[INFO] crate reducer 2.0.0 is already in cache
[INFO] checking reducer-2.0.0 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate reducer 2.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate reducer 2.0.0 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate reducer 2.0.0
[INFO] finished tweaking crates.io crate reducer 2.0.0
[INFO] tweaked toml for crates.io crate reducer 2.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] 345cc2274c838c294623af9e8862996d3fc0112ace4b7a75fa698355c9506611
[INFO] running `"docker" "start" "-a" "345cc2274c838c294623af9e8862996d3fc0112ace4b7a75fa698355c9506611"`
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling derive_deref v1.1.0
[INFO] [stderr]    Compiling mockall_derive v0.6.0
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking reducer v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking mockall v0.6.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.11s
[INFO] running `"docker" "inspect" "345cc2274c838c294623af9e8862996d3fc0112ace4b7a75fa698355c9506611"`
[INFO] running `"docker" "rm" "-f" "345cc2274c838c294623af9e8862996d3fc0112ace4b7a75fa698355c9506611"`
[INFO] [stdout] 345cc2274c838c294623af9e8862996d3fc0112ace4b7a75fa698355c9506611