[INFO] updating cached repository pie-flavor/yahtzee
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pie-flavor/yahtzee
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pie-flavor/yahtzee" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/pie-flavor/yahtzee"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/pie-flavor/yahtzee'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pie-flavor/yahtzee" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/pie-flavor/yahtzee"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/pie-flavor/yahtzee'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 09e052acf60ab9536e2ed6c67317ac887ad4baaf
[INFO] sha for GitHub repo pie-flavor/yahtzee: 09e052acf60ab9536e2ed6c67317ac887ad4baaf
[INFO] validating manifest of pie-flavor/yahtzee on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pie-flavor/yahtzee on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pie-flavor/yahtzee
[INFO] finished frobbing pie-flavor/yahtzee
[INFO] frobbed toml for pie-flavor/yahtzee written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/pie-flavor/yahtzee/Cargo.toml
[INFO] started frobbing pie-flavor/yahtzee
[INFO] finished frobbing pie-flavor/yahtzee
[INFO] frobbed toml for pie-flavor/yahtzee written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/pie-flavor/yahtzee/Cargo.toml
[INFO] crate pie-flavor/yahtzee already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking pie-flavor/yahtzee against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-1/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/pie-flavor/yahtzee:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7ad59ac53388e87a8c9d3a4a6f9b8efcf3b60db4a43d1403afe60fce60e4a41d
[INFO] running `"docker" "start" "-a" "7ad59ac53388e87a8c9d3a4a6f9b8efcf3b60db4a43d1403afe60fce60e4a41d"`
[INFO] [stderr]     Checking if_chain v0.1.3
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]     Checking uuid v0.7.2
[INFO] [stderr]    Compiling rocket_http v0.4.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling rocket_codegen v0.4.0
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking rocket v0.4.0
[INFO] [stderr]     Checking rocket_contrib v0.4.0
[INFO] [stderr]     Checking yahtzee v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: cannot borrow `cookies` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/lib.rs:331:9
[INFO] [stderr]     |
[INFO] [stderr] 330 |     if let Some(cookie) = cookies.get("id") {
[INFO] [stderr]     |                           ------- immutable borrow occurs here
[INFO] [stderr] 331 |         cookies.remove(cookie.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 `cookies` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/lib.rs:331:9
[INFO] [stderr]     |
[INFO] [stderr] 330 |     if let Some(cookie) = cookies.get("id") {
[INFO] [stderr]     |                           ------- immutable borrow occurs here
[INFO] [stderr] 331 |         cookies.remove(cookie.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 49.89s
[INFO] running `"docker" "inspect" "7ad59ac53388e87a8c9d3a4a6f9b8efcf3b60db4a43d1403afe60fce60e4a41d"`
[INFO] running `"docker" "rm" "-f" "7ad59ac53388e87a8c9d3a4a6f9b8efcf3b60db4a43d1403afe60fce60e4a41d"`
[INFO] [stdout] 7ad59ac53388e87a8c9d3a4a6f9b8efcf3b60db4a43d1403afe60fce60e4a41d