[INFO] fetching crate packed_struct 0.6.0...
[INFO] testing packed_struct-0.6.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate packed_struct 0.6.0 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate packed_struct 0.6.0 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 packed_struct 0.6.0
[INFO] finished tweaking crates.io crate packed_struct 0.6.0
[INFO] tweaked toml for crates.io crate packed_struct 0.6.0 written to /workspace/builds/worker-116/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded packed_struct_codegen v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] 2de81dedc11af6a4e9bc35b67ab1cb97169103b2eefdb282ad4c6f3c5ad95fa5
[INFO] running `Command { std: "docker" "start" "-a" "2de81dedc11af6a4e9bc35b67ab1cb97169103b2eefdb282ad4c6f3c5ad95fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2de81dedc11af6a4e9bc35b67ab1cb97169103b2eefdb282ad4c6f3c5ad95fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2de81dedc11af6a4e9bc35b67ab1cb97169103b2eefdb282ad4c6f3c5ad95fa5", kill_on_drop: false }`
[INFO] [stdout] 2de81dedc11af6a4e9bc35b67ab1cb97169103b2eefdb282ad4c6f3c5ad95fa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] 9a1a5806a177a25f08ef9fd1fc8f71e85a2890bcb112f001fe3f7b66ac5021f9
[INFO] running `Command { std: "docker" "start" "-a" "9a1a5806a177a25f08ef9fd1fc8f71e85a2890bcb112f001fe3f7b66ac5021f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling packed_struct v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling packed_struct_codegen v0.6.1
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/types_generic.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         &mut output[..].copy_from_slice(&packed.as_bytes_slice());
[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 dev [unoptimized + debuginfo] target(s) in 16.63s
[INFO] running `Command { std: "docker" "inspect" "9a1a5806a177a25f08ef9fd1fc8f71e85a2890bcb112f001fe3f7b66ac5021f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a1a5806a177a25f08ef9fd1fc8f71e85a2890bcb112f001fe3f7b66ac5021f9", kill_on_drop: false }`
[INFO] [stdout] 9a1a5806a177a25f08ef9fd1fc8f71e85a2890bcb112f001fe3f7b66ac5021f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] c9f35afbe5abf776fea53a70d3efb2f5ad0fa0e75aff0f1dea01ed52ce28e0d1
[INFO] running `Command { std: "docker" "start" "-a" "c9f35afbe5abf776fea53a70d3efb2f5ad0fa0e75aff0f1dea01ed52ce28e0d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling packed_struct v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/types_generic.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         &mut output[..].copy_from_slice(&packed.as_bytes_slice());
[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] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/types_generic.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         &mut output[..].copy_from_slice(&packed.as_bytes_slice());
[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 3.38s
[INFO] running `Command { std: "docker" "inspect" "c9f35afbe5abf776fea53a70d3efb2f5ad0fa0e75aff0f1dea01ed52ce28e0d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9f35afbe5abf776fea53a70d3efb2f5ad0fa0e75aff0f1dea01ed52ce28e0d1", kill_on_drop: false }`
[INFO] [stdout] c9f35afbe5abf776fea53a70d3efb2f5ad0fa0e75aff0f1dea01ed52ce28e0d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] d1efc22d8694dcee65a3f48b559d006022cbe19b300ac56c175e295ac5939a76
[INFO] running `Command { std: "docker" "start" "-a" "d1efc22d8694dcee65a3f48b559d006022cbe19b300ac56c175e295ac5939a76", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/types_generic.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         &mut output[..].copy_from_slice(&packed.as_bytes_slice());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `packed_struct` (lib) generated 1 warning
[INFO] [stderr] warning: `packed_struct` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/packed_struct-46c1b2068441742a)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test types_bits::test_byte_rotation ... ok
[INFO] [stdout] test types_num::test_big_slice_unpacking ... ok
[INFO] [stdout] test types_num::test_packed_int_lsb ... ok
[INFO] [stdout] test types_num::test_packed_int_lsb_sub ... ok
[INFO] [stdout] test types_num::test_packed_int_msb ... ok
[INFO] [stdout] test types_num::test_packed_int_partial ... ok
[INFO] [stdout] test types_num::test_roundtrip_u20 ... ok
[INFO] [stdout] test types_num::test_roundtrip_u24 ... ok
[INFO] [stdout] test types_num::test_roundtrip_u32 ... ok
[INFO] [stdout] test types_num::test_sign_extension ... ok
[INFO] [stdout] test types_num::test_sign_extension_limits ... ok
[INFO] [stdout] test types_num::test_slice_packing ... ok
[INFO] [stdout] test types_num::test_struct_info ... ok
[INFO] [stdout] test types_num::test_u16 ... ok
[INFO] [stdout] test types_num::test_u32 ... ok
[INFO] [stdout] test types_num::test_u8 ... ok
[INFO] [stdout] test types_num::test_u64 ... 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 packed_struct
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - (line 272) ... ok
[INFO] [stdout] test src/lib.rs - (line 103) ... ok
[INFO] [stdout] test src/lib.rs - (line 301) ... ok
[INFO] [stdout] test src/lib.rs - (line 53) ... ok
[INFO] [stdout] test src/lib.rs - (line 152) ... ok
[INFO] [stdout] test src/lib.rs - (line 199) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/types_tuples.rs - types_tuples (line 7) ... ok
[INFO] [stdout] test src/lib.rs - (line 177) ... ok
[INFO] [stdout] test src/types_tuples.rs - types_tuples (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 230) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d1efc22d8694dcee65a3f48b559d006022cbe19b300ac56c175e295ac5939a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1efc22d8694dcee65a3f48b559d006022cbe19b300ac56c175e295ac5939a76", kill_on_drop: false }`
[INFO] [stdout] d1efc22d8694dcee65a3f48b559d006022cbe19b300ac56c175e295ac5939a76