[INFO] fetching crate rkpi2 0.1.2... [INFO] checking rkpi2-0.1.2 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] extracting crate rkpi2 0.1.2 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate rkpi2 0.1.2 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--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] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a38cbf01b87ae521e5fc1d6db3cd2eb021a950d478d0920c27143832fb3f5f58 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a38cbf01b87ae521e5fc1d6db3cd2eb021a950d478d0920c27143832fb3f5f58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a38cbf01b87ae521e5fc1d6db3cd2eb021a950d478d0920c27143832fb3f5f58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a38cbf01b87ae521e5fc1d6db3cd2eb021a950d478d0920c27143832fb3f5f58", kill_on_drop: false }` [INFO] [stdout] a38cbf01b87ae521e5fc1d6db3cd2eb021a950d478d0920c27143832fb3f5f58 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42cdbffe2dccb73d3c72d3a9aed3d9ab6a45bab169b86fcf40446d95774fa1c4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "42cdbffe2dccb73d3c72d3a9aed3d9ab6a45bab169b86fcf40446d95774fa1c4", 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 v0.2.85 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Checking os_pipe v0.9.2 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Compiling zstd-sys v1.4.18+zstd.1.4.7 [INFO] [stderr] Compiling zstd-safe v2.0.6+zstd.1.4.7 [INFO] [stderr] Checking zstd v0.5.4+zstd.1.4.7 [INFO] [stderr] Checking rkpi2 v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: constant is never used: `SAMPLERATES` [INFO] [stdout] --> src/lib.rs:32:1 [INFO] [stdout] | [INFO] [stdout] 32 | / const SAMPLERATES: [u32; 8] = [ [INFO] [stdout] 33 | | 8000, 12000, 22050, 32000, 44100, [INFO] [stdout] 34 | | 64000, 96000, 192000 ]; [INFO] [stdout] | |___________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `mux` [INFO] [stdout] --> src/lib.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn mux(w: Box, h: Hdr, lev: Option) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `demux` [INFO] [stdout] --> src/lib.rs:77:4 [INFO] [stdout] | [INFO] [stdout] 77 | fn demux(r: Box) [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] [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: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 16s [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] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "42cdbffe2dccb73d3c72d3a9aed3d9ab6a45bab169b86fcf40446d95774fa1c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42cdbffe2dccb73d3c72d3a9aed3d9ab6a45bab169b86fcf40446d95774fa1c4", kill_on_drop: false }` [INFO] [stdout] 42cdbffe2dccb73d3c72d3a9aed3d9ab6a45bab169b86fcf40446d95774fa1c4