Dec 04 07:55:15.498 INFO checking udtrokia/gossip against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 07:55:15.498 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 07:55:15.659 INFO [stdout] c81d1faeeb6209016fde6c08d2fce39bc97d949f77f7d67cc6df1a42e8e9f9b4
Dec 04 07:55:15.661 INFO running `"docker" "start" "-a" "c81d1faeeb6209016fde6c08d2fce39bc97d949f77f7d67cc6df1a42e8e9f9b4"`
Dec 04 07:55:16.078 INFO [stderr] usermod: no changes
Dec 04 07:55:16.119 INFO [stderr]    Compiling proc-macro2 v0.4.12
Dec 04 07:55:16.119 INFO [stderr]    Compiling serde v1.0.71
Dec 04 07:55:18.315 INFO [stderr]    Compiling quote v0.6.6
Dec 04 07:55:19.198 INFO [stderr]    Compiling syn v0.14.8
Dec 04 07:55:29.451 INFO [stderr]    Compiling serde_derive v1.0.71
Dec 04 07:55:43.319 INFO [stderr]     Checking gossip v0.1.0 (/source)
Dec 04 07:55:43.600 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 07:55:43.600 INFO [stderr]  --> src/lib.rs:1:1
Dec 04 07:55:43.600 INFO [stderr]   |
Dec 04 07:55:43.600 INFO [stderr] 1 | #[macro_use]
Dec 04 07:55:43.600 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 07:55:43.600 INFO [stderr]   |
Dec 04 07:55:43.600 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 07:55:43.600 INFO [stderr] 
Dec 04 07:55:43.663 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 07:55:43.663 INFO [stderr]  --> src/lib.rs:1:1
Dec 04 07:55:43.663 INFO [stderr]   |
Dec 04 07:55:43.663 INFO [stderr] 1 | #[macro_use]
Dec 04 07:55:43.663 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 07:55:43.663 INFO [stderr]   |
Dec 04 07:55:43.663 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 07:55:43.663 INFO [stderr] 
Dec 04 07:55:43.675 INFO [stderr] warning: struct is never constructed: `Proof`
Dec 04 07:55:43.675 INFO [stderr]  --> src/structs/proof.rs:3:1
Dec 04 07:55:43.675 INFO [stderr]   |
Dec 04 07:55:43.675 INFO [stderr] 3 | pub struct Proof<P: PublicId> {
Dec 04 07:55:43.675 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:55:43.675 INFO [stderr]   |
Dec 04 07:55:43.675 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 07:55:43.675 INFO [stderr] 
Dec 04 07:55:43.675 INFO [stderr] warning: method is never used: `public_id`
Dec 04 07:55:43.675 INFO [stderr]  --> src/structs/proof.rs:9:5
Dec 04 07:55:43.675 INFO [stderr]   |
Dec 04 07:55:43.675 INFO [stderr] 9 |     pub fn public_id(&self) -> &P {
Dec 04 07:55:43.675 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:55:43.675 INFO [stderr] 
Dec 04 07:55:43.675 INFO [stderr] warning: method is never used: `signature`
Dec 04 07:55:43.675 INFO [stderr]   --> src/structs/proof.rs:13:5
Dec 04 07:55:43.675 INFO [stderr]    |
Dec 04 07:55:43.675 INFO [stderr] 13 |     pub fn signature(&self) -> &P::Signature {
Dec 04 07:55:43.675 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:55:43.675 INFO [stderr] 
Dec 04 07:55:43.675 INFO [stderr] warning: method is never used: `is_valid`
Dec 04 07:55:43.675 INFO [stderr]   --> src/structs/proof.rs:17:5
Dec 04 07:55:43.675 INFO [stderr]    |
Dec 04 07:55:43.675 INFO [stderr] 17 |     pub fn is_valid(&self, data: &[u8]) -> bool {
Dec 04 07:55:43.675 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:55:43.675 INFO [stderr] 
Dec 04 07:55:43.771 INFO [stderr] warning: struct is never constructed: `Proof`
Dec 04 07:55:43.771 INFO [stderr]  --> src/structs/proof.rs:3:1
Dec 04 07:55:43.771 INFO [stderr]   |
Dec 04 07:55:43.771 INFO [stderr] 3 | pub struct Proof<P: PublicId> {
Dec 04 07:55:43.771 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:55:43.771 INFO [stderr]   |
Dec 04 07:55:43.771 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 07:55:43.771 INFO [stderr] 
Dec 04 07:55:43.771 INFO [stderr] warning: method is never used: `public_id`
Dec 04 07:55:43.771 INFO [stderr]  --> src/structs/proof.rs:9:5
Dec 04 07:55:43.771 INFO [stderr]   |
Dec 04 07:55:43.771 INFO [stderr] 9 |     pub fn public_id(&self) -> &P {
Dec 04 07:55:43.771 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:55:43.771 INFO [stderr] 
Dec 04 07:55:43.771 INFO [stderr] warning: method is never used: `signature`
Dec 04 07:55:43.771 INFO [stderr]   --> src/structs/proof.rs:13:5
Dec 04 07:55:43.771 INFO [stderr]    |
Dec 04 07:55:43.771 INFO [stderr] 13 |     pub fn signature(&self) -> &P::Signature {
Dec 04 07:55:43.771 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:55:43.771 INFO [stderr] 
Dec 04 07:55:43.771 INFO [stderr] warning: method is never used: `is_valid`
Dec 04 07:55:43.771 INFO [stderr]   --> src/structs/proof.rs:17:5
Dec 04 07:55:43.771 INFO [stderr]    |
Dec 04 07:55:43.771 INFO [stderr] 17 |     pub fn is_valid(&self, data: &[u8]) -> bool {
Dec 04 07:55:43.771 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:55:43.771 INFO [stderr] 
Dec 04 07:55:43.803 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.70s
Dec 04 07:55:43.803 INFO [stderr] su: No module specific data is present
Dec 04 07:55:44.501 INFO running `"docker" "inspect" "c81d1faeeb6209016fde6c08d2fce39bc97d949f77f7d67cc6df1a42e8e9f9b4"`
Dec 04 07:55:44.859 INFO running `"docker" "rm" "-f" "c81d1faeeb6209016fde6c08d2fce39bc97d949f77f7d67cc6df1a42e8e9f9b4"`
Dec 04 07:55:45.147 INFO [stdout] c81d1faeeb6209016fde6c08d2fce39bc97d949f77f7d67cc6df1a42e8e9f9b4