[INFO] fetching crate xsnappy 0.1.0...
[INFO] testing xsnappy-0.1.0 against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] extracting crate xsnappy 0.1.0 into /workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xsnappy 0.1.0 on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "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" "+1ef7943ee607160a564655b6596f83670ef95df5" "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" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6de431041ea58dc6d8a77841d7da0b7d6bf5814e009cf147efc9deedf76e81e
[INFO] running `Command { std: "docker" "start" "-a" "b6de431041ea58dc6d8a77841d7da0b7d6bf5814e009cf147efc9deedf76e81e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6de431041ea58dc6d8a77841d7da0b7d6bf5814e009cf147efc9deedf76e81e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6de431041ea58dc6d8a77841d7da0b7d6bf5814e009cf147efc9deedf76e81e", kill_on_drop: false }`
[INFO] [stdout] b6de431041ea58dc6d8a77841d7da0b7d6bf5814e009cf147efc9deedf76e81e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b1474e849875aad15edcc49c2c411ca5284f4de7f5b1505748e0934537df6d4
[INFO] running `Command { std: "docker" "start" "-a" "8b1474e849875aad15edcc49c2c411ca5284f4de7f5b1505748e0934537df6d4", 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]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[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]    |                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being 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 0.46s
[INFO] running `Command { std: "docker" "inspect" "8b1474e849875aad15edcc49c2c411ca5284f4de7f5b1505748e0934537df6d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b1474e849875aad15edcc49c2c411ca5284f4de7f5b1505748e0934537df6d4", kill_on_drop: false }`
[INFO] [stdout] 8b1474e849875aad15edcc49c2c411ca5284f4de7f5b1505748e0934537df6d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68ada1fdeeb06abc1ad169c858eb0ef335350fe3b6e497082cd012ea26919605
[INFO] running `Command { std: "docker" "start" "-a" "68ada1fdeeb06abc1ad169c858eb0ef335350fe3b6e497082cd012ea26919605", 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]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[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]    |                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being 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]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[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]    |                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being 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 0.26s
[INFO] running `Command { std: "docker" "inspect" "68ada1fdeeb06abc1ad169c858eb0ef335350fe3b6e497082cd012ea26919605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68ada1fdeeb06abc1ad169c858eb0ef335350fe3b6e497082cd012ea26919605", kill_on_drop: false }`
[INFO] [stdout] 68ada1fdeeb06abc1ad169c858eb0ef335350fe3b6e497082cd012ea26919605
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7ae212a3c611dc8452c4b5df298d82455ed7f11b7913783ba69a268e5a9c3c6
[INFO] running `Command { std: "docker" "start" "-a" "a7ae212a3c611dc8452c4b5df298d82455ed7f11b7913783ba69a268e5a9c3c6", 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]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[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]    |                             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being 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-5c08e6c1774e1ed9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests xsnappy
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - decode (line 77) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/lib.rs - encode (line 59) ... ok
[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] 7 | 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] 9 | 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 1.33s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "a7ae212a3c611dc8452c4b5df298d82455ed7f11b7913783ba69a268e5a9c3c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ae212a3c611dc8452c4b5df298d82455ed7f11b7913783ba69a268e5a9c3c6", kill_on_drop: false }`
[INFO] [stdout] a7ae212a3c611dc8452c4b5df298d82455ed7f11b7913783ba69a268e5a9c3c6
