[INFO] crate parser-combinators 0.7.1 is already in cache
[INFO] extracting crate parser-combinators 0.7.1 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/parser-combinators/0.7.1
[INFO] extracting crate parser-combinators 0.7.1 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/parser-combinators/0.7.1
[INFO] validating manifest of parser-combinators-0.7.1 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of parser-combinators-0.7.1 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing parser-combinators-0.7.1
[INFO] finished frobbing parser-combinators-0.7.1
[INFO] frobbed toml for parser-combinators-0.7.1 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/parser-combinators/0.7.1/Cargo.toml
[INFO] started frobbing parser-combinators-0.7.1
[INFO] finished frobbing parser-combinators-0.7.1
[INFO] frobbed toml for parser-combinators-0.7.1 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/parser-combinators/0.7.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking parser-combinators-0.7.1 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-2/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/parser-combinators/0.7.1:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5a355d4de6952be3ea5ddf166da26202698c5f787740737b4ff99da4e0234dfe
[INFO] running `"docker" "start" "-a" "5a355d4de6952be3ea5ddf166da26202698c5f787740737b4ff99da4e0234dfe"`
[INFO] [stderr]     Checking parser-combinators v0.7.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/primitives.rs:88:15
[INFO] [stderr]    |
[INFO] [stderr] 88 |     Other(Box<StdError+Send>)
[INFO] [stderr]    |               ^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError+Send`
[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/combinator.rs:513:36
[INFO] [stderr]     |
[INFO] [stderr] 513 | impl <'a, I: Stream, O> Parser for FnMut(State<I>) -> ParseResult<O, I, I::Item> + 'a {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(State<I>) -> ParseResult<O, I, I::Item> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/primitives.rs:88:15
[INFO] [stderr]    |
[INFO] [stderr] 88 |     Other(Box<StdError+Send>)
[INFO] [stderr]    |               ^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError+Send`
[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/combinator.rs:513:36
[INFO] [stderr]     |
[INFO] [stderr] 513 | impl <'a, I: Stream, O> Parser for FnMut(State<I>) -> ParseResult<O, I, I::Item> + 'a {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(State<I>) -> ParseResult<O, I, I::Item> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:396:29
[INFO] [stderr]     |
[INFO] [stderr] 396 |         let mut parser: Box<Parser<Input=&str, Output=char>> = Box::new(digit());
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input=&str, Output=char>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:439:53
[INFO] [stderr]     |
[INFO] [stderr] 439 |         let _ = result.map_err(|err| { let err: Box<StdError> = Box::new(err); err });
[INFO] [stderr]     |                                                     ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `"docker" "inspect" "5a355d4de6952be3ea5ddf166da26202698c5f787740737b4ff99da4e0234dfe"`
[INFO] running `"docker" "rm" "-f" "5a355d4de6952be3ea5ddf166da26202698c5f787740737b4ff99da4e0234dfe"`
[INFO] [stdout] 5a355d4de6952be3ea5ddf166da26202698c5f787740737b4ff99da4e0234dfe