Dec 11 22:03:00.280 INFO checking bahusvel/dssc against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 22:03:00.280 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 22:03:00.480 INFO [stdout] 7ceb026f82894e19d5e6f288ffda6c616b4cb67dc69304cd905a44b3c4cb1c0f
Dec 11 22:03:00.486 INFO running `"docker" "start" "-a" "7ceb026f82894e19d5e6f288ffda6c616b4cb67dc69304cd905a44b3c4cb1c0f"`
Dec 11 22:03:01.061 INFO [stderr] usermod: no changes
Dec 11 22:03:01.152 INFO [stderr]    Compiling zstd-sys v1.4.2+zstd.1.3.3
Dec 11 22:03:34.462 INFO [stderr]     Checking zstd-safe v1.4.2+zstd.1.3.3
Dec 11 22:03:34.904 INFO [stderr]     Checking zstd v0.4.17+zstd.1.3.3
Dec 11 22:03:35.468 INFO [stderr]     Checking dssc v0.1.0 (/source)
Dec 11 22:03:36.124 INFO [stderr] warning: unused import: `self::fnv::FnvHashSet`
Dec 11 22:03:36.124 INFO [stderr]  --> src/chunkmap.rs:5:5
Dec 11 22:03:36.124 INFO [stderr]   |
Dec 11 22:03:36.124 INFO [stderr] 5 | use self::fnv::FnvHashSet;
Dec 11 22:03:36.124 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:03:36.124 INFO [stderr]   |
Dec 11 22:03:36.124 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 22:03:36.124 INFO [stderr] 
Dec 11 22:03:36.124 INFO [stderr] warning: unused import: `Hash`
Dec 11 22:03:36.124 INFO [stderr]   --> src/chunkmap.rs:12:17
Dec 11 22:03:36.124 INFO [stderr]    |
Dec 11 22:03:36.124 INFO [stderr] 12 | use std::hash::{Hash, Hasher};
Dec 11 22:03:36.124 INFO [stderr]    |                 ^^^^
Dec 11 22:03:36.124 INFO [stderr] 
Dec 11 22:03:36.183 INFO [stderr] warning: unused import: `self::fnv::FnvHashSet`
Dec 11 22:03:36.183 INFO [stderr]  --> src/chunkmap.rs:5:5
Dec 11 22:03:36.183 INFO [stderr]   |
Dec 11 22:03:36.183 INFO [stderr] 5 | use self::fnv::FnvHashSet;
Dec 11 22:03:36.183 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:03:36.183 INFO [stderr]   |
Dec 11 22:03:36.183 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 22:03:36.183 INFO [stderr] 
Dec 11 22:03:36.183 INFO [stderr] warning: unused import: `Hash`
Dec 11 22:03:36.183 INFO [stderr]   --> src/chunkmap.rs:12:17
Dec 11 22:03:36.183 INFO [stderr]    |
Dec 11 22:03:36.183 INFO [stderr] 12 | use std::hash::{Hash, Hasher};
Dec 11 22:03:36.183 INFO [stderr]    |                 ^^^^
Dec 11 22:03:36.183 INFO [stderr] 
Dec 11 22:03:36.336 INFO [stderr] warning: unused import: `Read`
Dec 11 22:03:36.336 INFO [stderr]   --> src/other.rs:10:33
Dec 11 22:03:36.336 INFO [stderr]    |
Dec 11 22:03:36.336 INFO [stderr] 10 | use std::io::{Error, ErrorKind, Read, Write};
Dec 11 22:03:36.336 INFO [stderr]    |                                 ^^^^
Dec 11 22:03:36.336 INFO [stderr] 
Dec 11 22:03:36.336 INFO [stderr] warning: unused import: `Hasher`
Dec 11 22:03:36.336 INFO [stderr]   --> src/chunkmap.rs:12:23
Dec 11 22:03:36.336 INFO [stderr]    |
Dec 11 22:03:36.336 INFO [stderr] 12 | use std::hash::{Hash, Hasher};
Dec 11 22:03:36.336 INFO [stderr]    |                       ^^^^^^
Dec 11 22:03:36.336 INFO [stderr] 
Dec 11 22:03:36.380 INFO [stderr] warning: unused import: `Read`
Dec 11 22:03:36.380 INFO [stderr]   --> src/other.rs:10:33
Dec 11 22:03:36.380 INFO [stderr]    |
Dec 11 22:03:36.380 INFO [stderr] 10 | use std::io::{Error, ErrorKind, Read, Write};
Dec 11 22:03:36.380 INFO [stderr]    |                                 ^^^^
Dec 11 22:03:36.380 INFO [stderr] 
Dec 11 22:03:36.380 INFO [stderr] warning: unused import: `Hasher`
Dec 11 22:03:36.380 INFO [stderr]   --> src/chunkmap.rs:12:23
Dec 11 22:03:36.380 INFO [stderr]    |
Dec 11 22:03:36.380 INFO [stderr] 12 | use std::hash::{Hash, Hasher};
Dec 11 22:03:36.380 INFO [stderr]    |                       ^^^^^^
Dec 11 22:03:36.380 INFO [stderr] 
Dec 11 22:03:36.420 INFO [stderr] warning: field is never used: `decoder`
Dec 11 22:03:36.420 INFO [stderr]   --> src/other.rs:78:5
Dec 11 22:03:36.420 INFO [stderr]    |
Dec 11 22:03:36.420 INFO [stderr] 78 |     decoder: DeflateDecoder<WriteProxy<Vec<u8>>>,
Dec 11 22:03:36.420 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:03:36.420 INFO [stderr]    |
Dec 11 22:03:36.420 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 22:03:36.421 INFO [stderr] 
Dec 11 22:03:36.421 INFO [stderr] warning: constant item is never used: `CHUNK_SIZE`
Dec 11 22:03:36.421 INFO [stderr]   --> src/chunkmap.rs:16:1
Dec 11 22:03:36.421 INFO [stderr]    |
Dec 11 22:03:36.421 INFO [stderr] 16 | const CHUNK_SIZE: usize = 4;
Dec 11 22:03:36.421 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:03:36.421 INFO [stderr] 
Dec 11 22:03:36.421 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 11 22:03:36.421 INFO [stderr]  --> src/lib.rs:2:12
Dec 11 22:03:36.421 INFO [stderr]   |
Dec 11 22:03:36.421 INFO [stderr] 2 | #![feature(conservative_impl_trait)]
Dec 11 22:03:36.421 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:03:36.421 INFO [stderr]   |
Dec 11 22:03:36.421 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 11 22:03:36.421 INFO [stderr] 
Dec 11 22:03:36.421 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 11 22:03:36.421 INFO [stderr]  --> src/lib.rs:1:12
Dec 11 22:03:36.421 INFO [stderr]   |
Dec 11 22:03:36.421 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 11 22:03:36.421 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 11 22:03:36.421 INFO [stderr] 
Dec 11 22:03:36.428 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:03:36.428 INFO [stderr]   --> src/other.rs:93:9
Dec 11 22:03:36.428 INFO [stderr]    |
Dec 11 22:03:36.428 INFO [stderr] 93 |         self.encoder.write(&in_buf);
Dec 11 22:03:36.428 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:03:36.428 INFO [stderr]    |
Dec 11 22:03:36.428 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 22:03:36.428 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:03:36.428 INFO [stderr] 
Dec 11 22:03:36.428 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:03:36.428 INFO [stderr]   --> src/other.rs:94:9
Dec 11 22:03:36.428 INFO [stderr]    |
Dec 11 22:03:36.428 INFO [stderr] 94 |         self.encoder.flush();
Dec 11 22:03:36.428 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:03:36.428 INFO [stderr]    |
Dec 11 22:03:36.428 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:03:36.428 INFO [stderr] 
Dec 11 22:03:36.428 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:03:36.428 INFO [stderr]   --> src/other.rs:99:9
Dec 11 22:03:36.428 INFO [stderr]    |
Dec 11 22:03:36.428 INFO [stderr] 99 |         self.encoder.write(&in_buf);
Dec 11 22:03:36.429 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:03:36.429 INFO [stderr]    |
Dec 11 22:03:36.429 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:03:36.429 INFO [stderr] 
Dec 11 22:03:36.429 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:03:36.429 INFO [stderr]    --> src/other.rs:100:9
Dec 11 22:03:36.429 INFO [stderr]     |
Dec 11 22:03:36.429 INFO [stderr] 100 |         self.encoder.flush();
Dec 11 22:03:36.429 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:03:36.429 INFO [stderr]     |
Dec 11 22:03:36.429 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:03:36.429 INFO [stderr] 
Dec 11 22:03:36.644 INFO [stderr] warning: field is never used: `decoder`
Dec 11 22:03:36.644 INFO [stderr]   --> src/other.rs:78:5
Dec 11 22:03:36.644 INFO [stderr]    |
Dec 11 22:03:36.644 INFO [stderr] 78 |     decoder: DeflateDecoder<WriteProxy<Vec<u8>>>,
Dec 11 22:03:36.644 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:03:36.644 INFO [stderr]    |
Dec 11 22:03:36.644 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 22:03:36.644 INFO [stderr] 
Dec 11 22:03:36.644 INFO [stderr] warning: constant item is never used: `CHUNK_SIZE`
Dec 11 22:03:36.644 INFO [stderr]   --> src/chunkmap.rs:16:1
Dec 11 22:03:36.644 INFO [stderr]    |
Dec 11 22:03:36.644 INFO [stderr] 16 | const CHUNK_SIZE: usize = 4;
Dec 11 22:03:36.644 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:03:36.644 INFO [stderr] 
Dec 11 22:03:36.644 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 11 22:03:36.644 INFO [stderr]  --> src/lib.rs:2:12
Dec 11 22:03:36.644 INFO [stderr]   |
Dec 11 22:03:36.644 INFO [stderr] 2 | #![feature(conservative_impl_trait)]
Dec 11 22:03:36.644 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:03:36.644 INFO [stderr]   |
Dec 11 22:03:36.645 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 11 22:03:36.645 INFO [stderr] 
Dec 11 22:03:36.645 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 11 22:03:36.645 INFO [stderr]  --> src/lib.rs:1:12
Dec 11 22:03:36.645 INFO [stderr]   |
Dec 11 22:03:36.645 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 11 22:03:36.645 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 11 22:03:36.645 INFO [stderr] 
Dec 11 22:03:36.652 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:03:36.652 INFO [stderr]   --> src/other.rs:93:9
Dec 11 22:03:36.652 INFO [stderr]    |
Dec 11 22:03:36.652 INFO [stderr] 93 |         self.encoder.write(&in_buf);
Dec 11 22:03:36.652 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:03:36.652 INFO [stderr]    |
Dec 11 22:03:36.652 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 22:03:36.652 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:03:36.652 INFO [stderr] 
Dec 11 22:03:36.652 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:03:36.652 INFO [stderr]   --> src/other.rs:94:9
Dec 11 22:03:36.652 INFO [stderr]    |
Dec 11 22:03:36.652 INFO [stderr] 94 |         self.encoder.flush();
Dec 11 22:03:36.652 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:03:36.652 INFO [stderr]    |
Dec 11 22:03:36.652 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:03:36.652 INFO [stderr] 
Dec 11 22:03:36.652 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:03:36.652 INFO [stderr]   --> src/other.rs:99:9
Dec 11 22:03:36.652 INFO [stderr]    |
Dec 11 22:03:36.652 INFO [stderr] 99 |         self.encoder.write(&in_buf);
Dec 11 22:03:36.652 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:03:36.652 INFO [stderr]    |
Dec 11 22:03:36.652 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:03:36.652 INFO [stderr] 
Dec 11 22:03:36.653 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 22:03:36.653 INFO [stderr]    --> src/other.rs:100:9
Dec 11 22:03:36.653 INFO [stderr]     |
Dec 11 22:03:36.653 INFO [stderr] 100 |         self.encoder.flush();
Dec 11 22:03:36.653 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:03:36.653 INFO [stderr]     |
Dec 11 22:03:36.653 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:03:36.653 INFO [stderr] 
Dec 11 22:03:38.312 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.21s
Dec 11 22:03:38.312 INFO [stderr] su: No module specific data is present
Dec 11 22:03:38.891 INFO running `"docker" "inspect" "7ceb026f82894e19d5e6f288ffda6c616b4cb67dc69304cd905a44b3c4cb1c0f"`
Dec 11 22:03:38.992 INFO running `"docker" "rm" "-f" "7ceb026f82894e19d5e6f288ffda6c616b4cb67dc69304cd905a44b3c4cb1c0f"`
Dec 11 22:03:39.101 INFO [stdout] 7ceb026f82894e19d5e6f288ffda6c616b4cb67dc69304cd905a44b3c4cb1c0f