[INFO] fetching crate magic-school-bus 0.7.0...
[INFO] checking magic-school-bus-0.7.0 against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] extracting crate magic-school-bus 0.7.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate magic-school-bus 0.7.0 on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate magic-school-bus 0.7.0
[INFO] finished tweaking crates.io crate magic-school-bus 0.7.0
[INFO] tweaked toml for crates.io crate magic-school-bus 0.7.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64070507ec822b52c4381b05b906fcd202b70a6508d0a52f2dd809bba7f92124
[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" "64070507ec822b52c4381b05b906fcd202b70a6508d0a52f2dd809bba7f92124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64070507ec822b52c4381b05b906fcd202b70a6508d0a52f2dd809bba7f92124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64070507ec822b52c4381b05b906fcd202b70a6508d0a52f2dd809bba7f92124", kill_on_drop: false }`
[INFO] [stdout] 64070507ec822b52c4381b05b906fcd202b70a6508d0a52f2dd809bba7f92124
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e7dede54c478e93cac6c5ae927467ecda9c75cb0509a4f860721d8ca920f264
[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" "5e7dede54c478e93cac6c5ae927467ecda9c75cb0509a4f860721d8ca920f264", kill_on_drop: false }`
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking all_term v0.1.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking magic-school-bus v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/input_state.rs:114:41
[INFO] [stdout]     |
[INFO] [stdout] 114 |                     Key::Char(char @ '0'...'9') => {
[INFO] [stdout]     |                                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/input_state.rs:114:41
[INFO] [stdout]     |
[INFO] [stdout] 114 |                     Key::Char(char @ '0'...'9') => {
[INFO] [stdout]     |                                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/app_state.rs:217:25
[INFO] [stdout]     |
[INFO] [stdout] 213 |                 let entry = &self.entries[self.cursor];
[INFO] [stdout]     |                              ------------ immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 217 |                         self.set_working_directory(entry.path.clone());
[INFO] [stdout]     |                         ^^^^                       ---------- immutable borrow later used here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         mutable borrow occurs 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 `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/app_state.rs:217:25
[INFO] [stdout]     |
[INFO] [stdout] 213 |                 let entry = &self.entries[self.cursor];
[INFO] [stdout]     |                              ------------ immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 217 |                         self.set_working_directory(entry.path.clone());
[INFO] [stdout]     |                         ^^^^                       ---------- immutable borrow later used here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         mutable borrow occurs 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.60s
[INFO] running `Command { std: "docker" "inspect" "5e7dede54c478e93cac6c5ae927467ecda9c75cb0509a4f860721d8ca920f264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e7dede54c478e93cac6c5ae927467ecda9c75cb0509a4f860721d8ca920f264", kill_on_drop: false }`
[INFO] [stdout] 5e7dede54c478e93cac6c5ae927467ecda9c75cb0509a4f860721d8ca920f264