[INFO] fetching crate kmers-rs 0.2.0...
[INFO] testing kmers-rs-0.2.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate kmers-rs 0.2.0 into /workspace/builds/worker-5-tc2/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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kmers-rs 0.2.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98fd31fd7825535060a78492726210f4e6f103b5d5f57279c43ff4b48bc0e107
[INFO] running `Command { std: "docker" "start" "-a" "98fd31fd7825535060a78492726210f4e6f103b5d5f57279c43ff4b48bc0e107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98fd31fd7825535060a78492726210f4e6f103b5d5f57279c43ff4b48bc0e107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98fd31fd7825535060a78492726210f4e6f103b5d5f57279c43ff4b48bc0e107", kill_on_drop: false }`
[INFO] [stdout] 98fd31fd7825535060a78492726210f4e6f103b5d5f57279c43ff4b48bc0e107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d96da0d25738da016a68b6d764014bdee1d4d90d6d39677d03d007c44eead1c
[INFO] running `Command { std: "docker" "start" "-a" "3d96da0d25738da016a68b6d764014bdee1d4d90d6d39677d03d007c44eead1c", 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)]` (part of `#[warn(unused)]`) 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 0.29s
[INFO] running `Command { std: "docker" "inspect" "3d96da0d25738da016a68b6d764014bdee1d4d90d6d39677d03d007c44eead1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d96da0d25738da016a68b6d764014bdee1d4d90d6d39677d03d007c44eead1c", kill_on_drop: false }`
[INFO] [stdout] 3d96da0d25738da016a68b6d764014bdee1d4d90d6d39677d03d007c44eead1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51d3054674bcc58e2588208c27473dda01bd805d70cbdd8bf1ffab225e0a98f1
[INFO] running `Command { std: "docker" "start" "-a" "51d3054674bcc58e2588208c27473dda01bd805d70cbdd8bf1ffab225e0a98f1", 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)]` (part of `#[warn(unused)]`) 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] [stderr]    Compiling kmers-rs v0.2.0 (/opt/rustwide/workdir)
[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] [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)]` (part of `#[warn(unused)]`) 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 0.59s
[INFO] running `Command { std: "docker" "inspect" "51d3054674bcc58e2588208c27473dda01bd805d70cbdd8bf1ffab225e0a98f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51d3054674bcc58e2588208c27473dda01bd805d70cbdd8bf1ffab225e0a98f1", kill_on_drop: false }`
[INFO] [stdout] 51d3054674bcc58e2588208c27473dda01bd805d70cbdd8bf1ffab225e0a98f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b165fe92248863f2f6770014eb846151c395aa08fbcefd5c8bdbde83e2632002
[INFO] running `Command { std: "docker" "start" "-a" "b165fe92248863f2f6770014eb846151c395aa08fbcefd5c8bdbde83e2632002", 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)]` (part of `#[warn(unused)]`) 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 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kmers_rs-484744db51f044bd)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test basics::tests::test_0b ... ok
[INFO] [stdout] test basics::tests::test_0c ... ok
[INFO] [stdout] test basics::tests::test_1 ... ok
[INFO] [stdout] test accumulator::tests::test_2 ... ok
[INFO] [stdout] test basics::tests::test_0a ... ok
[INFO] [stdout] test basics::tests::test_3 ... ok
[INFO] [stdout] test basics::tests::test_4 ... ok
[INFO] [stdout] test basics::tests::test_7 ... ok
[INFO] [stdout] test basics::tests::test_2 ... ok
[INFO] [stdout] test dot::test::test_2 ... ok
[INFO] [stdout] test dot::test::test_1 ... ok
[INFO] [stdout] test basics::tests::test_6 ... ok
[INFO] [stdout] test accumulator::tests::test_1 ... ok
[INFO] [stdout] test jaccard::tests::test_1 ... ok
[INFO] [stdout] test vbyte::tests::vbyte_test_1 ... ok
[INFO] [stdout] test vbyte::tests::vbyte_test_3 ... ok
[INFO] [stdout] test vbyte::tests::vbyte_test_4 ... ok
[INFO] [stdout] test vbyte::tests::vbyte_test_2 ... ok
[INFO] [stdout] test list::tests::test_1 ... ok
[INFO] [stdout] test list::tests::test_2 ... ok
[INFO] [stdout] test basics::tests::test_5 ... ok
[INFO] [stdout] test accumulator::tests::test_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kmers_rs
[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" "b165fe92248863f2f6770014eb846151c395aa08fbcefd5c8bdbde83e2632002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b165fe92248863f2f6770014eb846151c395aa08fbcefd5c8bdbde83e2632002", kill_on_drop: false }`
[INFO] [stdout] b165fe92248863f2f6770014eb846151c395aa08fbcefd5c8bdbde83e2632002
