[INFO] crate extindex 0.2.0 is already in cache
[INFO] extracting crate extindex 0.2.0 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/extindex/0.2.0
[INFO] extracting crate extindex 0.2.0 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/extindex/0.2.0
[INFO] validating manifest of extindex-0.2.0 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 extindex-0.2.0 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 extindex-0.2.0
[INFO] finished frobbing extindex-0.2.0
[INFO] frobbed toml for extindex-0.2.0 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/extindex/0.2.0/Cargo.toml
[INFO] started frobbing extindex-0.2.0
[INFO] finished frobbing extindex-0.2.0
[INFO] frobbed toml for extindex-0.2.0 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/extindex/0.2.0/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 extindex-0.2.0 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/extindex/0.2.0:/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] f1fd4de886bf79bb5bc91975de14e8eee3d802ad831701df420c304599113d57
[INFO] running `"docker" "start" "-a" "f1fd4de886bf79bb5bc91975de14e8eee3d802ad831701df420c304599113d57"`
[INFO] [stderr]    Compiling extsort v0.2.0
[INFO] [stderr]    Compiling extindex v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/builder.rs:181:41
[INFO] [stderr]     |
[INFO] [stderr] 181 |     fn write_header(&self, output: &mut Write, levels: &[Level]) -> Result<(), BuilderError> {
[INFO] [stderr]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[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/builder.rs:189:40
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn write_entry(&self, output: &mut Write, entry: Entry<K, V>) -> Result<(), BuilderError> {
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/builder.rs:197:22
[INFO] [stderr]     |
[INFO] [stderr] 197 |         output: &mut Write,
[INFO] [stderr]     |                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entry.rs:21:37
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn encode(item: &T, write: &mut Write) -> Result<(), std::io::Error>;
[INFO] [stderr]    |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entry.rs:25:26
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn decode(data: &mut Read, size: usize) -> Result<T, std::io::Error>;
[INFO] [stderr]    |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entry.rs:63:48
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn encode(entry: Entry<K, V>, output: &mut Write) {
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entry.rs:68:26
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn decode(read: &mut Read) -> Option<Entry<K, V>> {
[INFO] [stderr]    |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/seri.rs:38:38
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn write(&self, output: &mut Write) -> Result<(), std::io::Error> {
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/seri.rs:81:38
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn write(&self, output: &mut Write) -> Result<(), SerializationError> {
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/seri.rs:141:38
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn write(&self, output: &mut Write) -> Result<(), SerializationError> {
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/seri.rs:188:35
[INFO] [stderr]     |
[INFO] [stderr] 188 |     pub fn read(data_cursor: &mut Read) -> Result<(Entry<K, V>, usize), SerializationError> {
[INFO] [stderr]     |                                   ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/seri.rs:415:53
[INFO] [stderr]     |
[INFO] [stderr] 415 |         fn encode(item: &UnsizedString, write: &mut std::io::Write) -> Result<(), std::io::Error> {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/seri.rs:419:30
[INFO] [stderr]     |
[INFO] [stderr] 419 |         fn decode(data: &mut Read, size: usize) -> Result<UnsizedString, std::io::Error> {
[INFO] [stderr]     |                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:95:50
[INFO] [stderr]    |
[INFO] [stderr] 95 |         fn encode(item: &TestString, write: &mut std::io::Write) -> Result<(), std::io::Error> {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:99:30
[INFO] [stderr]    |
[INFO] [stderr] 99 |         fn decode(data: &mut Read, size: usize) -> Result<TestString, std::io::Error> {
[INFO] [stderr]    |                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/builder.rs:181:41
[INFO] [stderr]     |
[INFO] [stderr] 181 |     fn write_header(&self, output: &mut Write, levels: &[Level]) -> Result<(), BuilderError> {
[INFO] [stderr]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[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/builder.rs:189:40
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn write_entry(&self, output: &mut Write, entry: Entry<K, V>) -> Result<(), BuilderError> {
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/builder.rs:197:22
[INFO] [stderr]     |
[INFO] [stderr] 197 |         output: &mut Write,
[INFO] [stderr]     |                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entry.rs:21:37
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn encode(item: &T, write: &mut Write) -> Result<(), std::io::Error>;
[INFO] [stderr]    |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entry.rs:25:26
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn decode(data: &mut Read, size: usize) -> Result<T, std::io::Error>;
[INFO] [stderr]    |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entry.rs:63:48
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn encode(entry: Entry<K, V>, output: &mut Write) {
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entry.rs:68:26
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn decode(read: &mut Read) -> Option<Entry<K, V>> {
[INFO] [stderr]    |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/seri.rs:38:38
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn write(&self, output: &mut Write) -> Result<(), std::io::Error> {
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/seri.rs:81:38
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn write(&self, output: &mut Write) -> Result<(), SerializationError> {
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/seri.rs:141:38
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn write(&self, output: &mut Write) -> Result<(), SerializationError> {
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/seri.rs:188:35
[INFO] [stderr]     |
[INFO] [stderr] 188 |     pub fn read(data_cursor: &mut Read) -> Result<(Entry<K, V>, usize), SerializationError> {
[INFO] [stderr]     |                                   ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> tests/markdown.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | /// skeptic generates tests from markdown. See [build.rs]: ../build.rs
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 16 | include!(concat!(env!("OUT_DIR"), "/skeptic-tests.rs"));
[INFO] [stderr]    | -------------------------------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/build_and_query.rs:227:46
[INFO] [stderr]     |
[INFO] [stderr] 227 |     fn encode(item: &TestString, write: &mut Write) -> Result<(), std::io::Error> {
[INFO] [stderr]     |                                              ^^^^^ help: use `dyn`: `dyn Write`
[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]    --> tests/build_and_query.rs:231:26
[INFO] [stderr]     |
[INFO] [stderr] 231 |     fn decode(data: &mut Read, size: usize) -> Result<TestString, std::io::Error> {
[INFO] [stderr]     |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> benches/reader.rs:126:47
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn encode(item: &SizedString, write: &mut Write) -> Result<(), std::io::Error> {
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Write`
[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]    --> benches/reader.rs:130:26
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn decode(data: &mut Read, size: usize) -> Result<SizedString, std::io::Error> {
[INFO] [stderr]     |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> benches/reader.rs:145:49
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn encode(item: &UnsizedString, write: &mut std::io::Write) -> Result<(), std::io::Error> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> benches/reader.rs:149:26
[INFO] [stderr]     |
[INFO] [stderr] 149 |     fn decode(data: &mut Read, size: usize) -> Result<UnsizedString, std::io::Error> {
[INFO] [stderr]     |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.04s
[INFO] running `"docker" "inspect" "f1fd4de886bf79bb5bc91975de14e8eee3d802ad831701df420c304599113d57"`
[INFO] running `"docker" "rm" "-f" "f1fd4de886bf79bb5bc91975de14e8eee3d802ad831701df420c304599113d57"`
[INFO] [stdout] f1fd4de886bf79bb5bc91975de14e8eee3d802ad831701df420c304599113d57