[INFO] fetching crate simple_bitfield 0.1.8...
[INFO] checking simple_bitfield-0.1.8 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate simple_bitfield 0.1.8 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate simple_bitfield 0.1.8 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple_bitfield 0.1.8
[INFO] finished tweaking crates.io crate simple_bitfield 0.1.8
[INFO] tweaked toml for crates.io crate simple_bitfield 0.1.8 written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63f4b8df6fa1dbee80d9f45b9de1b770cc53775427d9256aa4a1ac2ac1a20cce
[INFO] running `Command { std: "docker" "start" "-a" "63f4b8df6fa1dbee80d9f45b9de1b770cc53775427d9256aa4a1ac2ac1a20cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63f4b8df6fa1dbee80d9f45b9de1b770cc53775427d9256aa4a1ac2ac1a20cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f4b8df6fa1dbee80d9f45b9de1b770cc53775427d9256aa4a1ac2ac1a20cce", kill_on_drop: false }`
[INFO] [stdout] 63f4b8df6fa1dbee80d9f45b9de1b770cc53775427d9256aa4a1ac2ac1a20cce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d0d7e1b2765af5f6a61559721ac3237641d9c349e2c373787f389d83bd8c437
[INFO] running `Command { std: "docker" "start" "-a" "4d0d7e1b2765af5f6a61559721ac3237641d9c349e2c373787f389d83bd8c437", kill_on_drop: false }`
[INFO] [stderr]     Checking simple_bitfield v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: reference to packed field is unaligned
[INFO] [stdout]    --> src/tests.rs:169:16
[INFO] [stdout]     |
[INFO] [stdout] 169 |     assert_eq!(the_struct.bitfield1.field2.get(), 1);
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unaligned_references)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #82523 <https://github.com/rust-lang/rust/issues/82523>
[INFO] [stdout]     = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "4d0d7e1b2765af5f6a61559721ac3237641d9c349e2c373787f389d83bd8c437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d0d7e1b2765af5f6a61559721ac3237641d9c349e2c373787f389d83bd8c437", kill_on_drop: false }`
[INFO] [stdout] 4d0d7e1b2765af5f6a61559721ac3237641d9c349e2c373787f389d83bd8c437