[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseftontycho%2Fstrict-builder: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[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 master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseftontycho%2Fstrict-builder" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/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-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/seftontycho/strict-builder on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Updating crates.io index
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Downloading crates ...
[INFO] [stderr] Downloaded trybuild v1.0.89
[INFO] [stderr] Downloaded dissimilar v1.0.7
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1f775af19d01b7582355acb3ac80355458dcc017d4d25e010ee300b0c6c050e
[INFO] running `Command { std: "docker" "start" "-a" "c1f775af19d01b7582355acb3ac80355458dcc017d4d25e010ee300b0c6c050e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1f775af19d01b7582355acb3ac80355458dcc017d4d25e010ee300b0c6c050e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1f775af19d01b7582355acb3ac80355458dcc017d4d25e010ee300b0c6c050e", kill_on_drop: false }`
[INFO] [stdout] c1f775af19d01b7582355acb3ac80355458dcc017d4d25e010ee300b0c6c050e
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a017803317a5a3227fa204c7919c8b21f1ffe2fcb4278d90e6769f522ff03b2d
[INFO] running `Command { std: "docker" "start" "-a" "a017803317a5a3227fa204c7919c8b21f1ffe2fcb4278d90e6769f522ff03b2d", kill_on_drop: false }`
[INFO] [stderr] Compiling proc-macro2 v1.0.78
[INFO] [stderr] Checking unicode-ident v1.0.12
[INFO] [stderr] Compiling serde v1.0.195
[INFO] [stderr] Compiling serde_json v1.0.111
[INFO] [stderr] Checking itoa v1.0.10
[INFO] [stderr] Checking ryu v1.0.16
[INFO] [stderr] Compiling trybuild v1.0.89
[INFO] [stderr] Checking glob v0.3.1
[INFO] [stderr] Checking dissimilar v1.0.7
[INFO] [stderr] Checking termcolor v1.4.1
[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