shell.rs:192:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |             let command = exec.args().first();
[INFO] [stderr]     |                           ---- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 192 |                 exec.set_kind(match command.as_str() {
[INFO] [stderr]     |                 ^^^^                ------- immutable borrow later used here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `*exec` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/shell.rs:192:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |             let command = exec.args().first();
[INFO] [stderr]     |                           ---- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 192 |                 exec.set_kind(match command.as_str() {
[INFO] [stderr]     |                 ^^^^                ------- immutable borrow later used here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.93s
[INFO] running `"docker" "inspect" "3fa0a77a9fc38ab9df8bd96c7bf25e723796dc23aebf257e631cebc4efb70aac"`
[INFO] running `"docker" "rm" "-f" "3fa0a77a9fc38ab9df8bd96c7bf25e723796dc23aebf257e631cebc4efb70aac"`
[INFO] [stdout] 3fa0a77a9fc38ab9df8bd96c7bf25e723796dc23aebf257e631cebc4efb70aac