[INFO] fetching crate kmers-rs 0.2.0...
[INFO] testing kmers-rs-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate kmers-rs 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate kmers-rs 0.2.0
[INFO] finished tweaking crates.io crate kmers-rs 0.2.0
[INFO] tweaked toml for crates.io crate kmers-rs 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kmers-rs 0.2.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e2ad8f7863f24ecf1d8c79dea937655d1ca2d85593ee6b7ba3d3df7e47b01a5
[INFO] running `Command { std: "docker" "start" "-a" "3e2ad8f7863f24ecf1d8c79dea937655d1ca2d85593ee6b7ba3d3df7e47b01a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e2ad8f7863f24ecf1d8c79dea937655d1ca2d85593ee6b7ba3d3df7e47b01a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e2ad8f7863f24ecf1d8c79dea937655d1ca2d85593ee6b7ba3d3df7e47b01a5", kill_on_drop: false }`
[INFO] [stdout] 3e2ad8f7863f24ecf1d8c79dea937655d1ca2d85593ee6b7ba3d3df7e47b01a5
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23656586b784af1685ecff8b103e2024e8da89ca74b9cb05728bdf55afcec149
[INFO] running `Command { std: "docker" "start" "-a" "23656586b784af1685ecff8b103e2024e8da89ca74b9cb05728bdf55afcec149", kill_on_drop: false }`
[INFO] [stderr]    Compiling kmers-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Encoder16` is never constructed
[INFO] [stdout]   --> src/vbyte.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct Encoder16 {}
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `encode` is never used
[INFO] [stdout]   --> src/vbyte.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl Encoder16 {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 67 |     pub fn encode(x: u64, sink: &mut Vec<u16>) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Decoder16` is never constructed
[INFO] [stdout]   --> src/vbyte.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct Decoder16 {}
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `decode` is never used
[INFO] [stdout]   --> src/vbyte.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 92 | impl Decoder16 {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 93 |     pub fn decode<'a, I>(iter: &mut I) -> Option<u64>
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "23656586b784af1685ecff8b103e2024e8da89ca74b9cb05728bdf55afcec149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23656586b784af1685ecff8b103e2024e8da89ca74b9cb05728bdf55afcec149", kill_on_drop: false }`
[INFO] [stdout] 23656586b784af1685ecff8b103e2024e8da89ca74b9cb05728bdf55afcec149
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dc8786260652c23268d1d6fa6bbc9448bb5950ae1a214ec115b68c1801c5a79
[INFO] running `Command { std: "docker" "start" "-a" "6dc8786260652c23268d1d6fa6bbc9448bb5950ae1a214ec115b68c1801c5a79", kill_on_drop: false }`
[INFO] [stdout] warning: struct `Encoder16` is never constructed
[INFO] [stdout]   --> src/vbyte.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct Encoder16 {}
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `encode` is never used
[INFO] [stdout]   --> src/vbyte.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl Encoder16 {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 67 |     pub fn encode(x: u64, sink: &mut Vec<u16>) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Decoder16` is never constructed
[INFO] [stdout]   --> src/vbyte.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct Decoder16 {}
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `decode` is never used
[INFO] [stdout]   --> src/vbyte.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 92 | impl Decoder16 {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 93 |     pub fn decode<'a, I>(iter: &mut I) -> Option<u64>
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling kmers-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Encoder16` is never constructed
[INFO] [stdout]   --> src/vbyte.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct Encoder16 {}
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `encode` is never used
[INFO] [stdout]   --> src/vbyte.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl Encoder16 {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 67 |     pub fn encode(x: u64, sink: &mut Vec<u16>) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Decoder16` is never constructed
[INFO] [stdout]   --> src/vbyte.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct Decoder16 {}
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `decode` is never used
[INFO] [stdout]   --> src/vbyte.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 92 | impl Decoder16 {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 93 |     pub fn decode<'a, I>(iter: &mut I) -> Option<u64>
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "6dc8786260652c23268d1d6fa6bbc9448bb5950ae1a214ec115b68c1801c5a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dc8786260652c23268d1d6fa6bbc9448bb5950ae1a214ec115b68c1801c5a79", kill_on_drop: false }`
[INFO] [stdout] 6dc8786260652c23268d1d6fa6bbc9448bb5950ae1a214ec115b68c1801c5a79
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dc84bc978e8ee35d78c4cd1edd562230e324dd81ecea33964b2cd37d32991a61
[INFO] running `Command { std: "docker" "start" "-a" "dc84bc978e8ee35d78c4cd1edd562230e324dd81ecea33964b2cd37d32991a61", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Encoder16` is never constructed
[INFO] [stderr]   --> src/vbyte.rs:64:12
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub struct Encoder16 {}
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `encode` is never used
[INFO] [stderr]   --> src/vbyte.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 66 | impl Encoder16 {
[INFO] [stderr]    | -------------- associated function in this implementation
[INFO] [stderr] 67 |     pub fn encode(x: u64, sink: &mut Vec<u16>) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Decoder16` is never constructed
[INFO] [stderr]   --> src/vbyte.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub struct Decoder16 {}
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `decode` is never used
[INFO] [stderr]   --> src/vbyte.rs:93:12
[INFO] [stderr]    |
[INFO] [stderr] 92 | impl Decoder16 {
[INFO] [stderr]    | -------------- associated function in this implementation
[INFO] [stderr] 93 |     pub fn decode<'a, I>(iter: &mut I) -> Option<u64>
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `kmers-rs` (lib) generated 4 warnings
[INFO] [stderr] warning: `kmers-rs` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kmers_rs-80efbed6f7c2ef8b)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test basics::tests::test_0a ... ok
[INFO] [stdout] test basics::tests::test_0c ... ok
[INFO] [stdout] test basics::tests::test_7 ... ok
[INFO] [stdout] test basics::tests::test_3 ... ok
[INFO] [stdout] test basics::tests::test_5 ... ok
[INFO] [stdout] test basics::tests::test_6 ... ok
[INFO] [stdout] test basics::tests::test_1 ... ok
[INFO] [stdout] test basics::tests::test_2 ... ok
[INFO] [stdout] test basics::tests::test_4 ... ok
[INFO] [stdout] test basics::tests::test_0b ... ok
[INFO] [stdout] test dot::test::test_1 ... ok
[INFO] [stdout] test accumulator::tests::test_1 ... ok
[INFO] [stdout] test list::tests::test_1 ... ok
[INFO] [stdout] test list::tests::test_2 ... ok
[INFO] [stdout] test vbyte::tests::vbyte_test_1 ... ok
[INFO] [stdout] test vbyte::tests::vbyte_test_2 ... ok
[INFO] [stdout] test vbyte::tests::vbyte_test_4 ... ok
[INFO] [stdout] test jaccard::tests::test_1 ... ok
[INFO] [stdout] test dot::test::test_2 ... ok
[INFO] [stdout] test vbyte::tests::vbyte_test_3 ... ok
[INFO] [stdout] test accumulator::tests::test_3 ... ok
[INFO] [stdout] test accumulator::tests::test_2 ... ok
[INFO] [stderr]    Doc-tests kmers_rs
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "dc84bc978e8ee35d78c4cd1edd562230e324dd81ecea33964b2cd37d32991a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc84bc978e8ee35d78c4cd1edd562230e324dd81ecea33964b2cd37d32991a61", kill_on_drop: false }`
[INFO] [stdout] dc84bc978e8ee35d78c4cd1edd562230e324dd81ecea33964b2cd37d32991a61