[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] testing Failte21/krpsim_check against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFailte21%2Fkrpsim_check" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Failte21/krpsim_check on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-2/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a725db7cfb9dd2f1aae5a1a8065fc08c8f9527bdcf86bd210cb8a95f7e126941
[INFO] running `Command { std: "docker" "start" "-a" "a725db7cfb9dd2f1aae5a1a8065fc08c8f9527bdcf86bd210cb8a95f7e126941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a725db7cfb9dd2f1aae5a1a8065fc08c8f9527bdcf86bd210cb8a95f7e126941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a725db7cfb9dd2f1aae5a1a8065fc08c8f9527bdcf86bd210cb8a95f7e126941", kill_on_drop: false }`
[INFO] [stdout] a725db7cfb9dd2f1aae5a1a8065fc08c8f9527bdcf86bd210cb8a95f7e126941
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0606e65b621b42bf2bc2c18e9251ac230804fa05e72cd5b7444e4692ce50190e
[INFO] running `Command { std: "docker" "start" "-a" "0606e65b621b42bf2bc2c18e9251ac230804fa05e72cd5b7444e4692ce50190e", kill_on_drop: false }`
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling krpsim_check v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "0606e65b621b42bf2bc2c18e9251ac230804fa05e72cd5b7444e4692ce50190e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0606e65b621b42bf2bc2c18e9251ac230804fa05e72cd5b7444e4692ce50190e", kill_on_drop: false }`
[INFO] [stdout] 0606e65b621b42bf2bc2c18e9251ac230804fa05e72cd5b7444e4692ce50190e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db68b843d80ed99dbee756466c1d4042236c314320f614bba8c5c5c9e1f0f2dc
[INFO] running `Command { std: "docker" "start" "-a" "db68b843d80ed99dbee756466c1d4042236c314320f614bba8c5c5c9e1f0f2dc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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 test [unoptimized + debuginfo] target(s) in 10.49s
[INFO] running `Command { std: "docker" "inspect" "db68b843d80ed99dbee756466c1d4042236c314320f614bba8c5c5c9e1f0f2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db68b843d80ed99dbee756466c1d4042236c314320f614bba8c5c5c9e1f0f2dc", kill_on_drop: false }`
[INFO] [stdout] db68b843d80ed99dbee756466c1d4042236c314320f614bba8c5c5c9e1f0f2dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 44469db3d8b0a2ca66f42efee32d1fea406005beab231d9319111ed3f1719eac
[INFO] running `Command { std: "docker" "start" "-a" "44469db3d8b0a2ca66f42efee32d1fea406005beab231d9319111ed3f1719eac", kill_on_drop: false }`
[INFO] [stderr] warning: cannot borrow `inventory` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/check.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |         match inventory.get(&resource_needed.name) {
[INFO] [stderr]    |               --------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 16 |                 inventory.insert(resource_needed.name.clone(), n_items - resource_needed.quantity);
[INFO] [stderr]    |                 ^^^^^^^^^ mutable borrow occurs here           ------- immutable borrow later used 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 `inventory` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/check.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |         match inventory.get(&resource_created.name) {
[INFO] [stderr]    |               --------- immutable borrow occurs here
[INFO] [stderr] 25 |             Some (n_items) => {
[INFO] [stderr] 26 |                 inventory.insert(resource_created.name.clone(), n_items + resource_created.quantity);
[INFO] [stderr]    |                 ^^^^^^^^^ mutable borrow occurs here            ------- immutable borrow later used here
[INFO] [stderr]    |
[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: function is never used: `display_inventory`
[INFO] [stderr]   --> src/ast.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn display_inventory(inventory: &Inventory) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `krpsim_check` (lib test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/krpsim_check-e913fe31dfa51738)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test check_tests::happy_path ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/krpsim_check-78bcf4380a2f0a72)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests krpsim_check
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "44469db3d8b0a2ca66f42efee32d1fea406005beab231d9319111ed3f1719eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44469db3d8b0a2ca66f42efee32d1fea406005beab231d9319111ed3f1719eac", kill_on_drop: false }`
[INFO] [stdout] 44469db3d8b0a2ca66f42efee32d1fea406005beab231d9319111ed3f1719eac