[INFO] cloning repository https://github.com/Failte21/krpsim_check
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Failte21/krpsim_check" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFailte21%2Fkrpsim_check", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFailte21%2Fkrpsim_check'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 689c0ed06ca277ef64a2852fed3268cd954258e1
[INFO] checking Failte21/krpsim_check against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFailte21%2Fkrpsim_check" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Failte21/krpsim_check on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Failte21/krpsim_check
[INFO] finished tweaking git repo https://github.com/Failte21/krpsim_check
[INFO] tweaked toml for git repo https://github.com/Failte21/krpsim_check written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Failte21/krpsim_check already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ca108a18f87f005dd9e74693e20648780311703d73013cda65f4c629ce2c9b9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8ca108a18f87f005dd9e74693e20648780311703d73013cda65f4c629ce2c9b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ca108a18f87f005dd9e74693e20648780311703d73013cda65f4c629ce2c9b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca108a18f87f005dd9e74693e20648780311703d73013cda65f4c629ce2c9b9", kill_on_drop: false }`
[INFO] [stdout] 8ca108a18f87f005dd9e74693e20648780311703d73013cda65f4c629ce2c9b9
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bf7d9e8a197157c698b20856693d55ee88d417a85be089482c8d6150773920a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7bf7d9e8a197157c698b20856693d55ee88d417a85be089482c8d6150773920a", kill_on_drop: false }`
[INFO] [stderr]     Checking krpsim_check v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: cannot borrow `inventory` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/check.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |         match inventory.get(&resource_needed.name) {
[INFO] [stdout]    |               --------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 16 |                 inventory.insert(resource_needed.name.clone(), n_items - resource_needed.quantity);
[INFO] [stdout]    |                 ^^^^^^^^^ mutable borrow occurs here           ------- immutable borrow later used here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `inventory` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/check.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |         match inventory.get(&resource_created.name) {
[INFO] [stdout]    |               --------- immutable borrow occurs here
[INFO] [stdout] 25 |             Some (n_items) => {
[INFO] [stdout] 26 |                 inventory.insert(resource_created.name.clone(), n_items + resource_created.quantity);
[INFO] [stdout]    |                 ^^^^^^^^^ mutable borrow occurs here            ------- immutable borrow later used here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `display_inventory`
[INFO] [stdout]   --> src/ast.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn display_inventory(inventory: &Inventory) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "7bf7d9e8a197157c698b20856693d55ee88d417a85be089482c8d6150773920a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bf7d9e8a197157c698b20856693d55ee88d417a85be089482c8d6150773920a", kill_on_drop: false }`
[INFO] [stdout] 7bf7d9e8a197157c698b20856693d55ee88d417a85be089482c8d6150773920a