[INFO] crate jellyschema 0.11.10 is already in cache
[INFO] extracting crate jellyschema 0.11.10 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/jellyschema/0.11.10
[INFO] extracting crate jellyschema 0.11.10 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/jellyschema/0.11.10
[INFO] validating manifest of jellyschema-0.11.10 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jellyschema-0.11.10 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jellyschema-0.11.10
[INFO] finished frobbing jellyschema-0.11.10
[INFO] frobbed toml for jellyschema-0.11.10 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/jellyschema/0.11.10/Cargo.toml
[INFO] started frobbing jellyschema-0.11.10
[INFO] finished frobbing jellyschema-0.11.10
[INFO] frobbed toml for jellyschema-0.11.10 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/jellyschema/0.11.10/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jellyschema-0.11.10 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-1/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/jellyschema/0.11.10:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 16a5a90295b4d02a7d0c4f0d25f12dd13a75a19cb29d8a1d1ac2702ecee678dc
[INFO] running `"docker" "start" "-a" "16a5a90295b4d02a7d0c4f0d25f12dd13a75a19cb29d8a1d1ac2702ecee678dc"`
[INFO] [stderr]    Compiling strfmt v0.1.6
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling jellyschema v0.11.10 (/opt/crater/workdir)
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking balena-temen v0.5.7
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/schema/mod.rs:176:22
[INFO] [stderr]     |
[INFO] [stderr] 176 |         self.formula.as_deref()
[INFO] [stderr]     |                      ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/schema/mod.rs:180:26
[INFO] [stderr]     |
[INFO] [stderr] 180 |         self.placeholder.as_deref()
[INFO] [stderr]     |                          ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/schema/mod.rs:214:19
[INFO] [stderr]     |
[INFO] [stderr] 214 |         self.keys.as_deref()
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/schema/mod.rs:218:21
[INFO] [stderr]     |
[INFO] [stderr] 218 |         self.values.as_deref()
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/schema/mod.rs:231:24
[INFO] [stderr]     |
[INFO] [stderr] 231 |         self.separator.as_deref()
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/schema/mod.rs:240:20
[INFO] [stderr]     |
[INFO] [stderr] 240 |         self.title.as_deref()
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/schema/mod.rs:244:19
[INFO] [stderr]     |
[INFO] [stderr] 244 |         self.help.as_deref()
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/schema/mod.rs:248:22
[INFO] [stderr]     |
[INFO] [stderr] 248 |         self.warning.as_deref()
[INFO] [stderr]     |                      ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/schema/mod.rs:252:26
[INFO] [stderr]     |
[INFO] [stderr] 252 |         self.description.as_deref()
[INFO] [stderr]     |                          ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/schema/mod.rs:176:22
[INFO] [stderr]     |
[INFO] [stderr] 176 |         self.formula.as_deref()
[INFO] [stderr]     |                      ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/schema/mod.rs:180:26
[INFO] [stderr]     |
[INFO] [stderr] 180 |         self.placeholder.as_deref()
[INFO] [stderr]     |                          ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/schema/mod.rs:214:19
[INFO] [stderr]     |
[INFO] [stderr] 214 |         self.keys.as_deref()
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/schema/mod.rs:218:21
[INFO] [stderr]     |
[INFO] [stderr] 218 |         self.values.as_deref()
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/schema/mod.rs:231:24
[INFO] [stderr]     |
[INFO] [stderr] 231 |         self.separator.as_deref()
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/schema/mod.rs:240:20
[INFO] [stderr]     |
[INFO] [stderr] 240 |         self.title.as_deref()
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/schema/mod.rs:244:19
[INFO] [stderr]     |
[INFO] [stderr] 244 |         self.help.as_deref()
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/schema/mod.rs:248:22
[INFO] [stderr]     |
[INFO] [stderr] 248 |         self.warning.as_deref()
[INFO] [stderr]     |                      ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/schema/mod.rs:252:26
[INFO] [stderr]     |
[INFO] [stderr] 252 |         self.description.as_deref()
[INFO] [stderr]     |                          ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/schema/mapping/mod.rs:54:19
[INFO] [stderr]    |
[INFO] [stderr] 54 |         self.path.as_deref()
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]    = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/schema/mapping/mod.rs:54:19
[INFO] [stderr]    |
[INFO] [stderr] 54 |         self.path.as_deref()
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]    = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/schema/mapping/target.rs:155:19
[INFO] [stderr]     |
[INFO] [stderr] 155 |         self.glob.as_deref()
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/schema/mapping/target.rs:155:19
[INFO] [stderr]     |
[INFO] [stderr] 155 |         self.glob.as_deref()
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `deref::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(inner_deref)]` to the crate attributes to enable `std::option::Option::<T>::as_deref`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.07s
[INFO] running `"docker" "inspect" "16a5a90295b4d02a7d0c4f0d25f12dd13a75a19cb29d8a1d1ac2702ecee678dc"`
[INFO] running `"docker" "rm" "-f" "16a5a90295b4d02a7d0c4f0d25f12dd13a75a19cb29d8a1d1ac2702ecee678dc"`
[INFO] [stdout] 16a5a90295b4d02a7d0c4f0d25f12dd13a75a19cb29d8a1d1ac2702ecee678dc