[INFO] fetching crate serser 0.1.0...
[INFO] testing serser-0.1.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate serser 0.1.0 into /workspace/builds/worker-4-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serser 0.1.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28dd4ffeacdeb5b2c1da53d8d9a3c78cc15328c2de65e8eb850b5afd2db5af3c
[INFO] running `Command { std: "docker" "start" "-a" "28dd4ffeacdeb5b2c1da53d8d9a3c78cc15328c2de65e8eb850b5afd2db5af3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28dd4ffeacdeb5b2c1da53d8d9a3c78cc15328c2de65e8eb850b5afd2db5af3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28dd4ffeacdeb5b2c1da53d8d9a3c78cc15328c2de65e8eb850b5afd2db5af3c", kill_on_drop: false }`
[INFO] [stdout] 28dd4ffeacdeb5b2c1da53d8d9a3c78cc15328c2de65e8eb850b5afd2db5af3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38314562bb6782802ecbad8e009d6bb667f0367d275fe98590a6c5120980b4d6
[INFO] running `Command { std: "docker" "start" "-a" "38314562bb6782802ecbad8e009d6bb667f0367d275fe98590a6c5120980b4d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling maybe-owned v0.3.4
[INFO] [stderr]    Compiling syn v2.0.106
[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 7.21s
[INFO] running `Command { std: "docker" "inspect" "38314562bb6782802ecbad8e009d6bb667f0367d275fe98590a6c5120980b4d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38314562bb6782802ecbad8e009d6bb667f0367d275fe98590a6c5120980b4d6", kill_on_drop: false }`
[INFO] [stdout] 38314562bb6782802ecbad8e009d6bb667f0367d275fe98590a6c5120980b4d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59eba48c30bd38fc1ff2ae1db60756574c2861d4a5438215d2897104a7931213
[INFO] running `Command { std: "docker" "start" "-a" "59eba48c30bd38fc1ff2ae1db60756574c2861d4a5438215d2897104a7931213", 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 2.76s
[INFO] running `Command { std: "docker" "inspect" "59eba48c30bd38fc1ff2ae1db60756574c2861d4a5438215d2897104a7931213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59eba48c30bd38fc1ff2ae1db60756574c2861d4a5438215d2897104a7931213", kill_on_drop: false }`
[INFO] [stdout] 59eba48c30bd38fc1ff2ae1db60756574c2861d4a5438215d2897104a7931213
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6761461ee6d85ead2c6a4e4c3e9b0a4b70ac06f14f6449424657efbfdb808ab1
[INFO] running `Command { std: "docker" "start" "-a" "6761461ee6d85ead2c6a4e4c3e9b0a4b70ac06f14f6449424657efbfdb808ab1", 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 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serser-9f6976288bc8955b)
[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::I128 ... ok
[INFO] [stdout] test from::tests::basic::I16 ... ok
[INFO] [stdout] test from::tests::basic::F32 ... ok
[INFO] [stdout] test from::tests::basic::I32 ... ok
[INFO] [stdout] test from::tests::basic::I8 ... ok
[INFO] [stdout] test from::tests::basic::Isize ... ok
[INFO] [stdout] test from::tests::basic::Str ... ok
[INFO] [stdout] test from::tests::basic::U128 ... ok
[INFO] [stdout] test from::tests::basic::I64 ... ok
[INFO] [stdout] test from::tests::basic::U8 ... ok
[INFO] [stdout] test from::tests::basic::U32 ... 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::basic::U64 ... ok
[INFO] [stdout] test from::tests::basic::U16 ... ok
[INFO] [stdout] test from::tests::basic::Usize ... ok
[INFO] [stdout] test from::tests::test_vec_u8_bytes ... ok
[INFO] [stdout] test from::tests::test_vec_u8 ... ok
[INFO] [stdout] test from::tests::test_bool_from_invalid ... ok
[INFO] [stdout] test from::tests::test_vec_vec_u32_from ... 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 json::into::tests::test_json_into_tokens_enum_struct ... 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_array ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_bool ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_bytes ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_empty ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_object ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_enum_tuple ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_f64 ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_null ... ok
[INFO] [stdout] test test::expecting::tests::test_default ... ok
[INFO] [stdout] test test::expecting::tests::test_first ... ok
[INFO] [stdout] test test::expecting::tests::test_second ... ok
[INFO] [stdout] test json::into::tests::test_json_into_tokens_str ... 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 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/derive_from_tokens.rs (/opt/rustwide/target/debug/deps/derive_from_tokens-fe26b86911cc890d)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::from_tokens_enum_empty ... ok
[INFO] [stdout] test tests::from_tokens_enum_struct ... ok
[INFO] [stdout] test tests::from_tokens_enum_tuple ... ok
[INFO] [stdout] test tests::from_tokens_enum_tuple_nested ... ok
[INFO] [stdout] test tests::from_tokens_enum_struct_nested ... ok
[INFO] [stdout] test tests::from_tokens_struct_tuple_nested ... ok
[INFO] [stdout] test tests::from_tokens_struct_tuple_partial ... ok
[INFO] [stdout] test tests::from_tokens_struct_named ... ok
[INFO] [stdout] test tests::from_tokens_struct_unit ... 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_named_nested ... 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 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/derive_into_tokens.rs (/opt/rustwide/target/debug/deps/derive_into_tokens-73b1d719084c9f62)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::into_tokens_tuple_struct ... ok
[INFO] [stdout] test tests::into_tokens_enum_tuple ... ok
[INFO] [stdout] test tests::into_tokens_struct_empty ... ok
[INFO] [stdout] test tests::into_tokens_struct ... ok
[INFO] [stdout] test tests::into_tokens_enum_struct ... ok
[INFO] [stderr]    Doc-tests serser
[INFO] [stdout] test tests::into_tokens_unit_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 32) ... ok
[INFO] [stdout] test src/test/printsink.rs - test::printsink::PrintingTokenSink (line 58) ... ok
[INFO] [stdout] test src/lib.rs - (line 55) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.94s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6761461ee6d85ead2c6a4e4c3e9b0a4b70ac06f14f6449424657efbfdb808ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6761461ee6d85ead2c6a4e4c3e9b0a4b70ac06f14f6449424657efbfdb808ab1", kill_on_drop: false }`
[INFO] [stdout] 6761461ee6d85ead2c6a4e4c3e9b0a4b70ac06f14f6449424657efbfdb808ab1