[INFO] fetching crate slow_nn 0.1.22...
[INFO] checking slow_nn-0.1.22 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate slow_nn 0.1.22 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate slow_nn 0.1.22 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slow_nn 0.1.22
[INFO] finished tweaking crates.io crate slow_nn 0.1.22
[INFO] tweaked toml for crates.io crate slow_nn 0.1.22 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09c2b66630667c1f1db1190c1d076cc269ccd17745ab704eb2dc86195bd0cd2b
[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" "09c2b66630667c1f1db1190c1d076cc269ccd17745ab704eb2dc86195bd0cd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09c2b66630667c1f1db1190c1d076cc269ccd17745ab704eb2dc86195bd0cd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c2b66630667c1f1db1190c1d076cc269ccd17745ab704eb2dc86195bd0cd2b", kill_on_drop: false }`
[INFO] [stdout] 09c2b66630667c1f1db1190c1d076cc269ccd17745ab704eb2dc86195bd0cd2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d70a0474942ae939db47f5b74ab523934691ca34d72432dce1359a22a4a3dfb
[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" "9d70a0474942ae939db47f5b74ab523934691ca34d72432dce1359a22a4a3dfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking slow_nn v0.1.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.59s
[INFO] running `Command { std: "docker" "inspect" "9d70a0474942ae939db47f5b74ab523934691ca34d72432dce1359a22a4a3dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d70a0474942ae939db47f5b74ab523934691ca34d72432dce1359a22a4a3dfb", kill_on_drop: false }`
[INFO] [stdout] 9d70a0474942ae939db47f5b74ab523934691ca34d72432dce1359a22a4a3dfb