[INFO] fetching crate rdisk_shared 0.1.0...
[INFO] checking rdisk_shared-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate rdisk_shared 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate rdisk_shared 0.1.0
[INFO] finished tweaking crates.io crate rdisk_shared 0.1.0
[INFO] tweaked toml for crates.io crate rdisk_shared 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rdisk_shared 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7700ad01ca25b20a32aeda13ecff7fad0983fd69b34f5452ee7012fba9383b30
[INFO] running `Command { std: "docker" "start" "-a" "7700ad01ca25b20a32aeda13ecff7fad0983fd69b34f5452ee7012fba9383b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7700ad01ca25b20a32aeda13ecff7fad0983fd69b34f5452ee7012fba9383b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7700ad01ca25b20a32aeda13ecff7fad0983fd69b34f5452ee7012fba9383b30", kill_on_drop: false }`
[INFO] [stdout] 7700ad01ca25b20a32aeda13ecff7fad0983fd69b34f5452ee7012fba9383b30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6baa61c145c961041855d8ac1d1b0c168eb22210e956418b68b551e90a35d7d0
[INFO] running `Command { std: "docker" "start" "-a" "6baa61c145c961041855d8ac1d1b0c168eb22210e956418b68b551e90a35d7d0", kill_on_drop: false }`
[INFO] [stderr]     Checking rdisk_shared v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0793]: reference to packed field is unaligned
[INFO] [stdout]    --> src/lib.rs:330:13
[INFO] [stdout]     |
[INFO] [stdout] 330 |             assert_eq!(0, buffer.word)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: packed structs are only aligned by one byte, and many modern architectures penalize unaligned field accesses
[INFO] [stdout]     = note: creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stdout]     = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0793]: reference to packed field is unaligned
[INFO] [stdout]    --> src/lib.rs:336:13
[INFO] [stdout]     |
[INFO] [stdout] 336 |             assert_eq!(0, buffer.word)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: packed structs are only aligned by one byte, and many modern architectures penalize unaligned field accesses
[INFO] [stdout]     = note: creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stdout]     = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0793]: reference to packed field is unaligned
[INFO] [stdout]    --> src/lib.rs:345:13
[INFO] [stdout]     |
[INFO] [stdout] 345 |             assert_eq!(0, s.word)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: packed structs are only aligned by one byte, and many modern architectures penalize unaligned field accesses
[INFO] [stdout]     = note: creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stdout]     = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0793]: reference to packed field is unaligned
[INFO] [stdout]    --> src/lib.rs:351:13
[INFO] [stdout]     |
[INFO] [stdout] 351 |             assert_eq!(0, s.word)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: packed structs are only aligned by one byte, and many modern architectures penalize unaligned field accesses
[INFO] [stdout]     = note: creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stdout]     = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:334:9
[INFO] [stdout]     |
[INFO] [stdout] 334 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:343:9
[INFO] [stdout]     |
[INFO] [stdout] 343 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:349:9
[INFO] [stdout]     |
[INFO] [stdout] 349 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0793`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rdisk_shared` (lib test) due to 4 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6baa61c145c961041855d8ac1d1b0c168eb22210e956418b68b551e90a35d7d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6baa61c145c961041855d8ac1d1b0c168eb22210e956418b68b551e90a35d7d0", kill_on_drop: false }`
[INFO] [stdout] 6baa61c145c961041855d8ac1d1b0c168eb22210e956418b68b551e90a35d7d0