[INFO] cloning repository https://github.com/mrbrowning/ds-advent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrbrowning/ds-advent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrbrowning%2Fds-advent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrbrowning%2Fds-advent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41f221a1862a7674b54a2e9121249f96c3897bc4
[INFO] testing mrbrowning/ds-advent against beta-2025-04-13 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrbrowning%2Fds-advent" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrbrowning/ds-advent on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mrbrowning/ds-advent
[INFO] finished tweaking git repo https://github.com/mrbrowning/ds-advent
[INFO] tweaked toml for git repo https://github.com/mrbrowning/ds-advent written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mrbrowning/ds-advent 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-2025-04-13" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c7f3fda38df38be925284c924dbc0d74fb42054179fd0257ff0c03720aa49c3
[INFO] running `Command { std: "docker" "start" "-a" "6c7f3fda38df38be925284c924dbc0d74fb42054179fd0257ff0c03720aa49c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c7f3fda38df38be925284c924dbc0d74fb42054179fd0257ff0c03720aa49c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c7f3fda38df38be925284c924dbc0d74fb42054179fd0257ff0c03720aa49c3", kill_on_drop: false }`
[INFO] [stdout] 6c7f3fda38df38be925284c924dbc0d74fb42054179fd0257ff0c03720aa49c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b39c8ce95b6cf03926289e6ec878e4edadb4bd2b79f4b51c272b9de85436d9d6
[INFO] running `Command { std: "docker" "start" "-a" "b39c8ce95b6cf03926289e6ec878e4edadb4bd2b79f4b51c272b9de85436d9d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling thiserror v1.0.53
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling termcolor v1.4.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling is-terminal v0.4.10
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling thiserror-impl v1.0.53
[INFO] [stderr]    Compiling message_macro v0.1.0 (/opt/rustwide/workdir/message_macro)
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling env_logger v0.10.1
[INFO] [stderr]    Compiling tokio v1.35.1
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling tokio-stream v0.1.14
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling maelstrom_csp2 v0.1.0 (/opt/rustwide/workdir/maelstrom_csp2)
[INFO] [stderr]    Compiling maelstrom_csp v0.1.0 (/opt/rustwide/workdir/maelstrom_csp)
[INFO] [stderr]    Compiling maelstrom v0.1.0 (/opt/rustwide/workdir/maelstrom)
[INFO] [stderr]    Compiling challenge5 v0.1.0 (/opt/rustwide/workdir/challenge5)
[INFO] [stderr]    Compiling challenge4 v0.1.0 (/opt/rustwide/workdir/challenge4)
[INFO] [stderr]    Compiling challenge6 v0.1.0 (/opt/rustwide/workdir/challenge6)
[INFO] [stderr]    Compiling challenge1 v0.1.0 (/opt/rustwide/workdir/challenge1)
[INFO] [stderr]    Compiling challenge2 v0.1.0 (/opt/rustwide/workdir/challenge2)
[INFO] [stderr]    Compiling challenge3 v0.1.0 (/opt/rustwide/workdir/challenge3)
[INFO] [stderr]    Compiling old_challenge1 v0.1.0 (/opt/rustwide/workdir/old_challenge1)
[INFO] [stderr]    Compiling old_challenge2 v0.1.0 (/opt/rustwide/workdir/old_challenge2)
[INFO] [stdout] warning: struct `RingTopology` is never constructed
[INFO] [stdout]    --> challenge3/src/main.rs:580:8
[INFO] [stdout]     |
[INFO] [stdout] 580 | struct RingTopology {}
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `challenge5` (bin "challenge5")
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-04-13-x86_64-unknown-linux-gnu/bin/rustc --crate-name challenge5 --edition=2021 challenge5/src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=2d421d5a25ff71b7 -C extra-filename=-da6316fce0888164 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-88f4d296dfd2a2a0.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-73eedbee5e582502.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-9e77c5346729da41.rlib --extern maelstrom_csp2=/opt/rustwide/target/debug/deps/libmaelstrom_csp2-dec3f62c512f8f9a.rlib --extern message_macro=/opt/rustwide/target/debug/deps/libmessage_macro-e2d1137eef8fc327.so --extern serde=/opt/rustwide/target/debug/deps/libserde-5953923ffd84d5e9.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-66fc4fa1210b7f8b.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-9fc2bac509f77eed.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b39c8ce95b6cf03926289e6ec878e4edadb4bd2b79f4b51c272b9de85436d9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b39c8ce95b6cf03926289e6ec878e4edadb4bd2b79f4b51c272b9de85436d9d6", kill_on_drop: false }`
[INFO] [stdout] b39c8ce95b6cf03926289e6ec878e4edadb4bd2b79f4b51c272b9de85436d9d6