[INFO] updating cached repository https://github.com/stanipintjuk/prime_sieve
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e7e279c6f6f3b278cda2a4f4a9f78c5112fb33bb
[INFO] checking stanipintjuk/prime_sieve against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstanipintjuk%2Fprime_sieve" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stanipintjuk/prime_sieve on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/stanipintjuk/prime_sieve
[INFO] finished tweaking git repo https://github.com/stanipintjuk/prime_sieve
[INFO] tweaked toml for git repo https://github.com/stanipintjuk/prime_sieve written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/stanipintjuk/prime_sieve already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 2e266b9cd9015f7b7a221b9682d4a61bab6e6ad9892fd923edd8621bb2b41c2f
[INFO] running `"docker" "start" "-a" "2e266b9cd9015f7b7a221b9682d4a61bab6e6ad9892fd923edd8621bb2b41c2f"`
[INFO] [stderr]     Checking prime_sieve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fs/fs.rs:55:16
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let file = try!(File::open(file_name));
[INFO] [stderr]    |                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fs/fs.rs:68:19
[INFO] [stderr]    |
[INFO] [stderr] 68 |         Err(_) => try!(File::create(fname)),
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fs/fs.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         try!(file.write_all(&serialize_u64(p)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sieve/math/math.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |         if try!(is_coprime_to_list(p as u64, init_primes)) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sieve/math/math.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |         if try!(is_coprime_to_list(p, primes_page)) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sieve/pool.rs:31:19
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let max = try!(math::best_max_for_sieve(last_prime, self.max_ppt as u64));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:19:28
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut primes_pager = try!(fs::load_primes(fname));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:22:30
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let mut candidates = try!(thread_pool.find_candidates(init_primes));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 |             candidates = try!(thread_pool.sieve(page, candidates));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `part`
[INFO] [stderr]    --> src/sieve/pool.rs:100:14
[INFO] [stderr]     |
[INFO] [stderr] 100 |         for (part, thread) in threadparts {}
[INFO] [stderr]     |              ^^^^ help: consider prefixing with an underscore: `_part`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `thread`
[INFO] [stderr]    --> src/sieve/pool.rs:100:20
[INFO] [stderr]     |
[INFO] [stderr] 100 |         for (part, thread) in threadparts {}
[INFO] [stderr]     |                    ^^^^^^ help: consider prefixing with an underscore: `_thread`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prime_page`
[INFO] [stderr]   --> src/sieve/pool.rs:94:18
[INFO] [stderr]    |
[INFO] [stderr] 94 |                  prime_page: Vec<u64>,
[INFO] [stderr]    |                  ^^^^^^^^^^ help: consider prefixing with an underscore: `_prime_page`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fs/fs.rs:55:16
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let file = try!(File::open(file_name));
[INFO] [stderr]    |                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fs/fs.rs:68:19
[INFO] [stderr]    |
[INFO] [stderr] 68 |         Err(_) => try!(File::create(fname)),
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fs/fs.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         try!(file.write_all(&serialize_u64(p)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sieve/math/math.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |         if try!(is_coprime_to_list(p as u64, init_primes)) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sieve/math/math.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |         if try!(is_coprime_to_list(p, primes_page)) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sieve/pool.rs:31:19
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let max = try!(math::best_max_for_sieve(last_prime, self.max_ppt as u64));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:19:28
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut primes_pager = try!(fs::load_primes(fname));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:22:30
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let mut candidates = try!(thread_pool.find_candidates(init_primes));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 |             candidates = try!(thread_pool.sieve(page, candidates));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `stop`
[INFO] [stderr]    --> src/sieve/pool.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn stop(&self) -> Result<(), ThreadPoolError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sieve`
[INFO] [stderr]   --> src/sieve/worker.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Sieve(ArcVec, ArcVec),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Stop`
[INFO] [stderr]   --> src/sieve/worker.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Stop,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ok`
[INFO] [stderr]   --> src/sieve/worker.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Ok,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `part`
[INFO] [stderr]    --> src/sieve/pool.rs:100:14
[INFO] [stderr]     |
[INFO] [stderr] 100 |         for (part, thread) in threadparts {}
[INFO] [stderr]     |              ^^^^ help: consider prefixing with an underscore: `_part`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `thread`
[INFO] [stderr]    --> src/sieve/pool.rs:100:20
[INFO] [stderr]     |
[INFO] [stderr] 100 |         for (part, thread) in threadparts {}
[INFO] [stderr]     |                    ^^^^^^ help: consider prefixing with an underscore: `_thread`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prime_page`
[INFO] [stderr]   --> src/sieve/pool.rs:94:18
[INFO] [stderr]    |
[INFO] [stderr] 94 |                  prime_page: Vec<u64>,
[INFO] [stderr]    |                  ^^^^^^^^^^ help: consider prefixing with an underscore: `_prime_page`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `stop`
[INFO] [stderr]    --> src/sieve/pool.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn stop(&self) -> Result<(), ThreadPoolError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sieve`
[INFO] [stderr]   --> src/sieve/worker.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Sieve(ArcVec, ArcVec),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Stop`
[INFO] [stderr]   --> src/sieve/worker.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Stop,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ok`
[INFO] [stderr]   --> src/sieve/worker.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Ok,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "2e266b9cd9015f7b7a221b9682d4a61bab6e6ad9892fd923edd8621bb2b41c2f"`
[INFO] running `"docker" "rm" "-f" "2e266b9cd9015f7b7a221b9682d4a61bab6e6ad9892fd923edd8621bb2b41c2f"`
[INFO] [stdout] 2e266b9cd9015f7b7a221b9682d4a61bab6e6ad9892fd923edd8621bb2b41c2f