[INFO] fetching crate twiggy-parser 0.4.0...
[INFO] extracting crate twiggy-parser 0.4.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/twiggy-parser/0.4.0
[INFO] extracting crate twiggy-parser 0.4.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/twiggy-parser/0.4.0
[INFO] validating manifest of twiggy-parser-0.4.0 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 twiggy-parser-0.4.0 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 twiggy-parser-0.4.0
[INFO] finished frobbing twiggy-parser-0.4.0
[INFO] frobbed toml for twiggy-parser-0.4.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/twiggy-parser/0.4.0/Cargo.toml
[INFO] started frobbing twiggy-parser-0.4.0
[INFO] finished frobbing twiggy-parser-0.4.0
[INFO] frobbed toml for twiggy-parser-0.4.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/twiggy-parser/0.4.0/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] [stderr]     Blocking waiting for file lock on package cache lock
[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 twiggy-traits v0.4.0
[INFO] [stderr]   Downloaded object v0.11.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing twiggy-parser-0.4.0 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/twiggy-parser/0.4.0:/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] c9b076d4a499991eec9f37e35aeb242f5df97f99bd3e7e28de7b5877392d0f31
[INFO] running `"docker" "start" "-a" "c9b076d4a499991eec9f37e35aeb242f5df97f99bd3e7e28de7b5877392d0f31"`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling frozen v1.0.0
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling typed-arena v1.4.1
[INFO] [stderr]    Compiling cpp_demangle v0.2.12
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]    Compiling parity-wasm v0.35.7
[INFO] [stderr]    Compiling gimli v0.16.1
[INFO] [stderr]    Compiling goblin v0.0.19
[INFO] [stderr]    Compiling twiggy-ir v0.4.0
[INFO] [stderr]    Compiling twiggy-traits v0.4.0
[INFO] [stderr]    Compiling object v0.11.0
[INFO] [stderr]    Compiling twiggy-parser v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> wasm_parse/mod.rs:257:21
[INFO] [stderr]     |
[INFO] [stderr] 257 |                     write!(&mut name, ", ");
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> wasm_parse/mod.rs:261:13
[INFO] [stderr]     |
[INFO] [stderr] 261 |             write!(&mut name, ") -> ");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> wasm_parse/mod.rs:266:17
[INFO] [stderr]     |
[INFO] [stderr] 266 |                 write!(&mut name, "{}", func_type.return_type().unwrap());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.97s
[INFO] running `"docker" "inspect" "c9b076d4a499991eec9f37e35aeb242f5df97f99bd3e7e28de7b5877392d0f31"`
[INFO] running `"docker" "rm" "-f" "c9b076d4a499991eec9f37e35aeb242f5df97f99bd3e7e28de7b5877392d0f31"`
[INFO] [stdout] c9b076d4a499991eec9f37e35aeb242f5df97f99bd3e7e28de7b5877392d0f31
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/twiggy-parser/0.4.0:/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] b39ce85edf1b30476a65f5bb5e1e7287d2a59f0ac84e8da039f43628b899d8db
[INFO] running `"docker" "start" "-a" "b39ce85edf1b30476a65f5bb5e1e7287d2a59f0ac84e8da039f43628b899d8db"`
[INFO] [stderr]    Compiling twiggy-parser v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> wasm_parse/mod.rs:257:21
[INFO] [stderr]     |
[INFO] [stderr] 257 |                     write!(&mut name, ", ");
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> wasm_parse/mod.rs:261:13
[INFO] [stderr]     |
[INFO] [stderr] 261 |             write!(&mut name, ") -> ");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> wasm_parse/mod.rs:266:17
[INFO] [stderr]     |
[INFO] [stderr] 266 |                 write!(&mut name, "{}", func_type.return_type().unwrap());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `"docker" "inspect" "b39ce85edf1b30476a65f5bb5e1e7287d2a59f0ac84e8da039f43628b899d8db"`
[INFO] running `"docker" "rm" "-f" "b39ce85edf1b30476a65f5bb5e1e7287d2a59f0ac84e8da039f43628b899d8db"`
[INFO] [stdout] b39ce85edf1b30476a65f5bb5e1e7287d2a59f0ac84e8da039f43628b899d8db
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/twiggy-parser/0.4.0:/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"`
[INFO] [stdout] 8d515488bc84d7b5faba72e214072cb08eab8d7dc48f4292f6a362aba8d4022d
[INFO] running `"docker" "start" "-a" "8d515488bc84d7b5faba72e214072cb08eab8d7dc48f4292f6a362aba8d4022d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/twiggy_parser-f67ff9c0b5e6fb03
[INFO] [stderr]    Doc-tests twiggy-parser
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8d515488bc84d7b5faba72e214072cb08eab8d7dc48f4292f6a362aba8d4022d"`
[INFO] running `"docker" "rm" "-f" "8d515488bc84d7b5faba72e214072cb08eab8d7dc48f4292f6a362aba8d4022d"`
[INFO] [stdout] 8d515488bc84d7b5faba72e214072cb08eab8d7dc48f4292f6a362aba8d4022d