[INFO] fetching crate rkpi2 0.1.2...
[INFO] testing rkpi2-0.1.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] extracting crate rkpi2 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rkpi2 0.1.2
[INFO] finished tweaking crates.io crate rkpi2 0.1.2
[INFO] tweaked toml for crates.io crate rkpi2 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rkpi2 0.1.2 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding os_pipe v0.9.2 (available: v1.2.2)
[INFO] [stderr]       Adding zstd v0.5.4+zstd.1.4.7 (available: v0.13.3)
[INFO] [stderr]       Adding zstd-sys v1.4.18+zstd.1.4.7 (available: v1.6.3+zstd.1.5.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.5.1+zstd.1.4.4` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zstd v0.5.4+zstd.1.4.7
[INFO] [stderr]   Downloaded zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]   Downloaded zstd-sys v1.4.18+zstd.1.4.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93c5ad5ce9ac92488158bbdb53c182e44b6072e833271512e042e44bfb2794ac
[INFO] running `Command { std: "docker" "start" "-a" "93c5ad5ce9ac92488158bbdb53c182e44b6072e833271512e042e44bfb2794ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93c5ad5ce9ac92488158bbdb53c182e44b6072e833271512e042e44bfb2794ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c5ad5ce9ac92488158bbdb53c182e44b6072e833271512e042e44bfb2794ac", kill_on_drop: false }`
[INFO] [stdout] 93c5ad5ce9ac92488158bbdb53c182e44b6072e833271512e042e44bfb2794ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 70d04668c14830e728bc3430267aa6d0af3db85f4278be2ea844d8a28ae65802
[INFO] running `Command { std: "docker" "start" "-a" "70d04668c14830e728bc3430267aa6d0af3db85f4278be2ea844d8a28ae65802", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.5.1+zstd.1.4.4` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling zstd-sys v1.4.18+zstd.1.4.7
[INFO] [stderr]    Compiling zstd v0.5.4+zstd.1.4.7
[INFO] [stderr]    Compiling rkpi2 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `SAMPLERATES` is never used
[INFO] [stdout]   --> src/lib.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const SAMPLERATES: [u32; 8] = [
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mux` is never used
[INFO] [stdout]   --> src/lib.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn mux(w: Box<dyn Write>, h: Hdr, lev: Option<u8>)
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `demux` is never used
[INFO] [stdout]   --> src/lib.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn demux(r: Box<dyn Read>)
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `S` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Some(S) => S as u8,
[INFO] [stdout]    |              ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Some(L) => match Encoder::new(w, L as i32)
[INFO] [stdout]    |              ^ help: convert the identifier to snake case: `l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:69:14
[INFO] [stdout]    |
[INFO] [stdout] 69 |         { Ok(C) => Ok(Box::new(C)),
[INFO] [stdout]    |              ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `F` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:89:14
[INFO] [stdout]    |
[INFO] [stdout] 89 |         { Ok(F) => F, Err(E) => { return Err(E) } };
[INFO] [stdout]    |              ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:89:27
[INFO] [stdout]    |
[INFO] [stdout] 89 |         { Ok(F) => F, Err(E) => { return Err(E) } };
[INFO] [stdout]    |                           ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:99:18
[INFO] [stdout]    |
[INFO] [stdout] 99 |             { Ok(D) => Ok((Box::new(D), h)),
[INFO] [stdout]    |                  ^ help: convert the identifier to snake case: `d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "70d04668c14830e728bc3430267aa6d0af3db85f4278be2ea844d8a28ae65802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70d04668c14830e728bc3430267aa6d0af3db85f4278be2ea844d8a28ae65802", kill_on_drop: false }`
[INFO] [stdout] 70d04668c14830e728bc3430267aa6d0af3db85f4278be2ea844d8a28ae65802
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 7c5ea527e2e14a3e778bca5cb20a2ba64ca9f8ba28abe823c09d14f1e78f912a
[INFO] running `Command { std: "docker" "start" "-a" "7c5ea527e2e14a3e778bca5cb20a2ba64ca9f8ba28abe823c09d14f1e78f912a", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.5.1+zstd.1.4.4` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling os_pipe v0.9.2
[INFO] [stdout] warning: constant `SAMPLERATES` is never used
[INFO] [stdout]   --> src/lib.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const SAMPLERATES: [u32; 8] = [
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mux` is never used
[INFO] [stdout]   --> src/lib.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn mux(w: Box<dyn Write>, h: Hdr, lev: Option<u8>)
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `demux` is never used
[INFO] [stdout]   --> src/lib.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn demux(r: Box<dyn Read>)
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `S` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Some(S) => S as u8,
[INFO] [stdout]    |              ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Some(L) => match Encoder::new(w, L as i32)
[INFO] [stdout]    |              ^ help: convert the identifier to snake case: `l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:69:14
[INFO] [stdout]    |
[INFO] [stdout] 69 |         { Ok(C) => Ok(Box::new(C)),
[INFO] [stdout]    |              ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `F` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:89:14
[INFO] [stdout]    |
[INFO] [stdout] 89 |         { Ok(F) => F, Err(E) => { return Err(E) } };
[INFO] [stdout]    |              ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:89:27
[INFO] [stdout]    |
[INFO] [stdout] 89 |         { Ok(F) => F, Err(E) => { return Err(E) } };
[INFO] [stdout]    |                           ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:99:18
[INFO] [stdout]    |
[INFO] [stdout] 99 |             { Ok(D) => Ok((Box::new(D), h)),
[INFO] [stdout]    |                  ^ help: convert the identifier to snake case: `d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rkpi2 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `S` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Some(S) => S as u8,
[INFO] [stdout]    |              ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Some(L) => match Encoder::new(w, L as i32)
[INFO] [stdout]    |              ^ help: convert the identifier to snake case: `l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:69:14
[INFO] [stdout]    |
[INFO] [stdout] 69 |         { Ok(C) => Ok(Box::new(C)),
[INFO] [stdout]    |              ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `F` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:89:14
[INFO] [stdout]    |
[INFO] [stdout] 89 |         { Ok(F) => F, Err(E) => { return Err(E) } };
[INFO] [stdout]    |              ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:89:27
[INFO] [stdout]    |
[INFO] [stdout] 89 |         { Ok(F) => F, Err(E) => { return Err(E) } };
[INFO] [stdout]    |                           ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:99:18
[INFO] [stdout]    |
[INFO] [stdout] 99 |             { Ok(D) => Ok((Box::new(D), h)),
[INFO] [stdout]    |                  ^ help: convert the identifier to snake case: `d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "7c5ea527e2e14a3e778bca5cb20a2ba64ca9f8ba28abe823c09d14f1e78f912a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c5ea527e2e14a3e778bca5cb20a2ba64ca9f8ba28abe823c09d14f1e78f912a", kill_on_drop: false }`
[INFO] [stdout] 7c5ea527e2e14a3e778bca5cb20a2ba64ca9f8ba28abe823c09d14f1e78f912a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 89469a081ad92e27fc31c01663aa10606d5fe7917b4b92f1781512731b6bc7c2
[INFO] running `Command { std: "docker" "start" "-a" "89469a081ad92e27fc31c01663aa10606d5fe7917b4b92f1781512731b6bc7c2", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.5.1+zstd.1.4.4` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: constant `SAMPLERATES` is never used
[INFO] [stderr]   --> src/lib.rs:32:7
[INFO] [stderr]    |
[INFO] [stderr] 32 | const SAMPLERATES: [u32; 8] = [
[INFO] [stderr]    |       ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `mux` is never used
[INFO] [stderr]   --> src/lib.rs:40:4
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn mux(w: Box<dyn Write>, h: Hdr, lev: Option<u8>)
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `demux` is never used
[INFO] [stderr]   --> src/lib.rs:77:4
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn demux(r: Box<dyn Read>)
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `S` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:46:14
[INFO] [stderr]    |
[INFO] [stderr] 46 |         Some(S) => S as u8,
[INFO] [stderr]    |              ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `L` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:68:14
[INFO] [stderr]    |
[INFO] [stderr] 68 |         Some(L) => match Encoder::new(w, L as i32)
[INFO] [stderr]    |              ^ help: convert the identifier to snake case: `l`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `C` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:69:14
[INFO] [stderr]    |
[INFO] [stderr] 69 |         { Ok(C) => Ok(Box::new(C)),
[INFO] [stderr]    |              ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `F` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:89:14
[INFO] [stderr]    |
[INFO] [stderr] 89 |         { Ok(F) => F, Err(E) => { return Err(E) } };
[INFO] [stderr]    |              ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:89:27
[INFO] [stderr]    |
[INFO] [stderr] 89 |         { Ok(F) => F, Err(E) => { return Err(E) } };
[INFO] [stderr]    |                           ^ help: convert the identifier to snake case: `e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `D` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:99:18
[INFO] [stderr]    |
[INFO] [stderr] 99 |             { Ok(D) => Ok((Box::new(D), h)),
[INFO] [stderr]    |                  ^ help: convert the identifier to snake case: `d`
[INFO] [stderr] 
[INFO] [stderr] warning: `rkpi2` (lib) generated 9 warnings
[INFO] [stderr] warning: `rkpi2` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rkpi2-babf1396615b2b92)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test rkpi2_hdr_and_data ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "89469a081ad92e27fc31c01663aa10606d5fe7917b4b92f1781512731b6bc7c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89469a081ad92e27fc31c01663aa10606d5fe7917b4b92f1781512731b6bc7c2", kill_on_drop: false }`
[INFO] [stdout] 89469a081ad92e27fc31c01663aa10606d5fe7917b4b92f1781512731b6bc7c2