[INFO] crate rgen3-save 0.1.0 is already in cache
[INFO] extracting crate rgen3-save 0.1.0 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/rgen3-save/0.1.0
[INFO] extracting crate rgen3-save 0.1.0 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/rgen3-save/0.1.0
[INFO] validating manifest of rgen3-save-0.1.0 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rgen3-save-0.1.0 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rgen3-save-0.1.0
[INFO] removed path dependency rgen3-string from rgen3-save-0.1.0
[INFO] finished frobbing rgen3-save-0.1.0
[INFO] frobbed toml for rgen3-save-0.1.0 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/rgen3-save/0.1.0/Cargo.toml
[INFO] started frobbing rgen3-save-0.1.0
[INFO] removed path dependency rgen3-string from rgen3-save-0.1.0
[INFO] finished frobbing rgen3-save-0.1.0
[INFO] frobbed toml for rgen3-save-0.1.0 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/rgen3-save/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rgen3-save-0.1.0 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/rgen3-save/0.1.0:/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 067ef74d1c5fdb678b3fde05400de75099aadc6f78182b0ded027d7e5d1eb906
[INFO] running `"docker" "start" "-a" "067ef74d1c5fdb678b3fde05400de75099aadc6f78182b0ded027d7e5d1eb906"`
[INFO] [stderr]     Checking rgen3-string v0.1.0
[INFO] [stderr]     Checking rgen3-save v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/rw.rs:42:58
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn read<R: Read>(reader: &mut R) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:132:92
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn read<R: Read + Seek>(reader: &mut R, session: &mut ReadSession) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:242:72
[INFO] [stderr]     |
[INFO] [stderr] 242 |     fn read<R: Read + Seek>(reader: &mut R) -> Result<(Self, u32), Box<Error>> {
[INFO] [stderr]     |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:286:69
[INFO] [stderr]     |
[INFO] [stderr] 286 |     pub fn read<R: Read + Seek>(reader: &mut R) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:317:58
[INFO] [stderr]     |
[INFO] [stderr] 317 |     fn read<R: Read>(reader: &mut R) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:367:81
[INFO] [stderr]     |
[INFO] [stderr] 367 |     fn read<R: Read>(reader: &mut R, session: &ReadSession) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:410:79
[INFO] [stderr]     |
[INFO] [stderr] 410 |     fn read<R: Read>(reader: &mut R, game_type: GameType) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:456:58
[INFO] [stderr]     |
[INFO] [stderr] 456 |     fn read<R: Read>(reader: &mut R) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:596:79
[INFO] [stderr]     |
[INFO] [stderr] 596 |     fn read<R: Read>(reader: &mut R, pv: u32, ot_id: u32) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:650:68
[INFO] [stderr]     |
[INFO] [stderr] 650 |                              -> Result<[u8; SUBSTRUCTURE_LEN], Box<Error>> {
[INFO] [stderr]     |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:673:72
[INFO] [stderr]     |
[INFO] [stderr] 673 |     fn read<R: Read>(reader: &mut R, dec_key: u32) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:696:72
[INFO] [stderr]     |
[INFO] [stderr] 696 |     fn read<R: Read>(reader: &mut R, dec_key: u32) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:723:72
[INFO] [stderr]     |
[INFO] [stderr] 723 |     fn read<R: Read>(reader: &mut R, dec_key: u32) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:758:72
[INFO] [stderr]     |
[INFO] [stderr] 758 |     fn read<R: Read>(reader: &mut R, dec_key: u32) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:39:72
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn load_from_file<P: AsRef<Path>>(path: P) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/rw.rs:42:58
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn read<R: Read>(reader: &mut R) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:132:92
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn read<R: Read + Seek>(reader: &mut R, session: &mut ReadSession) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:242:72
[INFO] [stderr]     |
[INFO] [stderr] 242 |     fn read<R: Read + Seek>(reader: &mut R) -> Result<(Self, u32), Box<Error>> {
[INFO] [stderr]     |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:286:69
[INFO] [stderr]     |
[INFO] [stderr] 286 |     pub fn read<R: Read + Seek>(reader: &mut R) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:317:58
[INFO] [stderr]     |
[INFO] [stderr] 317 |     fn read<R: Read>(reader: &mut R) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:367:81
[INFO] [stderr]     |
[INFO] [stderr] 367 |     fn read<R: Read>(reader: &mut R, session: &ReadSession) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:410:79
[INFO] [stderr]     |
[INFO] [stderr] 410 |     fn read<R: Read>(reader: &mut R, game_type: GameType) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:456:58
[INFO] [stderr]     |
[INFO] [stderr] 456 |     fn read<R: Read>(reader: &mut R) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:596:79
[INFO] [stderr]     |
[INFO] [stderr] 596 |     fn read<R: Read>(reader: &mut R, pv: u32, ot_id: u32) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:650:68
[INFO] [stderr]     |
[INFO] [stderr] 650 |                              -> Result<[u8; SUBSTRUCTURE_LEN], Box<Error>> {
[INFO] [stderr]     |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:673:72
[INFO] [stderr]     |
[INFO] [stderr] 673 |     fn read<R: Read>(reader: &mut R, dec_key: u32) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:696:72
[INFO] [stderr]     |
[INFO] [stderr] 696 |     fn read<R: Read>(reader: &mut R, dec_key: u32) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:723:72
[INFO] [stderr]     |
[INFO] [stderr] 723 |     fn read<R: Read>(reader: &mut R, dec_key: u32) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rw.rs:758:72
[INFO] [stderr]     |
[INFO] [stderr] 758 |     fn read<R: Read>(reader: &mut R, dec_key: u32) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:39:72
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn load_from_file<P: AsRef<Path>>(path: P) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning[E0503]: cannot use `block.sections[_].data` because it was mutably borrowed
[INFO] [stderr]   --> src/lib.rs:56:35
[INFO] [stderr]    |
[INFO] [stderr] 48 |       pub fn sections(&mut self) -> SaveSections {
[INFO] [stderr]    |                       - let's call the lifetime of this reference `'1`
[INFO] [stderr] 49 |           let block = &mut self.blocks[self.most_recent_index];
[INFO] [stderr] 50 |           let team_and_items = if let SectionData::TeamAndItems(ref mut data) =
[INFO] [stderr]    |                                                                 ------------ borrow of `block.sections[_].data.0` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 56 |           let trainer_info = if let SectionData::TrainerInfo(ref mut data) =
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of borrowed `block.sections[_].data.0`
[INFO] [stderr] ...
[INFO] [stderr] 62 | /         SaveSections {
[INFO] [stderr] 63 | |             team: &mut team_and_items.team,
[INFO] [stderr] 64 | |             trainer: trainer_info,
[INFO] [stderr] 65 | |         }
[INFO] [stderr]    | |_________- returning this value requires that `block.sections[_].data.0` is borrowed for `'1`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `associated_consts` has been stable since 1.20.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(associated_consts, question_mark)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(associated_consts, question_mark)]
[INFO] [stderr]   |                               ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning[E0503]: cannot use `block.sections[_].data` because it was mutably borrowed
[INFO] [stderr]   --> src/lib.rs:56:35
[INFO] [stderr]    |
[INFO] [stderr] 48 |       pub fn sections(&mut self) -> SaveSections {
[INFO] [stderr]    |                       - let's call the lifetime of this reference `'1`
[INFO] [stderr] 49 |           let block = &mut self.blocks[self.most_recent_index];
[INFO] [stderr] 50 |           let team_and_items = if let SectionData::TeamAndItems(ref mut data) =
[INFO] [stderr]    |                                                                 ------------ borrow of `block.sections[_].data.0` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 56 |           let trainer_info = if let SectionData::TrainerInfo(ref mut data) =
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of borrowed `block.sections[_].data.0`
[INFO] [stderr] ...
[INFO] [stderr] 62 | /         SaveSections {
[INFO] [stderr] 63 | |             team: &mut team_and_items.team,
[INFO] [stderr] 64 | |             trainer: trainer_info,
[INFO] [stderr] 65 | |         }
[INFO] [stderr]    | |_________- returning this value requires that `block.sections[_].data.0` is borrowed for `'1`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `associated_consts` has been stable since 1.20.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(associated_consts, question_mark)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(associated_consts, question_mark)]
[INFO] [stderr]   |                               ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `"docker" "inspect" "067ef74d1c5fdb678b3fde05400de75099aadc6f78182b0ded027d7e5d1eb906"`
[INFO] running `"docker" "rm" "-f" "067ef74d1c5fdb678b3fde05400de75099aadc6f78182b0ded027d7e5d1eb906"`
[INFO] [stdout] 067ef74d1c5fdb678b3fde05400de75099aadc6f78182b0ded027d7e5d1eb906