[INFO] fetching crate nullable-utils-macros 0.2.0...
[INFO] building nullable-utils-macros-0.2.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate nullable-utils-macros 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate nullable-utils-macros 0.2.0
[INFO] finished tweaking crates.io crate nullable-utils-macros 0.2.0
[INFO] tweaked toml for crates.io crate nullable-utils-macros 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nullable-utils-macros 0.2.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cde735c8cef44f9c59ce146bf318868f481fc64651eb93ecacd3488aaf7bfd6
[INFO] running `Command { std: "docker" "start" "-a" "7cde735c8cef44f9c59ce146bf318868f481fc64651eb93ecacd3488aaf7bfd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cde735c8cef44f9c59ce146bf318868f481fc64651eb93ecacd3488aaf7bfd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cde735c8cef44f9c59ce146bf318868f481fc64651eb93ecacd3488aaf7bfd6", kill_on_drop: false }`
[INFO] [stdout] 7cde735c8cef44f9c59ce146bf318868f481fc64651eb93ecacd3488aaf7bfd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e5ea56d9a6e6e01df6f6e9d87e8887ccbfc4b20b7e70237892677129b12c4c2
[INFO] running `Command { std: "docker" "start" "-a" "0e5ea56d9a6e6e01df6f6e9d87e8887ccbfc4b20b7e70237892677129b12c4c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling nullable-utils-macros v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `semi_token` is never read
[INFO] [stdout]    --> src/lib.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 281 | struct WrapperFn {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 286 |     pub semi_token: Option<Token![;]>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "0e5ea56d9a6e6e01df6f6e9d87e8887ccbfc4b20b7e70237892677129b12c4c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e5ea56d9a6e6e01df6f6e9d87e8887ccbfc4b20b7e70237892677129b12c4c2", kill_on_drop: false }`
[INFO] [stdout] 0e5ea56d9a6e6e01df6f6e9d87e8887ccbfc4b20b7e70237892677129b12c4c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24284687b7c8843418b6a289c78f2c3cd8ec5f88e162b7846c78a6a533b19a8e
[INFO] running `Command { std: "docker" "start" "-a" "24284687b7c8843418b6a289c78f2c3cd8ec5f88e162b7846c78a6a533b19a8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling toml_writer v1.0.3
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling toml_datetime v0.7.2
[INFO] [stderr]    Compiling serde_spanned v1.0.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling nullable-utils-macros v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `semi_token` is never read
[INFO] [stdout]    --> src/lib.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 281 | struct WrapperFn {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 286 |     pub semi_token: Option<Token![;]>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling toml_parser v1.0.3
[INFO] [stderr]    Compiling toml v0.9.7
[INFO] [stderr]    Compiling trybuild v1.0.111
[INFO] [stdout] warning: field `semi_token` is never read
[INFO] [stdout]    --> src/lib.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 281 | struct WrapperFn {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 286 |     pub semi_token: Option<Token![;]>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.32s
[INFO] running `Command { std: "docker" "inspect" "24284687b7c8843418b6a289c78f2c3cd8ec5f88e162b7846c78a6a533b19a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24284687b7c8843418b6a289c78f2c3cd8ec5f88e162b7846c78a6a533b19a8e", kill_on_drop: false }`
[INFO] [stdout] 24284687b7c8843418b6a289c78f2c3cd8ec5f88e162b7846c78a6a533b19a8e