[INFO] crate futures-await-async-macro 0.1.4 is already in cache
[INFO] extracting crate futures-await-async-macro 0.1.4 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/futures-await-async-macro/0.1.4
[INFO] extracting crate futures-await-async-macro 0.1.4 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/futures-await-async-macro/0.1.4
[INFO] validating manifest of futures-await-async-macro-0.1.4 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 futures-await-async-macro-0.1.4 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 futures-await-async-macro-0.1.4
[INFO] finished frobbing futures-await-async-macro-0.1.4
[INFO] frobbed toml for futures-await-async-macro-0.1.4 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/futures-await-async-macro/0.1.4/Cargo.toml
[INFO] started frobbing futures-await-async-macro-0.1.4
[INFO] finished frobbing futures-await-async-macro-0.1.4
[INFO] frobbed toml for futures-await-async-macro-0.1.4 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/futures-await-async-macro/0.1.4/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 futures-await-async-macro-0.1.4 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-5/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/futures-await-async-macro/0.1.4:/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] 12a56ff8fea59fd3954d740c9740e18f00308dedcfbe55c415b5c1b7408bddfa
[INFO] running `"docker" "start" "-a" "12a56ff8fea59fd3954d740c9740e18f00308dedcfbe55c415b5c1b7408bddfa"`
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.14.9
[INFO] [stderr]     Checking futures-await-async-macro v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | #[macro_use]
[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/lib.rs:466:24
[INFO] [stderr]     |
[INFO] [stderr] 466 | fn first_last(tokens: &ToTokens) -> (Span, Span) {
[INFO] [stderr]     |                        ^^^^^^^^ help: use `dyn`: `dyn ToTokens`
[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/lib.rs:494:59
[INFO] [stderr]     |
[INFO] [stderr] 494 | fn replace_bang(input: proc_macro2::TokenStream, tokens: &ToTokens) -> proc_macro2::TokenStream {
[INFO] [stderr]     |                                                           ^^^^^^^^ help: use `dyn`: `dyn ToTokens`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:507:19
[INFO] [stderr]     |
[INFO] [stderr] 507 |     replacements: &[&ToTokens],
[INFO] [stderr]     |                      ^^^^^^^^ help: use `dyn`: `dyn ToTokens`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | #[macro_use]
[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/lib.rs:466:24
[INFO] [stderr]     |
[INFO] [stderr] 466 | fn first_last(tokens: &ToTokens) -> (Span, Span) {
[INFO] [stderr]     |                        ^^^^^^^^ help: use `dyn`: `dyn ToTokens`
[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/lib.rs:494:59
[INFO] [stderr]     |
[INFO] [stderr] 494 | fn replace_bang(input: proc_macro2::TokenStream, tokens: &ToTokens) -> proc_macro2::TokenStream {
[INFO] [stderr]     |                                                           ^^^^^^^^ help: use `dyn`: `dyn ToTokens`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:507:19
[INFO] [stderr]     |
[INFO] [stderr] 507 |     replacements: &[&ToTokens],
[INFO] [stderr]     |                      ^^^^^^^^ help: use `dyn`: `dyn ToTokens`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'proc_macro2::TokenStream::empty': please use TokenStream::new
[INFO] [stderr]    --> src/lib.rs:175:19
[INFO] [stderr]     |
[INFO] [stderr] 175 |     let mut result = Tokens::empty();
[INFO] [stderr]     |                      ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'proc_macro2::TokenStream::empty': please use TokenStream::new
[INFO] [stderr]    --> src/lib.rs:192:21
[INFO] [stderr]     |
[INFO] [stderr] 192 |     let mut gen_body = Tokens::empty();
[INFO] [stderr]     |                        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'proc_macro2::TokenStream::empty': please use TokenStream::new
[INFO] [stderr]    --> src/lib.rs:211:17
[INFO] [stderr]     |
[INFO] [stderr] 211 |     let mut body = Tokens::empty();
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'proc_macro2::TokenStream::empty': please use TokenStream::new
[INFO] [stderr]    --> src/lib.rs:175:19
[INFO] [stderr]     |
[INFO] [stderr] 175 |     let mut result = Tokens::empty();
[INFO] [stderr]     |                      ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'proc_macro2::TokenStream::empty': please use TokenStream::new
[INFO] [stderr]    --> src/lib.rs:192:21
[INFO] [stderr]     |
[INFO] [stderr] 192 |     let mut gen_body = Tokens::empty();
[INFO] [stderr]     |                        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'proc_macro2::TokenStream::empty': please use TokenStream::new
[INFO] [stderr]    --> src/lib.rs:211:17
[INFO] [stderr]     |
[INFO] [stderr] 211 |     let mut body = Tokens::empty();
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'proc_macro2::TokenStream::empty': please use TokenStream::new
[INFO] [stderr]    --> src/lib.rs:467:18
[INFO] [stderr]     |
[INFO] [stderr] 467 |     let mut spans = Tokens::empty();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'proc_macro2::TokenStream::empty': please use TokenStream::new
[INFO] [stderr]    --> src/lib.rs:495:23
[INFO] [stderr]     |
[INFO] [stderr] 495 |     let mut new_tokens = Tokens::empty();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'proc_macro2::TokenStream::empty': please use TokenStream::new
[INFO] [stderr]    --> src/lib.rs:510:23
[INFO] [stderr]     |
[INFO] [stderr] 510 |     let mut new_tokens = Tokens::empty();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'proc_macro2::TokenStream::empty': please use TokenStream::new
[INFO] [stderr]    --> src/lib.rs:467:18
[INFO] [stderr]     |
[INFO] [stderr] 467 |     let mut spans = Tokens::empty();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'proc_macro2::TokenStream::empty': please use TokenStream::new
[INFO] [stderr]    --> src/lib.rs:495:23
[INFO] [stderr]     |
[INFO] [stderr] 495 |     let mut new_tokens = Tokens::empty();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'proc_macro2::TokenStream::empty': please use TokenStream::new
[INFO] [stderr]    --> src/lib.rs:510:23
[INFO] [stderr]     |
[INFO] [stderr] 510 |     let mut new_tokens = Tokens::empty();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | #![feature(proc_macro)]
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | #![feature(proc_macro)]
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.45s
[INFO] running `"docker" "inspect" "12a56ff8fea59fd3954d740c9740e18f00308dedcfbe55c415b5c1b7408bddfa"`
[INFO] running `"docker" "rm" "-f" "12a56ff8fea59fd3954d740c9740e18f00308dedcfbe55c415b5c1b7408bddfa"`
[INFO] [stdout] 12a56ff8fea59fd3954d740c9740e18f00308dedcfbe55c415b5c1b7408bddfa