[INFO] fetching crate flowrlib 0.8.8...
[INFO] checking flowrlib-0.8.8 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate flowrlib 0.8.8 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate flowrlib 0.8.8 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 flowrlib 0.8.8
[INFO] finished tweaking crates.io crate flowrlib 0.8.8
[INFO] tweaked toml for crates.io crate flowrlib 0.8.8 written to /workspace/builds/worker-9/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 9700f1d9d1e4aca5b7012b1166914624b0b9cb24e26c5345e6da9992f476a01a
[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" "9700f1d9d1e4aca5b7012b1166914624b0b9cb24e26c5345e6da9992f476a01a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9700f1d9d1e4aca5b7012b1166914624b0b9cb24e26c5345e6da9992f476a01a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9700f1d9d1e4aca5b7012b1166914624b0b9cb24e26c5345e6da9992f476a01a", kill_on_drop: false }`
[INFO] [stdout] 9700f1d9d1e4aca5b7012b1166914624b0b9cb24e26c5345e6da9992f476a01a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 262c89badab1026b0a2c96ecd3d5b7f706eae8f0db50f9e08afd91fd4298535f
[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" "262c89badab1026b0a2c96ecd3d5b7f706eae8f0db50f9e08afd91fd4298535f", kill_on_drop: false }`
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking libc v0.2.79
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking multimap v0.5.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking flow_impl v0.8.5
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking wasmi-validation v0.1.0
[INFO] [stderr]     Checking wasmi v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking flowrlib v0.8.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.74s
[INFO] running `Command { std: "docker" "inspect" "262c89badab1026b0a2c96ecd3d5b7f706eae8f0db50f9e08afd91fd4298535f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "262c89badab1026b0a2c96ecd3d5b7f706eae8f0db50f9e08afd91fd4298535f", kill_on_drop: false }`
[INFO] [stdout] 262c89badab1026b0a2c96ecd3d5b7f706eae8f0db50f9e08afd91fd4298535f