Dec 04 09:55:46.081 INFO checking snaar/drat against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 09:55:46.081 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 09:55:46.451 INFO [stdout] 776f51504610576678cbd916207e0418d6945f8c5981db5c826e3d25a2660977
Dec 04 09:55:46.453 INFO running `"docker" "start" "-a" "776f51504610576678cbd916207e0418d6945f8c5981db5c826e3d25a2660977"`
Dec 04 09:55:47.903 INFO [stderr] usermod: no changes
Dec 04 09:55:48.191 INFO [stderr]     Checking lzf v0.3.1
Dec 04 09:55:48.191 INFO [stderr]     Checking memchr v2.0.1
Dec 04 09:55:48.195 INFO [stderr]     Checking log v0.4.3
Dec 04 09:55:48.195 INFO [stderr]    Compiling miniz-sys v0.1.10
Dec 04 09:55:48.839 INFO [stderr]     Checking csv-core v0.1.4
Dec 04 09:55:49.239 INFO [stderr]     Checking mio v0.6.15
Dec 04 09:55:49.239 INFO [stderr]     Checking tokio-io v0.1.7
Dec 04 09:55:49.239 INFO [stderr]     Checking tokio-threadpool v0.1.5
Dec 04 09:55:49.239 INFO [stderr]     Checking want v0.0.4
Dec 04 09:55:50.123 INFO [stderr]     Checking csv v1.0.0
Dec 04 09:55:52.450 INFO [stderr]     Checking flate2 v1.0.2
Dec 04 09:55:53.335 INFO [stderr]     Checking tokio-codec v0.1.0
Dec 04 09:55:53.335 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 04 09:55:55.519 INFO [stderr]     Checking tokio-reactor v0.1.3
Dec 04 09:55:56.357 INFO [stderr]     Checking tokio-udp v0.1.1
Dec 04 09:55:56.360 INFO [stderr]     Checking tokio-tcp v0.1.1
Dec 04 09:55:57.213 INFO [stderr]     Checking tokio v0.1.7
Dec 04 09:55:58.409 INFO [stderr]     Checking tokio-core v0.1.17
Dec 04 09:56:00.019 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 04 09:56:00.019 INFO [stderr]     Checking hyper v0.11.27
Dec 04 09:56:05.683 INFO [stderr]     Checking hyper-tls v0.1.4
Dec 04 09:56:06.655 INFO [stderr]     Checking reqwest v0.8.7
Dec 04 09:56:08.871 INFO [stderr]     Checking drat v0.0.1 (/source)
Dec 04 09:56:10.859 INFO [stderr] warning: value assigned to `next_row` is never read
Dec 04 09:56:10.859 INFO [stderr]   --> src/file_record.rs:59:17
Dec 04 09:56:10.859 INFO [stderr]    |
Dec 04 09:56:10.859 INFO [stderr] 59 |         let mut next_row = None;
Dec 04 09:56:10.859 INFO [stderr]    |                 ^^^^^^^^
Dec 04 09:56:10.859 INFO [stderr]    |
Dec 04 09:56:10.859 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 09:56:10.859 INFO [stderr] 
Dec 04 09:56:10.859 INFO [stderr] warning: unused variable: `magic_num`
Dec 04 09:56:10.859 INFO [stderr]   --> src/read/dc_reader.rs:24:13
Dec 04 09:56:10.859 INFO [stderr]    |
Dec 04 09:56:10.859 INFO [stderr] 24 |         let magic_num = reader.read_u64::<BigEndian>().unwrap();
Dec 04 09:56:10.859 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_magic_num` instead
Dec 04 09:56:10.859 INFO [stderr]    |
Dec 04 09:56:10.863 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 09:56:10.863 INFO [stderr] 
Dec 04 09:56:10.863 INFO [stderr] warning: unused variable: `version`
Dec 04 09:56:10.863 INFO [stderr]   --> src/read/dc_reader.rs:25:13
Dec 04 09:56:10.863 INFO [stderr]    |
Dec 04 09:56:10.863 INFO [stderr] 25 |         let version = reader.read_u16::<BigEndian>().unwrap();
Dec 04 09:56:10.863 INFO [stderr]    |             ^^^^^^^ help: consider using `_version` instead
Dec 04 09:56:10.863 INFO [stderr] 
Dec 04 09:56:10.937 INFO [stderr] warning: method is never used: `delimiter`
Dec 04 09:56:10.937 INFO [stderr]   --> src/config.rs:46:5
Dec 04 09:56:10.937 INFO [stderr]    |
Dec 04 09:56:10.937 INFO [stderr] 46 |     pub fn delimiter(&self) -> u8 {
Dec 04 09:56:10.938 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:56:10.938 INFO [stderr]    |
Dec 04 09:56:10.939 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 09:56:10.939 INFO [stderr] 
Dec 04 09:56:10.939 INFO [stderr] warning: field is never used: `timestamp_column`
Dec 04 09:56:10.939 INFO [stderr]   --> src/file_record.rs:13:5
Dec 04 09:56:10.939 INFO [stderr]    |
Dec 04 09:56:10.939 INFO [stderr] 13 |     timestamp_column: usize,
Dec 04 09:56:10.939 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:56:10.939 INFO [stderr] 
Dec 04 09:56:10.940 INFO [stderr] warning: field is never used: `map_field_string`
Dec 04 09:56:10.940 INFO [stderr]   --> src/read/dc_reader.rs:18:5
Dec 04 09:56:10.940 INFO [stderr]    |
Dec 04 09:56:10.940 INFO [stderr] 18 |     map_field_string: HashMap<String, FieldType>,
Dec 04 09:56:10.940 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:56:10.940 INFO [stderr] 
Dec 04 09:56:10.940 INFO [stderr] warning: field is never used: `display_hint`
Dec 04 09:56:10.940 INFO [stderr]   --> src/read/types.rs:50:5
Dec 04 09:56:10.940 INFO [stderr]    |
Dec 04 09:56:10.940 INFO [stderr] 50 |     display_hint: i32, // -1: no hint, 0: timestamp
Dec 04 09:56:10.940 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 04 09:56:10.940 INFO [stderr] 
Dec 04 09:56:10.942 INFO [stderr] warning: method is never used: `get_display_hint`
Dec 04 09:56:10.942 INFO [stderr]   --> src/read/types.rs:70:5
Dec 04 09:56:10.942 INFO [stderr]    |
Dec 04 09:56:10.942 INFO [stderr] 70 |     pub fn get_display_hint(&self) -> i32 {
Dec 04 09:56:10.942 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:56:10.942 INFO [stderr] 
Dec 04 09:56:10.942 INFO [stderr] warning: unused return value of `std::borrow::ToOwned::to_owned` that must be used
Dec 04 09:56:10.943 INFO [stderr]   --> src/args.rs:32:13
Dec 04 09:56:10.943 INFO [stderr]    |
Dec 04 09:56:10.943 INFO [stderr] 32 |             inputs_clone.push("-").to_owned(); // stdin
Dec 04 09:56:10.943 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:56:10.944 INFO [stderr]    |
Dec 04 09:56:10.944 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 09:56:10.944 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 04 09:56:10.946 INFO [stderr] 
Dec 04 09:56:10.946 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:56:10.946 INFO [stderr]   --> src/read/dc_reader.rs:31:13
Dec 04 09:56:10.947 INFO [stderr]    |
Dec 04 09:56:10.947 INFO [stderr] 31 |             reader.read_u8();
Dec 04 09:56:10.947 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Dec 04 09:56:10.948 INFO [stderr]    |
Dec 04 09:56:10.948 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:56:10.951 INFO [stderr] 
Dec 04 09:56:10.951 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:56:10.951 INFO [stderr]   --> src/write/csv_sink.rs:55:20
Dec 04 09:56:10.951 INFO [stderr]    |
Dec 04 09:56:10.952 INFO [stderr] 55 |             else { write!(self.writer, ","); } //TODO figure out how to print single char without buffer
Dec 04 09:56:10.952 INFO [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:56:10.952 INFO [stderr]    |
Dec 04 09:56:10.953 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:56:10.953 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 04 09:56:10.953 INFO [stderr] 
Dec 04 09:56:10.953 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:56:10.954 INFO [stderr]   --> src/write/csv_sink.rs:59:9
Dec 04 09:56:10.954 INFO [stderr]    |
Dec 04 09:56:10.954 INFO [stderr] 59 |         self.writer.write(b"\n");
Dec 04 09:56:10.954 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:56:10.954 INFO [stderr]    |
Dec 04 09:56:10.954 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:56:10.956 INFO [stderr] 
Dec 04 09:56:11.378 INFO [stderr] warning: value assigned to `next_row` is never read
Dec 04 09:56:11.379 INFO [stderr]   --> src/file_record.rs:59:17
Dec 04 09:56:11.379 INFO [stderr]    |
Dec 04 09:56:11.379 INFO [stderr] 59 |         let mut next_row = None;
Dec 04 09:56:11.379 INFO [stderr]    |                 ^^^^^^^^
Dec 04 09:56:11.379 INFO [stderr]    |
Dec 04 09:56:11.379 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 09:56:11.379 INFO [stderr] 
Dec 04 09:56:11.379 INFO [stderr] warning: unused variable: `magic_num`
Dec 04 09:56:11.379 INFO [stderr]   --> src/read/dc_reader.rs:24:13
Dec 04 09:56:11.379 INFO [stderr]    |
Dec 04 09:56:11.379 INFO [stderr] 24 |         let magic_num = reader.read_u64::<BigEndian>().unwrap();
Dec 04 09:56:11.379 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_magic_num` instead
Dec 04 09:56:11.379 INFO [stderr]    |
Dec 04 09:56:11.379 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 09:56:11.379 INFO [stderr] 
Dec 04 09:56:11.379 INFO [stderr] warning: unused variable: `version`
Dec 04 09:56:11.379 INFO [stderr]   --> src/read/dc_reader.rs:25:13
Dec 04 09:56:11.379 INFO [stderr]    |
Dec 04 09:56:11.379 INFO [stderr] 25 |         let version = reader.read_u16::<BigEndian>().unwrap();
Dec 04 09:56:11.379 INFO [stderr]    |             ^^^^^^^ help: consider using `_version` instead
Dec 04 09:56:11.379 INFO [stderr] 
Dec 04 09:56:11.459 INFO [stderr] warning: method is never used: `delimiter`
Dec 04 09:56:11.459 INFO [stderr]   --> src/config.rs:46:5
Dec 04 09:56:11.459 INFO [stderr]    |
Dec 04 09:56:11.459 INFO [stderr] 46 |     pub fn delimiter(&self) -> u8 {
Dec 04 09:56:11.459 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:56:11.459 INFO [stderr]    |
Dec 04 09:56:11.459 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 09:56:11.459 INFO [stderr] 
Dec 04 09:56:11.459 INFO [stderr] warning: field is never used: `timestamp_column`
Dec 04 09:56:11.459 INFO [stderr]   --> src/file_record.rs:13:5
Dec 04 09:56:11.459 INFO [stderr]    |
Dec 04 09:56:11.459 INFO [stderr] 13 |     timestamp_column: usize,
Dec 04 09:56:11.459 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:56:11.459 INFO [stderr] 
Dec 04 09:56:11.459 INFO [stderr] warning: field is never used: `map_field_string`
Dec 04 09:56:11.459 INFO [stderr]   --> src/read/dc_reader.rs:18:5
Dec 04 09:56:11.459 INFO [stderr]    |
Dec 04 09:56:11.459 INFO [stderr] 18 |     map_field_string: HashMap<String, FieldType>,
Dec 04 09:56:11.459 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:56:11.459 INFO [stderr] 
Dec 04 09:56:11.459 INFO [stderr] warning: field is never used: `display_hint`
Dec 04 09:56:11.459 INFO [stderr]   --> src/read/types.rs:50:5
Dec 04 09:56:11.459 INFO [stderr]    |
Dec 04 09:56:11.459 INFO [stderr] 50 |     display_hint: i32, // -1: no hint, 0: timestamp
Dec 04 09:56:11.459 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 04 09:56:11.459 INFO [stderr] 
Dec 04 09:56:11.459 INFO [stderr] warning: method is never used: `get_display_hint`
Dec 04 09:56:11.459 INFO [stderr]   --> src/read/types.rs:70:5
Dec 04 09:56:11.459 INFO [stderr]    |
Dec 04 09:56:11.459 INFO [stderr] 70 |     pub fn get_display_hint(&self) -> i32 {
Dec 04 09:56:11.459 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:56:11.459 INFO [stderr] 
Dec 04 09:56:11.463 INFO [stderr] warning: unused return value of `std::borrow::ToOwned::to_owned` that must be used
Dec 04 09:56:11.463 INFO [stderr]   --> src/args.rs:32:13
Dec 04 09:56:11.463 INFO [stderr]    |
Dec 04 09:56:11.463 INFO [stderr] 32 |             inputs_clone.push("-").to_owned(); // stdin
Dec 04 09:56:11.463 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:56:11.463 INFO [stderr]    |
Dec 04 09:56:11.463 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 09:56:11.463 INFO [stderr]    = note: cloning is often expensive and is not expected to have side effects
Dec 04 09:56:11.463 INFO [stderr] 
Dec 04 09:56:11.463 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:56:11.463 INFO [stderr]   --> src/read/dc_reader.rs:31:13
Dec 04 09:56:11.463 INFO [stderr]    |
Dec 04 09:56:11.463 INFO [stderr] 31 |             reader.read_u8();
Dec 04 09:56:11.463 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Dec 04 09:56:11.463 INFO [stderr]    |
Dec 04 09:56:11.463 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:56:11.463 INFO [stderr] 
Dec 04 09:56:11.465 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:56:11.465 INFO [stderr]   --> src/write/csv_sink.rs:55:20
Dec 04 09:56:11.465 INFO [stderr]    |
Dec 04 09:56:11.465 INFO [stderr] 55 |             else { write!(self.writer, ","); } //TODO figure out how to print single char without buffer
Dec 04 09:56:11.465 INFO [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:56:11.465 INFO [stderr]    |
Dec 04 09:56:11.465 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:56:11.465 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 04 09:56:11.465 INFO [stderr] 
Dec 04 09:56:11.465 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:56:11.465 INFO [stderr]   --> src/write/csv_sink.rs:59:9
Dec 04 09:56:11.465 INFO [stderr]    |
Dec 04 09:56:11.465 INFO [stderr] 59 |         self.writer.write(b"\n");
Dec 04 09:56:11.465 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:56:11.465 INFO [stderr]    |
Dec 04 09:56:11.465 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:56:11.465 INFO [stderr] 
Dec 04 09:56:11.489 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.56s
Dec 04 09:56:11.503 INFO [stderr] su: No module specific data is present
Dec 04 09:56:12.192 INFO running `"docker" "inspect" "776f51504610576678cbd916207e0418d6945f8c5981db5c826e3d25a2660977"`
Dec 04 09:56:12.373 INFO running `"docker" "rm" "-f" "776f51504610576678cbd916207e0418d6945f8c5981db5c826e3d25a2660977"`
Dec 04 09:56:12.555 INFO [stdout] 776f51504610576678cbd916207e0418d6945f8c5981db5c826e3d25a2660977