[INFO] fetching crate geng-derive 0.6.0-alpha.3...
[INFO] checking geng-derive-0.6.0-alpha.3 against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] extracting crate geng-derive 0.6.0-alpha.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate geng-derive 0.6.0-alpha.3 on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate geng-derive 0.6.0-alpha.3
[INFO] finished tweaking crates.io crate geng-derive 0.6.0-alpha.3
[INFO] tweaked toml for crates.io crate geng-derive 0.6.0-alpha.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e52f3470b086c5c83f6c6d0873eb5e3772685087619402a49946339861b1311
[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" "9e52f3470b086c5c83f6c6d0873eb5e3772685087619402a49946339861b1311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e52f3470b086c5c83f6c6d0873eb5e3772685087619402a49946339861b1311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e52f3470b086c5c83f6c6d0873eb5e3772685087619402a49946339861b1311", kill_on_drop: false }`
[INFO] [stdout] 9e52f3470b086c5c83f6c6d0873eb5e3772685087619402a49946339861b1311
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c19b08cee8e34d710597fd49ff00b5c3cce86400e14e1a76ce3d40b63a4ea9b
[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" "4c19b08cee8e34d710597fd49ff00b5c3cce86400e14e1a76ce3d40b63a4ea9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking dyn-clone v1.0.2
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking proc-macro2 v1.0.23
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling tinyfiledialogs v3.3.10
[INFO] [stderr]     Checking chrono v0.4.18
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.24
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling trans-derive v0.3.0-alpha.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]    Compiling batbox-derive v0.5.0-alpha.0
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]     Checking trans v0.3.0-alpha.2
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking structopt v0.3.18
[INFO] [stderr]     Checking pin-project v0.4.24
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking ron v0.6.2
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking batbox v0.5.0-alpha.6
[INFO] [stderr]     Checking geng-derive v0.6.0-alpha.3 (/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 1m 32s
[INFO] running `Command { std: "docker" "inspect" "4c19b08cee8e34d710597fd49ff00b5c3cce86400e14e1a76ce3d40b63a4ea9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c19b08cee8e34d710597fd49ff00b5c3cce86400e14e1a76ce3d40b63a4ea9b", kill_on_drop: false }`
[INFO] [stdout] 4c19b08cee8e34d710597fd49ff00b5c3cce86400e14e1a76ce3d40b63a4ea9b