[INFO] fetching crate geng-derive 0.7.0-alpha.0...
[INFO] checking geng-derive-0.7.0-alpha.0 against beta for pr-78714
[INFO] extracting crate geng-derive 0.7.0-alpha.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate geng-derive 0.7.0-alpha.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate geng-derive 0.7.0-alpha.0
[INFO] finished tweaking crates.io crate geng-derive 0.7.0-alpha.0
[INFO] tweaked toml for crates.io crate geng-derive 0.7.0-alpha.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 970eea3075031a7dbb93dd1f9ee70d8d48c6d659df594f53ae213bea42adea6e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "970eea3075031a7dbb93dd1f9ee70d8d48c6d659df594f53ae213bea42adea6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "970eea3075031a7dbb93dd1f9ee70d8d48c6d659df594f53ae213bea42adea6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "970eea3075031a7dbb93dd1f9ee70d8d48c6d659df594f53ae213bea42adea6e", kill_on_drop: false }`
[INFO] [stdout] 970eea3075031a7dbb93dd1f9ee70d8d48c6d659df594f53ae213bea42adea6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43deab092014f052c4ba5e561b96b59744a8c0c7d6452299007357a07dc0ad14
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "43deab092014f052c4ba5e561b96b59744a8c0c7d6452299007357a07dc0ad14", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling tinyfiledialogs v3.3.10
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]     Checking stderrlog v0.5.0
[INFO] [stderr]    Compiling trans-derive v0.4.0-alpha.1
[INFO] [stderr]    Compiling batbox-derive v0.6.0-alpha.0
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking ron v0.6.2
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking trans v0.4.0-alpha.1
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking batbox v0.6.0-alpha.2
[INFO] [stderr]     Checking geng-derive v0.7.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `field_names_copy`
[INFO] [stdout]   --> src/assets.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let field_names_copy = field_names.clone();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_field_names_copy`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field_names_copy`
[INFO] [stdout]   --> src/assets.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let field_names_copy = field_names.clone();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_field_names_copy`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.89s
[INFO] running `Command { std: "docker" "inspect" "43deab092014f052c4ba5e561b96b59744a8c0c7d6452299007357a07dc0ad14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43deab092014f052c4ba5e561b96b59744a8c0c7d6452299007357a07dc0ad14", kill_on_drop: false }`
[INFO] [stdout] 43deab092014f052c4ba5e561b96b59744a8c0c7d6452299007357a07dc0ad14