[INFO] fetching crate field-offset 0.3.6...
[INFO] checking field-offset-0.3.6 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate field-offset 0.3.6 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate field-offset 0.3.6 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate field-offset 0.3.6
[INFO] finished tweaking crates.io crate field-offset 0.3.6
[INFO] tweaked toml for crates.io crate field-offset 0.3.6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f194b43e7cd21f09aa09c4d3c3f2f2b32c3880e2fdac8eb021754ffb5a1228ed
[INFO] running `Command { std: "docker" "start" "-a" "f194b43e7cd21f09aa09c4d3c3f2f2b32c3880e2fdac8eb021754ffb5a1228ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f194b43e7cd21f09aa09c4d3c3f2f2b32c3880e2fdac8eb021754ffb5a1228ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f194b43e7cd21f09aa09c4d3c3f2f2b32c3880e2fdac8eb021754ffb5a1228ed", kill_on_drop: false }`
[INFO] [stdout] f194b43e7cd21f09aa09c4d3c3f2f2b32c3880e2fdac8eb021754ffb5a1228ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1b75a403e28eaeb32b9605c9ccc12030976bfdaab63f47359f6226b73ca1b22
[INFO] running `Command { std: "docker" "start" "-a" "a1b75a403e28eaeb32b9605c9ccc12030976bfdaab63f47359f6226b73ca1b22", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling field-offset v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `const_panic` has been stable since 1.57.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:53
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(fieldoffset_assert_in_const_fn, feature(const_panic))]
[INFO] [stdout]   |                                                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_panic` has been stable since 1.57.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:53
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(fieldoffset_assert_in_const_fn, feature(const_panic))]
[INFO] [stdout]   |                                                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:60:25
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct PhantomContra<T>(fn(T));
[INFO] [stdout]    |        -------------    ^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct PhantomContra<T>(());
[INFO] [stdout]    |                         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:60:25
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct PhantomContra<T>(fn(T));
[INFO] [stdout]    |        -------------    ^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct PhantomContra<T>(());
[INFO] [stdout]    |                         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `c` are never read
[INFO] [stdout]    --> src/lib.rs:381:9
[INFO] [stdout]     |
[INFO] [stdout] 380 |     struct Foo {
[INFO] [stdout]     |            --- fields in this struct
[INFO] [stdout] 381 |         a: u32,
[INFO] [stdout]     |         ^
[INFO] [stdout] 382 |         b: f64,
[INFO] [stdout] 383 |         c: bool,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `x` is never read
[INFO] [stdout]    --> src/lib.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |     struct Bar {
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] 388 |         x: u32,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Bar` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:393:18
[INFO] [stdout]     |
[INFO] [stdout] 393 |     struct Tuple(i32, f64);
[INFO] [stdout]     |            ----- ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Tuple` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 393 |     struct Tuple((), f64);
[INFO] [stdout]     |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "a1b75a403e28eaeb32b9605c9ccc12030976bfdaab63f47359f6226b73ca1b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1b75a403e28eaeb32b9605c9ccc12030976bfdaab63f47359f6226b73ca1b22", kill_on_drop: false }`
[INFO] [stdout] a1b75a403e28eaeb32b9605c9ccc12030976bfdaab63f47359f6226b73ca1b22
