[INFO] fetching crate flowrlib 0.95.0...
[INFO] checking flowrlib-0.95.0 against master#180dffba142c47240ca0d93096ce90b9fd97c8d7 for pr-114716
[INFO] extracting crate flowrlib 0.95.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate flowrlib 0.95.0 on toolchain 180dffba142c47240ca0d93096ce90b9fd97c8d7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flowrlib 0.95.0
[INFO] finished tweaking crates.io crate flowrlib 0.95.0
[INFO] tweaked toml for crates.io crate flowrlib 0.95.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test v1.0.0
[INFO] [stderr]   Downloaded serial_test_derive v1.0.0
[INFO] [stderr]   Downloaded portpicker v0.1.1
[INFO] [stderr]   Downloaded simpath v2.3.0
[INFO] [stderr]   Downloaded flowcore v0.95.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc51bf969328961453a975b7c9c0b68afb36cda1fc34307737da0f8d4c707d35
[INFO] running `Command { std: "docker" "start" "-a" "bc51bf969328961453a975b7c9c0b68afb36cda1fc34307737da0f8d4c707d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc51bf969328961453a975b7c9c0b68afb36cda1fc34307737da0f8d4c707d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc51bf969328961453a975b7c9c0b68afb36cda1fc34307737da0f8d4c707d35", kill_on_drop: false }`
[INFO] [stdout] bc51bf969328961453a975b7c9c0b68afb36cda1fc34307737da0f8d4c707d35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fb2b766f0e1d5301bc463728e3ccb5d1c7ac4c1df75ea6dbeea15918e1a9832
[INFO] running `Command { std: "docker" "start" "-a" "0fb2b766f0e1d5301bc463728e3ccb5d1c7ac4c1df75ea6dbeea15918e1a9832", kill_on_drop: false }`
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[INFO] [stderr]     Checking futures v0.3.28
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[INFO] [stderr]     Checking flowrlib v0.95.0 (/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 dev [unoptimized + debuginfo] target(s) in 25.32s
[INFO] running `Command { std: "docker" "inspect" "0fb2b766f0e1d5301bc463728e3ccb5d1c7ac4c1df75ea6dbeea15918e1a9832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fb2b766f0e1d5301bc463728e3ccb5d1c7ac4c1df75ea6dbeea15918e1a9832", kill_on_drop: false }`
[INFO] [stdout] 0fb2b766f0e1d5301bc463728e3ccb5d1c7ac4c1df75ea6dbeea15918e1a9832