[INFO] fetching crate demikernel-network-simulator 0.1.0...
[INFO] testing demikernel-network-simulator-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate demikernel-network-simulator 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate demikernel-network-simulator 0.1.0
[INFO] finished tweaking crates.io crate demikernel-network-simulator 0.1.0
[INFO] tweaked toml for crates.io crate demikernel-network-simulator 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate demikernel-network-simulator 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate demikernel-network-simulator 0.1.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ab9e0ea256d7c52e99a8e97027c861a4afc27791c28f631f74cc000bff67abc
[INFO] running `Command { std: "docker" "start" "-a" "1ab9e0ea256d7c52e99a8e97027c861a4afc27791c28f631f74cc000bff67abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ab9e0ea256d7c52e99a8e97027c861a4afc27791c28f631f74cc000bff67abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab9e0ea256d7c52e99a8e97027c861a4afc27791c28f631f74cc000bff67abc", kill_on_drop: false }`
[INFO] [stdout] 1ab9e0ea256d7c52e99a8e97027c861a4afc27791c28f631f74cc000bff67abc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87fe22aae739a949507ae2fb2b7c07a2fe0497d87bf6952881f18b99e65c1b77
[INFO] running `Command { std: "docker" "start" "-a" "87fe22aae739a949507ae2fb2b7c07a2fe0497d87bf6952881f18b99e65c1b77", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling cactus v1.0.7
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling clap_builder v4.5.17
[INFO] [stderr]    Compiling vob v3.0.3
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling vergen v8.3.2
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling lrpar v0.13.7
[INFO] [stderr]    Compiling lrlex v0.13.7
[INFO] [stderr]    Compiling clap v4.5.17
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling packedvec v1.2.4
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling sparsevec v0.2.0
[INFO] [stderr]    Compiling cfgrammar v0.13.7
[INFO] [stderr]    Compiling lrtable v0.13.7
[INFO] [stderr]    Compiling demikernel-network-simulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.37s
[INFO] running `Command { std: "docker" "inspect" "87fe22aae739a949507ae2fb2b7c07a2fe0497d87bf6952881f18b99e65c1b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87fe22aae739a949507ae2fb2b7c07a2fe0497d87bf6952881f18b99e65c1b77", kill_on_drop: false }`
[INFO] [stdout] 87fe22aae739a949507ae2fb2b7c07a2fe0497d87bf6952881f18b99e65c1b77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c20043c09322057ab13402e39af6081e149d9944f6aceee7c2866f3538a3ada3
[INFO] running `Command { std: "docker" "start" "-a" "c20043c09322057ab13402e39af6081e149d9944f6aceee7c2866f3538a3ada3", kill_on_drop: false }`
[INFO] [stderr]    Compiling demikernel-network-simulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "c20043c09322057ab13402e39af6081e149d9944f6aceee7c2866f3538a3ada3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c20043c09322057ab13402e39af6081e149d9944f6aceee7c2866f3538a3ada3", kill_on_drop: false }`
[INFO] [stdout] c20043c09322057ab13402e39af6081e149d9944f6aceee7c2866f3538a3ada3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b91bce933fbc3886903ba0c533f74c63668f4aa80d812ccd8c52c31c54e6f110
[INFO] running `Command { std: "docker" "start" "-a" "b91bce933fbc3886903ba0c533f74c63668f4aa80d812ccd8c52c31c54e6f110", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/network_simulator-28c06276c0a78f49)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/network_simulator-5a9830033712334d)
[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 network_simulator
[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" "b91bce933fbc3886903ba0c533f74c63668f4aa80d812ccd8c52c31c54e6f110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b91bce933fbc3886903ba0c533f74c63668f4aa80d812ccd8c52c31c54e6f110", kill_on_drop: false }`
[INFO] [stdout] b91bce933fbc3886903ba0c533f74c63668f4aa80d812ccd8c52c31c54e6f110