[INFO] cloning repository uorbe001/rustspec-assertions
[INFO] running `"git" "clone" "--bare" "git://github.com/uorbe001/rustspec-assertions.git" "work/cache/sources/gh/uorbe001/rustspec-assertions"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/uorbe001/rustspec-assertions'...
[INFO] running `"git" "clone" "work/cache/sources/gh/uorbe001/rustspec-assertions" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/uorbe001/rustspec-assertions"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/uorbe001/rustspec-assertions'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/uorbe001/rustspec-assertions" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/uorbe001/rustspec-assertions"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/uorbe001/rustspec-assertions'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6dd76a5aba4d6f88e95ed8bdf8f0836b4a9e67fe
[INFO] sha for GitHub repo uorbe001/rustspec-assertions: 6dd76a5aba4d6f88e95ed8bdf8f0836b4a9e67fe
[INFO] validating manifest of uorbe001/rustspec-assertions on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of uorbe001/rustspec-assertions on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing uorbe001/rustspec-assertions
[INFO] finished frobbing uorbe001/rustspec-assertions
[INFO] frobbed toml for uorbe001/rustspec-assertions written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/uorbe001/rustspec-assertions/Cargo.toml
[INFO] started frobbing uorbe001/rustspec-assertions
[INFO] finished frobbing uorbe001/rustspec-assertions
[INFO] frobbed toml for uorbe001/rustspec-assertions written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/uorbe001/rustspec-assertions/Cargo.toml
[INFO] crate uorbe001/rustspec-assertions already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/uorbe001/rustspec-assertions/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing uorbe001/rustspec-assertions against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/uorbe001/rustspec-assertions:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 89bfe984b5c6e7b17db05efc4fbc347bf17460f5359e4972ec101f376866a3e5
[INFO] running `"docker" "start" "-a" "89bfe984b5c6e7b17db05efc4fbc347bf17460f5359e4972ec101f376866a3e5"`
[INFO] [stderr]    Compiling rustspec_assertions v0.1.9 (/opt/crater/workdir)
[INFO] [stderr] error[E0425]: cannot find function `begin_unwind` in module `std::rt`
[INFO] [stderr]   --> src/expect.rs:35:20
[INFO] [stderr]    |
[INFO] [stderr] 35 |         ::std::rt::begin_unwind(msg, &other.get_file_line());
[INFO] [stderr]    |                    ^^^^^^^^^^^^ not found in `std::rt`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/expect.rs:9:33
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn to(&self, other: Box<Matcher<T>>) {
[INFO] [stderr]   |                                 ^^^^^^^^^^ help: use `dyn`: `dyn Matcher<T>`
[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/expect.rs:21:41
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn not_to(&mut self, other: Box<Matcher<T>>) {
[INFO] [stderr]    |                                         ^^^^^^^^^^ help: use `dyn`: `dyn Matcher<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/expect.rs:26:31
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn fail(&self, other: Box<Matcher<T>>) {
[INFO] [stderr]    |                               ^^^^^^^^^^ help: use `dyn`: `dyn Matcher<T>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `rustspec_assertions`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "89bfe984b5c6e7b17db05efc4fbc347bf17460f5359e4972ec101f376866a3e5"`
[INFO] running `"docker" "rm" "-f" "89bfe984b5c6e7b17db05efc4fbc347bf17460f5359e4972ec101f376866a3e5"`
[INFO] [stdout] 89bfe984b5c6e7b17db05efc4fbc347bf17460f5359e4972ec101f376866a3e5