[INFO] cloning repository https://github.com/um-univie/molecules
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/um-univie/molecules" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fum-univie%2Fmolecules", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fum-univie%2Fmolecules'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e092e9dd8366113b5c8b29dcda299480d68cb847
[INFO] checking um-univie/molecules against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fum-univie%2Fmolecules" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/um-univie/molecules on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/um-univie/molecules
[INFO] finished tweaking git repo https://github.com/um-univie/molecules
[INFO] tweaked toml for git repo https://github.com/um-univie/molecules written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/um-univie/molecules 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package
[INFO] [stderr]     Updating molecules v0.1.4 (/workspace/builds/worker-3-tc1/source) -> v0.1.5
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded divrem v1.0.0
[INFO] [stderr]   Downloaded init_with v1.1.0
[INFO] [stderr]   Downloaded sorted-vec v0.8.3
[INFO] [stderr]   Downloaded transpose v0.2.3
[INFO] [stderr]   Downloaded kiddo v3.0.0
[INFO] [stderr]   Downloaded fixed v1.26.0
[INFO] [stderr]   Downloaded rustfft v6.2.0
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb4134b9959a7997dcaa8e256ef5741507796be994a4dd5d06ebbc90907b2333
[INFO] running `Command { std: "docker" "start" "-a" "cb4134b9959a7997dcaa8e256ef5741507796be994a4dd5d06ebbc90907b2333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb4134b9959a7997dcaa8e256ef5741507796be994a4dd5d06ebbc90907b2333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4134b9959a7997dcaa8e256ef5741507796be994a4dd5d06ebbc90907b2333", kill_on_drop: false }`
[INFO] [stdout] cb4134b9959a7997dcaa8e256ef5741507796be994a4dd5d06ebbc90907b2333
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3e66ed1c7d53698bdb1f0f9576089abe9eacb92334a06b6f0884538d0b33091
[INFO] running `Command { std: "docker" "start" "-a" "c3e66ed1c7d53698bdb1f0f9576089abe9eacb92334a06b6f0884538d0b33091", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling fixed v1.26.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling generator v0.7.5
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling rustfft v6.2.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking transpose v0.2.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking primal-check v0.3.3
[INFO] [stderr]     Checking ordered-float v4.2.0
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking init_with v1.1.0
[INFO] [stderr]     Checking ubyte v0.10.4
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking elapsed v0.1.2
[INFO] [stderr]     Checking divrem v1.0.0
[INFO] [stderr]     Checking sorted-vec v0.8.3
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking kiddo v3.0.0
[INFO] [stderr]     Checking molecules v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `additional_nodes`
[INFO] [stdout]    --> src/graphs.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 |     additional_nodes: &[usize],
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_additional_nodes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `additional_nodes`
[INFO] [stdout]    --> src/graphs.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 |     additional_nodes: &[usize],
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_additional_nodes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `combine` is never used
[INFO] [stdout]    --> src/molecular_formula.rs:425:8
[INFO] [stdout]     |
[INFO] [stdout] 335 | impl IsotopicPattern {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 425 |     fn combine(&self, other: &Self, n_peaks: usize) -> Self {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `combine` is never used
[INFO] [stdout]    --> src/molecular_formula.rs:425:8
[INFO] [stdout]     |
[INFO] [stdout] 335 | impl IsotopicPattern {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 425 |     fn combine(&self, other: &Self, n_peaks: usize) -> Self {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.85s
[INFO] running `Command { std: "docker" "inspect" "c3e66ed1c7d53698bdb1f0f9576089abe9eacb92334a06b6f0884538d0b33091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e66ed1c7d53698bdb1f0f9576089abe9eacb92334a06b6f0884538d0b33091", kill_on_drop: false }`
[INFO] [stdout] c3e66ed1c7d53698bdb1f0f9576089abe9eacb92334a06b6f0884538d0b33091