[INFO] crate finiteelement_macros 0.1.0 is already in cache
[INFO] extracting crate finiteelement_macros 0.1.0 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/finiteelement_macros/0.1.0
[INFO] extracting crate finiteelement_macros 0.1.0 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/finiteelement_macros/0.1.0
[INFO] validating manifest of finiteelement_macros-0.1.0 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of finiteelement_macros-0.1.0 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing finiteelement_macros-0.1.0
[INFO] finished frobbing finiteelement_macros-0.1.0
[INFO] frobbed toml for finiteelement_macros-0.1.0 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/finiteelement_macros/0.1.0/Cargo.toml
[INFO] started frobbing finiteelement_macros-0.1.0
[INFO] finished frobbing finiteelement_macros-0.1.0
[INFO] frobbed toml for finiteelement_macros-0.1.0 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/finiteelement_macros/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking finiteelement_macros-0.1.0 against try#75eff020d0923c035c2fe220db4a0465cd847048 for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-6/try#75eff020d0923c035c2fe220db4a0465cd847048:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/finiteelement_macros/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9604db582a7498989aca5ec093cca1ea66a056d17445dce974b0cce03fba179c
[INFO] running `"docker" "start" "-a" "9604db582a7498989aca5ec093cca1ea66a056d17445dce974b0cce03fba179c"`
[INFO] [stderr]     Checking finiteelement_macros v0.1.0 (/opt/crater/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:145:1
[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:145:1
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "9604db582a7498989aca5ec093cca1ea66a056d17445dce974b0cce03fba179c"`
[INFO] running `"docker" "rm" "-f" "9604db582a7498989aca5ec093cca1ea66a056d17445dce974b0cce03fba179c"`
[INFO] [stdout] 9604db582a7498989aca5ec093cca1ea66a056d17445dce974b0cce03fba179c