[INFO] cloning repository https://github.com/favilo/kompression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/favilo/kompression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffavilo%2Fkompression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffavilo%2Fkompression'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 363eb2c825e35e058cc23426c19779e68312b30d
[INFO] testing favilo/kompression against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffavilo%2Fkompression" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/favilo/kompression on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/favilo/kompression
[INFO] finished tweaking git repo https://github.com/favilo/kompression
[INFO] tweaked toml for git repo https://github.com/favilo/kompression written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/favilo/kompression already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08be60095bff2dd1887373e9b51f8f8596c3f3fd6575562dc1759a79034fb162
[INFO] running `Command { std: "docker" "start" "-a" "08be60095bff2dd1887373e9b51f8f8596c3f3fd6575562dc1759a79034fb162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08be60095bff2dd1887373e9b51f8f8596c3f3fd6575562dc1759a79034fb162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08be60095bff2dd1887373e9b51f8f8596c3f3fd6575562dc1759a79034fb162", kill_on_drop: false }`
[INFO] [stdout] 08be60095bff2dd1887373e9b51f8f8596c3f3fd6575562dc1759a79034fb162
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccf61fa26569eb6e54add2b3dd88b2a3dac119733e07c88f971272d84308f17d
[INFO] running `Command { std: "docker" "start" "-a" "ccf61fa26569eb6e54add2b3dd88b2a3dac119733e07c88f971272d84308f17d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling funty v1.2.0
[INFO] [stderr]    Compiling wyz v0.4.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling bitvec v0.22.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling kompression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `array::BitArray`, `bitarr`, `bitvec`, `slice::BitSlice`, `store::BitStore`
[INFO] [stdout]  --> src/lz78/compress.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     array::BitArray, bitarr, bitvec, field::BitField, order::Msb0, prelude::BitVec,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^  ^^^^^^  ^^^^^^
[INFO] [stdout] 5 |     slice::BitSlice, store::BitStore, view::BitView,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BitChunk`
[INFO] [stdout]   --> src/lz78/compress.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |     lz78::{code::Code, BitChunk, MAX_BITS},
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::MAX_BYTES`
[INFO] [stdout]   --> src/lz78/compress.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use super::MAX_BYTES;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `partial`
[INFO] [stdout]   --> src/lz78/mod.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |         if let Some(partial) = partial {
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_partial`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/lz78/decompress.rs:81:51
[INFO] [stdout]    |
[INFO] [stdout] 81 | ...                   Err(Error::Incomplete(s)) => continue 'outer,
[INFO] [stdout]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lz78/decompress.rs:102:51
[INFO] [stdout]     |
[INFO] [stdout] 102 | ...                   Err(Error::Incomplete(s)) => continue 'outer,
[INFO] [stdout]     |                                             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_slice`
[INFO] [stdout]   --> src/lz78/mod.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub(crate) fn from_slice(data: &[u8]) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `retrieve`
[INFO] [stdout]   --> src/lz78/mod.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub(crate) fn retrieve(&mut self, bits: usize, partial: Option<Self>) -> Result<u16, Self> {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `store`
[INFO] [stdout]   --> src/lz78/mod.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub(crate) fn store(&mut self, mut data: u16, mut bits: usize) -> Result<usize, Self> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/lz78/mod.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub(crate) fn write(&self, w: &mut impl Write) -> Result<usize, Error> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/lz78/mod.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         &v[..data.len()].copy_from_slice(data);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let _ = &v[..data.len()].copy_from_slice(data);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.59s
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ccf61fa26569eb6e54add2b3dd88b2a3dac119733e07c88f971272d84308f17d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf61fa26569eb6e54add2b3dd88b2a3dac119733e07c88f971272d84308f17d", kill_on_drop: false }`
[INFO] [stdout] ccf61fa26569eb6e54add2b3dd88b2a3dac119733e07c88f971272d84308f17d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2312090027f626b1cde7ea34f76c1fae9afb62a04831848ec83f4f98e5ed975
[INFO] running `Command { std: "docker" "start" "-a" "e2312090027f626b1cde7ea34f76c1fae9afb62a04831848ec83f4f98e5ed975", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stdout] warning: unused imports: `array::BitArray`, `bitarr`, `bitvec`, `slice::BitSlice`, `store::BitStore`
[INFO] [stdout]  --> src/lz78/compress.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     array::BitArray, bitarr, bitvec, field::BitField, order::Msb0, prelude::BitVec,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^  ^^^^^^  ^^^^^^
[INFO] [stdout] 5 |     slice::BitSlice, store::BitStore, view::BitView,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BitChunk`
[INFO] [stdout]   --> src/lz78/compress.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |     lz78::{code::Code, BitChunk, MAX_BITS},
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::MAX_BYTES`
[INFO] [stdout]   --> src/lz78/compress.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use super::MAX_BYTES;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `partial`
[INFO] [stdout]   --> src/lz78/mod.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |         if let Some(partial) = partial {
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_partial`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/lz78/decompress.rs:81:51
[INFO] [stdout]    |
[INFO] [stdout] 81 | ...                   Err(Error::Incomplete(s)) => continue 'outer,
[INFO] [stdout]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lz78/decompress.rs:102:51
[INFO] [stdout]     |
[INFO] [stdout] 102 | ...                   Err(Error::Incomplete(s)) => continue 'outer,
[INFO] [stdout]     |                                             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_slice`
[INFO] [stdout]   --> src/lz78/mod.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub(crate) fn from_slice(data: &[u8]) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `retrieve`
[INFO] [stdout]   --> src/lz78/mod.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub(crate) fn retrieve(&mut self, bits: usize, partial: Option<Self>) -> Result<u16, Self> {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `store`
[INFO] [stdout]   --> src/lz78/mod.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub(crate) fn store(&mut self, mut data: u16, mut bits: usize) -> Result<usize, Self> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/lz78/mod.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub(crate) fn write(&self, w: &mut impl Write) -> Result<usize, Error> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/lz78/mod.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         &v[..data.len()].copy_from_slice(data);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let _ = &v[..data.len()].copy_from_slice(data);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling kompression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `array::BitArray`, `bitarr`, `bitvec`, `slice::BitSlice`, `store::BitStore`
[INFO] [stdout]  --> src/lz78/compress.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     array::BitArray, bitarr, bitvec, field::BitField, order::Msb0, prelude::BitVec,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^  ^^^^^^  ^^^^^^
[INFO] [stdout] 5 |     slice::BitSlice, store::BitStore, view::BitView,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BitChunk`
[INFO] [stdout]   --> src/lz78/compress.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |     lz78::{code::Code, BitChunk, MAX_BITS},
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::MAX_BYTES`
[INFO] [stdout]   --> src/lz78/compress.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use super::MAX_BYTES;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `partial`
[INFO] [stdout]   --> src/lz78/mod.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |         if let Some(partial) = partial {
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_partial`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/lz78/decompress.rs:81:51
[INFO] [stdout]    |
[INFO] [stdout] 81 | ...                   Err(Error::Incomplete(s)) => continue 'outer,
[INFO] [stdout]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lz78/decompress.rs:102:51
[INFO] [stdout]     |
[INFO] [stdout] 102 | ...                   Err(Error::Incomplete(s)) => continue 'outer,
[INFO] [stdout]     |                                             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_slice`
[INFO] [stdout]   --> src/lz78/mod.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub(crate) fn from_slice(data: &[u8]) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `retrieve`
[INFO] [stdout]   --> src/lz78/mod.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub(crate) fn retrieve(&mut self, bits: usize, partial: Option<Self>) -> Result<u16, Self> {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `store`
[INFO] [stdout]   --> src/lz78/mod.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub(crate) fn store(&mut self, mut data: u16, mut bits: usize) -> Result<usize, Self> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/lz78/mod.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub(crate) fn write(&self, w: &mut impl Write) -> Result<usize, Error> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/lz78/mod.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         &v[..data.len()].copy_from_slice(data);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let _ = &v[..data.len()].copy_from_slice(data);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.05s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/kompression-d0bb47bdc0543b88)
[INFO] running `Command { std: "docker" "inspect" "e2312090027f626b1cde7ea34f76c1fae9afb62a04831848ec83f4f98e5ed975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2312090027f626b1cde7ea34f76c1fae9afb62a04831848ec83f4f98e5ed975", kill_on_drop: false }`
[INFO] [stdout] e2312090027f626b1cde7ea34f76c1fae9afb62a04831848ec83f4f98e5ed975
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6c63cab5e47da08911aefcf1109b7de0211295dd4428cf1920278dd99cd31bc3
[INFO] running `Command { std: "docker" "start" "-a" "6c63cab5e47da08911aefcf1109b7de0211295dd4428cf1920278dd99cd31bc3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `array::BitArray`, `bitarr`, `bitvec`, `slice::BitSlice`, `store::BitStore`
[INFO] [stderr]  --> src/lz78/compress.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     array::BitArray, bitarr, bitvec, field::BitField, order::Msb0, prelude::BitVec,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^  ^^^^^^  ^^^^^^
[INFO] [stderr] 5 |     slice::BitSlice, store::BitStore, view::BitView,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BitChunk`
[INFO] [stderr]   --> src/lz78/compress.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 |     lz78::{code::Code, BitChunk, MAX_BITS},
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::MAX_BYTES`
[INFO] [stderr]   --> src/lz78/compress.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use super::MAX_BYTES;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `partial`
[INFO] [stderr]   --> src/lz78/mod.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |         if let Some(partial) = partial {
[INFO] [stderr]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_partial`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/lz78/decompress.rs:81:51
[INFO] [stderr]    |
[INFO] [stderr] 81 | ...                   Err(Error::Incomplete(s)) => continue 'outer,
[INFO] [stderr]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/lz78/decompress.rs:102:51
[INFO] [stderr]     |
[INFO] [stderr] 102 | ...                   Err(Error::Incomplete(s)) => continue 'outer,
[INFO] [stderr]     |                                             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_slice`
[INFO] [stderr]   --> src/lz78/mod.rs:30:19
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub(crate) fn from_slice(data: &[u8]) -> Self {
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `retrieve`
[INFO] [stderr]   --> src/lz78/mod.rs:40:19
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub(crate) fn retrieve(&mut self, bits: usize, partial: Option<Self>) -> Result<u16, Self> {
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `store`
[INFO] [stderr]   --> src/lz78/mod.rs:65:19
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub(crate) fn store(&mut self, mut data: u16, mut bits: usize) -> Result<usize, Self> {
[INFO] [stderr]    |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/lz78/mod.rs:94:19
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub(crate) fn write(&self, w: &mut impl Write) -> Result<usize, Error> {
[INFO] [stderr]    |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/lz78/mod.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         &v[..data.len()].copy_from_slice(data);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let _ = &v[..data.len()].copy_from_slice(data);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `kompression` (lib) generated 11 warnings
[INFO] [stderr] warning: `kompression` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kompression-d0bb47bdc0543b88)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stderr]    Doc-tests kompression
[INFO] [stdout] test lz78::code::tests::zero ... ok
[INFO] [stdout] test lz78::code::tests::eight_bits ... ok
[INFO] [stdout] test lz78::code::tests::one ... ok
[INFO] [stdout] test lz78::compress::tests::four_equal_bytes ... ok
[INFO] [stdout] test lz78::compress::tests::four_equal_bytes_serial ... ok
[INFO] [stdout] test lz78::compress::tests::one_byte ... ok
[INFO] [stdout] test lz78::compress::tests::two_equal_bytes ... ok
[INFO] [stdout] test lz78::compress::tests::three_equal_bytes ... ok
[INFO] [stdout] test lz78::compress::tests::zero_forty_forty ... ok
[INFO] [stdout] test lz78::decompress::tests::four_equal_bytes ... ok
[INFO] [stdout] test lz78::decompress::tests::four_equal_bytes_serial ... ok
[INFO] [stdout] test lz78::decompress::tests::one_byte ... ok
[INFO] [stdout] test lz78::compress::tests::zero_through_six ... ok
[INFO] [stdout] test lz78::decompress::tests::two_equal_bytes ... ok
[INFO] [stdout] test tests::forward_reverse ... ignored
[INFO] [stdout] test tests::large_value ... ignored
[INFO] [stdout] test lz78::decompress::tests::three_equal_bytes ... ok
[INFO] [stdout] test lz78::decompress::tests::zero_forty_forty ... ok
[INFO] [stdout] test lz78::decompress::tests::zero_through_six ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c63cab5e47da08911aefcf1109b7de0211295dd4428cf1920278dd99cd31bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c63cab5e47da08911aefcf1109b7de0211295dd4428cf1920278dd99cd31bc3", kill_on_drop: false }`
[INFO] [stdout] 6c63cab5e47da08911aefcf1109b7de0211295dd4428cf1920278dd99cd31bc3