[INFO] fetching crate must 0.2.0...
[INFO] extracting crate must 0.2.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/must/0.2.0
[INFO] extracting crate must 0.2.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/must/0.2.0
[INFO] validating manifest of must-0.2.0 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 must-0.2.0 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 must-0.2.0
[INFO] finished frobbing must-0.2.0
[INFO] frobbed toml for must-0.2.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/must/0.2.0/Cargo.toml
[INFO] started frobbing must-0.2.0
[INFO] finished frobbing must-0.2.0
[INFO] frobbed toml for must-0.2.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/must/0.2.0/Cargo.toml
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mutator v0.1.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building must-0.2.0 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/must/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 18e264880fb2f275a1b962d9e822e2957f4045e4dc15e1395d54a616c42423a8
[INFO] running `"docker" "start" "-a" "18e264880fb2f275a1b962d9e822e2957f4045e4dc15e1395d54a616c42423a8"`
[INFO] [stderr]    Compiling mutator v0.1.0
[INFO] [stderr]    Compiling must v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 |     Error(Box<std::error::Error>),
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/matchers/text.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/matchers/text.rs:58:40
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub trait MustBeAscii: Sized + Debug + AsciiExt {
[INFO] [stderr]    |                                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/matchers/text.rs:76:44
[INFO] [stderr]    |
[INFO] [stderr] 76 | impl<V> MustBeAscii for V where V: Debug + AsciiExt {}
[INFO] [stderr]    |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt::is_ascii': use inherent methods instead
[INFO] [stderr]   --> src/matchers/text.rs:60:11
[INFO] [stderr]    |
[INFO] [stderr] 60 |         if self.is_ascii() {
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt::eq_ignore_ascii_case': use inherent methods instead
[INFO] [stderr]   --> src/matchers/text.rs:68:11
[INFO] [stderr]    |
[INFO] [stderr] 68 |         if self.eq_ignore_ascii_case(other) {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "18e264880fb2f275a1b962d9e822e2957f4045e4dc15e1395d54a616c42423a8"`
[INFO] running `"docker" "rm" "-f" "18e264880fb2f275a1b962d9e822e2957f4045e4dc15e1395d54a616c42423a8"`
[INFO] [stdout] 18e264880fb2f275a1b962d9e822e2957f4045e4dc15e1395d54a616c42423a8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/must/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5113895feef21e19ffaa99550f35269fc447467fddb950d44f5fdd9e9502f0e3
[INFO] running `"docker" "start" "-a" "5113895feef21e19ffaa99550f35269fc447467fddb950d44f5fdd9e9502f0e3"`
[INFO] [stderr]    Compiling must v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 |     Error(Box<std::error::Error>),
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/matchers/text.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/matchers/text.rs:58:40
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub trait MustBeAscii: Sized + Debug + AsciiExt {
[INFO] [stderr]    |                                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/matchers/text.rs:76:44
[INFO] [stderr]    |
[INFO] [stderr] 76 | impl<V> MustBeAscii for V where V: Debug + AsciiExt {}
[INFO] [stderr]    |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt::is_ascii': use inherent methods instead
[INFO] [stderr]   --> src/matchers/text.rs:60:11
[INFO] [stderr]    |
[INFO] [stderr] 60 |         if self.is_ascii() {
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt::eq_ignore_ascii_case': use inherent methods instead
[INFO] [stderr]   --> src/matchers/text.rs:68:11
[INFO] [stderr]    |
[INFO] [stderr] 68 |         if self.eq_ignore_ascii_case(other) {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.70s
[INFO] running `"docker" "inspect" "5113895feef21e19ffaa99550f35269fc447467fddb950d44f5fdd9e9502f0e3"`
[INFO] running `"docker" "rm" "-f" "5113895feef21e19ffaa99550f35269fc447467fddb950d44f5fdd9e9502f0e3"`
[INFO] [stdout] 5113895feef21e19ffaa99550f35269fc447467fddb950d44f5fdd9e9502f0e3