[INFO] fetching crate flowruntime 0.8.8...
[INFO] checking flowruntime-0.8.8 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate flowruntime 0.8.8 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate flowruntime 0.8.8 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flowruntime 0.8.8
[INFO] finished tweaking crates.io crate flowruntime 0.8.8
[INFO] tweaked toml for crates.io crate flowruntime 0.8.8 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded multimap v0.5.0
[INFO] [stderr]   Downloaded simplog v1.2.2
[INFO] [stderr]   Downloaded flow_impl v0.8.5
[INFO] [stderr]   Downloaded flowrlib v0.8.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61a524e766ee47d81cb9796eda20a086a7f2fc3ac2201a582d4a16932ff78fee
[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" "61a524e766ee47d81cb9796eda20a086a7f2fc3ac2201a582d4a16932ff78fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61a524e766ee47d81cb9796eda20a086a7f2fc3ac2201a582d4a16932ff78fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a524e766ee47d81cb9796eda20a086a7f2fc3ac2201a582d4a16932ff78fee", kill_on_drop: false }`
[INFO] [stdout] 61a524e766ee47d81cb9796eda20a086a7f2fc3ac2201a582d4a16932ff78fee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f0f64a216701defe802bebbf835e1a4ba976983e9e5c11b473399826cf39904a
[INFO] running `Command { std: "docker" "start" "-a" "f0f64a216701defe802bebbf835e1a4ba976983e9e5c11b473399826cf39904a", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking multimap v0.5.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking simplog v1.2.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking wasmi-validation v0.1.0
[INFO] [stderr]     Checking flow_impl v0.8.5
[INFO] [stderr]     Checking wasmi v0.4.5
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking flowrlib v0.8.8
[INFO] [stderr]     Checking flowruntime v0.8.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.43s
[INFO] running `Command { std: "docker" "inspect" "f0f64a216701defe802bebbf835e1a4ba976983e9e5c11b473399826cf39904a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f64a216701defe802bebbf835e1a4ba976983e9e5c11b473399826cf39904a", kill_on_drop: false }`
[INFO] [stdout] f0f64a216701defe802bebbf835e1a4ba976983e9e5c11b473399826cf39904a