[INFO] fetching crate four 0.0.12...
[INFO] checking four-0.0.12 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate four 0.0.12 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate four 0.0.12 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 four 0.0.12
[INFO] finished tweaking crates.io crate four 0.0.12
[INFO] tweaked toml for crates.io crate four 0.0.12 written to /workspace/builds/worker-5-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 37 packages to latest compatible versions
[INFO] [stderr]       Adding idna v0.5.0 (latest: v1.0.2)
[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 kinded_macros v0.3.0
[INFO] [stderr]   Downloaded nutype_macros v0.4.3
[INFO] [stderr]   Downloaded four_derive v0.0.12
[INFO] [stderr]   Downloaded kinded v0.3.0
[INFO] [stderr]   Downloaded nutype v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 06d19b4c37d91fc4f02997eef7e78de7428ded498dcb7142aff324e8dfdf711d
[INFO] running `Command { std: "docker" "start" "-a" "06d19b4c37d91fc4f02997eef7e78de7428ded498dcb7142aff324e8dfdf711d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06d19b4c37d91fc4f02997eef7e78de7428ded498dcb7142aff324e8dfdf711d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06d19b4c37d91fc4f02997eef7e78de7428ded498dcb7142aff324e8dfdf711d", kill_on_drop: false }`
[INFO] [stdout] 06d19b4c37d91fc4f02997eef7e78de7428ded498dcb7142aff324e8dfdf711d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cd445ce9eb456460d1779979be4c53454c5e0ddd77768f91b2f591527db234bd
[INFO] running `Command { std: "docker" "start" "-a" "cd445ce9eb456460d1779979be4c53454c5e0ddd77768f91b2f591527db234bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling typeid v1.0.2
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]     Checking dyn-clone v1.0.17
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling kinded_macros v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling four_derive v0.0.12
[INFO] [stderr]    Compiling kinded v0.3.0
[INFO] [stderr]    Compiling nutype_macros v0.4.3
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking nutype v0.4.3
[INFO] [stderr]     Checking erased-serde v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking four v0.0.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `parameter::Parameter`
[INFO] [stdout]   --> src/core/function/mod.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         parameter::Parameter,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` 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 13.05s
[INFO] running `Command { std: "docker" "inspect" "cd445ce9eb456460d1779979be4c53454c5e0ddd77768f91b2f591527db234bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd445ce9eb456460d1779979be4c53454c5e0ddd77768f91b2f591527db234bd", kill_on_drop: false }`
[INFO] [stdout] cd445ce9eb456460d1779979be4c53454c5e0ddd77768f91b2f591527db234bd