[INFO] fetching crate memtable-macros 0.2.0...
[INFO] checking memtable-macros-0.2.0 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate memtable-macros 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate memtable-macros 0.2.0 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memtable-macros 0.2.0
[INFO] finished tweaking crates.io crate memtable-macros 0.2.0
[INFO] tweaked toml for crates.io crate memtable-macros 0.2.0 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" "+5518eaa946291f00471af8b254b2a1715f234882" "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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling_macro v0.12.4
[INFO] [stderr]   Downloaded darling v0.12.4
[INFO] [stderr]   Downloaded memtable-core v0.2.0
[INFO] [stderr]   Downloaded darling_core v0.12.4
[INFO] [stderr]   Downloaded stfu8 v0.2.7
[INFO] [stderr]   Downloaded voca_rs v1.15.2
[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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9d0dde7349b3738eb2a0f94b56166a60efbab16340ef9534cac07069bc2cabd
[INFO] running `Command { std: "docker" "start" "-a" "b9d0dde7349b3738eb2a0f94b56166a60efbab16340ef9534cac07069bc2cabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9d0dde7349b3738eb2a0f94b56166a60efbab16340ef9534cac07069bc2cabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d0dde7349b3738eb2a0f94b56166a60efbab16340ef9534cac07069bc2cabd", kill_on_drop: false }`
[INFO] [stdout] b9d0dde7349b3738eb2a0f94b56166a60efbab16340ef9534cac07069bc2cabd
[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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cac7c54050264bc5ecc44364c10b7895c8638517f81b8516f2d765ba8e1a25e5
[INFO] running `Command { std: "docker" "start" "-a" "cac7c54050264bc5ecc44364c10b7895c8638517f81b8516f2d765ba8e1a25e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking winnow v0.5.35
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]     Checking stfu8 v0.2.7
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling trybuild v1.0.89
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking memtable-core v0.2.0
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling indexmap v2.2.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking proc-macro-crate v1.3.1
[INFO] [stderr]     Checking serde_json v1.0.113
[INFO] [stderr]     Checking basic-toml v0.1.8
[INFO] [stderr]     Checking darling_core v0.12.4
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking voca_rs v1.15.2
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]     Checking darling v0.12.4
[INFO] [stderr]     Checking memtable-macros v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/derive/table/attributes.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     #[derive(Table)]
[INFO] [stdout]    |              ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 23 |         field: u8,
[INFO] [stdout]    |                ^^
[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] 23 |         field: (),
[INFO] [stdout]    |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/derive/table/attributes.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |     #[derive(Table)]
[INFO] [stdout]    |              ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 80 |         field1: u8,
[INFO] [stdout]    |                 ^^
[INFO] [stdout]    |
[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] 80 |         field1: (),
[INFO] [stdout]    |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/derive/table/attributes.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |     #[derive(Table)]
[INFO] [stdout]    |              ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 81 |         field2: bool,
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[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] 81 |         field2: (),
[INFO] [stdout]    |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/derive/table/fixed.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Table)]
[INFO] [stdout]    |          ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 25 |     field1: &'a str,
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[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] 25 |     field1: (),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/derive/table/fixed_column.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Table)]
[INFO] [stdout]    |          ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 25 |     field1: &'a str,
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[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] 25 |     field1: (),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/derive/table/tuple_structs.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |     #[derive(Table)]
[INFO] [stdout]    |              ----- field in this variant
[INFO] [stdout] 11 |     struct MyTuple(u8, String);
[INFO] [stdout]    |                    ^^
[INFO] [stdout]    |
[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] 11 |     struct MyTuple((), String);
[INFO] [stdout]    |                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/derive/table/tuple_structs.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 10 |     #[derive(Table)]
[INFO] [stdout]    |              ----- field in this variant
[INFO] [stdout] 11 |     struct MyTuple(u8, String);
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout]    |
[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] 11 |     struct MyTuple(u8, ());
[INFO] [stdout]    |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/derive/table/tuple_structs.rs:29:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |     #[derive(Table)]
[INFO] [stdout]    |              ----- field in this variant
[INFO] [stdout] 29 |     struct MyTuple<'a>(&'a u8, &'a str);
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout]    |
[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] 29 |     struct MyTuple<'a>((), &'a str);
[INFO] [stdout]    |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/derive/table/tuple_structs.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     #[derive(Table)]
[INFO] [stdout]    |              ----- field in this variant
[INFO] [stdout] 29 |     struct MyTuple<'a>(&'a u8, &'a str);
[INFO] [stdout]    |                                ^^^^^^^
[INFO] [stdout]    |
[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] 29 |     struct MyTuple<'a>(&'a u8, ());
[INFO] [stdout]    |                                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/hygiene/mod.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[derive(::memtable_macros::Table)]
[INFO] [stdout]    |          ------------------------ field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 47 |     field1: ::std::string::String,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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] 47 |     field1: (),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/hygiene/mod.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[derive(::memtable_macros::Table)]
[INFO] [stdout]    |          ------------------------ field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 55 |     field1: ::std::string::String,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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] 55 |     field1: (),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.09s
[INFO] running `Command { std: "docker" "inspect" "cac7c54050264bc5ecc44364c10b7895c8638517f81b8516f2d765ba8e1a25e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cac7c54050264bc5ecc44364c10b7895c8638517f81b8516f2d765ba8e1a25e5", kill_on_drop: false }`
[INFO] [stdout] cac7c54050264bc5ecc44364c10b7895c8638517f81b8516f2d765ba8e1a25e5
