[INFO] crate esr 0.1.0 is already in cache
[INFO] extracting crate esr 0.1.0 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/esr/0.1.0
[INFO] extracting crate esr 0.1.0 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/esr/0.1.0
[INFO] validating manifest of esr-0.1.0 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 esr-0.1.0 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 esr-0.1.0
[INFO] finished frobbing esr-0.1.0
[INFO] frobbed toml for esr-0.1.0 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/esr/0.1.0/Cargo.toml
[INFO] started frobbing esr-0.1.0
[INFO] finished frobbing esr-0.1.0
[INFO] frobbed toml for esr-0.1.0 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/esr/0.1.0/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 esr-0.1.0 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/esr/0.1.0:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d6e20eef6a4cd333aa7da854a196db561b35b09729d87306e95d8c7502db1fa7
[INFO] running `"docker" "start" "-a" "d6e20eef6a4cd333aa7da854a196db561b35b09729d87306e95d8c7502db1fa7"`
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking toolshed v0.4.0
[INFO] [stderr]     Checking pretty_assertions v0.4.1
[INFO] [stderr]     Checking esr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/parser/nested.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 |   /// All potential tokens, including Comma for sequence expressions
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 42 | / bp!(ANY, [
[INFO] [stderr] 43 | |     ____, ____, ____, SEQ,  CALL, ____, CMEM, ____, ____, ____, ARRW, ____,
[INFO] [stderr] 44 | | //  EOF   ;     :     ,     (     )     [     ]     {     }     =>    NEW
[INFO] [stderr] 45 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 68 | | //  IMPL  PCKG  PROT  IFACE PRIV  PUBLI IDENT ACCSS TPL_O TPL_C ERR_T ERR_E
[INFO] [stderr] 69 | | ]);
[INFO] [stderr]    | |___- rustdoc does not generate documentation for macro expansions
[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/nested.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 |   /// All potential tokens, including Comma for sequence expressions
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 42 | / bp!(ANY, [
[INFO] [stderr] 43 | |     ____, ____, ____, SEQ,  CALL, ____, CMEM, ____, ____, ____, ARRW, ____,
[INFO] [stderr] 44 | | //  EOF   ;     :     ,     (     )     [     ]     {     }     =>    NEW
[INFO] [stderr] 45 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 68 | | //  IMPL  PCKG  PROT  IFACE PRIV  PUBLI IDENT ACCSS TPL_O TPL_C ERR_T ERR_E
[INFO] [stderr] 69 | | ]);
[INFO] [stderr]    | |___- rustdoc does not generate documentation for macro expansions
[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]     Finished dev [unoptimized + debuginfo] target(s) in 7.73s
[INFO] running `"docker" "inspect" "d6e20eef6a4cd333aa7da854a196db561b35b09729d87306e95d8c7502db1fa7"`
[INFO] running `"docker" "rm" "-f" "d6e20eef6a4cd333aa7da854a196db561b35b09729d87306e95d8c7502db1fa7"`
[INFO] [stdout] d6e20eef6a4cd333aa7da854a196db561b35b09729d87306e95d8c7502db1fa7