[INFO] fetching crate nexosim-util 0.2.0...
[INFO] testing nexosim-util-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate nexosim-util 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate nexosim-util 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nexosim-util 0.2.0
[INFO] tweaked toml for crates.io crate nexosim-util 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nexosim-util 0.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nexosim-util 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tonic-build v0.14.3
[INFO] [stderr]   Downloaded tonic-prost-build v0.14.3
[INFO] [stderr]   Downloaded pulldown-cmark-to-cmark v22.0.0
[INFO] [stderr]   Downloaded thread-guard v0.1.0
[INFO] [stderr]   Downloaded pollster v0.4.0
[INFO] [stderr]   Downloaded recycle-box v0.2.0
[INFO] [stderr]   Downloaded async-event v0.2.1
[INFO] [stderr]   Downloaded generator v0.7.5
[INFO] [stderr]   Downloaded schemars_derive v1.2.0
[INFO] [stderr]   Downloaded loom v0.5.6
[INFO] [stderr]   Downloaded pulldown-cmark v0.13.0
[INFO] [stderr]   Downloaded wasi v0.14.3+wasi-0.2.4
[INFO] [stderr]   Downloaded zmij v1.0.16
[INFO] [stderr]   Downloaded anyhow v1.0.99
[INFO] [stderr]   Downloaded diatomic-waker v0.2.3
[INFO] [stderr]   Downloaded nexosim v1.0.0
[INFO] [stderr]   Downloaded multishot v0.3.2
[INFO] [stderr]   Downloaded nexosim-macros v1.0.0
[INFO] [stderr]   Downloaded smol_str v0.3.2
[INFO] [stderr]   Downloaded nu-ansi-term v0.50.1
[INFO] [stderr]   Downloaded st3 v0.4.1
[INFO] [stderr]   Downloaded tai-time v1.0.0
[INFO] [stderr]   Downloaded spin_sleep v1.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abd9ad0b29720590c1d7e58b17707499d341be1ef8d42c1e87b4a466c609b035
[INFO] running `Command { std: "docker" "start" "-a" "abd9ad0b29720590c1d7e58b17707499d341be1ef8d42c1e87b4a466c609b035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abd9ad0b29720590c1d7e58b17707499d341be1ef8d42c1e87b4a466c609b035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abd9ad0b29720590c1d7e58b17707499d341be1ef8d42c1e87b4a466c609b035", kill_on_drop: false }`
[INFO] [stdout] abd9ad0b29720590c1d7e58b17707499d341be1ef8d42c1e87b4a466c609b035
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4e77474fba3285ddae212df086b71aeca93e7386188b1f805125e0cc18ea264
[INFO] running `Command { std: "docker" "start" "-a" "f4e77474fba3285ddae212df086b71aeca93e7386188b1f805125e0cc18ea264", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling zmij v1.0.16
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling nexosim v1.0.0
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling st3 v0.4.1
[INFO] [stderr]    Compiling async-event v0.2.1
[INFO] [stderr]    Compiling pollster v0.4.0
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling spin_sleep v1.3.2
[INFO] [stderr]    Compiling recycle-box v0.2.0
[INFO] [stderr]    Compiling multishot v0.3.2
[INFO] [stderr]    Compiling diatomic-waker v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling nexosim-macros v1.0.0
[INFO] [stderr]    Compiling schemars_derive v1.2.0
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling schemars v1.2.0
[INFO] [stderr]    Compiling smol_str v0.3.2
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling tai-time v1.0.0
[INFO] [stderr]    Compiling nexosim-util v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.80s
[INFO] running `Command { std: "docker" "inspect" "f4e77474fba3285ddae212df086b71aeca93e7386188b1f805125e0cc18ea264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4e77474fba3285ddae212df086b71aeca93e7386188b1f805125e0cc18ea264", kill_on_drop: false }`
[INFO] [stdout] f4e77474fba3285ddae212df086b71aeca93e7386188b1f805125e0cc18ea264
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef1148462513aaec3f137f9a10bead3b77fe85d961bcccbffdc2def41e3610ac
[INFO] running `Command { std: "docker" "start" "-a" "ef1148462513aaec3f137f9a10bead3b77fe85d961bcccbffdc2def41e3610ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling thread-guard v0.1.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling nexosim-util v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.54s
[INFO] running `Command { std: "docker" "inspect" "ef1148462513aaec3f137f9a10bead3b77fe85d961bcccbffdc2def41e3610ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef1148462513aaec3f137f9a10bead3b77fe85d961bcccbffdc2def41e3610ac", kill_on_drop: false }`
[INFO] [stdout] ef1148462513aaec3f137f9a10bead3b77fe85d961bcccbffdc2def41e3610ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40c76117a94683d3cf1ce09e9b2382dbb60f9b470ca518d0ba17963fd3d3fe9b
[INFO] running `Command { std: "docker" "start" "-a" "40c76117a94683d3cf1ce09e9b2382dbb60f9b470ca518d0ba17963fd3d3fe9b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nexosim_util-b8145b44bdb76413)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nexosim_util
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/observable.rs - observable (line 98) ... ok
[INFO] [stdout] test src/observable.rs - observable (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 1.90s; merged doctests compilation took 1.87s
[INFO] running `Command { std: "docker" "inspect" "40c76117a94683d3cf1ce09e9b2382dbb60f9b470ca518d0ba17963fd3d3fe9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40c76117a94683d3cf1ce09e9b2382dbb60f9b470ca518d0ba17963fd3d3fe9b", kill_on_drop: false }`
[INFO] [stdout] 40c76117a94683d3cf1ce09e9b2382dbb60f9b470ca518d0ba17963fd3d3fe9b