[INFO] fetching crate serser 0.1.0...
[INFO] testing serser-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate serser 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate serser 0.1.0
[INFO] finished tweaking crates.io crate serser 0.1.0
[INFO] tweaked toml for crates.io crate serser 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serser 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded maybe-owned v0.3.4
[INFO] [stderr]   Downloaded serser_derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56dd017a9a013f680f22687688a5a8ed65435f837699d119e422d98cf61f2e0a
[INFO] running `Command { std: "docker" "start" "-a" "56dd017a9a013f680f22687688a5a8ed65435f837699d119e422d98cf61f2e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56dd017a9a013f680f22687688a5a8ed65435f837699d119e422d98cf61f2e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56dd017a9a013f680f22687688a5a8ed65435f837699d119e422d98cf61f2e0a", kill_on_drop: false }`
[INFO] [stdout] 56dd017a9a013f680f22687688a5a8ed65435f837699d119e422d98cf61f2e0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d8f3e33ca56812f73e8e6eb1dd7d63b2bfd3a6187d2b1db077fed33f68cc2e7
[INFO] running `Command { std: "docker" "start" "-a" "3d8f3e33ca56812f73e8e6eb1dd7d63b2bfd3a6187d2b1db077fed33f68cc2e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling maybe-owned v0.3.4
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling serser_derive v0.1.0
[INFO] [stderr]    Compiling serser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.51s
[INFO] running `Command { std: "docker" "inspect" "3d8f3e33ca56812f73e8e6eb1dd7d63b2bfd3a6187d2b1db077fed33f68cc2e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d8f3e33ca56812f73e8e6eb1dd7d63b2bfd3a6187d2b1db077fed33f68cc2e7", kill_on_drop: false }`
[INFO] [stdout] 3d8f3e33ca56812f73e8e6eb1dd7d63b2bfd3a6187d2b1db077fed33f68cc2e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44c45d7f12be39223276f87726cd8661100b618bd7544bac1cc5667a29a3c0c9
[INFO] running `Command { std: "docker" "start" "-a" "44c45d7f12be39223276f87726cd8661100b618bd7544bac1cc5667a29a3c0c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `AnEnum` is never used
[INFO] [stdout]    --> tests/derive_from_tokens.rs:172:14
[INFO] [stdout]     |
[INFO] [stdout] 172 |         enum AnEnum {}
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "44c45d7f12be39223276f87726cd8661100b618bd7544bac1cc5667a29a3c0c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44c45d7f12be39223276f87726cd8661100b618bd7544bac1cc5667a29a3c0c9", kill_on_drop: false }`
[INFO] [stdout] 44c45d7f12be39223276f87726cd8661100b618bd7544bac1cc5667a29a3c0c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 82194806c3d1791ee0b26786648058f18fd7e32d2cf5c239431e8c4e0ff55e78
[INFO] running `Command { std: "docker" "start" "-a" "82194806c3d1791ee0b26786648058f18fd7e32d2cf5c239431e8c4e0ff55e78", kill_on_drop: false }`
[INFO] [stderr] warning: enum `AnEnum` is never used
[INFO] [stderr]    --> tests/derive_from_tokens.rs:172:14
[INFO] [stderr]     |
[INFO] [stderr] 172 |         enum AnEnum {}
[INFO] [stderr]     |              ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `serser` (test "derive_from_tokens") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serser-141411f2b2124e67)
[INFO] [stdout] 
[INFO] [stdout] running 48 tests
[INFO] [stdout] test from::tests::basic::Bool ... ok
[INFO] [stdout] test from::tests::basic::Char ... ok
[INFO] [stdout] test from::tests::basic::F64 ... ok
[INFO] [stdout] test from::tests::basic::F32 ... ok
[INFO] [stdout] test from::tests::basic::I128 ... ok
[INFO] [stdout] test from::tests::basic::I32 ... ok
[INFO] [stdout] test from::tests::basic::I64 ... ok
[INFO] [stdout] test from::tests::basic::I8 ... ok
[INFO] [stdout] test from::tests::basic::Isize ... ok
[INFO] [stdout] test from::tests::basic::U8 ... ok
[INFO] [stdout] test from::tests::basic::Str ... ok
[INFO] [stdout] test from::tests::basic::U128 ... ok
[INFO] [stdout] test from::tests::basic::U16 ... ok
[INFO] [stdout] test from::tests::basic::U32 ... ok
[INFO] [stdout] test from::tests::basic::U64 ... ok
[INFO] [stdout] test from::tests::basic::I16 ... ok
[INFO] [stdout] test from::tests::basic::Usize ... ok
[INFO] [stdout] test from::tests::test_bool_from_invalid ... ok
[INFO] [stdout] test from::tests::test_from_end ... ok
[INFO] [stdout] test from::tests::test_vec_i8_bytes_fails ... ok
[INFO] [stdout] test from::tests::test_vec_u32_from ... ok
[INFO] [stdout] test from::tests::test_vec_u8 ... ok
[INFO] [stdout] test from::tests::test_vec_u8_bytes ... ok
[INFO] [stdout] test into::tests::test_bool_into ... ok
[INFO] [stdout] test into::tests::test_tuple_into ... ok
[INFO] [stdout] test into::tests::test_u32_into ... ok
[INFO] [stdout] test into::tests::test_vec_u32_into ... ok
[INFO] [stdout] test json::from::tests::test_from_tokens_enum_struct ... ok
[INFO] [stdout] test json::from::tests::test_from_tokens_enum_tuple ... ok
[INFO] [stdout] test json::from::tests::test_from_tokens_plain ... ok
[INFO] [stdout] test json::from::tests::test_from_tokens_seq ... ok
[INFO] [stdout] test from::tests::test_vec_vec_u32_from ... ok
[INFO] [stdout] test json::from::tests::test_from_tokens_struct ... ok
[INFO] [stdout] test json::from::tests::test_from_tokens_tuple ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_bytes ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_bool ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_enum_struct ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_array ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_enum_tuple ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_null ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_f64 ... ok
[INFO] [stdout] test test::expecting::tests::test_default ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_object ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_empty ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_str ... ok
[INFO] [stdout] test test::expecting::tests::test_first ... ok
[INFO] [stdout] test test::expecting::tests::test_second ... ok
[INFO] [stdout] test test::printsink::tests::test_printing_token_sink ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 48 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stderr]      Running tests/derive_from_tokens.rs (/opt/rustwide/target/debug/deps/derive_from_tokens-e5d49a168c611976)
[INFO] [stdout] test tests::from_tokens_enum_struct_nested ... ok
[INFO] [stdout] test tests::from_tokens_enum_tuple_nested ... ok
[INFO] [stdout] test tests::from_tokens_enum_tuple ... ok
[INFO] [stdout] test tests::from_tokens_struct_named ... ok
[INFO] [stdout] test tests::from_tokens_enum_empty ... ok
[INFO] [stdout] test tests::from_tokens_struct_named_nested ... ok
[INFO] [stdout] test tests::from_tokens_struct_named_partial ... ok
[INFO] [stdout] test tests::from_tokens_struct_named_empty ... ok
[INFO] [stdout] test tests::from_tokens_struct_tuple_nested ... ok
[INFO] [stdout] test tests::from_tokens_enum_struct ... ok
[INFO] [stdout] test tests::from_tokens_struct_tuple_partial ... ok
[INFO] [stdout] test tests::from_tokens_struct_unit ... ok
[INFO] [stdout] test tests::from_tokens_struct_tuple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/derive_into_tokens.rs (/opt/rustwide/target/debug/deps/derive_into_tokens-39fb9a2c6a987071)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr]    Doc-tests serser
[INFO] [stdout] test tests::into_tokens_tuple_struct ... ok
[INFO] [stdout] test tests::into_tokens_unit_struct ... ok
[INFO] [stdout] test tests::into_tokens_struct_empty ... ok
[INFO] [stdout] test tests::into_tokens_enum_tuple ... ok
[INFO] [stdout] test tests::into_tokens_enum_struct ... ok
[INFO] [stdout] test tests::into_tokens_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 55) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/test/printsink.rs - test::printsink::PrintingTokenSink (line 58) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "82194806c3d1791ee0b26786648058f18fd7e32d2cf5c239431e8c4e0ff55e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82194806c3d1791ee0b26786648058f18fd7e32d2cf5c239431e8c4e0ff55e78", kill_on_drop: false }`
[INFO] [stdout] 82194806c3d1791ee0b26786648058f18fd7e32d2cf5c239431e8c4e0ff55e78