[INFO] fetching crate flowrlib 0.95.0...
[INFO] checking flowrlib-0.95.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate flowrlib 0.95.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate flowrlib 0.95.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simpath v2.3.0
[INFO] [stderr]   Downloaded serial_test_derive v1.0.0
[INFO] [stderr]   Downloaded flowcore v0.95.0
[INFO] [stderr]   Downloaded serial_test v1.0.0
[INFO] [stderr]   Downloaded portpicker v0.1.1
[INFO] [stderr]   Downloaded curl v0.4.46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4d2f23357cb687f9b567556b1ba9716b128a50991c82b95d770c329e57bfa50
[INFO] running `Command { std: "docker" "start" "-a" "c4d2f23357cb687f9b567556b1ba9716b128a50991c82b95d770c329e57bfa50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4d2f23357cb687f9b567556b1ba9716b128a50991c82b95d770c329e57bfa50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d2f23357cb687f9b567556b1ba9716b128a50991c82b95d770c329e57bfa50", kill_on_drop: false }`
[INFO] [stdout] c4d2f23357cb687f9b567556b1ba9716b128a50991c82b95d770c329e57bfa50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e281a4832929107f0a971aba031c18860829d8f05bd97fc65e19af106e384788
[INFO] running `Command { std: "docker" "start" "-a" "e281a4832929107f0a971aba031c18860829d8f05bd97fc65e19af106e384788", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]     Checking memchr v2.7.1
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[INFO] [stderr]     Checking stable_deref_trait v1.2.0
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[INFO] [stderr]     Checking smallvec v1.13.1
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[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling cranelift-isle v0.93.2
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[INFO] [stderr]    Compiling cranelift-codegen-shared v0.93.2
[INFO] [stderr]    Compiling serde v1.0.197
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[INFO] [stderr]     Checking cranelift-entity v0.93.2
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling crc32fast v1.4.0
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[INFO] [stderr]     Checking itertools v0.10.5
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[INFO] [stderr]    Compiling curl-sys v0.4.72+curl-8.6.0
[INFO] [stderr]    Compiling backtrace v0.3.69
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[INFO] [stderr]    Compiling cranelift-codegen v0.93.2
[INFO] [stderr]     Checking unsafe-libyaml v0.2.10
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[INFO] [stderr]    Compiling dircpy v0.3.16
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[INFO] [stderr]    Compiling zeromq-src v0.2.6+4.3.4
[INFO] [stderr]     Checking serde_yaml v0.9.32
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking portpicker v0.1.1
[INFO] [stderr]     Checking wasmtime-environ v6.0.2
[INFO] [stderr]     Checking simpath v2.3.0
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling toml v0.8.11
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr]    Compiling serial_test_derive v1.0.0
[INFO] [stderr]    Compiling system-deps v6.2.0
[INFO] [stderr]    Compiling zmq-sys v0.12.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking serial_test v1.0.0
[INFO] [stderr]     Checking wasmtime-jit v6.0.2
[INFO] [stderr]     Checking flowcore v0.95.0
[INFO] [stderr]     Checking cranelift-frontend v0.93.2
[INFO] [stderr]     Checking cranelift-native v0.93.2
[INFO] [stderr]     Checking cranelift-wasm v0.93.2
[INFO] [stderr]     Checking wasmtime-cranelift v6.0.2
[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` profile [unoptimized + debuginfo] target(s) in 16.78s
[INFO] running `Command { std: "docker" "inspect" "e281a4832929107f0a971aba031c18860829d8f05bd97fc65e19af106e384788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e281a4832929107f0a971aba031c18860829d8f05bd97fc65e19af106e384788", kill_on_drop: false }`
[INFO] [stdout] e281a4832929107f0a971aba031c18860829d8f05bd97fc65e19af106e384788