[INFO] fetching crate nullable-utils-macros 0.2.0...
[INFO] checking nullable-utils-macros-0.2.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate nullable-utils-macros 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate nullable-utils-macros 0.2.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.99
[INFO] [stderr]   Downloaded serde_spanned v0.6.7
[INFO] [stderr]   Downloaded toml_datetime v0.6.8
[INFO] [stderr]   Downloaded windows-targets v0.52.6
[INFO] [stderr]   Downloaded termcolor v1.4.1
[INFO] [stderr]   Downloaded indexmap v2.4.0
[INFO] [stderr]   Downloaded toml v0.8.19
[INFO] [stderr]   Downloaded winnow v0.6.18
[INFO] [stderr]   Downloaded toml_edit v0.22.20
[INFO] [stderr]   Downloaded serde_derive v1.0.209
[INFO] [stderr]   Downloaded windows_i686_gnullvm v0.52.6
[INFO] [stderr]   Downloaded glob v0.3.1
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.52.6
[INFO] [stderr]   Downloaded winapi-util v0.1.9
[INFO] [stderr]   Downloaded serde_json v1.0.127
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.52.6
[INFO] [stderr]   Downloaded windows_i686_msvc v0.52.6
[INFO] [stderr]   Downloaded windows_i686_gnu v0.52.6
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.52.6
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.52.6
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.52.6
[INFO] [stderr]   Downloaded windows-sys v0.59.0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6999b847b4165483aa5f06bb863a74eabd2bfe3f89f90dd3490eff1795c4160e
[INFO] running `Command { std: "docker" "start" "-a" "6999b847b4165483aa5f06bb863a74eabd2bfe3f89f90dd3490eff1795c4160e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6999b847b4165483aa5f06bb863a74eabd2bfe3f89f90dd3490eff1795c4160e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6999b847b4165483aa5f06bb863a74eabd2bfe3f89f90dd3490eff1795c4160e", kill_on_drop: false }`
[INFO] [stdout] 6999b847b4165483aa5f06bb863a74eabd2bfe3f89f90dd3490eff1795c4160e
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8faf6cefbdab7f5f18bdadd8f03ccc37690b1600468e66b5f1f49760b4668d2e
[INFO] running `Command { std: "docker" "start" "-a" "8faf6cefbdab7f5f18bdadd8f03ccc37690b1600468e66b5f1f49760b4668d2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking winnow v0.6.18
[INFO] [stderr]    Compiling serde_json v1.0.127
[INFO] [stderr]    Compiling trybuild v1.0.99
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking indexmap v2.4.0
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.76
[INFO] [stderr]     Checking 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_spanned v0.6.7
[INFO] [stderr]     Checking toml_edit v0.22.20
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking toml v0.8.19
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.37s
[INFO] running `Command { std: "docker" "inspect" "8faf6cefbdab7f5f18bdadd8f03ccc37690b1600468e66b5f1f49760b4668d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8faf6cefbdab7f5f18bdadd8f03ccc37690b1600468e66b5f1f49760b4668d2e", kill_on_drop: false }`
[INFO] [stdout] 8faf6cefbdab7f5f18bdadd8f03ccc37690b1600468e66b5f1f49760b4668d2e