[INFO] crate artifact_lib 0.2.1 is already in cache
[INFO] checking artifact_lib-0.2.1 against master#2da942f32802c8233a09744024dfbc34431adf65 for pr-66963
[INFO] extracting crate artifact_lib 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate artifact_lib 0.2.1 on toolchain 2da942f32802c8233a09744024dfbc34431adf65
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate artifact_lib 0.2.1
[INFO] finished tweaking crates.io crate artifact_lib 0.2.1
[INFO] tweaked toml for crates.io crate artifact_lib 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bd15e8d86e135394257df017856fdd6cabf0390c54d07aecf7ff6fb8941a362f
[INFO] running `"docker" "start" "-a" "bd15e8d86e135394257df017856fdd6cabf0390c54d07aecf7ff6fb8941a362f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking new_debug_unreachable v1.0.3
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]     Checking ammonia v1.2.0
[INFO] [stderr]     Checking artifact_serde v0.2.1
[INFO] [stderr]     Checking artifact_lib v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `my_deck`
[INFO] [stderr]    --> src/lib.rs:426:13
[INFO] [stderr]     |
[INFO] [stderr] 426 |         let my_deck = my_artifact.get_deck(my_adc);
[INFO] [stderr]     |             ^^^^^^^ help: consider prefixing with an underscore: `_my_deck`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.25s
[INFO] running `"docker" "inspect" "bd15e8d86e135394257df017856fdd6cabf0390c54d07aecf7ff6fb8941a362f"`
[INFO] running `"docker" "rm" "-f" "bd15e8d86e135394257df017856fdd6cabf0390c54d07aecf7ff6fb8941a362f"`
[INFO] [stdout] bd15e8d86e135394257df017856fdd6cabf0390c54d07aecf7ff6fb8941a362f