[INFO] fetching crate csv-stream 0.1.3...
[INFO] testing csv-stream-0.1.3 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate csv-stream 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate csv-stream 0.1.3 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate csv-stream 0.1.3
[INFO] finished tweaking crates.io crate csv-stream 0.1.3
[INFO] tweaked toml for crates.io crate csv-stream 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e690f5494d60abb9a19c5c03beb40019046b0fc42ae3474fabb1e3c97318b300
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e690f5494d60abb9a19c5c03beb40019046b0fc42ae3474fabb1e3c97318b300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e690f5494d60abb9a19c5c03beb40019046b0fc42ae3474fabb1e3c97318b300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e690f5494d60abb9a19c5c03beb40019046b0fc42ae3474fabb1e3c97318b300", kill_on_drop: false }`
[INFO] [stdout] e690f5494d60abb9a19c5c03beb40019046b0fc42ae3474fabb1e3c97318b300
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16e8d21ea7718b79445058466c0de979ef254aaf8c3a982eb874006b272919a8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "16e8d21ea7718b79445058466c0de979ef254aaf8c3a982eb874006b272919a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling futures-io v0.3.18
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling futures-executor v0.3.18
[INFO] [stderr]    Compiling futures v0.3.18
[INFO] [stderr]    Compiling csv-stream v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `capacity`
[INFO] [stdout]   --> src/writer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     capacity: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `panicked`
[INFO] [stdout]    --> src/writer.rs:532:5
[INFO] [stdout]     |
[INFO] [stdout] 532 |     panicked: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.10s
[INFO] running `Command { std: "docker" "inspect" "16e8d21ea7718b79445058466c0de979ef254aaf8c3a982eb874006b272919a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e8d21ea7718b79445058466c0de979ef254aaf8c3a982eb874006b272919a8", kill_on_drop: false }`
[INFO] [stdout] 16e8d21ea7718b79445058466c0de979ef254aaf8c3a982eb874006b272919a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b963ce37f89d3bfd7f329bc9b445f2b7d8511b4477f0515095a35c7831de5a7a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b963ce37f89d3bfd7f329bc9b445f2b7d8511b4477f0515095a35c7831de5a7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv-stream v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `capacity`
[INFO] [stdout]   --> src/writer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     capacity: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `panicked`
[INFO] [stdout]    --> src/writer.rs:532:5
[INFO] [stdout]     |
[INFO] [stdout] 532 |     panicked: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `capacity`
[INFO] [stdout]   --> src/writer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     capacity: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `panicked`
[INFO] [stdout]    --> src/writer.rs:532:5
[INFO] [stdout]     |
[INFO] [stdout] 532 |     panicked: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 45.15s
[INFO] running `Command { std: "docker" "inspect" "b963ce37f89d3bfd7f329bc9b445f2b7d8511b4477f0515095a35c7831de5a7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b963ce37f89d3bfd7f329bc9b445f2b7d8511b4477f0515095a35c7831de5a7a", kill_on_drop: false }`
[INFO] [stdout] b963ce37f89d3bfd7f329bc9b445f2b7d8511b4477f0515095a35c7831de5a7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d970f6438c70c1da43f337fc51fbc8703b27dbc85c231146617fd54ba1bea0ad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d970f6438c70c1da43f337fc51fbc8703b27dbc85c231146617fd54ba1bea0ad", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `capacity`
[INFO] [stdout] running 41 tests
[INFO] [stderr]   --> src/writer.rs:16:5
[INFO] [stdout] test iter::tests::config ... ok
[INFO] [stderr]    |
[INFO] [stdout] test serializer::tests::bool ... ok
[INFO] [stderr] 16 |     capacity: usize,
[INFO] [stdout] test serializer::tests::bytes ... ok
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] test serializer::tests::char ... ok
[INFO] [stderr]    |
[INFO] [stdout] test serializer::tests::enum_struct_variant ... ok
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] test serializer::tests::enum_units ... ok
[INFO] [stderr] 
[INFO] [stdout] test serializer::tests::str ... ok
[INFO] [stderr] warning: field is never read: `panicked`
[INFO] [stderr]    --> src/writer.rs:532:5
[INFO] [stderr]     |
[INFO] [stderr] 532 |     panicked: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `csv-stream` (lib) generated 2 warnings
[INFO] [stderr] warning: `csv-stream` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/csv_stream-fa2b052de73aadfd)
[INFO] [stdout] test iter::tests::serialize ... ok
[INFO] [stderr]    Doc-tests csv-stream
[INFO] [stdout] test serializer::tests::struct_headers ... ok
[INFO] [stdout] test serializer::tests::struct_headers_inside_nested_tuple_seq ... ok
[INFO] [stdout] test serializer::tests::struct_headers_inside_seq ... ok
[INFO] [stdout] test serializer::tests::struct_headers_inside_tuple ... ok
[INFO] [stdout] test serializer::tests::struct_headers_inside_tuple_scalar_after ... ok
[INFO] [stdout] test serializer::tests::float ... ok
[INFO] [stdout] test serializer::tests::integer ... ok
[INFO] [stdout] test serializer::tests::float_nan ... ok
[INFO] [stdout] test serializer::tests::integer_i128 ... ok
[INFO] [stdout] test serializer::tests::integer_u128 ... ok
[INFO] [stdout] test serializer::tests::option ... ok
[INFO] [stdout] test serializer::tests::enum_newtypes ... ok
[INFO] [stdout] test serializer::tests::struct_no_headers ... ok
[INFO] [stdout] test serializer::tests::struct_headers_inside_tuple_scalar_before ... ok
[INFO] [stdout] test serializer::tests::struct_unit ... ok
[INFO] [stdout] test writer::tests::serialize_no_headers_128 ... ok
[INFO] [stdout] test serializer::tests::tuple ... ok
[INFO] [stdout] test serializer::tests::tuple_struct ... ok
[INFO] [stdout] test serializer::tests::struct_no_headers_128 ... ok
[INFO] [stdout] test writer::tests::two_empty_records ... ok
[INFO] [stdout] test serializer::tests::tuple_variant ... ok
[INFO] [stdout] test writer::tests::serialize_tuple ... ok
[INFO] [stdout] test serializer::tests::unit ... ok
[INFO] [stdout] test writer::tests::one_record ... ok
[INFO] [stdout] test stream::tests::serialize ... ok
[INFO] [stdout] test writer::tests::serialize_with_headers ... ok
[INFO] [stdout] test serializer::tests::struct_headers_nested ... ok
[INFO] [stdout] test serializer::tests::struct_headers_nested_seq ... ok
[INFO] [stdout] test serializer::tests::struct_newtype ... ok
[INFO] [stdout] test stream::tests::config ... ok
[INFO] [stdout] test serializer::tests::seq ... ok
[INFO] [stdout] test writer::tests::one_empty_record ... ok
[INFO] [stdout] test writer::tests::serialize_no_headers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 41 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/writer.rs - writer::Writer::write_record (line 828) ... ok
[INFO] [stdout] test src/writer.rs - writer::WriterBuilder::flexible (line 174) ... ok
[INFO] [stdout] test src/writer.rs - writer::WriterBuilder::has_headers (line 140) ... ok
[INFO] [stdout] test src/writer.rs - writer::WriterBuilder::escape (line 386) ... ok
[INFO] [stdout] test src/writer.rs - writer::Writer::serialize (line 675) ... ok
[INFO] [stdout] test src/iter.rs - iter::Iter (line 9) ... ok
[INFO] [stdout] test src/writer.rs - writer::WriterBuilder::delimiter (line 43) ... ok
[INFO] [stdout] test src/writer.rs - writer::WriterBuilder::double_quote (line 353) ... ok
[INFO] [stdout] test src/writer.rs - writer::WriterBuilder::has_headers (line 85) ... ok
[INFO] [stdout] test src/writer.rs - writer::Writer::serialize (line 748) ... ok
[INFO] [stdout] test src/writer.rs - writer::WriterBuilder::build_iter (line 414) ... ok
[INFO] [stdout] test src/writer.rs - writer::WriterBuilder::flexible (line 195) ... ok
[INFO] [stdout] test src/writer.rs - writer::Writer::serialize (line 585) ... ok
[INFO] [stdout] test src/writer.rs - writer::Writer::write_field (line 866) ... ok
[INFO] [stdout] test src/writer.rs - writer::WriterBuilder::quote (line 323) ... ok
[INFO] [stdout] test src/writer.rs - writer::WriterBuilder::quote_style (line 270) ... ok
[INFO] [stdout] test src/writer.rs - writer::WriterBuilder::quote_style (line 294) ... ok
[INFO] [stdout] test src/writer.rs - writer::WriterBuilder::terminator (line 235) ... ok
[INFO] [stdout] test src/writer.rs - writer::WriterBuilder::build_stream (line 449) ... ok
[INFO] [stdout] test src/stream.rs - stream::Stream (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d970f6438c70c1da43f337fc51fbc8703b27dbc85c231146617fd54ba1bea0ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d970f6438c70c1da43f337fc51fbc8703b27dbc85c231146617fd54ba1bea0ad", kill_on_drop: false }`
[INFO] [stdout] d970f6438c70c1da43f337fc51fbc8703b27dbc85c231146617fd54ba1bea0ad