[INFO] fetching crate bitvec-rs 0.2.0...
[INFO] testing bitvec-rs-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate bitvec-rs 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bitvec-rs 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitvec-rs 0.2.0
[INFO] finished tweaking crates.io crate bitvec-rs 0.2.0
[INFO] tweaked toml for crates.io crate bitvec-rs 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba3fc4f4c3858db87552a19fcf9b09ecd7cc25a0355f128b9161ec91f3f5b0fe
[INFO] running `Command { std: "docker" "start" "-a" "ba3fc4f4c3858db87552a19fcf9b09ecd7cc25a0355f128b9161ec91f3f5b0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba3fc4f4c3858db87552a19fcf9b09ecd7cc25a0355f128b9161ec91f3f5b0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba3fc4f4c3858db87552a19fcf9b09ecd7cc25a0355f128b9161ec91f3f5b0fe", kill_on_drop: false }`
[INFO] [stdout] ba3fc4f4c3858db87552a19fcf9b09ecd7cc25a0355f128b9161ec91f3f5b0fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dae0d284d3363ab33b439592cede1e242de74d4a7776e412e00f85d4503f682
[INFO] running `Command { std: "docker" "start" "-a" "0dae0d284d3363ab33b439592cede1e242de74d4a7776e412e00f85d4503f682", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitvec-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "0dae0d284d3363ab33b439592cede1e242de74d4a7776e412e00f85d4503f682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dae0d284d3363ab33b439592cede1e242de74d4a7776e412e00f85d4503f682", kill_on_drop: false }`
[INFO] [stdout] 0dae0d284d3363ab33b439592cede1e242de74d4a7776e412e00f85d4503f682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c23919c2d39793825359529ecdca6d5825269810324515f9689911773e5112b
[INFO] running `Command { std: "docker" "start" "-a" "8c23919c2d39793825359529ecdca6d5825269810324515f9689911773e5112b", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitvec-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:688:9
[INFO] [stdout]     |
[INFO] [stdout] 688 |         &BitVec::from_bytes(&[0xef, 0xa5, 0x71]).set(24, true);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "8c23919c2d39793825359529ecdca6d5825269810324515f9689911773e5112b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c23919c2d39793825359529ecdca6d5825269810324515f9689911773e5112b", kill_on_drop: false }`
[INFO] [stdout] 8c23919c2d39793825359529ecdca6d5825269810324515f9689911773e5112b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ecc1b0415e9e0df91d4702778efe10c90a7bdbf618ddcb117325d17352418041
[INFO] running `Command { std: "docker" "start" "-a" "ecc1b0415e9e0df91d4702778efe10c90a7bdbf618ddcb117325d17352418041", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/lib.rs:688:9
[INFO] [stderr]     |
[INFO] [stderr] 688 |         &BitVec::from_bytes(&[0xef, 0xa5, 0x71]).set(24, true);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bitvec-rs` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bitvec_rs-168137a0da132793)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test test::test_capacity_reserve ... ok
[INFO] [stdout] test test::test_clear ... ok
[INFO] [stdout] test test::test_clone ... ok
[INFO] [stdout] test test::test_constructors_from_bytes ... ok
[INFO] [stdout] test test::test_constructors_for_empty ... ok
[INFO] [stdout] test test::test_convert_from_bools ... ok
[INFO] [stdout] test test::test_convert_to_bools ... ok
[INFO] [stdout] test test::test_debug ... ok
[INFO] [stdout] test test::test_eq ... ok
[INFO] [stdout] test test::test_get_set_index ... ok
[INFO] [stdout] test test::test_index ... ok
[INFO] [stdout] test test::test_into_bytes ... ok
[INFO] [stdout] test test::test_into_iter ... ok
[INFO] [stdout] test test::test_iter ... ok
[INFO] [stdout] test test::test_iter_overrides ... ok
[INFO] [stdout] test test::test_pop_push ... ok
[INFO] [stdout] test test::test_pop_to_empty ... ok
[INFO] [stdout] test test::test_resize ... ok
[INFO] [stdout] test test::test_swap ... ok
[INFO] [stdout] test test::test_truncate_extend ... ok
[INFO] [stdout] test test::test_with_bytes_mut ... ok
[INFO] [stdout] test test::test_set_validation - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bitvec-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" "ecc1b0415e9e0df91d4702778efe10c90a7bdbf618ddcb117325d17352418041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc1b0415e9e0df91d4702778efe10c90a7bdbf618ddcb117325d17352418041", kill_on_drop: false }`
[INFO] [stdout] ecc1b0415e9e0df91d4702778efe10c90a7bdbf618ddcb117325d17352418041