[INFO] fetching crate bit_field 0.10.1...
[INFO] testing bit_field-0.10.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate bit_field 0.10.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate bit_field 0.10.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bit_field 0.10.1
[INFO] finished tweaking crates.io crate bit_field 0.10.1
[INFO] tweaked toml for crates.io crate bit_field 0.10.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94a71fe5b6f1b48497df684997e86c6134c81b5a6693418b88cf8a6249438a82
[INFO] running `Command { std: "docker" "start" "-a" "94a71fe5b6f1b48497df684997e86c6134c81b5a6693418b88cf8a6249438a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94a71fe5b6f1b48497df684997e86c6134c81b5a6693418b88cf8a6249438a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94a71fe5b6f1b48497df684997e86c6134c81b5a6693418b88cf8a6249438a82", kill_on_drop: false }`
[INFO] [stdout] 94a71fe5b6f1b48497df684997e86c6134c81b5a6693418b88cf8a6249438a82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab722912d3c10e1a898d42f7d60a9f6213c3d9b9f0b24b69d4948f00926b9587
[INFO] running `Command { std: "docker" "start" "-a" "ab722912d3c10e1a898d42f7d60a9f6213c3d9b9f0b24b69d4948f00926b9587", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit_field v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "ab722912d3c10e1a898d42f7d60a9f6213c3d9b9f0b24b69d4948f00926b9587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab722912d3c10e1a898d42f7d60a9f6213c3d9b9f0b24b69d4948f00926b9587", kill_on_drop: false }`
[INFO] [stdout] ab722912d3c10e1a898d42f7d60a9f6213c3d9b9f0b24b69d4948f00926b9587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 895051cb1ad0cad234b784c541d6e802689c12f4261a2ea28a772daa2312872b
[INFO] running `Command { std: "docker" "start" "-a" "895051cb1ad0cad234b784c541d6e802689c12f4261a2ea28a772daa2312872b", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit_field v0.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/tests.rs:360:5
[INFO] [stdout]     |
[INFO] [stdout] 360 |     &test_val.set_bit(0, false);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 360 |     let _ = &test_val.set_bit(0, false);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/tests.rs:362:5
[INFO] [stdout]     |
[INFO] [stdout] 362 |     &test_val.set_bit(4, false);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 362 |     let _ = &test_val.set_bit(4, false);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/tests.rs:366:5
[INFO] [stdout]     |
[INFO] [stdout] 366 |     &test_array.set_bit(7, false);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 366 |     let _ = &test_array.set_bit(7, false);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/tests.rs:367:5
[INFO] [stdout]     |
[INFO] [stdout] 367 |     &test_array.set_bit(8, true);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 367 |     let _ = &test_array.set_bit(8, true);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/tests.rs:368:5
[INFO] [stdout]     |
[INFO] [stdout] 368 |     &test_array.set_bit(16, false);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 368 |     let _ = &test_array.set_bit(16, false);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "895051cb1ad0cad234b784c541d6e802689c12f4261a2ea28a772daa2312872b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "895051cb1ad0cad234b784c541d6e802689c12f4261a2ea28a772daa2312872b", kill_on_drop: false }`
[INFO] [stdout] 895051cb1ad0cad234b784c541d6e802689c12f4261a2ea28a772daa2312872b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e629d35d705689f4196af21fbd2d1f0c432d9e987579bab85c89b43cc219340
[INFO] running `Command { std: "docker" "start" "-a" "6e629d35d705689f4196af21fbd2d1f0c432d9e987579bab85c89b43cc219340", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/tests.rs:360:5
[INFO] [stderr]     |
[INFO] [stderr] 360 |     &test_val.set_bit(0, false);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 360 |     let _ = &test_val.set_bit(0, false);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/tests.rs:362:5
[INFO] [stderr]     |
[INFO] [stderr] 362 |     &test_val.set_bit(4, false);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 362 |     let _ = &test_val.set_bit(4, false);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/tests.rs:366:5
[INFO] [stderr]     |
[INFO] [stderr] 366 |     &test_array.set_bit(7, false);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 366 |     let _ = &test_array.set_bit(7, false);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/tests.rs:367:5
[INFO] [stderr]     |
[INFO] [stderr] 367 |     &test_array.set_bit(8, true);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 367 |     let _ = &test_array.set_bit(8, true);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/tests.rs:368:5
[INFO] [stderr]     |
[INFO] [stderr] 368 |     &test_array.set_bit(16, false);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 368 |     let _ = &test_array.set_bit(16, false);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `bit_field` (lib test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bit_field-be95e104e3d0465f)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::test_array_length ... ok
[INFO] [stdout] test tests::test_get_bit_array ... ok
[INFO] [stdout] test tests::test_get_bits_array ... ok
[INFO] [stdout] test tests::test_integer_bit_lengths ... ok
[INFO] [stdout] test tests::test_read_u128 ... ok
[INFO] [stdout] test tests::test_read_u32 ... ok
[INFO] [stdout] test tests::test_read_u64 ... ok
[INFO] [stdout] test tests::test_set_bit_array ... ok
[INFO] [stdout] test tests::test_set_bits_array ... ok
[INFO] [stdout] test tests::test_set_range_u128 ... ok
[INFO] [stdout] test tests::test_set_range_u32 ... ok
[INFO] [stdout] test tests::test_set_reset_u128 ... ok
[INFO] [stdout] test tests::test_set_range_u64 ... ok
[INFO] [stdout] test tests::test_set_reset_u16 ... ok
[INFO] [stdout] test tests::test_set_reset_u32 ... ok
[INFO] [stdout] test tests::test_set_reset_u64 ... ok
[INFO] [stdout] test tests::test_set_reset_u8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bit_field
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - BitArray::get_bits (line 142) ... ok
[INFO] [stdout] test src/lib.rs - BitArray::bit_length (line 114) ... ok
[INFO] [stdout] test src/lib.rs - BitField::get_bit (line 27) ... ok
[INFO] [stdout] test src/lib.rs - BitField::set_bit (line 65) ... ok
[INFO] [stdout] test src/lib.rs - BitField::BIT_LENGTH (line 16) ... ok
[INFO] [stdout] test src/lib.rs - BitField::get_bits (line 44) ... ok
[INFO] [stdout] test src/lib.rs - BitArray::set_bit (line 164) ... ok
[INFO] [stdout] test src/lib.rs - BitField::set_bits (line 89) ... ok
[INFO] [stdout] test src/lib.rs - BitArray::get_bit (line 125) ... ok
[INFO] [stdout] test src/lib.rs - BitArray::set_bits (line 188) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.69s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6e629d35d705689f4196af21fbd2d1f0c432d9e987579bab85c89b43cc219340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e629d35d705689f4196af21fbd2d1f0c432d9e987579bab85c89b43cc219340", kill_on_drop: false }`
[INFO] [stdout] 6e629d35d705689f4196af21fbd2d1f0c432d9e987579bab85c89b43cc219340