[INFO] crate magic-school-bus 0.7.0 is already in cache
[INFO] extracting crate magic-school-bus 0.7.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/magic-school-bus/0.7.0
[INFO] extracting crate magic-school-bus 0.7.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/magic-school-bus/0.7.0
[INFO] validating manifest of magic-school-bus-0.7.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of magic-school-bus-0.7.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing magic-school-bus-0.7.0
[INFO] finished frobbing magic-school-bus-0.7.0
[INFO] frobbed toml for magic-school-bus-0.7.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/magic-school-bus/0.7.0/Cargo.toml
[INFO] started frobbing magic-school-bus-0.7.0
[INFO] finished frobbing magic-school-bus-0.7.0
[INFO] frobbed toml for magic-school-bus-0.7.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/magic-school-bus/0.7.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing magic-school-bus-0.7.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/magic-school-bus/0.7.0:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f9212d423c8f318ad2a315b4bc8f310ec7d0469a925e3d2473c915ba35770387
[INFO] running `"docker" "start" "-a" "f9212d423c8f318ad2a315b4bc8f310ec7d0469a925e3d2473c915ba35770387"`
[INFO] [stderr]    Compiling all_term v0.1.0
[INFO] [stderr]    Compiling magic-school-bus v0.7.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/input_state.rs:114:41
[INFO] [stderr]     |
[INFO] [stderr] 114 |                     Key::Char(char @ '0'...'9') => {
[INFO] [stderr]     |                                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/app_state.rs:217:25
[INFO] [stderr]     |
[INFO] [stderr] 213 |                 let entry = &self.entries[self.cursor];
[INFO] [stderr]     |                              ------------ immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 217 |                         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 4.37s
[INFO] running `"docker" "inspect" "f9212d423c8f318ad2a315b4bc8f310ec7d0469a925e3d2473c915ba35770387"`
[INFO] running `"docker" "rm" "-f" "f9212d423c8f318ad2a315b4bc8f310ec7d0469a925e3d2473c915ba35770387"`
[INFO] [stdout] f9212d423c8f318ad2a315b4bc8f310ec7d0469a925e3d2473c915ba35770387
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/magic-school-bus/0.7.0:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 78d494662c365a11bbc6a1f8d4244e24122070645cfc8a53ee158fd98e76833a
[INFO] running `"docker" "start" "-a" "78d494662c365a11bbc6a1f8d4244e24122070645cfc8a53ee158fd98e76833a"`
[INFO] [stderr]    Compiling magic-school-bus v0.7.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/input_state.rs:114:41
[INFO] [stderr]     |
[INFO] [stderr] 114 |                     Key::Char(char @ '0'...'9') => {
[INFO] [stderr]     |                                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/app_state.rs:217:25
[INFO] [stderr]     |
[INFO] [stderr] 213 |                 let entry = &self.entries[self.cursor];
[INFO] [stderr]     |                              ------------ immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 217 |                         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 1.61s
[INFO] running `"docker" "inspect" "78d494662c365a11bbc6a1f8d4244e24122070645cfc8a53ee158fd98e76833a"`
[INFO] running `"docker" "rm" "-f" "78d494662c365a11bbc6a1f8d4244e24122070645cfc8a53ee158fd98e76833a"`
[INFO] [stdout] 78d494662c365a11bbc6a1f8d4244e24122070645cfc8a53ee158fd98e76833a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/magic-school-bus/0.7.0:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 57c981acd54f9f7ed8166e7af476a3a995badcc6d6f8f36a72db974a0a072a12
[INFO] running `"docker" "start" "-a" "57c981acd54f9f7ed8166e7af476a3a995badcc6d6f8f36a72db974a0a072a12"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/msb-9597ff654651160a
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test virtual_screen::test::get_and_set ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "57c981acd54f9f7ed8166e7af476a3a995badcc6d6f8f36a72db974a0a072a12"`
[INFO] running `"docker" "rm" "-f" "57c981acd54f9f7ed8166e7af476a3a995badcc6d6f8f36a72db974a0a072a12"`
[INFO] [stdout] 57c981acd54f9f7ed8166e7af476a3a995badcc6d6f8f36a72db974a0a072a12