[INFO] fetching crate rooting-forms 0.0.1...
[INFO] checking rooting-forms-0.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rooting-forms 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rooting-forms 0.0.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rooting-forms 0.0.1
[INFO] finished tweaking crates.io crate rooting-forms 0.0.1
[INFO] tweaked toml for crates.io crate rooting-forms 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages
[INFO] [stderr]       Adding gloo-events v0.1.2 (latest: v0.2.0)
[INFO] [stderr]       Adding gloo-utils v0.1.7 (latest: v0.2.0)
[INFO] [stderr]       Adding litrs v0.2.3 (latest: v0.4.1)
[INFO] [stderr]       Adding rooting_forms_proc_macros v0.0.1 (latest: v0.0.4)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rooting v0.1.8
[INFO] [stderr]   Downloaded litrs v0.2.3
[INFO] [stderr]   Downloaded rooting_forms_proc_macros v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f05391819968ce64180f7b3449d331192a32002a5867e015b8d76c7a7ec5bffe
[INFO] running `Command { std: "docker" "start" "-a" "f05391819968ce64180f7b3449d331192a32002a5867e015b8d76c7a7ec5bffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f05391819968ce64180f7b3449d331192a32002a5867e015b8d76c7a7ec5bffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f05391819968ce64180f7b3449d331192a32002a5867e015b8d76c7a7ec5bffe", kill_on_drop: false }`
[INFO] [stdout] f05391819968ce64180f7b3449d331192a32002a5867e015b8d76c7a7ec5bffe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99d0b4e8234b0e354648f70822869ca6d4e69bc858ee608dc6f29cfe488cde22
[INFO] running `Command { std: "docker" "start" "-a" "99d0b4e8234b0e354648f70822869ca6d4e69bc858ee608dc6f29cfe488cde22", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling bumpalo v3.15.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling litrs v0.2.3
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling rooting_forms_proc_macros v0.0.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking gloo-events v0.1.2
[INFO] [stderr]     Checking gloo-utils v0.1.7
[INFO] [stderr]     Checking rooting v0.1.8
[INFO] [stderr]     Checking rooting-forms v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct Password(String);
[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] 74 | pub struct Password(());
[INFO] [stdout]    |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:85:22
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct BigString(String);
[INFO] [stdout]    |            --------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[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] 85 | pub struct BigString(());
[INFO] [stdout]    |                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct Password(String);
[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] 74 | pub struct Password(());
[INFO] [stdout]    |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:85:22
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct BigString(String);
[INFO] [stdout]    |            --------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[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] 85 | pub struct BigString(());
[INFO] [stdout]    |                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.79s
[INFO] running `Command { std: "docker" "inspect" "99d0b4e8234b0e354648f70822869ca6d4e69bc858ee608dc6f29cfe488cde22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d0b4e8234b0e354648f70822869ca6d4e69bc858ee608dc6f29cfe488cde22", kill_on_drop: false }`
[INFO] [stdout] 99d0b4e8234b0e354648f70822869ca6d4e69bc858ee608dc6f29cfe488cde22