[INFO] crate magic-school-bus 0.5.0 is already in cache
[INFO] extracting crate magic-school-bus 0.5.0 into work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/reg/magic-school-bus/0.5.0
[INFO] extracting crate magic-school-bus 0.5.0 into work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/reg/magic-school-bus/0.5.0
[INFO] validating manifest of magic-school-bus-0.5.0 on toolchain master#df25d79a33b0c82b716699a75a41bfdc6089850a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of magic-school-bus-0.5.0 on toolchain try#424a4ae163d6517f301cd4048a4b5dd785be5b2f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing magic-school-bus-0.5.0
[INFO] finished frobbing magic-school-bus-0.5.0
[INFO] frobbed toml for magic-school-bus-0.5.0 written to work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/reg/magic-school-bus/0.5.0/Cargo.toml
[INFO] started frobbing magic-school-bus-0.5.0
[INFO] finished frobbing magic-school-bus-0.5.0
[INFO] frobbed toml for magic-school-bus-0.5.0 written to work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/reg/magic-school-bus/0.5.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking magic-school-bus-0.5.0 against master#df25d79a33b0c82b716699a75a41bfdc6089850a for pr-59928
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-59928/worker-1/master#df25d79a33b0c82b716699a75a41bfdc6089850a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/reg/magic-school-bus/0.5.0:/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" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f51bfc4cf9f25a57a38ce5b681b2cf6427a5cd74384ff245da8ada0b011060c2
[INFO] running `"docker" "start" "-a" "f51bfc4cf9f25a57a38ce5b681b2cf6427a5cd74384ff245da8ada0b011060c2"`
[INFO] [stderr]     Checking crossterm v0.4.3
[INFO] [stderr]     Checking magic-school-bus v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/state.rs:198:25
[INFO] [stderr]     |
[INFO] [stderr] 194 |                 let entry = &self.entries[self.cursor];
[INFO] [stderr]     |                              ------------ immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 198 |                         self.set_working_directory(entry.path.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 `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/state.rs:198:25
[INFO] [stderr]     |
[INFO] [stderr] 194 |                 let entry = &self.entries[self.cursor];
[INFO] [stderr]     |                              ------------ immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 198 |                         self.set_working_directory(entry.path.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 2.13s
[INFO] running `"docker" "inspect" "f51bfc4cf9f25a57a38ce5b681b2cf6427a5cd74384ff245da8ada0b011060c2"`
[INFO] running `"docker" "rm" "-f" "f51bfc4cf9f25a57a38ce5b681b2cf6427a5cd74384ff245da8ada0b011060c2"`
[INFO] [stdout] f51bfc4cf9f25a57a38ce5b681b2cf6427a5cd74384ff245da8ada0b011060c2