[INFO] cloning repository https://github.com/seftontycho/strict-builder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seftontycho/strict-builder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseftontycho%2Fstrict-builder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseftontycho%2Fstrict-builder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd9e478322ea275dfbbb0e4e1c93ae0138bdbbbe
[INFO] checking seftontycho/strict-builder against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseftontycho%2Fstrict-builder" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/seftontycho/strict-builder
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/seftontycho/strict-builder
[INFO] tweaked toml for git repo https://github.com/seftontycho/strict-builder written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/seftontycho/strict-builder on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/seftontycho/strict-builder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a6505a92722df7a6cc3111fc5352b015419154a1eb6da880f3ecbd1de3b4916
[INFO] running `Command { std: "docker" "start" "-a" "3a6505a92722df7a6cc3111fc5352b015419154a1eb6da880f3ecbd1de3b4916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a6505a92722df7a6cc3111fc5352b015419154a1eb6da880f3ecbd1de3b4916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a6505a92722df7a6cc3111fc5352b015419154a1eb6da880f3ecbd1de3b4916", kill_on_drop: false }`
[INFO] [stdout] 3a6505a92722df7a6cc3111fc5352b015419154a1eb6da880f3ecbd1de3b4916
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ce2560c913d738096f4d6de54fa8aa5e7e61689094623032a539e47fa1a254b
[INFO] running `Command { std: "docker" "start" "-a" "4ce2560c913d738096f4d6de54fa8aa5e7e61689094623032a539e47fa1a254b", kill_on_drop: false }`
[INFO] [stderr] Compiling proc-macro2 v1.0.78
[INFO] [stderr] Compiling serde v1.0.195
[INFO] [stderr] Compiling serde_json v1.0.111
[INFO] [stderr] Checking itoa v1.0.10
[INFO] [stderr] Compiling trybuild v1.0.89
[INFO] [stderr] Checking ryu v1.0.16
[INFO] [stderr] Checking dissimilar v1.0.7
[INFO] [stderr] Checking quote v1.0.35
[INFO] [stderr] Checking syn v2.0.48
[INFO] [stderr] Checking strict_builder v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] --> src/lib.rs:55:30
[INFO] [stdout] |
[INFO] [stdout] 55 | fn parse_required(field: &syn::Field) -> Result