[INFO] fetching crate wtforms 0.0.1...
[INFO] checking wtforms-0.0.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate wtforms 0.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate wtforms 0.0.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate wtforms 0.0.1
[INFO] finished tweaking crates.io crate wtforms 0.0.1
[INFO] tweaked toml for crates.io crate wtforms 0.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 14c7901b6d4f7f1ba94ddf262d94d1f5fe46b93f5303258e06cd7e5e6883c4c0
[INFO] running `"docker" "start" "-a" "14c7901b6d4f7f1ba94ddf262d94d1f5fe46b93f5303258e06cd7e5e6883c4c0"`
[INFO] [stderr]     Checking syn v0.14.9
[INFO] [stderr]     Checking wtforms-derive v0.0.0
[INFO] [stderr]     Checking wtforms v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fields.rs:12:31
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn validate(&self, form: &Form) -> Result<(), Error> {
[INFO] [stderr]    |                               ^^^^ help: use `dyn`: `dyn Form`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `form`
[INFO] [stderr]   --> src/fields.rs:12:24
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn validate(&self, form: &Form) -> Result<(), Error> {
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_form`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `inner`
[INFO] [stderr]  --> src/fields.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     inner: T,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fields.rs:12:31
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn validate(&self, form: &Form) -> Result<(), Error> {
[INFO] [stderr]    |                               ^^^^ help: use `dyn`: `dyn Form`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `form`
[INFO] [stderr]   --> src/fields.rs:12:24
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn validate(&self, form: &Form) -> Result<(), Error> {
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_form`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `inner`
[INFO] [stderr]  --> src/fields.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     inner: T,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: cannot find derive macro `Form` in this scope
[INFO] [stderr]  --> tests/test_derive.rs:9:14
[INFO] [stderr]   |
[INFO] [stderr] 9 |     #[derive(Form)]
[INFO] [stderr]   |              ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find derive macro `Form` in this scope
[INFO] [stderr]   --> tests/test_derive.rs:19:14
[INFO] [stderr]    |
[INFO] [stderr] 19 |     #[derive(Form)]
[INFO] [stderr]    |              ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `field` in this scope
[INFO] [stderr]   --> tests/test_derive.rs:21:11
[INFO] [stderr]    |
[INFO] [stderr] 21 |         #[field(name = "username", autofocus)]
[INFO] [stderr]    |           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `field` in this scope
[INFO] [stderr]   --> tests/test_derive.rs:23:11
[INFO] [stderr]    |
[INFO] [stderr] 23 |         #[field(ty = "password")]
[INFO] [stderr]    |           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/test_derive.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `wtforms`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "14c7901b6d4f7f1ba94ddf262d94d1f5fe46b93f5303258e06cd7e5e6883c4c0"`
[INFO] running `"docker" "rm" "-f" "14c7901b6d4f7f1ba94ddf262d94d1f5fe46b93f5303258e06cd7e5e6883c4c0"`
[INFO] [stdout] 14c7901b6d4f7f1ba94ddf262d94d1f5fe46b93f5303258e06cd7e5e6883c4c0