[INFO] fetching crate xsnappy 0.1.0...
[INFO] testing xsnappy-0.1.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate xsnappy 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate xsnappy 0.1.0
[INFO] finished tweaking crates.io crate xsnappy 0.1.0
[INFO] tweaked toml for crates.io crate xsnappy 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xsnappy 0.1.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1918738b3ab1061dc630baa336efdb42b4dab1ebd618385462a10f7bc719979
[INFO] running `Command { std: "docker" "start" "-a" "a1918738b3ab1061dc630baa336efdb42b4dab1ebd618385462a10f7bc719979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1918738b3ab1061dc630baa336efdb42b4dab1ebd618385462a10f7bc719979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1918738b3ab1061dc630baa336efdb42b4dab1ebd618385462a10f7bc719979", kill_on_drop: false }`
[INFO] [stdout] a1918738b3ab1061dc630baa336efdb42b4dab1ebd618385462a10f7bc719979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70dd3ce09cbd24380094d4da2bb9d3d7a07b29f16c3f6a0e446843f6f660c78b
[INFO] running `Command { std: "docker" "start" "-a" "70dd3ce09cbd24380094d4da2bb9d3d7a07b29f16c3f6a0e446843f6f660c78b", kill_on_drop: false }`
[INFO] [stderr]    Compiling xsnappy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]   --> src/encode.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut i = 0;
[INFO] [stdout]    |                 ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 62 |         i = 3;
[INFO] [stdout]    |         ----- `i` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/encode.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |             let mut base = s;
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `candidate` is never read
[INFO] [stdout]    --> src/encode.rs:94:29
[INFO] [stdout]     |
[INFO] [stdout]  94 |         let mut candidate = 0;
[INFO] [stdout]     |                             ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 103 |             candidate = table[next_hash&TABLE_MASK] as usize;
[INFO] [stdout]     |             ------------------------------------------------ `candidate` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/decode.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut p;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/decode.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     let mut src_end = src.offset(src_len as isize);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/decode.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let mut dst_end = dst.offset(dst_len as isize);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/decode.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let mut dst_end = dst.offset(dst_len as isize);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extend_match` is never used
[INFO] [stdout]    --> src/encode.rs:162:4
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn extend_match(src: &[u8], mut s: usize, mut i: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "70dd3ce09cbd24380094d4da2bb9d3d7a07b29f16c3f6a0e446843f6f660c78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70dd3ce09cbd24380094d4da2bb9d3d7a07b29f16c3f6a0e446843f6f660c78b", kill_on_drop: false }`
[INFO] [stdout] 70dd3ce09cbd24380094d4da2bb9d3d7a07b29f16c3f6a0e446843f6f660c78b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0619db984ed11eb69f7f8a30627df1d76ecb256a12cd078855cc2f0494f40ed6
[INFO] running `Command { std: "docker" "start" "-a" "0619db984ed11eb69f7f8a30627df1d76ecb256a12cd078855cc2f0494f40ed6", kill_on_drop: false }`
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]   --> src/encode.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut i = 0;
[INFO] [stdout]    |                 ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 62 |         i = 3;
[INFO] [stdout]    |         ----- `i` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/encode.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |             let mut base = s;
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `candidate` is never read
[INFO] [stdout]    --> src/encode.rs:94:29
[INFO] [stdout]     |
[INFO] [stdout]  94 |         let mut candidate = 0;
[INFO] [stdout]     |                             ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 103 |             candidate = table[next_hash&TABLE_MASK] as usize;
[INFO] [stdout]     |             ------------------------------------------------ `candidate` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/decode.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut p;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/decode.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     let mut src_end = src.offset(src_len as isize);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/decode.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let mut dst_end = dst.offset(dst_len as isize);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/decode.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let mut dst_end = dst.offset(dst_len as isize);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extend_match` is never used
[INFO] [stdout]    --> src/encode.rs:162:4
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn extend_match(src: &[u8], mut s: usize, mut i: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling xsnappy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]   --> src/encode.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut i = 0;
[INFO] [stdout]    |                 ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 62 |         i = 3;
[INFO] [stdout]    |         ----- `i` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/encode.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |             let mut base = s;
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `candidate` is never read
[INFO] [stdout]    --> src/encode.rs:94:29
[INFO] [stdout]     |
[INFO] [stdout]  94 |         let mut candidate = 0;
[INFO] [stdout]     |                             ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 103 |             candidate = table[next_hash&TABLE_MASK] as usize;
[INFO] [stdout]     |             ------------------------------------------------ `candidate` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/decode.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut p;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/decode.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     let mut src_end = src.offset(src_len as isize);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/decode.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let mut dst_end = dst.offset(dst_len as isize);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/decode.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let mut dst_end = dst.offset(dst_len as isize);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extend_match` is never used
[INFO] [stdout]    --> src/encode.rs:162:4
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn extend_match(src: &[u8], mut s: usize, mut i: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "0619db984ed11eb69f7f8a30627df1d76ecb256a12cd078855cc2f0494f40ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0619db984ed11eb69f7f8a30627df1d76ecb256a12cd078855cc2f0494f40ed6", kill_on_drop: false }`
[INFO] [stdout] 0619db984ed11eb69f7f8a30627df1d76ecb256a12cd078855cc2f0494f40ed6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bdbf342e7dbf357d3041c4b01d202b5dc0decf099cf53c64288bb4404ef0e042
[INFO] running `Command { std: "docker" "start" "-a" "bdbf342e7dbf357d3041c4b01d202b5dc0decf099cf53c64288bb4404ef0e042", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `i` is never read
[INFO] [stderr]   --> src/encode.rs:49:17
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let mut i = 0;
[INFO] [stderr]    |                 ^ this value is reassigned later and never used
[INFO] [stderr] ...
[INFO] [stderr] 62 |         i = 3;
[INFO] [stderr]    |         ----- `i` is overwritten here before the previous value is read
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/encode.rs:114:17
[INFO] [stderr]     |
[INFO] [stderr] 114 |             let mut base = s;
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `candidate` is never read
[INFO] [stderr]    --> src/encode.rs:94:29
[INFO] [stderr]     |
[INFO] [stderr]  94 |         let mut candidate = 0;
[INFO] [stderr]     |                             ^ this value is reassigned later and never used
[INFO] [stderr] ...
[INFO] [stderr] 103 |             candidate = table[next_hash&TABLE_MASK] as usize;
[INFO] [stderr]     |             ------------------------------------------------ `candidate` is overwritten here before the previous value is read
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/decode.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let mut p;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/decode.rs:168:9
[INFO] [stderr]     |
[INFO] [stderr] 168 |     let mut src_end = src.offset(src_len as isize);
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/decode.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |     let mut dst_end = dst.offset(dst_len as isize);
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/decode.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |     let mut dst_end = dst.offset(dst_len as isize);
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function `extend_match` is never used
[INFO] [stderr]    --> src/encode.rs:162:4
[INFO] [stderr]     |
[INFO] [stderr] 162 | fn extend_match(src: &[u8], mut s: usize, mut i: usize) {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `xsnappy` (lib) generated 8 warnings (run `cargo fix --lib -p xsnappy` to apply 5 suggestions)
[INFO] [stderr] warning: `xsnappy` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xsnappy-2e43cdfc1e8b0a59)
[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] [stderr]    Doc-tests xsnappy
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - encode (line 59) ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/lib.rs - decode (line 77) ... FAILED
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - decode (line 77) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `src` in this scope
[INFO] [stdout]   --> src/lib.rs:81:26
[INFO] [stdout]    |
[INFO] [stdout] 81 | let dec_len = decode_len(src).unwrap();
[INFO] [stdout]    |                          ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `src` in this scope
[INFO] [stdout]   --> src/lib.rs:83:18
[INFO] [stdout]    |
[INFO] [stdout] 83 | decode(&mut dst, src);
[INFO] [stdout]    |                  ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - decode (line 77)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bdbf342e7dbf357d3041c4b01d202b5dc0decf099cf53c64288bb4404ef0e042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdbf342e7dbf357d3041c4b01d202b5dc0decf099cf53c64288bb4404ef0e042", kill_on_drop: false }`
[INFO] [stdout] bdbf342e7dbf357d3041c4b01d202b5dc0decf099cf53c64288bb4404ef0e042
