[INFO] updating cached repository https://github.com/hediet/merch
[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] fcbb247b38812d054665d23e9335e93ef969fc0d
[INFO] checking hediet/merch against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhediet%2Fmerch" "/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/hediet/merch on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hediet/merch
[INFO] finished tweaking git repo https://github.com/hediet/merch
[INFO] tweaked toml for git repo https://github.com/hediet/merch written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/hediet/merch already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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=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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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] 69a85ebcfa39364d84cfeb0f840e5fa8d42e1740bdc4fa6185eee76a984234cc
[INFO] running `"docker" "start" "-a" "69a85ebcfa39364d84cfeb0f840e5fa8d42e1740bdc4fa6185eee76a984234cc"`
[INFO] [stderr]     Checking pathdiff v0.1.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking blake2 v0.8.0
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking merch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: cannot borrow `*context.renames` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/split_file.rs:234:17
[INFO] [stderr]     |
[INFO] [stderr] 224 |     match context.renames.get(&from) {
[INFO] [stderr]     |           --------------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 234 |                 context.renames.insert(tmp.clone(), to.clone());
[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 `*context.renames` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/split_file.rs:234:17
[INFO] [stderr]     |
[INFO] [stderr] 224 |     match context.renames.get(&from) {
[INFO] [stderr]     |           --------------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 234 |                 context.renames.insert(tmp.clone(), to.clone());
[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 14.36s
[INFO] running `"docker" "inspect" "69a85ebcfa39364d84cfeb0f840e5fa8d42e1740bdc4fa6185eee76a984234cc"`
[INFO] running `"docker" "rm" "-f" "69a85ebcfa39364d84cfeb0f840e5fa8d42e1740bdc4fa6185eee76a984234cc"`
[INFO] [stdout] 69a85ebcfa39364d84cfeb0f840e5fa8d42e1740bdc4fa6185eee76a984234cc