[INFO] fetching crate finiteelement_macros 0.1.0...
[INFO] testing finiteelement_macros-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate finiteelement_macros 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate finiteelement_macros 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cec6197dc208e710d57b5e02e09e74c4deba49dd76bef1c55d8c6556233c0dfa
[INFO] running `Command { std: "docker" "start" "-a" "cec6197dc208e710d57b5e02e09e74c4deba49dd76bef1c55d8c6556233c0dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cec6197dc208e710d57b5e02e09e74c4deba49dd76bef1c55d8c6556233c0dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cec6197dc208e710d57b5e02e09e74c4deba49dd76bef1c55d8c6556233c0dfa", kill_on_drop: false }`
[INFO] [stdout] cec6197dc208e710d57b5e02e09e74c4deba49dd76bef1c55d8c6556233c0dfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaf0cd9af954bdda359e97523fc4d528b921d5904eb947e4b8b89dadc157038e
[INFO] running `Command { std: "docker" "start" "-a" "aaf0cd9af954bdda359e97523fc4d528b921d5904eb947e4b8b89dadc157038e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling finiteelement_macros v0.1.0 (/opt/rustwide/workdir)
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.80s
[INFO] running `Command { std: "docker" "inspect" "aaf0cd9af954bdda359e97523fc4d528b921d5904eb947e4b8b89dadc157038e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf0cd9af954bdda359e97523fc4d528b921d5904eb947e4b8b89dadc157038e", kill_on_drop: false }`
[INFO] [stdout] aaf0cd9af954bdda359e97523fc4d528b921d5904eb947e4b8b89dadc157038e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a2d0474921de03f3e63644c1a8388672aee4a3b94fe5668808f4ba52d2b80b3
[INFO] running `Command { std: "docker" "start" "-a" "2a2d0474921de03f3e63644c1a8388672aee4a3b94fe5668808f4ba52d2b80b3", kill_on_drop: false }`
[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] [stderr]    Compiling finiteelement_macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 4 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "2a2d0474921de03f3e63644c1a8388672aee4a3b94fe5668808f4ba52d2b80b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a2d0474921de03f3e63644c1a8388672aee4a3b94fe5668808f4ba52d2b80b3", kill_on_drop: false }`
[INFO] [stdout] 2a2d0474921de03f3e63644c1a8388672aee4a3b94fe5668808f4ba52d2b80b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 51a19ae9217e78b0a53d3c71cc691564a05bc5c8b001f2c0c50432bcc05f9e2e
[INFO] running `Command { std: "docker" "start" "-a" "51a19ae9217e78b0a53d3c71cc691564a05bc5c8b001f2c0c50432bcc05f9e2e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: associated function is never used: `acos`
[INFO] [stderr]    --> src/formal.rs:189:12
[INFO] [stderr]     |
[INFO] [stderr] 189 |     pub fn acos(&self) -> Self {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `eval`
[INFO] [stderr]    --> src/formal.rs:194:12
[INFO] [stderr]     |
[INFO] [stderr] 194 |     pub fn eval(&self, var: &[F]) -> F {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `finiteelement_macros` (lib) generated 4 warnings
[INFO] [stderr] warning: `finiteelement_macros` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/finiteelement_macros-982a77df4bde9fa6)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests finiteelement_macros
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 23) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 23) stdout ----
[INFO] [stdout] error: the `#[proc_macro]` attribute is only usable with crates of the `proc-macro` crate type
[INFO] [stdout]   --> src/lib.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[proc_macro]
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::formal`
[INFO] [stdout]  --> src/lib.rs:25:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::formal::{Formal, FormalVector, FormalPoint, Float};
[INFO] [stdout]   |            ^^^^^^ could not find `formal` in the crate root
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::autoimplementable`
[INFO] [stdout]  --> src/lib.rs:26:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::autoimplementable::AutoImplementable;
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^ could not find `autoimplementable` in the crate root
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TokenStream` in this scope
[INFO] [stdout]   --> src/lib.rs:80:32
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn auto_impl_spring(_item: TokenStream) -> TokenStream {
[INFO] [stdout]    |                                ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use proc_macro::TokenStream;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use proc_macro::bridge::server::TokenStream;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TokenStream` in this scope
[INFO] [stdout]   --> src/lib.rs:80:48
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn auto_impl_spring(_item: TokenStream) -> TokenStream {
[INFO] [stdout]    |                                                ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use proc_macro::TokenStream;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use proc_macro::bridge::server::TokenStream;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `macro_def` in this scope
[INFO] [stdout]   --> src/lib.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 60 |    macro_def::<f32, _Spring>()
[INFO] [stdout]    |    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 23)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "51a19ae9217e78b0a53d3c71cc691564a05bc5c8b001f2c0c50432bcc05f9e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51a19ae9217e78b0a53d3c71cc691564a05bc5c8b001f2c0c50432bcc05f9e2e", kill_on_drop: false }`
[INFO] [stdout] 51a19ae9217e78b0a53d3c71cc691564a05bc5c8b001f2c0c50432bcc05f9e2e