[INFO] fetching crate flowruntime 0.8.8...
[INFO] checking flowruntime-0.8.8 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate flowruntime 0.8.8 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate flowruntime 0.8.8 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simplog v1.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 531ac81b0474bc3c1c8d433ae6105b5543d8e41901997784359a4460de8078ea
[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" "531ac81b0474bc3c1c8d433ae6105b5543d8e41901997784359a4460de8078ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "531ac81b0474bc3c1c8d433ae6105b5543d8e41901997784359a4460de8078ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "531ac81b0474bc3c1c8d433ae6105b5543d8e41901997784359a4460de8078ea", kill_on_drop: false }`
[INFO] [stdout] 531ac81b0474bc3c1c8d433ae6105b5543d8e41901997784359a4460de8078ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a10d825a1f4c9346803e662ac190644631fc09913a179a8bcdde5546a5c2623
[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" "7a10d825a1f4c9346803e662ac190644631fc09913a179a8bcdde5546a5c2623", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking simplog v1.2.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking wasmi-validation v0.1.0
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking wasmi v0.4.5
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking multimap v0.5.0
[INFO] [stderr]     Checking flow_impl v0.8.5
[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 1m 03s
[INFO] running `Command { std: "docker" "inspect" "7a10d825a1f4c9346803e662ac190644631fc09913a179a8bcdde5546a5c2623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a10d825a1f4c9346803e662ac190644631fc09913a179a8bcdde5546a5c2623", kill_on_drop: false }`
[INFO] [stdout] 7a10d825a1f4c9346803e662ac190644631fc09913a179a8bcdde5546a5c2623