[INFO] fetching crate standing-relations 0.1.2...
[INFO] testing standing-relations-0.1.2 against beta-2023-10-04 for beta-1.74-1
[INFO] extracting crate standing-relations 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate standing-relations 0.1.2 on toolchain beta-2023-10-04
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-10-04" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate standing-relations 0.1.2
[INFO] finished tweaking crates.io crate standing-relations 0.1.2
[INFO] tweaked toml for crates.io crate standing-relations 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-10-04" "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" "+beta-2023-10-04" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-10-04" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 437e446aa41d706d7a55ec764c1381813b683b989fca9d6619911c0bdd8e80a2
[INFO] running `Command { std: "docker" "start" "-a" "437e446aa41d706d7a55ec764c1381813b683b989fca9d6619911c0bdd8e80a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "437e446aa41d706d7a55ec764c1381813b683b989fca9d6619911c0bdd8e80a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "437e446aa41d706d7a55ec764c1381813b683b989fca9d6619911c0bdd8e80a2", kill_on_drop: false }`
[INFO] [stdout] 437e446aa41d706d7a55ec764c1381813b683b989fca9d6619911c0bdd8e80a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-10-04" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54c5750d7d0dd8c86a4b52e8b773560311b6a5c1dca0613611ba8fefbe2a5400
[INFO] running `Command { std: "docker" "start" "-a" "54c5750d7d0dd8c86a4b52e8b773560311b6a5c1dca0613611ba8fefbe2a5400", kill_on_drop: false }`
[INFO] [stderr]    Compiling standing-relations v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/context/tracking.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let mut info = &mut self.0[index.0];
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "54c5750d7d0dd8c86a4b52e8b773560311b6a5c1dca0613611ba8fefbe2a5400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54c5750d7d0dd8c86a4b52e8b773560311b6a5c1dca0613611ba8fefbe2a5400", kill_on_drop: false }`
[INFO] [stdout] 54c5750d7d0dd8c86a4b52e8b773560311b6a5c1dca0613611ba8fefbe2a5400
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-10-04" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb630e2bfc6ef27fbf36e1a3339dcc93625df5c49065c0d0e27a41ba3f619cd8
[INFO] running `Command { std: "docker" "start" "-a" "eb630e2bfc6ef27fbf36e1a3339dcc93625df5c49065c0d0e27a41ba3f619cd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/context/tracking.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let mut info = &mut self.0[index.0];
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling console v0.15.7
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling similar v2.3.0
[INFO] [stderr]    Compiling similar-asserts v1.5.0
[INFO] [stderr]    Compiling goldenfile v1.5.2
[INFO] [stderr]    Compiling standing-relations v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/context/tracking.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let mut info = &mut self.0[index.0];
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `standing-relations` (lib test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-10-04-x86_64-unknown-linux-gnu/bin/rustc --crate-name standing_relations --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=e002f3311f7e0601 -C extra-filename=-e002f3311f7e0601 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern goldenfile=/opt/rustwide/target/debug/deps/libgoldenfile-e2308aa988db031a.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-65a8fc73a54041d0.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "eb630e2bfc6ef27fbf36e1a3339dcc93625df5c49065c0d0e27a41ba3f619cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb630e2bfc6ef27fbf36e1a3339dcc93625df5c49065c0d0e27a41ba3f619cd8", kill_on_drop: false }`
[INFO] [stdout] eb630e2bfc6ef27fbf36e1a3339dcc93625df5c49065c0d0e27a41ba3f619cd8