[INFO] fetching crate flowrlib 0.91.0...
[INFO] building flowrlib-0.91.0 against master#c8e6a9e8b6251bbc8276cb78cabe1998deecbed7 for pr-97334-2
[INFO] extracting crate flowrlib 0.91.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate flowrlib 0.91.0 on toolchain c8e6a9e8b6251bbc8276cb78cabe1998deecbed7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8e6a9e8b6251bbc8276cb78cabe1998deecbed7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flowrlib 0.91.0
[INFO] finished tweaking crates.io crate flowrlib 0.91.0
[INFO] tweaked toml for crates.io crate flowrlib 0.91.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+c8e6a9e8b6251bbc8276cb78cabe1998deecbed7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8e6a9e8b6251bbc8276cb78cabe1998deecbed7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zmq-sys v0.12.0
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[INFO] [stderr]   Downloaded zmq v0.10.0
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[INFO] [stderr]   Downloaded cranelift-native v0.90.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+c8e6a9e8b6251bbc8276cb78cabe1998deecbed7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9623d7cafb5aeedbf20890a0e90f4690a8688d5f18a4b536ad3211038696a84c
[INFO] running `Command { std: "docker" "start" "-a" "9623d7cafb5aeedbf20890a0e90f4690a8688d5f18a4b536ad3211038696a84c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9623d7cafb5aeedbf20890a0e90f4690a8688d5f18a4b536ad3211038696a84c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9623d7cafb5aeedbf20890a0e90f4690a8688d5f18a4b536ad3211038696a84c", kill_on_drop: false }`
[INFO] [stdout] 9623d7cafb5aeedbf20890a0e90f4690a8688d5f18a4b536ad3211038696a84c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+c8e6a9e8b6251bbc8276cb78cabe1998deecbed7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbec95c316d8baa0385611b5abfdcd524754ba6c9e3b206dd84005a9c0282c8d
[INFO] running `Command { std: "docker" "start" "-a" "dbec95c316d8baa0385611b5abfdcd524754ba6c9e3b206dd84005a9c0282c8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
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[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde_derive v1.0.152
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[INFO] [stderr]    Compiling version_check v0.9.4
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[INFO] [stderr]    Compiling openssl-sys v0.9.80
[INFO] [stderr]    Compiling curl-sys v0.4.59+curl-7.86.0
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[INFO] [stderr]    Compiling wasmtime-runtime v3.0.1
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[INFO] [stderr]    Compiling serde_json v1.0.91
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[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling wasmtime-jit-icache-coherence v2.0.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling wasmtime v3.0.1
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.5
[INFO] [stderr]    Compiling zmq v0.10.0
[INFO] [stderr]    Compiling jwalk v0.6.2
[INFO] [stderr]    Compiling addr2line v0.19.0
[INFO] [stderr]    Compiling dircpy v0.3.14
[INFO] [stderr]    Compiling zeromq-src v0.2.4+4.3.4
[INFO] [stderr]    Compiling cranelift-codegen v0.90.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr]    Compiling cranelift-entity v0.90.1
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling cranelift-bforest v0.90.1
[INFO] [stderr]    Compiling gimli v0.26.2
[INFO] [stderr]    Compiling wasmparser v0.93.0
[INFO] [stderr]    Compiling cranelift-egraph v0.90.1
[INFO] [stderr]    Compiling object v0.29.0
[INFO] [stderr]    Compiling serde_yaml v0.9.17
[INFO] [stderr]    Compiling simpath v2.3.0
[INFO] [stderr]    Compiling system-deps v6.0.3
[INFO] [stderr]    Compiling zmq-sys v0.12.0
[INFO] [stderr]    Compiling flowcore v0.91.0
[INFO] [stderr]    Compiling wasmtime-types v3.0.1
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling wasmtime-environ v3.0.1
[INFO] [stderr]    Compiling wasmtime-jit v3.0.1
[INFO] [stderr]    Compiling cranelift-frontend v0.90.1
[INFO] [stderr]    Compiling cranelift-native v0.90.1
[INFO] [stderr]    Compiling cranelift-wasm v0.90.1
[INFO] [stderr]    Compiling wasmtime-cranelift v3.0.1
[INFO] [stderr]    Compiling flowrlib v0.91.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "dbec95c316d8baa0385611b5abfdcd524754ba6c9e3b206dd84005a9c0282c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbec95c316d8baa0385611b5abfdcd524754ba6c9e3b206dd84005a9c0282c8d", kill_on_drop: false }`
[INFO] [stdout] dbec95c316d8baa0385611b5abfdcd524754ba6c9e3b206dd84005a9c0282c8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+c8e6a9e8b6251bbc8276cb78cabe1998deecbed7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d75bcbd8624a1866c6e151f41b56f23b84aedb92e09a5941768f966ef8dd989
[INFO] running `Command { std: "docker" "start" "-a" "4d75bcbd8624a1866c6e151f41b56f23b84aedb92e09a5941768f966ef8dd989", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling serial_test_derive v0.10.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling portpicker v0.1.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling dashmap v5.4.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling futures-executor v0.3.25
[INFO] [stderr]    Compiling futures v0.3.25
[INFO] [stderr]    Compiling serial_test v0.10.0
[INFO] [stderr]    Compiling flowrlib v0.91.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Value`
[INFO] [stdout]    --> src/run_state.rs:913:28
[INFO] [stdout]     |
[INFO] [stdout] 913 |     use serde_json::{json, Value};
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `flowcore::errors::Result`
[INFO] [stdout]    --> src/run_state.rs:916:9
[INFO] [stdout]     |
[INFO] [stdout] 916 |     use flowcore::errors::Result;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.25s
[INFO] running `Command { std: "docker" "inspect" "4d75bcbd8624a1866c6e151f41b56f23b84aedb92e09a5941768f966ef8dd989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d75bcbd8624a1866c6e151f41b56f23b84aedb92e09a5941768f966ef8dd989", kill_on_drop: false }`
[INFO] [stdout] 4d75bcbd8624a1866c6e151f41b56f23b84aedb92e09a5941768f966ef8dd989