Dec 18 01:55:04.410 INFO checking dadrian/rust-ziterate against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 01:55:04.410 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/dadrian/rust-ziterate:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 01:55:04.609 INFO [stdout] ca4f5c53ce42cb60940d3167f5a1d4a889928ff153f3afac1ae9c559fa294d40
Dec 18 01:55:04.613 INFO running `"docker" "start" "-a" "ca4f5c53ce42cb60940d3167f5a1d4a889928ff153f3afac1ae9c559fa294d40"`
Dec 18 01:55:05.164 INFO [stderr]     Checking rust-ziterate v0.0.1 (/opt/crater/workdir)
Dec 18 01:55:05.384 INFO [stderr] warning: unused variable: `e`
Dec 18 01:55:05.386 INFO [stderr]   --> src/lib.rs:19:10
Dec 18 01:55:05.386 INFO [stderr]    |
Dec 18 01:55:05.386 INFO [stderr] 19 | fn order(e: u32, p: u64) -> u64 {
Dec 18 01:55:05.386 INFO [stderr]    |          ^ help: consider using `_e` instead
Dec 18 01:55:05.386 INFO [stderr]    |
Dec 18 01:55:05.386 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 01:55:05.386 INFO [stderr] 
Dec 18 01:55:05.386 INFO [stderr] warning: unused variable: `candidate`
Dec 18 01:55:05.386 INFO [stderr]   --> src/lib.rs:27:13
Dec 18 01:55:05.386 INFO [stderr]    |
Dec 18 01:55:05.386 INFO [stderr] 27 | fn is_prime(candidate: u64) -> bool {
Dec 18 01:55:05.386 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_candidate` instead
Dec 18 01:55:05.386 INFO [stderr] 
Dec 18 01:55:05.386 INFO [stderr] warning: field is never used: `g`
Dec 18 01:55:05.386 INFO [stderr]  --> src/lib.rs:6:5
Dec 18 01:55:05.386 INFO [stderr]   |
Dec 18 01:55:05.386 INFO [stderr] 6 |     g: u32,
Dec 18 01:55:05.386 INFO [stderr]   |     ^^^^^^
Dec 18 01:55:05.386 INFO [stderr]   |
Dec 18 01:55:05.386 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 01:55:05.386 INFO [stderr] 
Dec 18 01:55:05.386 INFO [stderr] warning: field is never used: `p`
Dec 18 01:55:05.386 INFO [stderr]  --> src/lib.rs:7:5
Dec 18 01:55:05.386 INFO [stderr]   |
Dec 18 01:55:05.386 INFO [stderr] 7 |     p: u64,
Dec 18 01:55:05.386 INFO [stderr]   |     ^^^^^^
Dec 18 01:55:05.386 INFO [stderr] 
Dec 18 01:55:05.386 INFO [stderr] warning: field is never used: `start`
Dec 18 01:55:05.386 INFO [stderr]   --> src/lib.rs:11:5
Dec 18 01:55:05.386 INFO [stderr]    |
Dec 18 01:55:05.386 INFO [stderr] 11 |     start: u64,
Dec 18 01:55:05.386 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 01:55:05.386 INFO [stderr] 
Dec 18 01:55:05.386 INFO [stderr] warning: function is never used: `order`
Dec 18 01:55:05.386 INFO [stderr]   --> src/lib.rs:19:1
Dec 18 01:55:05.386 INFO [stderr]    |
Dec 18 01:55:05.386 INFO [stderr] 19 | fn order(e: u32, p: u64) -> u64 {
Dec 18 01:55:05.386 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:55:05.386 INFO [stderr] 
Dec 18 01:55:05.386 INFO [stderr] warning: function is never used: `is_generator`
Dec 18 01:55:05.386 INFO [stderr]   --> src/lib.rs:23:1
Dec 18 01:55:05.386 INFO [stderr]    |
Dec 18 01:55:05.386 INFO [stderr] 23 | fn is_generator(e: u32, p: u64) -> bool {
Dec 18 01:55:05.386 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:55:05.386 INFO [stderr] 
Dec 18 01:55:05.386 INFO [stderr] warning: function is never used: `is_prime`
Dec 18 01:55:05.386 INFO [stderr]   --> src/lib.rs:27:1
Dec 18 01:55:05.386 INFO [stderr]    |
Dec 18 01:55:05.386 INFO [stderr] 27 | fn is_prime(candidate: u64) -> bool {
Dec 18 01:55:05.386 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:55:05.386 INFO [stderr] 
Dec 18 01:55:05.386 INFO [stderr] warning: method is never used: `validate`
Dec 18 01:55:05.386 INFO [stderr]   --> src/lib.rs:32:5
Dec 18 01:55:05.387 INFO [stderr]    |
Dec 18 01:55:05.387 INFO [stderr] 32 |     fn validate(&self) -> bool {
Dec 18 01:55:05.387 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:55:05.387 INFO [stderr] 
Dec 18 01:55:05.387 INFO [stderr] warning: method is never used: `new`
Dec 18 01:55:05.387 INFO [stderr]   --> src/lib.rs:49:5
Dec 18 01:55:05.387 INFO [stderr]    |
Dec 18 01:55:05.387 INFO [stderr] 49 |     fn new(group: Group, start: u32, end: u64) -> Result<Cycle, &'static str> {
Dec 18 01:55:05.387 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:55:05.387 INFO [stderr] 
Dec 18 01:55:05.420 INFO [stderr] warning: unused variable: `e`
Dec 18 01:55:05.420 INFO [stderr]   --> src/lib.rs:19:10
Dec 18 01:55:05.420 INFO [stderr]    |
Dec 18 01:55:05.420 INFO [stderr] 19 | fn order(e: u32, p: u64) -> u64 {
Dec 18 01:55:05.420 INFO [stderr]    |          ^ help: consider using `_e` instead
Dec 18 01:55:05.420 INFO [stderr]    |
Dec 18 01:55:05.420 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 01:55:05.420 INFO [stderr] 
Dec 18 01:55:05.420 INFO [stderr] warning: unused variable: `candidate`
Dec 18 01:55:05.420 INFO [stderr]   --> src/lib.rs:27:13
Dec 18 01:55:05.420 INFO [stderr]    |
Dec 18 01:55:05.420 INFO [stderr] 27 | fn is_prime(candidate: u64) -> bool {
Dec 18 01:55:05.420 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_candidate` instead
Dec 18 01:55:05.420 INFO [stderr] 
Dec 18 01:55:05.432 INFO [stderr] warning: field is never used: `start`
Dec 18 01:55:05.432 INFO [stderr]   --> src/lib.rs:11:5
Dec 18 01:55:05.432 INFO [stderr]    |
Dec 18 01:55:05.432 INFO [stderr] 11 |     start: u64,
Dec 18 01:55:05.432 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 01:55:05.432 INFO [stderr]    |
Dec 18 01:55:05.432 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 01:55:05.432 INFO [stderr] 
Dec 18 01:55:05.432 INFO [stderr] warning: function is never used: `is_generator`
Dec 18 01:55:05.432 INFO [stderr]   --> src/lib.rs:23:1
Dec 18 01:55:05.432 INFO [stderr]    |
Dec 18 01:55:05.432 INFO [stderr] 23 | fn is_generator(e: u32, p: u64) -> bool {
Dec 18 01:55:05.432 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:55:05.432 INFO [stderr] 
Dec 18 01:55:05.432 INFO [stderr] warning: method is never used: `validate`
Dec 18 01:55:05.432 INFO [stderr]   --> src/lib.rs:32:5
Dec 18 01:55:05.432 INFO [stderr]    |
Dec 18 01:55:05.432 INFO [stderr] 32 |     fn validate(&self) -> bool {
Dec 18 01:55:05.432 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:55:05.432 INFO [stderr] 
Dec 18 01:55:05.432 INFO [stderr] warning: method is never used: `new`
Dec 18 01:55:05.432 INFO [stderr]   --> src/lib.rs:49:5
Dec 18 01:55:05.432 INFO [stderr]    |
Dec 18 01:55:05.432 INFO [stderr] 49 |     fn new(group: Group, start: u32, end: u64) -> Result<Cycle, &'static str> {
Dec 18 01:55:05.432 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:55:05.432 INFO [stderr] 
Dec 18 01:55:05.868 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 18 01:55:06.160 INFO running `"docker" "inspect" "ca4f5c53ce42cb60940d3167f5a1d4a889928ff153f3afac1ae9c559fa294d40"`
Dec 18 01:55:06.230 INFO running `"docker" "rm" "-f" "ca4f5c53ce42cb60940d3167f5a1d4a889928ff153f3afac1ae9c559fa294d40"`
Dec 18 01:55:06.320 INFO [stdout] ca4f5c53ce42cb60940d3167f5a1d4a889928ff153f3afac1ae9c559fa294d40