Nov 27 20:10:41.763 INFO checking snaar/drat against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 20:10:41.765 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 27 20:10:42.284 INFO [stdout] ed3e102a7f83ac87d0c749f3143d20cc0142d9fee6a97465a35d4d3f60fff731
Nov 27 20:10:42.286 INFO running `"docker" "start" "-a" "ed3e102a7f83ac87d0c749f3143d20cc0142d9fee6a97465a35d4d3f60fff731"`
Nov 27 20:10:43.812 INFO [stderr] usermod: no changes
Nov 27 20:10:44.165 INFO [stderr]     Checking lzf v0.3.1
Nov 27 20:10:44.181 INFO [stderr]     Checking memchr v2.0.1
Nov 27 20:10:44.181 INFO [stderr]     Checking log v0.4.3
Nov 27 20:10:44.210 INFO [stderr]    Compiling miniz-sys v0.1.10
Nov 27 20:10:44.212 INFO [stderr]    Compiling rand v0.4.2
Nov 27 20:10:44.215 INFO [stderr]     Checking uuid v0.6.5
Nov 27 20:10:44.218 INFO [stderr]    Compiling phf_shared v0.7.22
Nov 27 20:10:45.527 INFO [stderr]     Checking libflate v0.1.16
Nov 27 20:10:45.548 INFO [stderr]     Checking serde_urlencoded v0.5.2
Nov 27 20:10:45.552 INFO [stderr]     Checking tokio-io v0.1.7
Nov 27 20:10:45.637 INFO [stderr]     Checking mio v0.6.15
Nov 27 20:10:45.964 INFO [stderr]     Checking want v0.0.4
Nov 27 20:10:46.624 INFO [stderr]     Checking csv-core v0.1.4
Nov 27 20:10:47.760 INFO [stderr]     Checking tokio-threadpool v0.1.5
Nov 27 20:10:47.847 INFO [stderr]     Checking phf v0.7.22
Nov 27 20:10:50.265 INFO [stderr]     Checking csv v1.0.0
Nov 27 20:10:51.201 INFO [stderr]     Checking tokio-codec v0.1.0
Nov 27 20:10:51.285 INFO [stderr]     Checking flate2 v1.0.2
Nov 27 20:10:51.672 INFO [stderr]     Checking tokio-fs v0.1.3
Nov 27 20:10:52.478 INFO [stderr]     Checking tokio-reactor v0.1.3
Nov 27 20:10:53.625 INFO [stderr]    Compiling phf_generator v0.7.22
Nov 27 20:10:54.291 INFO [stderr]     Checking tokio-tcp v0.1.1
Nov 27 20:10:54.292 INFO [stderr]     Checking tokio-udp v0.1.1
Nov 27 20:10:54.581 INFO [stderr]    Compiling phf_codegen v0.7.22
Nov 27 20:10:55.344 INFO [stderr]    Compiling mime_guess v2.0.0-alpha.6
Nov 27 20:10:55.781 INFO [stderr]     Checking tokio v0.1.7
Nov 27 20:10:58.935 INFO [stderr]     Checking tokio-core v0.1.17
Nov 27 20:11:01.151 INFO [stderr]     Checking tokio-tls v0.1.4
Nov 27 20:11:01.153 INFO [stderr]     Checking hyper v0.11.27
Nov 27 20:11:06.846 INFO [stderr]     Checking hyper-tls v0.1.4
Nov 27 20:11:07.829 INFO [stderr]     Checking reqwest v0.8.7
Nov 27 20:11:09.860 INFO [stderr]     Checking drat v0.0.1 (/source)
Nov 27 20:11:12.020 INFO [stderr] warning: value assigned to `next_row` is never read
Nov 27 20:11:12.020 INFO [stderr]   --> src/file_record.rs:59:17
Nov 27 20:11:12.020 INFO [stderr]    |
Nov 27 20:11:12.020 INFO [stderr] 59 |         let mut next_row = None;
Nov 27 20:11:12.020 INFO [stderr]    |                 ^^^^^^^^
Nov 27 20:11:12.020 INFO [stderr]    |
Nov 27 20:11:12.020 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 27 20:11:12.020 INFO [stderr] 
Nov 27 20:11:12.020 INFO [stderr] warning: unused variable: `magic_num`
Nov 27 20:11:12.020 INFO [stderr]   --> src/read/dc_reader.rs:24:13
Nov 27 20:11:12.020 INFO [stderr]    |
Nov 27 20:11:12.020 INFO [stderr] 24 |         let magic_num = reader.read_u64::<BigEndian>().unwrap();
Nov 27 20:11:12.020 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_magic_num` instead
Nov 27 20:11:12.020 INFO [stderr]    |
Nov 27 20:11:12.020 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 20:11:12.020 INFO [stderr] 
Nov 27 20:11:12.020 INFO [stderr] warning: unused variable: `version`
Nov 27 20:11:12.020 INFO [stderr]   --> src/read/dc_reader.rs:25:13
Nov 27 20:11:12.020 INFO [stderr]    |
Nov 27 20:11:12.020 INFO [stderr] 25 |         let version = reader.read_u16::<BigEndian>().unwrap();
Nov 27 20:11:12.020 INFO [stderr]    |             ^^^^^^^ help: consider using `_version` instead
Nov 27 20:11:12.020 INFO [stderr] 
Nov 27 20:11:12.232 INFO [stderr] warning: method is never used: `delimiter`
Nov 27 20:11:12.233 INFO [stderr]   --> src/config.rs:46:5
Nov 27 20:11:12.233 INFO [stderr]    |
Nov 27 20:11:12.234 INFO [stderr] 46 |     pub fn delimiter(&self) -> u8 {
Nov 27 20:11:12.234 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:11:12.234 INFO [stderr]    |
Nov 27 20:11:12.234 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 20:11:12.235 INFO [stderr] 
Nov 27 20:11:12.235 INFO [stderr] warning: field is never used: `timestamp_column`
Nov 27 20:11:12.235 INFO [stderr]   --> src/file_record.rs:13:5
Nov 27 20:11:12.236 INFO [stderr]    |
Nov 27 20:11:12.236 INFO [stderr] 13 |     timestamp_column: usize,
Nov 27 20:11:12.236 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:11:12.237 INFO [stderr] 
Nov 27 20:11:12.237 INFO [stderr] warning: field is never used: `map_field_string`
Nov 27 20:11:12.237 INFO [stderr]   --> src/read/dc_reader.rs:18:5
Nov 27 20:11:12.237 INFO [stderr]    |
Nov 27 20:11:12.238 INFO [stderr] 18 |     map_field_string: HashMap<String, FieldType>,
Nov 27 20:11:12.238 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:11:12.238 INFO [stderr] 
Nov 27 20:11:12.238 INFO [stderr] warning: field is never used: `display_hint`
Nov 27 20:11:12.239 INFO [stderr]   --> src/read/types.rs:50:5
Nov 27 20:11:12.239 INFO [stderr]    |
Nov 27 20:11:12.240 INFO [stderr] 50 |     display_hint: i32, // -1: no hint, 0: timestamp
Nov 27 20:11:12.240 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Nov 27 20:11:12.240 INFO [stderr] 
Nov 27 20:11:12.240 INFO [stderr] warning: method is never used: `get_display_hint`
Nov 27 20:11:12.241 INFO [stderr]   --> src/read/types.rs:70:5
Nov 27 20:11:12.241 INFO [stderr]    |
Nov 27 20:11:12.241 INFO [stderr] 70 |     pub fn get_display_hint(&self) -> i32 {
Nov 27 20:11:12.242 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:11:12.242 INFO [stderr] 
Nov 27 20:11:12.242 INFO [stderr] warning: unused return value of `std::borrow::ToOwned::to_owned` that must be used
Nov 27 20:11:12.243 INFO [stderr]   --> src/args.rs:32:13
Nov 27 20:11:12.243 INFO [stderr]    |
Nov 27 20:11:12.243 INFO [stderr] 32 |             inputs_clone.push("-").to_owned(); // stdin
Nov 27 20:11:12.244 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:11:12.244 INFO [stderr]    |
Nov 27 20:11:12.244 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 20:11:12.245 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Nov 27 20:11:12.245 INFO [stderr] 
Nov 27 20:11:12.260 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 20:11:12.261 INFO [stderr]   --> src/read/dc_reader.rs:31:13
Nov 27 20:11:12.261 INFO [stderr]    |
Nov 27 20:11:12.261 INFO [stderr] 31 |             reader.read_u8();
Nov 27 20:11:12.262 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Nov 27 20:11:12.262 INFO [stderr]    |
Nov 27 20:11:12.262 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 20:11:12.263 INFO [stderr] 
Nov 27 20:11:12.263 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 20:11:12.263 INFO [stderr]   --> src/write/csv_sink.rs:55:20
Nov 27 20:11:12.263 INFO [stderr]    |
Nov 27 20:11:12.264 INFO [stderr] 55 |             else { write!(self.writer, ","); } //TODO figure out how to print single char without buffer
Nov 27 20:11:12.264 INFO [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:11:12.264 INFO [stderr]    |
Nov 27 20:11:12.265 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 20:11:12.265 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 27 20:11:12.265 INFO [stderr] 
Nov 27 20:11:12.266 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 20:11:12.266 INFO [stderr]   --> src/write/csv_sink.rs:59:9
Nov 27 20:11:12.266 INFO [stderr]    |
Nov 27 20:11:12.267 INFO [stderr] 59 |         self.writer.write(b"\n");
Nov 27 20:11:12.267 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:11:12.267 INFO [stderr]    |
Nov 27 20:11:12.268 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 20:11:12.268 INFO [stderr] 
Nov 27 20:11:12.556 INFO [stderr] warning: value assigned to `next_row` is never read
Nov 27 20:11:12.557 INFO [stderr]   --> src/file_record.rs:59:17
Nov 27 20:11:12.557 INFO [stderr]    |
Nov 27 20:11:12.558 INFO [stderr] 59 |         let mut next_row = None;
Nov 27 20:11:12.558 INFO [stderr]    |                 ^^^^^^^^
Nov 27 20:11:12.558 INFO [stderr]    |
Nov 27 20:11:12.559 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 27 20:11:12.559 INFO [stderr] 
Nov 27 20:11:12.559 INFO [stderr] warning: unused variable: `magic_num`
Nov 27 20:11:12.560 INFO [stderr]   --> src/read/dc_reader.rs:24:13
Nov 27 20:11:12.560 INFO [stderr]    |
Nov 27 20:11:12.560 INFO [stderr] 24 |         let magic_num = reader.read_u64::<BigEndian>().unwrap();
Nov 27 20:11:12.561 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_magic_num` instead
Nov 27 20:11:12.561 INFO [stderr]    |
Nov 27 20:11:12.561 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 20:11:12.562 INFO [stderr] 
Nov 27 20:11:12.562 INFO [stderr] warning: unused variable: `version`
Nov 27 20:11:12.562 INFO [stderr]   --> src/read/dc_reader.rs:25:13
Nov 27 20:11:12.563 INFO [stderr]    |
Nov 27 20:11:12.563 INFO [stderr] 25 |         let version = reader.read_u16::<BigEndian>().unwrap();
Nov 27 20:11:12.563 INFO [stderr]    |             ^^^^^^^ help: consider using `_version` instead
Nov 27 20:11:12.564 INFO [stderr] 
Nov 27 20:11:12.660 INFO [stderr] warning: method is never used: `delimiter`
Nov 27 20:11:12.661 INFO [stderr]   --> src/config.rs:46:5
Nov 27 20:11:12.661 INFO [stderr]    |
Nov 27 20:11:12.661 INFO [stderr] 46 |     pub fn delimiter(&self) -> u8 {
Nov 27 20:11:12.662 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:11:12.662 INFO [stderr]    |
Nov 27 20:11:12.662 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 20:11:12.662 INFO [stderr] 
Nov 27 20:11:12.663 INFO [stderr] warning: field is never used: `timestamp_column`
Nov 27 20:11:12.663 INFO [stderr]   --> src/file_record.rs:13:5
Nov 27 20:11:12.663 INFO [stderr]    |
Nov 27 20:11:12.663 INFO [stderr] 13 |     timestamp_column: usize,
Nov 27 20:11:12.664 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:11:12.664 INFO [stderr] 
Nov 27 20:11:12.664 INFO [stderr] warning: field is never used: `map_field_string`
Nov 27 20:11:12.665 INFO [stderr]   --> src/read/dc_reader.rs:18:5
Nov 27 20:11:12.665 INFO [stderr]    |
Nov 27 20:11:12.665 INFO [stderr] 18 |     map_field_string: HashMap<String, FieldType>,
Nov 27 20:11:12.665 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:11:12.666 INFO [stderr] 
Nov 27 20:11:12.666 INFO [stderr] warning: field is never used: `display_hint`
Nov 27 20:11:12.666 INFO [stderr]   --> src/read/types.rs:50:5
Nov 27 20:11:12.666 INFO [stderr]    |
Nov 27 20:11:12.667 INFO [stderr] 50 |     display_hint: i32, // -1: no hint, 0: timestamp
Nov 27 20:11:12.667 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Nov 27 20:11:12.667 INFO [stderr] 
Nov 27 20:11:12.667 INFO [stderr] warning: method is never used: `get_display_hint`
Nov 27 20:11:12.668 INFO [stderr]   --> src/read/types.rs:70:5
Nov 27 20:11:12.668 INFO [stderr]    |
Nov 27 20:11:12.668 INFO [stderr] 70 |     pub fn get_display_hint(&self) -> i32 {
Nov 27 20:11:12.668 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:11:12.669 INFO [stderr] 
Nov 27 20:11:12.669 INFO [stderr] warning: unused return value of `std::borrow::ToOwned::to_owned` that must be used
Nov 27 20:11:12.669 INFO [stderr]   --> src/args.rs:32:13
Nov 27 20:11:12.669 INFO [stderr]    |
Nov 27 20:11:12.670 INFO [stderr] 32 |             inputs_clone.push("-").to_owned(); // stdin
Nov 27 20:11:12.670 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:11:12.670 INFO [stderr]    |
Nov 27 20:11:12.670 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 20:11:12.671 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Nov 27 20:11:12.671 INFO [stderr] 
Nov 27 20:11:12.671 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 20:11:12.672 INFO [stderr]   --> src/read/dc_reader.rs:31:13
Nov 27 20:11:12.672 INFO [stderr]    |
Nov 27 20:11:12.672 INFO [stderr] 31 |             reader.read_u8();
Nov 27 20:11:12.672 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Nov 27 20:11:12.682 INFO [stderr]    |
Nov 27 20:11:12.683 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 20:11:12.683 INFO [stderr] 
Nov 27 20:11:12.683 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 20:11:12.683 INFO [stderr]   --> src/write/csv_sink.rs:55:20
Nov 27 20:11:12.683 INFO [stderr]    |
Nov 27 20:11:12.683 INFO [stderr] 55 |             else { write!(self.writer, ","); } //TODO figure out how to print single char without buffer
Nov 27 20:11:12.683 INFO [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:11:12.683 INFO [stderr]    |
Nov 27 20:11:12.683 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 20:11:12.683 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 27 20:11:12.683 INFO [stderr] 
Nov 27 20:11:12.683 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 20:11:12.683 INFO [stderr]   --> src/write/csv_sink.rs:59:9
Nov 27 20:11:12.683 INFO [stderr]    |
Nov 27 20:11:12.683 INFO [stderr] 59 |         self.writer.write(b"\n");
Nov 27 20:11:12.683 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:11:12.683 INFO [stderr]    |
Nov 27 20:11:12.683 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 20:11:12.683 INFO [stderr] 
Nov 27 20:11:12.756 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.91s
Nov 27 20:11:12.775 INFO [stderr] su: No module specific data is present
Nov 27 20:11:13.205 INFO running `"docker" "inspect" "ed3e102a7f83ac87d0c749f3143d20cc0142d9fee6a97465a35d4d3f60fff731"`
Nov 27 20:11:13.359 INFO running `"docker" "rm" "-f" "ed3e102a7f83ac87d0c749f3143d20cc0142d9fee6a97465a35d4d3f60fff731"`
Nov 27 20:11:13.494 INFO [stdout] ed3e102a7f83ac87d0c749f3143d20cc0142d9fee6a97465a35d4d3f60fff731