[INFO] fetching crate akita_derive 0.2.3...
[INFO] checking akita_derive-0.2.3 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate akita_derive 0.2.3 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate akita_derive 0.2.3 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate akita_derive 0.2.3
[INFO] finished tweaking crates.io crate akita_derive 0.2.3
[INFO] tweaked toml for crates.io crate akita_derive 0.2.3 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 220eaf8393fa3ed40fc7f3fe12b76a5f3869cd5c2d6f664e0a00fba30b2915dc
[INFO] running `Command { std: "docker" "start" "-a" "220eaf8393fa3ed40fc7f3fe12b76a5f3869cd5c2d6f664e0a00fba30b2915dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "220eaf8393fa3ed40fc7f3fe12b76a5f3869cd5c2d6f664e0a00fba30b2915dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "220eaf8393fa3ed40fc7f3fe12b76a5f3869cd5c2d6f664e0a00fba30b2915dc", kill_on_drop: false }`
[INFO] [stdout] 220eaf8393fa3ed40fc7f3fe12b76a5f3869cd5c2d6f664e0a00fba30b2915dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19a688797cc02fca7c42d2a9c4c31aa19a396627069c77f6e955ff670ee4f79a
[INFO] running `Command { std: "docker" "start" "-a" "19a688797cc02fca7c42d2a9c4c31aa19a396627069c77f6e955ff670ee4f79a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking akita_derive v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `camel`
[INFO] [stdout]    --> src/table_derive.rs:876:9
[INFO] [stdout]     |
[INFO] [stdout] 876 |     let camel = camel_to_snack("CamelCase");
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_camel`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snack`
[INFO] [stdout]    --> src/table_derive.rs:877:9
[INFO] [stdout]     |
[INFO] [stdout] 877 |     let snack = snack_to_camel("snack_case");
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_snack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.81s
[INFO] running `Command { std: "docker" "inspect" "19a688797cc02fca7c42d2a9c4c31aa19a396627069c77f6e955ff670ee4f79a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a688797cc02fca7c42d2a9c4c31aa19a396627069c77f6e955ff670ee4f79a", kill_on_drop: false }`
[INFO] [stdout] 19a688797cc02fca7c42d2a9c4c31aa19a396627069c77f6e955ff670ee4f79a