[INFO] fetching crate bgzf_rust_reader 0.2.1...
[INFO] testing bgzf_rust_reader-0.2.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate bgzf_rust_reader 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate bgzf_rust_reader 0.2.1
[INFO] finished tweaking crates.io crate bgzf_rust_reader 0.2.1
[INFO] tweaked toml for crates.io crate bgzf_rust_reader 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bgzf_rust_reader 0.2.1 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding libdeflater v0.7.5 (available: v1.25.0)
[INFO] [stderr]       Adding positioned-io v0.2.2 (available: v0.3.5)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4a94c322bca3e4e1d35a9aa5fcf84dd361d61b4685205482ac1572cb4d526297
[INFO] running `Command { std: "docker" "start" "-a" "4a94c322bca3e4e1d35a9aa5fcf84dd361d61b4685205482ac1572cb4d526297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a94c322bca3e4e1d35a9aa5fcf84dd361d61b4685205482ac1572cb4d526297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a94c322bca3e4e1d35a9aa5fcf84dd361d61b4685205482ac1572cb4d526297", kill_on_drop: false }`
[INFO] [stdout] 4a94c322bca3e4e1d35a9aa5fcf84dd361d61b4685205482ac1572cb4d526297
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b3bd48e060c83f0b424f7e1bf831fd863903a4fef7307244455ad10bf4e877b6
[INFO] running `Command { std: "docker" "start" "-a" "b3bd48e060c83f0b424f7e1bf831fd863903a4fef7307244455ad10bf4e877b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libdeflate-sys v0.7.5
[INFO] [stderr]    Compiling positioned-io v0.2.2
[INFO] [stderr]    Compiling libdeflater v0.7.5
[INFO] [stderr]    Compiling bgzf_rust_reader v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `Command { std: "docker" "inspect" "b3bd48e060c83f0b424f7e1bf831fd863903a4fef7307244455ad10bf4e877b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3bd48e060c83f0b424f7e1bf831fd863903a4fef7307244455ad10bf4e877b6", kill_on_drop: false }`
[INFO] [stdout] b3bd48e060c83f0b424f7e1bf831fd863903a4fef7307244455ad10bf4e877b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b3fc247cbea71b1a904718c6c84ae6822292bb8157b21063f18854206e6f38df
[INFO] running `Command { std: "docker" "start" "-a" "b3fc247cbea71b1a904718c6c84ae6822292bb8157b21063f18854206e6f38df", kill_on_drop: false }`
[INFO] [stderr]    Compiling bgzf_rust_reader v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/integration_test.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 |   reader.read_to(&mut test_buffer);
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 22 |   let _ = reader.read_to(&mut test_buffer);
[INFO] [stdout]    |   +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib.rs:426:11
[INFO] [stdout]     |
[INFO] [stdout] 426 |       Err(e) => {
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "b3fc247cbea71b1a904718c6c84ae6822292bb8157b21063f18854206e6f38df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3fc247cbea71b1a904718c6c84ae6822292bb8157b21063f18854206e6f38df", kill_on_drop: false }`
[INFO] [stdout] b3fc247cbea71b1a904718c6c84ae6822292bb8157b21063f18854206e6f38df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9caa848cebc120e2da31fc9843d69b10576b8611c1efc98fd12e840c92df4965
[INFO] running `Command { std: "docker" "start" "-a" "9caa848cebc120e2da31fc9843d69b10576b8611c1efc98fd12e840c92df4965", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/lib.rs:426:11
[INFO] [stderr]     |
[INFO] [stderr] 426 |       Err(e) => {
[INFO] [stderr]     |           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bgzf_rust_reader` (lib test) generated 1 warning (run `cargo fix --lib -p bgzf_rust_reader --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/integration_test.rs:22:3
[INFO] [stderr]    |
[INFO] [stderr] 22 |   reader.read_to(&mut test_buffer);
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 22 |   let _ = reader.read_to(&mut test_buffer);
[INFO] [stderr]    |   +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `bgzf_rust_reader` (test "integration_test") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bgzf_rust_reader-11785e41a41c6fc8)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_read_block_func ... ok
[INFO] [stdout] test tests::test_bgzf_read_method ... ok
[INFO] [stdout] test tests::test_cache ... ok
[INFO] [stdout] test tests::test_bgzf_reader_new_func ... ok
[INFO] [stdout] test tests::test_seek_method ... ok
[INFO] [stdout] test tests::test_read_to ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-99f9855616f190d7)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_total_uncompressed_length ... ok
[INFO] [stdout] test test_random_access ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bgzf_rust_reader
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - BgzfReader::read_to (line 125) ... ok
[INFO] [stdout] test src/lib.rs - BgzfReader::seek (line 104) ... ok
[INFO] [stdout] test src/lib.rs - BgzfReader (line 55) ... ok
[INFO] [stdout] test src/lib.rs - BgzfReader::read (line 147) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9caa848cebc120e2da31fc9843d69b10576b8611c1efc98fd12e840c92df4965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9caa848cebc120e2da31fc9843d69b10576b8611c1efc98fd12e840c92df4965", kill_on_drop: false }`
[INFO] [stdout] 9caa848cebc120e2da31fc9843d69b10576b8611c1efc98fd12e840c92df4965