[INFO] crate finiteelement_macros 0.1.0 is already in cache
[INFO] checking finiteelement_macros-0.1.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate finiteelement_macros 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate finiteelement_macros 0.1.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate finiteelement_macros 0.1.0
[INFO] finished tweaking crates.io crate finiteelement_macros 0.1.0
[INFO] tweaked toml for crates.io crate finiteelement_macros 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4d97578c56d19c19a1a81d5b14ef405723ca36de0b5b77082fcd664b70493ba7
[INFO] running `"docker" "start" "-a" "4d97578c56d19c19a1a81d5b14ef405723ca36de0b5b77082fcd664b70493ba7"`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking finiteelement_macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `Acos`
[INFO] [stderr]   --> src/formal.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Acos(Formal<F>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `var`
[INFO] [stderr]    --> src/formal.rs:145:8
[INFO] [stderr]     |
[INFO] [stderr] 145 | pub fn var<F: Float>(n: usize) -> Formal<F> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `acos`
[INFO] [stderr]    --> src/formal.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     pub fn acos(&self) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `eval`
[INFO] [stderr]    --> src/formal.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 194 |     pub fn eval(&self, var: &[F]) -> F {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Acos`
[INFO] [stderr]   --> src/formal.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Acos(Formal<F>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `var`
[INFO] [stderr]    --> src/formal.rs:145:8
[INFO] [stderr]     |
[INFO] [stderr] 145 | pub fn var<F: Float>(n: usize) -> Formal<F> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `acos`
[INFO] [stderr]    --> src/formal.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     pub fn acos(&self) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `eval`
[INFO] [stderr]    --> src/formal.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 194 |     pub fn eval(&self, var: &[F]) -> F {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.45s
[INFO] running `"docker" "inspect" "4d97578c56d19c19a1a81d5b14ef405723ca36de0b5b77082fcd664b70493ba7"`
[INFO] running `"docker" "rm" "-f" "4d97578c56d19c19a1a81d5b14ef405723ca36de0b5b77082fcd664b70493ba7"`
[INFO] [stdout] 4d97578c56d19c19a1a81d5b14ef405723ca36de0b5b77082fcd664b70493ba7