[INFO] cloning repository https://github.com/merlleu/scylla-macros-flex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/merlleu/scylla-macros-flex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerlleu%2Fscylla-macros-flex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerlleu%2Fscylla-macros-flex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f99ee6b2f8e62b26079f18b562b250e6a7b129b2
[INFO] checking merlleu/scylla-macros-flex against try#e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerlleu%2Fscylla-macros-flex" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/merlleu/scylla-macros-flex
[INFO] finished tweaking git repo https://github.com/merlleu/scylla-macros-flex
[INFO] tweaked toml for git repo https://github.com/merlleu/scylla-macros-flex written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/merlleu/scylla-macros-flex on toolchain e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/merlleu/scylla-macros-flex 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" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21d1bfa92173246cdb97ff08c70b809158bca45307b2b292b21017afa2147ccb
[INFO] running `Command { std: "docker" "start" "-a" "21d1bfa92173246cdb97ff08c70b809158bca45307b2b292b21017afa2147ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21d1bfa92173246cdb97ff08c70b809158bca45307b2b292b21017afa2147ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21d1bfa92173246cdb97ff08c70b809158bca45307b2b292b21017afa2147ccb", kill_on_drop: false }`
[INFO] [stdout] 21d1bfa92173246cdb97ff08c70b809158bca45307b2b292b21017afa2147ccb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef7fa1e3d97e228b1cefb61e6230ed6e4d527a73d3d3fdcc51654f6be25ead8d
[INFO] running `Command { std: "docker" "start" "-a" "ef7fa1e3d97e228b1cefb61e6230ed6e4d527a73d3d3fdcc51654f6be25ead8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking unicode-ident v1.0.13
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking scylla-macros-flex v1.5.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `parse_struct_name` is never used
[INFO] [stdout]   --> src/parser.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub(crate) fn parse_struct_name(tokens_input: TokenStream) -> Ident {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_struct_name` is never used
[INFO] [stdout]   --> src/parser.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub(crate) fn parse_struct_name(tokens_input: TokenStream) -> Ident {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "ef7fa1e3d97e228b1cefb61e6230ed6e4d527a73d3d3fdcc51654f6be25ead8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef7fa1e3d97e228b1cefb61e6230ed6e4d527a73d3d3fdcc51654f6be25ead8d", kill_on_drop: false }`
[INFO] [stdout] ef7fa1e3d97e228b1cefb61e6230ed6e4d527a73d3d3fdcc51654f6be25ead8d