[INFO] fetching crate finiteelement_macros 0.1.0...
[INFO] checking finiteelement_macros-0.1.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate finiteelement_macros 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate finiteelement_macros 0.1.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70ca4b9a51ff4c0718a0db442c4b1f748254410190d7e9ddd3de1fd77aa6affd
[INFO] running `Command { std: "docker" "start" "-a" "70ca4b9a51ff4c0718a0db442c4b1f748254410190d7e9ddd3de1fd77aa6affd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70ca4b9a51ff4c0718a0db442c4b1f748254410190d7e9ddd3de1fd77aa6affd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70ca4b9a51ff4c0718a0db442c4b1f748254410190d7e9ddd3de1fd77aa6affd", kill_on_drop: false }`
[INFO] [stdout] 70ca4b9a51ff4c0718a0db442c4b1f748254410190d7e9ddd3de1fd77aa6affd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fce38d429cb44de16c4d18445c0108b9403fca1c294910318f4e3e77383270e3
[INFO] running `Command { std: "docker" "start" "-a" "fce38d429cb44de16c4d18445c0108b9403fca1c294910318f4e3e77383270e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking finiteelement_macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/autoimplementable.rs:205:16
[INFO] [stdout]     |
[INFO] [stdout] 205 |            {1} \n\
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 206 | |         
[INFO] [stdout] 207 | |          impl<F: Float> finiteelement::FiniteElement<F> for {3}<F> {{ \n\
[INFO] [stdout]     | |_________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/autoimplementable.rs:205:16
[INFO] [stdout]     |
[INFO] [stdout] 205 |            {1} \n\
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 206 | |         
[INFO] [stdout] 207 | |          impl<F: Float> finiteelement::FiniteElement<F> for {3}<F> {{ \n\
[INFO] [stdout]     | |_________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Acos`
[INFO] [stdout]   --> src/formal.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Acos(Formal<F>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `var`
[INFO] [stdout]    --> src/formal.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub fn var<F: Float>(n: usize) -> Formal<F> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `acos`
[INFO] [stdout]    --> src/formal.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 |     pub fn acos(&self) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval`
[INFO] [stdout]    --> src/formal.rs:194:12
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn eval(&self, var: &[F]) -> F {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Acos`
[INFO] [stdout]   --> src/formal.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Acos(Formal<F>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `var`
[INFO] [stdout]    --> src/formal.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub fn var<F: Float>(n: usize) -> Formal<F> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `acos`
[INFO] [stdout]    --> src/formal.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 |     pub fn acos(&self) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval`
[INFO] [stdout]    --> src/formal.rs:194:12
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn eval(&self, var: &[F]) -> F {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.04s
[INFO] running `Command { std: "docker" "inspect" "fce38d429cb44de16c4d18445c0108b9403fca1c294910318f4e3e77383270e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fce38d429cb44de16c4d18445c0108b9403fca1c294910318f4e3e77383270e3", kill_on_drop: false }`
[INFO] [stdout] fce38d429cb44de16c4d18445c0108b9403fca1c294910318f4e3e77383270e3