[INFO] fetching crate flowruntime 0.8.8...
[INFO] testing flowruntime-0.8.8 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate flowruntime 0.8.8 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate flowruntime 0.8.8 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01647f0a2d45c5759142d0116652bb91b183a0e22c7dd9145958c04079400885
[INFO] running `Command { std: "docker" "start" "-a" "01647f0a2d45c5759142d0116652bb91b183a0e22c7dd9145958c04079400885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01647f0a2d45c5759142d0116652bb91b183a0e22c7dd9145958c04079400885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01647f0a2d45c5759142d0116652bb91b183a0e22c7dd9145958c04079400885", kill_on_drop: false }`
[INFO] [stdout] 01647f0a2d45c5759142d0116652bb91b183a0e22c7dd9145958c04079400885
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7db10bb520bc9fc2cd040c109ebb23aae145f7b58bb2480cf65c7413f586e664
[INFO] running `Command { std: "docker" "start" "-a" "7db10bb520bc9fc2cd040c109ebb23aae145f7b58bb2480cf65c7413f586e664", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling parity-wasm v0.31.3
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling simplog v1.2.2
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling wasmi-validation v0.1.0
[INFO] [stderr]    Compiling wasmi v0.4.5
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling multimap v0.5.0
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling flow_impl v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling flowrlib v0.8.8
[INFO] [stderr]    Compiling flowruntime v0.8.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.92s
[INFO] running `Command { std: "docker" "inspect" "7db10bb520bc9fc2cd040c109ebb23aae145f7b58bb2480cf65c7413f586e664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db10bb520bc9fc2cd040c109ebb23aae145f7b58bb2480cf65c7413f586e664", kill_on_drop: false }`
[INFO] [stdout] 7db10bb520bc9fc2cd040c109ebb23aae145f7b58bb2480cf65c7413f586e664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67b4a29c9f4e184e40140fcf5ba112d340025325130e186ed88fc627576762f1
[INFO] running `Command { std: "docker" "start" "-a" "67b4a29c9f4e184e40140fcf5ba112d340025325130e186ed88fc627576762f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling flowruntime v0.8.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "67b4a29c9f4e184e40140fcf5ba112d340025325130e186ed88fc627576762f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67b4a29c9f4e184e40140fcf5ba112d340025325130e186ed88fc627576762f1", kill_on_drop: false }`
[INFO] [stdout] 67b4a29c9f4e184e40140fcf5ba112d340025325130e186ed88fc627576762f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0bc882072c709a4c72ef5f738b5fd7cf51866581279524839228108b56e34ceb
[INFO] running `Command { std: "docker" "start" "-a" "0bc882072c709a4c72ef5f738b5fd7cf51866581279524839228108b56e34ceb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flowruntime-4696904925481676)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flowruntime
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0bc882072c709a4c72ef5f738b5fd7cf51866581279524839228108b56e34ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc882072c709a4c72ef5f738b5fd7cf51866581279524839228108b56e34ceb", kill_on_drop: false }`
[INFO] [stdout] 0bc882072c709a4c72ef5f738b5fd7cf51866581279524839228108b56e34ceb