[INFO] fetching crate codec2 0.2.0...
[INFO] testing codec2-0.2.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate codec2 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate codec2 0.2.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate codec2 0.2.0
[INFO] finished tweaking crates.io crate codec2 0.2.0
[INFO] tweaked toml for crates.io crate codec2 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 111948e4f3c474686945d1e58245c582afab752896122173cebead3b63866bd5
[INFO] running `Command { std: "docker" "start" "-a" "111948e4f3c474686945d1e58245c582afab752896122173cebead3b63866bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "111948e4f3c474686945d1e58245c582afab752896122173cebead3b63866bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "111948e4f3c474686945d1e58245c582afab752896122173cebead3b63866bd5", kill_on_drop: false }`
[INFO] [stdout] 111948e4f3c474686945d1e58245c582afab752896122173cebead3b63866bd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 090182d23401a5b2723071009109e2db15f0d872baf59b762deede9aa0e95650
[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" "090182d23401a5b2723071009109e2db15f0d872baf59b762deede9aa0e95650", kill_on_drop: false }`
[INFO] [stderr]    Compiling codec2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `Fs`
[INFO] [stdout]    --> src/lib.rs:424:5
[INFO] [stdout]     |
[INFO] [stdout] 424 |     Fs: i32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bpf_buf`
[INFO] [stdout]    --> src/lib.rs:432:5
[INFO] [stdout]     |
[INFO] [stdout] 432 |     bpf_buf: Vec<f32>,             //  buffer for band pass filter
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hpf_states`
[INFO] [stdout]    --> src/lib.rs:434:5
[INFO] [stdout]     |
[INFO] [stdout] 434 |     hpf_states: [f32; 2],          //  high pass filter states
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gray`
[INFO] [stdout]    --> src/lib.rs:436:5
[INFO] [stdout]     |
[INFO] [stdout] 436 |     gray: i32,                     //  non-zero for gray encoding
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `smoothing`
[INFO] [stdout]    --> src/lib.rs:455:5
[INFO] [stdout]     |
[INFO] [stdout] 455 |     smoothing: i32, //  enable smoothing for channels with errors
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `se`
[INFO] [stdout]    --> src/lib.rs:456:5
[INFO] [stdout]     |
[INFO] [stdout] 456 |     se: f32,        //  running sum of squared error
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nse`
[INFO] [stdout]    --> src/lib.rs:457:5
[INFO] [stdout]     |
[INFO] [stdout] 457 |     nse: u32,       //  number of terms in sum
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `post_filter_en`
[INFO] [stdout]    --> src/lib.rs:458:5
[INFO] [stdout]     |
[INFO] [stdout] 458 |     post_filter_en: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "090182d23401a5b2723071009109e2db15f0d872baf59b762deede9aa0e95650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "090182d23401a5b2723071009109e2db15f0d872baf59b762deede9aa0e95650", kill_on_drop: false }`
[INFO] [stdout] 090182d23401a5b2723071009109e2db15f0d872baf59b762deede9aa0e95650
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b9461bb592ecf981e9f4b791d0efc8e4ef1f9a0f6c57a813ec5dd689a26bc48
[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" "7b9461bb592ecf981e9f4b791d0efc8e4ef1f9a0f6c57a813ec5dd689a26bc48", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stdout] warning: field is never read: `Fs`
[INFO] [stdout]    --> src/lib.rs:424:5
[INFO] [stdout]     |
[INFO] [stdout] 424 |     Fs: i32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bpf_buf`
[INFO] [stdout]    --> src/lib.rs:432:5
[INFO] [stdout]     |
[INFO] [stdout] 432 |     bpf_buf: Vec<f32>,             //  buffer for band pass filter
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stdout] warning: field is never read: `hpf_states`
[INFO] [stdout]    --> src/lib.rs:434:5
[INFO] [stdout]     |
[INFO] [stdout] 434 |     hpf_states: [f32; 2],          //  high pass filter states
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gray`
[INFO] [stdout]    --> src/lib.rs:436:5
[INFO] [stdout]     |
[INFO] [stdout] 436 |     gray: i32,                     //  non-zero for gray encoding
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `smoothing`
[INFO] [stdout]    --> src/lib.rs:455:5
[INFO] [stdout]     |
[INFO] [stdout] 455 |     smoothing: i32, //  enable smoothing for channels with errors
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `se`
[INFO] [stdout]    --> src/lib.rs:456:5
[INFO] [stdout]     |
[INFO] [stdout] 456 |     se: f32,        //  running sum of squared error
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nse`
[INFO] [stdout]    --> src/lib.rs:457:5
[INFO] [stdout]     |
[INFO] [stdout] 457 |     nse: u32,       //  number of terms in sum
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `post_filter_en`
[INFO] [stdout]    --> src/lib.rs:458:5
[INFO] [stdout]     |
[INFO] [stdout] 458 |     post_filter_en: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling zerocopy v0.3.0
[INFO] [stderr]    Compiling codec2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `Fs`
[INFO] [stdout]    --> src/lib.rs:424:5
[INFO] [stdout]     |
[INFO] [stdout] 424 |     Fs: i32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bpf_buf`
[INFO] [stdout]    --> src/lib.rs:432:5
[INFO] [stdout]     |
[INFO] [stdout] 432 |     bpf_buf: Vec<f32>,             //  buffer for band pass filter
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hpf_states`
[INFO] [stdout]    --> src/lib.rs:434:5
[INFO] [stdout]     |
[INFO] [stdout] 434 |     hpf_states: [f32; 2],          //  high pass filter states
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gray`
[INFO] [stdout]    --> src/lib.rs:436:5
[INFO] [stdout]     |
[INFO] [stdout] 436 |     gray: i32,                     //  non-zero for gray encoding
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `smoothing`
[INFO] [stdout]    --> src/lib.rs:455:5
[INFO] [stdout]     |
[INFO] [stdout] 455 |     smoothing: i32, //  enable smoothing for channels with errors
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `se`
[INFO] [stdout]    --> src/lib.rs:456:5
[INFO] [stdout]     |
[INFO] [stdout] 456 |     se: f32,        //  running sum of squared error
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nse`
[INFO] [stdout]    --> src/lib.rs:457:5
[INFO] [stdout]     |
[INFO] [stdout] 457 |     nse: u32,       //  number of terms in sum
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `post_filter_en`
[INFO] [stdout]    --> src/lib.rs:458:5
[INFO] [stdout]     |
[INFO] [stdout] 458 |     post_filter_en: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.20s
[INFO] running `Command { std: "docker" "inspect" "7b9461bb592ecf981e9f4b791d0efc8e4ef1f9a0f6c57a813ec5dd689a26bc48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b9461bb592ecf981e9f4b791d0efc8e4ef1f9a0f6c57a813ec5dd689a26bc48", kill_on_drop: false }`
[INFO] [stdout] 7b9461bb592ecf981e9f4b791d0efc8e4ef1f9a0f6c57a813ec5dd689a26bc48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 183d1ba72592d93cea1490102c745c22481b2dfa6e3f92a7306c277594a60933
[INFO] running `Command { std: "docker" "start" "-a" "183d1ba72592d93cea1490102c745c22481b2dfa6e3f92a7306c277594a60933", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `Fs`
[INFO] [stderr]    --> src/lib.rs:424:5
[INFO] [stderr]     |
[INFO] [stderr] 424 |     Fs: i32,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 1 test
[INFO] [stderr] warning: field is never read: `bpf_buf`
[INFO] [stdout] test tests::encode_test ... ok
[INFO] [stderr]    --> src/lib.rs:432:5
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr] 432 |     bpf_buf: Vec<f32>,             //  buffer for band pass filter
[INFO] [stdout] 
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `hpf_states`
[INFO] [stderr]    --> src/lib.rs:434:5
[INFO] [stderr]     |
[INFO] [stderr] 434 |     hpf_states: [f32; 2],          //  high pass filter states
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `gray`
[INFO] [stderr]    --> src/lib.rs:436:5
[INFO] [stderr]     |
[INFO] [stderr] 436 |     gray: i32,                     //  non-zero for gray encoding
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `smoothing`
[INFO] [stderr]    --> src/lib.rs:455:5
[INFO] [stderr]     |
[INFO] [stderr] 455 |     smoothing: i32, //  enable smoothing for channels with errors
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `se`
[INFO] [stderr]    --> src/lib.rs:456:5
[INFO] [stderr]     |
[INFO] [stderr] 456 |     se: f32,        //  running sum of squared error
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `nse`
[INFO] [stderr]    --> src/lib.rs:457:5
[INFO] [stderr]     |
[INFO] [stderr] 457 |     nse: u32,       //  number of terms in sum
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `post_filter_en`
[INFO] [stderr]    --> src/lib.rs:458:5
[INFO] [stderr]     |
[INFO] [stderr] 458 |     post_filter_en: i32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `codec2` (lib) generated 8 warnings
[INFO] [stderr] warning: `codec2` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/codec2-f116340269a7582e)
[INFO] [stderr]    Doc-tests codec2
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "183d1ba72592d93cea1490102c745c22481b2dfa6e3f92a7306c277594a60933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "183d1ba72592d93cea1490102c745c22481b2dfa6e3f92a7306c277594a60933", kill_on_drop: false }`
[INFO] [stdout] 183d1ba72592d93cea1490102c745c22481b2dfa6e3f92a7306c277594a60933