[INFO] fetching crate reducer 2.0.0...
[INFO] checking reducer-2.0.0 against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] extracting crate reducer 2.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate reducer 2.0.0 on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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] 0131de5c803511c4e93122d0cdc87cb1ec0439505bc412f9c70bb242f5d71786
[INFO] running `"docker" "start" "-a" "0131de5c803511c4e93122d0cdc87cb1ec0439505bc412f9c70bb242f5d71786"`
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]    Compiling derive_deref v1.1.0
[INFO] [stderr]     Checking criterion-plot v0.4.1
[INFO] [stderr]     Checking proptest v0.9.5
[INFO] [stderr]     Checking bstr v0.2.10
[INFO] [stderr]     Checking predicates v1.0.2
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling mockall_derive v0.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking pin-project v0.4.7
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking mockall v0.6.0
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking reducer v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.56s
[INFO] running `"docker" "inspect" "0131de5c803511c4e93122d0cdc87cb1ec0439505bc412f9c70bb242f5d71786"`
[INFO] running `"docker" "rm" "-f" "0131de5c803511c4e93122d0cdc87cb1ec0439505bc412f9c70bb242f5d71786"`
[INFO] [stdout] 0131de5c803511c4e93122d0cdc87cb1ec0439505bc412f9c70bb242f5d71786