[INFO] crate recital 0.3.0 is already in cache
[INFO] checking recital-0.3.0 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate recital 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate recital 0.3.0 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate recital 0.3.0
[INFO] finished tweaking crates.io crate recital 0.3.0
[INFO] tweaked toml for crates.io crate recital 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9b443eb61dac136cb37e91b8d5b2ecda06fcd74a5fb8b0960bc74d8069437076
[INFO] running `"docker" "start" "-a" "9b443eb61dac136cb37e91b8d5b2ecda06fcd74a5fb8b0960bc74d8069437076"`
[INFO] [stderr]     Checking recital v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/version.rs:215:9
[INFO] [stderr]     |
[INFO] [stderr] 215 |         try!(write!(f, "{}.{}.{}", self.major, self.minor, self.patch));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/version.rs:232:13
[INFO] [stderr]     |
[INFO] [stderr] 232 |             try!(write!(f, "-{}", join!(self.pre)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/version.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |             try!(write!(f, "+{}", join!(self.build)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/parser.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | /// Parse a string as an `Identifier`.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[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: unused doc comment
[INFO] [stderr]   --> src/parser.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | /// Parses a string of pre-release identifiers into a vector of `Identifier`s.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[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: unused doc comment
[INFO] [stderr]   --> src/parser.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | /// Parses a string of build identifiers into a vector of `Identifier`s.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[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: unused doc comment
[INFO] [stderr]   --> src/parser.rs:68:1
[INFO] [stderr]    |
[INFO] [stderr] 68 | /// Optionally parse pre-release and build identifiers.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[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: unused doc comment
[INFO] [stderr]   --> src/parser.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | /// Parses a numeric string as a `u64`.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[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: unused doc comment
[INFO] [stderr]   --> src/parser.rs:85:1
[INFO] [stderr]    |
[INFO] [stderr] 85 | /// Parses a numeric string preceded by a dot (.) as u64.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[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: unused doc comment
[INFO] [stderr]   --> src/parser.rs:92:1
[INFO] [stderr]    |
[INFO] [stderr] 92 | /// Parse a string as a `Version`.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[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: unused imports: `Alpha`, `Number`
[INFO] [stderr]   --> src/version.rs:32:24
[INFO] [stderr]    |
[INFO] [stderr] 32 | use self::Identifier::{Alpha, Number};
[INFO] [stderr]    |                        ^^^^^  ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/resolve.rs:92:17
[INFO] [stderr]    |
[INFO] [stderr] 92 |     And(Vec<Box<Constraint>>),
[INFO] [stderr]    |                 ^^^^^^^^^^ help: use `dyn`: `dyn Constraint`
[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/resolve.rs:95:16
[INFO] [stderr]    |
[INFO] [stderr] 95 |     Or(Vec<Box<Constraint>>),
[INFO] [stderr]    |                ^^^^^^^^^^ help: use `dyn`: `dyn Constraint`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/version.rs:215:9
[INFO] [stderr]     |
[INFO] [stderr] 215 |         try!(write!(f, "{}.{}.{}", self.major, self.minor, self.patch));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/version.rs:232:13
[INFO] [stderr]     |
[INFO] [stderr] 232 |             try!(write!(f, "-{}", join!(self.pre)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/version.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |             try!(write!(f, "+{}", join!(self.build)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/parser.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | /// Parse a string as an `Identifier`.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[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: unused doc comment
[INFO] [stderr]   --> src/parser.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | /// Parses a string of pre-release identifiers into a vector of `Identifier`s.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[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: unused doc comment
[INFO] [stderr]   --> src/parser.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | /// Parses a string of build identifiers into a vector of `Identifier`s.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[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: unused doc comment
[INFO] [stderr]   --> src/parser.rs:68:1
[INFO] [stderr]    |
[INFO] [stderr] 68 | /// Optionally parse pre-release and build identifiers.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[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: unused doc comment
[INFO] [stderr]   --> src/parser.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | /// Parses a numeric string as a `u64`.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[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: unused doc comment
[INFO] [stderr]   --> src/parser.rs:85:1
[INFO] [stderr]    |
[INFO] [stderr] 85 | /// Parses a numeric string preceded by a dot (.) as u64.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[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: unused doc comment
[INFO] [stderr]   --> src/parser.rs:92:1
[INFO] [stderr]    |
[INFO] [stderr] 92 | /// Parse a string as a `Version`.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[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: unused imports: `Alpha`, `Number`
[INFO] [stderr]   --> src/version.rs:32:24
[INFO] [stderr]    |
[INFO] [stderr] 32 | use self::Identifier::{Alpha, Number};
[INFO] [stderr]    |                        ^^^^^  ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/resolve.rs:92:17
[INFO] [stderr]    |
[INFO] [stderr] 92 |     And(Vec<Box<Constraint>>),
[INFO] [stderr]    |                 ^^^^^^^^^^ help: use `dyn`: `dyn Constraint`
[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/resolve.rs:95:16
[INFO] [stderr]    |
[INFO] [stderr] 95 |     Or(Vec<Box<Constraint>>),
[INFO] [stderr]    |                ^^^^^^^^^^ help: use `dyn`: `dyn Constraint`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/resolve.rs:156:45
[INFO] [stderr]     |
[INFO] [stderr] 156 |               let mut constraints = Vec::<Box<$crate::resolve::Constraint>>::new();
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $crate::resolve::Constraint`
[INFO] [stderr] ...
[INFO] [stderr] 318 |           let a = constraints!(And,
[INFO] [stderr]     |  _________________-
[INFO] [stderr] 319 | |                              GreaterThanOrEqualTo(version!(1, 1, 0)),
[INFO] [stderr] 320 | |                              LessThan(version!(1, 2, 0)));
[INFO] [stderr]     | |_________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/resolve.rs:156:45
[INFO] [stderr]     |
[INFO] [stderr] 156 |               let mut constraints = Vec::<Box<$crate::resolve::Constraint>>::new();
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $crate::resolve::Constraint`
[INFO] [stderr] ...
[INFO] [stderr] 328 |           let a = constraints!(Or,
[INFO] [stderr]     |  _________________-
[INFO] [stderr] 329 | |                              Exactly(version!(1, 1, 0)),
[INFO] [stderr] 330 | |                              Exactly(version!(1, 2, 0)));
[INFO] [stderr]     | |________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/resolve.rs:156:45
[INFO] [stderr]     |
[INFO] [stderr] 156 |               let mut constraints = Vec::<Box<$crate::resolve::Constraint>>::new();
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $crate::resolve::Constraint`
[INFO] [stderr] ...
[INFO] [stderr] 338 |           let a = constraints!(And,
[INFO] [stderr]     |  _________________-
[INFO] [stderr] 339 | |                              GreaterThanOrEqualTo(version!(1, 2, 1)),
[INFO] [stderr] 340 | |                              LessThan(version!(1, 5, 0)));
[INFO] [stderr]     | |_________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/resolve.rs:156:45
[INFO] [stderr]     |
[INFO] [stderr] 156 |               let mut constraints = Vec::<Box<$crate::resolve::Constraint>>::new();
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $crate::resolve::Constraint`
[INFO] [stderr] ...
[INFO] [stderr] 342 |           let b = constraints!(And,
[INFO] [stderr]     |  _________________-
[INFO] [stderr] 343 | |                              GreaterThan(version!(1, 5, 0)),
[INFO] [stderr] 344 | |                              LessThan(version!(2, 0, 0)));
[INFO] [stderr]     | |_________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/resolve.rs:156:45
[INFO] [stderr]     |
[INFO] [stderr] 156 |             let mut constraints = Vec::<Box<$crate::resolve::Constraint>>::new();
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $crate::resolve::Constraint`
[INFO] [stderr] ...
[INFO] [stderr] 346 |         let c = constraints!(Or, a, b);
[INFO] [stderr]     |                 ---------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/resolve.rs:156:45
[INFO] [stderr]     |
[INFO] [stderr] 156 |               let mut constraints = Vec::<Box<$crate::resolve::Constraint>>::new();
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn $crate::resolve::Constraint`
[INFO] [stderr] ...
[INFO] [stderr] 355 |           let c = constraints!(And,
[INFO] [stderr]     |  _________________-
[INFO] [stderr] 356 | |                              GreaterThan(version!(1, 2, 1)),
[INFO] [stderr] 357 | |                              LessThan(version!(2, 0, 0)));
[INFO] [stderr]     | |_________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `"docker" "inspect" "9b443eb61dac136cb37e91b8d5b2ecda06fcd74a5fb8b0960bc74d8069437076"`
[INFO] running `"docker" "rm" "-f" "9b443eb61dac136cb37e91b8d5b2ecda06fcd74a5fb8b0960bc74d8069437076"`
[INFO] [stdout] 9b443eb61dac136cb37e91b8d5b2ecda06fcd74a5fb8b0960bc74d8069437076
