Dec 17 15:09:50.965 INFO checking snaar/drat against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 15:09:50.965 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/snaar/drat:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 15:09:51.484 INFO [stdout] a0f651a09e2edf67918aaa06fde6ce0ed23fd4c496a563af74a34cdb8ea26a90
Dec 17 15:09:51.489 INFO running `"docker" "start" "-a" "a0f651a09e2edf67918aaa06fde6ce0ed23fd4c496a563af74a34cdb8ea26a90"`
Dec 17 15:09:52.880 INFO [stderr]     Checking lzf v0.3.1
Dec 17 15:09:52.880 INFO [stderr]     Checking crossbeam-utils v0.3.2
Dec 17 15:09:52.880 INFO [stderr]     Checking log v0.4.3
Dec 17 15:09:52.892 INFO [stderr]     Checking encoding_rs v0.7.2
Dec 17 15:09:52.892 INFO [stderr]     Checking memchr v2.0.1
Dec 17 15:09:52.896 INFO [stderr]    Compiling miniz-sys v0.1.10
Dec 17 15:09:52.897 INFO [stderr]     Checking tokio-executor v0.1.3
Dec 17 15:09:52.897 INFO [stderr]    Compiling rand v0.4.2
Dec 17 15:09:53.524 INFO [stderr]     Checking bytes v0.4.9
Dec 17 15:09:53.676 INFO [stderr]     Checking uuid v0.6.5
Dec 17 15:09:54.016 INFO [stderr]     Checking csv-core v0.1.4
Dec 17 15:09:54.084 INFO [stderr]     Checking mio v0.6.15
Dec 17 15:09:54.417 INFO [stderr]     Checking want v0.0.4
Dec 17 15:09:54.956 INFO [stderr]     Checking crossbeam-epoch v0.4.3
Dec 17 15:09:55.532 INFO [stderr]    Compiling phf_shared v0.7.22
Dec 17 15:09:56.397 INFO [stderr]     Checking tokio-timer v0.2.5
Dec 17 15:09:56.766 INFO [stderr]     Checking libflate v0.1.16
Dec 17 15:09:56.794 INFO [stderr]     Checking serde_urlencoded v0.5.2
Dec 17 15:09:57.576 INFO [stderr]     Checking phf v0.7.22
Dec 17 15:09:59.433 INFO [stderr]     Checking csv v1.0.0
Dec 17 15:10:02.448 INFO [stderr]     Checking tokio-io v0.1.7
Dec 17 15:10:02.660 INFO [stderr]     Checking crossbeam-deque v0.3.1
Dec 17 15:10:02.768 INFO [stderr]    Compiling phf_generator v0.7.22
Dec 17 15:10:03.652 INFO [stderr]     Checking flate2 v1.0.2
Dec 17 15:10:04.148 INFO [stderr]    Compiling phf_codegen v0.7.22
Dec 17 15:10:04.580 INFO [stderr]     Checking tokio-threadpool v0.1.5
Dec 17 15:10:06.252 INFO [stderr]    Compiling mime_guess v2.0.0-alpha.6
Dec 17 15:10:08.098 INFO [stderr]     Checking tokio-codec v0.1.0
Dec 17 15:10:08.102 INFO [stderr]     Checking tokio-reactor v0.1.3
Dec 17 15:10:09.103 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 17 15:10:11.214 INFO [stderr]     Checking tokio-udp v0.1.1
Dec 17 15:10:11.356 INFO [stderr]     Checking tokio-tcp v0.1.1
Dec 17 15:10:12.616 INFO [stderr]     Checking tokio v0.1.7
Dec 17 15:10:13.603 INFO [stderr]     Checking tokio-core v0.1.17
Dec 17 15:10:14.728 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 17 15:10:14.728 INFO [stderr]     Checking hyper v0.11.27
Dec 17 15:10:19.248 INFO [stderr]     Checking hyper-tls v0.1.4
Dec 17 15:10:19.656 INFO [stderr]     Checking reqwest v0.8.7
Dec 17 15:10:20.835 INFO [stderr]     Checking drat v0.0.1 (/opt/crater/workdir)
Dec 17 15:10:21.473 INFO [stderr] warning: value assigned to `next_row` is never read
Dec 17 15:10:21.473 INFO [stderr]   --> src/file_record.rs:59:17
Dec 17 15:10:21.473 INFO [stderr]    |
Dec 17 15:10:21.473 INFO [stderr] 59 |         let mut next_row = None;
Dec 17 15:10:21.473 INFO [stderr]    |                 ^^^^^^^^
Dec 17 15:10:21.473 INFO [stderr]    |
Dec 17 15:10:21.473 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 17 15:10:21.473 INFO [stderr] 
Dec 17 15:10:21.473 INFO [stderr] warning: unused variable: `magic_num`
Dec 17 15:10:21.473 INFO [stderr]   --> src/read/dc_reader.rs:24:13
Dec 17 15:10:21.473 INFO [stderr]    |
Dec 17 15:10:21.473 INFO [stderr] 24 |         let magic_num = reader.read_u64::<BigEndian>().unwrap();
Dec 17 15:10:21.473 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_magic_num` instead
Dec 17 15:10:21.473 INFO [stderr]    |
Dec 17 15:10:21.473 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 15:10:21.473 INFO [stderr] 
Dec 17 15:10:21.473 INFO [stderr] warning: unused variable: `version`
Dec 17 15:10:21.473 INFO [stderr]   --> src/read/dc_reader.rs:25:13
Dec 17 15:10:21.473 INFO [stderr]    |
Dec 17 15:10:21.473 INFO [stderr] 25 |         let version = reader.read_u16::<BigEndian>().unwrap();
Dec 17 15:10:21.473 INFO [stderr]    |             ^^^^^^^ help: consider using `_version` instead
Dec 17 15:10:21.473 INFO [stderr] 
Dec 17 15:10:21.500 INFO [stderr] warning: value assigned to `next_row` is never read
Dec 17 15:10:21.500 INFO [stderr]   --> src/file_record.rs:59:17
Dec 17 15:10:21.500 INFO [stderr]    |
Dec 17 15:10:21.500 INFO [stderr] 59 |         let mut next_row = None;
Dec 17 15:10:21.500 INFO [stderr]    |                 ^^^^^^^^
Dec 17 15:10:21.501 INFO [stderr]    |
Dec 17 15:10:21.501 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 17 15:10:21.501 INFO [stderr] 
Dec 17 15:10:21.501 INFO [stderr] warning: unused variable: `magic_num`
Dec 17 15:10:21.501 INFO [stderr]   --> src/read/dc_reader.rs:24:13
Dec 17 15:10:21.501 INFO [stderr]    |
Dec 17 15:10:21.501 INFO [stderr] 24 |         let magic_num = reader.read_u64::<BigEndian>().unwrap();
Dec 17 15:10:21.501 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_magic_num` instead
Dec 17 15:10:21.501 INFO [stderr]    |
Dec 17 15:10:21.501 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 15:10:21.501 INFO [stderr] 
Dec 17 15:10:21.501 INFO [stderr] warning: unused variable: `version`
Dec 17 15:10:21.501 INFO [stderr]   --> src/read/dc_reader.rs:25:13
Dec 17 15:10:21.501 INFO [stderr]    |
Dec 17 15:10:21.501 INFO [stderr] 25 |         let version = reader.read_u16::<BigEndian>().unwrap();
Dec 17 15:10:21.501 INFO [stderr]    |             ^^^^^^^ help: consider using `_version` instead
Dec 17 15:10:21.501 INFO [stderr] 
Dec 17 15:10:21.565 INFO [stderr] warning: method is never used: `delimiter`
Dec 17 15:10:21.565 INFO [stderr]   --> src/config.rs:46:5
Dec 17 15:10:21.565 INFO [stderr]    |
Dec 17 15:10:21.565 INFO [stderr] 46 |     pub fn delimiter(&self) -> u8 {
Dec 17 15:10:21.565 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:10:21.566 INFO [stderr]    |
Dec 17 15:10:21.566 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 15:10:21.566 INFO [stderr] 
Dec 17 15:10:21.566 INFO [stderr] warning: field is never used: `timestamp_column`
Dec 17 15:10:21.566 INFO [stderr]   --> src/file_record.rs:13:5
Dec 17 15:10:21.566 INFO [stderr]    |
Dec 17 15:10:21.566 INFO [stderr] 13 |     timestamp_column: usize,
Dec 17 15:10:21.566 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:10:21.566 INFO [stderr] 
Dec 17 15:10:21.567 INFO [stderr] warning: field is never used: `map_field_string`
Dec 17 15:10:21.567 INFO [stderr]   --> src/read/dc_reader.rs:18:5
Dec 17 15:10:21.567 INFO [stderr]    |
Dec 17 15:10:21.567 INFO [stderr] 18 |     map_field_string: HashMap<String, FieldType>,
Dec 17 15:10:21.567 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:10:21.567 INFO [stderr] 
Dec 17 15:10:21.569 INFO [stderr] warning: field is never used: `display_hint`
Dec 17 15:10:21.569 INFO [stderr]   --> src/read/types.rs:50:5
Dec 17 15:10:21.569 INFO [stderr]    |
Dec 17 15:10:21.569 INFO [stderr] 50 |     display_hint: i32, // -1: no hint, 0: timestamp
Dec 17 15:10:21.569 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 17 15:10:21.569 INFO [stderr] 
Dec 17 15:10:21.569 INFO [stderr] warning: method is never used: `get_display_hint`
Dec 17 15:10:21.569 INFO [stderr]   --> src/read/types.rs:70:5
Dec 17 15:10:21.569 INFO [stderr]    |
Dec 17 15:10:21.569 INFO [stderr] 70 |     pub fn get_display_hint(&self) -> i32 {
Dec 17 15:10:21.570 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:10:21.570 INFO [stderr] 
Dec 17 15:10:21.570 INFO [stderr] warning: method is never used: `delimiter`
Dec 17 15:10:21.570 INFO [stderr]   --> src/config.rs:46:5
Dec 17 15:10:21.570 INFO [stderr]    |
Dec 17 15:10:21.570 INFO [stderr] 46 |     pub fn delimiter(&self) -> u8 {
Dec 17 15:10:21.570 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:10:21.570 INFO [stderr]    |
Dec 17 15:10:21.570 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 15:10:21.570 INFO [stderr] 
Dec 17 15:10:21.570 INFO [stderr] warning: field is never used: `timestamp_column`
Dec 17 15:10:21.570 INFO [stderr]   --> src/file_record.rs:13:5
Dec 17 15:10:21.570 INFO [stderr]    |
Dec 17 15:10:21.570 INFO [stderr] 13 |     timestamp_column: usize,
Dec 17 15:10:21.570 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:10:21.570 INFO [stderr] 
Dec 17 15:10:21.570 INFO [stderr] warning: field is never used: `map_field_string`
Dec 17 15:10:21.570 INFO [stderr]   --> src/read/dc_reader.rs:18:5
Dec 17 15:10:21.570 INFO [stderr]    |
Dec 17 15:10:21.570 INFO [stderr] 18 |     map_field_string: HashMap<String, FieldType>,
Dec 17 15:10:21.570 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:10:21.570 INFO [stderr] 
Dec 17 15:10:21.570 INFO [stderr] warning: field is never used: `display_hint`
Dec 17 15:10:21.570 INFO [stderr]   --> src/read/types.rs:50:5
Dec 17 15:10:21.570 INFO [stderr]    |
Dec 17 15:10:21.570 INFO [stderr] 50 |     display_hint: i32, // -1: no hint, 0: timestamp
Dec 17 15:10:21.570 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 17 15:10:21.570 INFO [stderr] 
Dec 17 15:10:21.570 INFO [stderr] warning: method is never used: `get_display_hint`
Dec 17 15:10:21.570 INFO [stderr]   --> src/read/types.rs:70:5
Dec 17 15:10:21.570 INFO [stderr]    |
Dec 17 15:10:21.570 INFO [stderr] 70 |     pub fn get_display_hint(&self) -> i32 {
Dec 17 15:10:21.570 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:10:21.570 INFO [stderr] 
Dec 17 15:10:21.571 INFO [stderr] warning: unused return value of `std::borrow::ToOwned::to_owned` that must be used
Dec 17 15:10:21.571 INFO [stderr]   --> src/args.rs:32:13
Dec 17 15:10:21.571 INFO [stderr]    |
Dec 17 15:10:21.571 INFO [stderr] 32 |             inputs_clone.push("-").to_owned(); // stdin
Dec 17 15:10:21.571 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:10:21.571 INFO [stderr]    |
Dec 17 15:10:21.571 INFO [stderr] warning: unused return value of `std::borrow::ToOwned::to_owned` that must be used
Dec 17 15:10:21.571 INFO [stderr]   --> src/args.rs:32:13
Dec 17 15:10:21.571 INFO [stderr]    |
Dec 17 15:10:21.571 INFO [stderr] 32 |             inputs_clone.push("-").to_owned(); // stdin
Dec 17 15:10:21.571 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:10:21.571 INFO [stderr]    |
Dec 17 15:10:21.571 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 15:10:21.571 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 17 15:10:21.571 INFO [stderr] 
Dec 17 15:10:21.572 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 15:10:21.572 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 17 15:10:21.572 INFO [stderr] 
Dec 17 15:10:21.573 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 15:10:21.573 INFO [stderr]   --> src/read/dc_reader.rs:31:13
Dec 17 15:10:21.573 INFO [stderr]    |
Dec 17 15:10:21.573 INFO [stderr] 31 |             reader.read_u8();
Dec 17 15:10:21.573 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Dec 17 15:10:21.573 INFO [stderr]    |
Dec 17 15:10:21.573 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 15:10:21.573 INFO [stderr] 
Dec 17 15:10:21.574 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 15:10:21.574 INFO [stderr]   --> src/read/dc_reader.rs:31:13
Dec 17 15:10:21.574 INFO [stderr]    |
Dec 17 15:10:21.574 INFO [stderr] 31 |             reader.read_u8();
Dec 17 15:10:21.574 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Dec 17 15:10:21.574 INFO [stderr]    |
Dec 17 15:10:21.574 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 15:10:21.574 INFO [stderr] 
Dec 17 15:10:21.580 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 15:10:21.580 INFO [stderr]   --> src/write/csv_sink.rs:55:20
Dec 17 15:10:21.580 INFO [stderr]    |
Dec 17 15:10:21.580 INFO [stderr] 55 |             else { write!(self.writer, ","); } //TODO figure out how to print single char without buffer
Dec 17 15:10:21.580 INFO [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:10:21.580 INFO [stderr]    |
Dec 17 15:10:21.580 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 15:10:21.580 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)
Dec 17 15:10:21.580 INFO [stderr] 
Dec 17 15:10:21.580 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 15:10:21.580 INFO [stderr]   --> src/write/csv_sink.rs:59:9
Dec 17 15:10:21.580 INFO [stderr]    |
Dec 17 15:10:21.580 INFO [stderr] 59 |         self.writer.write(b"\n");
Dec 17 15:10:21.580 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:10:21.580 INFO [stderr]    |
Dec 17 15:10:21.580 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 15:10:21.580 INFO [stderr] 
Dec 17 15:10:21.580 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 15:10:21.580 INFO [stderr]   --> src/write/csv_sink.rs:55:20
Dec 17 15:10:21.580 INFO [stderr]    |
Dec 17 15:10:21.580 INFO [stderr] 55 |             else { write!(self.writer, ","); } //TODO figure out how to print single char without buffer
Dec 17 15:10:21.580 INFO [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:10:21.580 INFO [stderr]    |
Dec 17 15:10:21.580 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 15:10:21.580 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)
Dec 17 15:10:21.580 INFO [stderr] 
Dec 17 15:10:21.580 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 15:10:21.580 INFO [stderr]   --> src/write/csv_sink.rs:59:9
Dec 17 15:10:21.580 INFO [stderr]    |
Dec 17 15:10:21.580 INFO [stderr] 59 |         self.writer.write(b"\n");
Dec 17 15:10:21.580 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:10:21.580 INFO [stderr]    |
Dec 17 15:10:21.580 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 15:10:21.580 INFO [stderr] 
Dec 17 15:10:21.604 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.96s
Dec 17 15:10:21.882 INFO running `"docker" "inspect" "a0f651a09e2edf67918aaa06fde6ce0ed23fd4c496a563af74a34cdb8ea26a90"`
Dec 17 15:10:21.954 INFO running `"docker" "rm" "-f" "a0f651a09e2edf67918aaa06fde6ce0ed23fd4c496a563af74a34cdb8ea26a90"`
Dec 17 15:10:22.063 INFO [stdout] a0f651a09e2edf67918aaa06fde6ce0ed23fd4c496a563af74a34cdb8ea26a90