[INFO] updating cached repository bahusvel/dssc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bahusvel/dssc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bahusvel/dssc" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/bahusvel/dssc"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/bahusvel/dssc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bahusvel/dssc" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/bahusvel/dssc"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/bahusvel/dssc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6ffe0353802ea6da6ff5835d7d41923852183359
[INFO] sha for GitHub repo bahusvel/dssc: 6ffe0353802ea6da6ff5835d7d41923852183359
[INFO] validating manifest of bahusvel/dssc on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bahusvel/dssc on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bahusvel/dssc
[INFO] finished frobbing bahusvel/dssc
[INFO] frobbed toml for bahusvel/dssc written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/bahusvel/dssc/Cargo.toml
[INFO] started frobbing bahusvel/dssc
[INFO] finished frobbing bahusvel/dssc
[INFO] frobbed toml for bahusvel/dssc written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/bahusvel/dssc/Cargo.toml
[INFO] crate bahusvel/dssc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bahusvel/dssc against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-6/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/bahusvel/dssc:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e7fb0d0407d43717497d164ded3a66f67347f66def30a122f7ff0a7bdb371e07
[INFO] running `"docker" "start" "-a" "e7fb0d0407d43717497d164ded3a66f67347f66def30a122f7ff0a7bdb371e07"`
[INFO] [stderr]    Compiling zstd-sys v1.4.2+zstd.1.3.3
[INFO] [stderr]     Checking miniz-sys v0.1.10
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking zstd-safe v1.4.2+zstd.1.3.3
[INFO] [stderr]     Checking zstd v0.4.17+zstd.1.3.3
[INFO] [stderr]     Checking dssc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `self::fnv::FnvHashSet`
[INFO] [stderr]  --> src/chunkmap.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use self::fnv::FnvHashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Hash`
[INFO] [stderr]   --> src/chunkmap.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::hash::{Hash, Hasher};
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::fnv::FnvHashSet`
[INFO] [stderr]  --> src/chunkmap.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use self::fnv::FnvHashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Hash`
[INFO] [stderr]   --> src/chunkmap.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::hash::{Hash, Hasher};
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/other.rs:10:33
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::{Error, ErrorKind, Read, Write};
[INFO] [stderr]    |                                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Hasher`
[INFO] [stderr]   --> src/chunkmap.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::hash::{Hash, Hasher};
[INFO] [stderr]    |                       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/other.rs:10:33
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::{Error, ErrorKind, Read, Write};
[INFO] [stderr]    |                                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Hasher`
[INFO] [stderr]   --> src/chunkmap.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::hash::{Hash, Hasher};
[INFO] [stderr]    |                       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `decoder`
[INFO] [stderr]   --> src/other.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     decoder: DeflateDecoder<WriteProxy<Vec<u8>>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CHUNK_SIZE`
[INFO] [stderr]   --> src/chunkmap.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const CHUNK_SIZE: usize = 4;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(iterator_step_by)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/other.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         self.encoder.write(&in_buf);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/other.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         self.encoder.flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/other.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         self.encoder.write(&in_buf);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/other.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |         self.encoder.flush();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `decoder`
[INFO] [stderr]   --> src/other.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     decoder: DeflateDecoder<WriteProxy<Vec<u8>>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CHUNK_SIZE`
[INFO] [stderr]   --> src/chunkmap.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const CHUNK_SIZE: usize = 4;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(iterator_step_by)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/other.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         self.encoder.write(&in_buf);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/other.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         self.encoder.flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/other.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         self.encoder.write(&in_buf);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/other.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |         self.encoder.flush();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.69s
[INFO] running `"docker" "inspect" "e7fb0d0407d43717497d164ded3a66f67347f66def30a122f7ff0a7bdb371e07"`
[INFO] running `"docker" "rm" "-f" "e7fb0d0407d43717497d164ded3a66f67347f66def30a122f7ff0a7bdb371e07"`
[INFO] [stdout] e7fb0d0407d43717497d164ded3a66f67347f66def30a122f7ff0a7bdb371e07