[INFO] updating cached repository https://github.com/badboy/redis-zrangescore-example
[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] abad98290532d88cda71b3da3057757ca31551f4
[INFO] checking badboy/redis-zrangescore-example against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbadboy%2Fredis-zrangescore-example" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/badboy/redis-zrangescore-example on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/badboy/redis-zrangescore-example
[INFO] finished tweaking git repo https://github.com/badboy/redis-zrangescore-example
[INFO] tweaked toml for git repo https://github.com/badboy/redis-zrangescore-example written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/badboy/redis-zrangescore-example already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/mitsuhiko/redis-rs/`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d9f2507402199c3de93e81c867270b1441cea8ade99c2234e88aeec41614276c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "d9f2507402199c3de93e81c867270b1441cea8ade99c2234e88aeec41614276c"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking redis-zrangescore-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/main.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let client = try!(redis::Client::open("redis://127.0.0.1/"));
[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/main.rs:9:15
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let con = try!(client.get_connection());
[INFO] [stderr]   |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let _ : () = try!(con.del("myzset"));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let _ : () = try!(con.zadd("myzset", "one", 1));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:13:18
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let _ : () = try!(con.zadd("myzset", "two", 2));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let _ : () = try!(con.zadd("myzset", "three", 3));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:16:30
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let zset : Vec<String> = try!(con.zrangebyscore_withscores("myzset", 0, 3));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:19:36
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let zset : Vec<(String,u32)> = try!(con.zrangebyscore_withscores("myzset", 0, 3));
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:28:30
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let zset : Vec<String> = try!(con.zrangebyscore_withscores("non-existent-set", 0, 3));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `con` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> src/main.rs:11:23
[INFO] [stderr]    |
[INFO] [stderr] 9  |     let con = try!(client.get_connection());
[INFO] [stderr]    |         --- help: consider changing this to be mutable: `mut con`
[INFO] [stderr] 10 |     // throw away the result, just make sure it does not fail
[INFO] [stderr] 11 |     let _ : () = try!(con.del("myzset"));
[INFO] [stderr]    |                       ^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `con` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> src/main.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 9  |     let con = try!(client.get_connection());
[INFO] [stderr]    |         --- help: consider changing this to be mutable: `mut con`
[INFO] [stderr] ...
[INFO] [stderr] 12 |     let _ : () = try!(con.zadd("myzset", "one", 1));
[INFO] [stderr]    |                       ^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `con` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> src/main.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 9  |     let con = try!(client.get_connection());
[INFO] [stderr]    |         --- help: consider changing this to be mutable: `mut con`
[INFO] [stderr] ...
[INFO] [stderr] 13 |     let _ : () = try!(con.zadd("myzset", "two", 2));
[INFO] [stderr]    |                       ^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `con` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> src/main.rs:14:23
[INFO] [stderr]    |
[INFO] [stderr] 9  |     let con = try!(client.get_connection());
[INFO] [stderr]    |         --- help: consider changing this to be mutable: `mut con`
[INFO] [stderr] ...
[INFO] [stderr] 14 |     let _ : () = try!(con.zadd("myzset", "three", 3));
[INFO] [stderr]    |                       ^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `con` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> src/main.rs:16:35
[INFO] [stderr]    |
[INFO] [stderr] 9  |     let con = try!(client.get_connection());
[INFO] [stderr]    |         --- help: consider changing this to be mutable: `mut con`
[INFO] [stderr] ...
[INFO] [stderr] 16 |     let zset : Vec<String> = try!(con.zrangebyscore_withscores("myzset", 0, 3));
[INFO] [stderr]    |                                   ^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `con` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> src/main.rs:19:41
[INFO] [stderr]    |
[INFO] [stderr] 9  |     let con = try!(client.get_connection());
[INFO] [stderr]    |         --- help: consider changing this to be mutable: `mut con`
[INFO] [stderr] ...
[INFO] [stderr] 19 |     let zset : Vec<(String,u32)> = try!(con.zrangebyscore_withscores("myzset", 0, 3));
[INFO] [stderr]    |                                         ^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `con` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> src/main.rs:22:49
[INFO] [stderr]    |
[INFO] [stderr] 9  |     let con = try!(client.get_connection());
[INFO] [stderr]    |         --- help: consider changing this to be mutable: `mut con`
[INFO] [stderr] ...
[INFO] [stderr] 22 |     let res : redis::RedisResult<Vec<String>> = con.zrangebyscore_withscores("myzset", 0, 3);
[INFO] [stderr]    |                                                 ^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `con` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> src/main.rs:28:35
[INFO] [stderr]    |
[INFO] [stderr] 9  |     let con = try!(client.get_connection());
[INFO] [stderr]    |         --- help: consider changing this to be mutable: `mut con`
[INFO] [stderr] ...
[INFO] [stderr] 28 |     let zset : Vec<String> = try!(con.zrangebyscore_withscores("non-existent-set", 0, 3));
[INFO] [stderr]    |                                   ^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/main.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let client = try!(redis::Client::open("redis://127.0.0.1/"));
[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/main.rs:9:15
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let con = try!(client.get_connection());
[INFO] [stderr]   |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let _ : () = try!(con.del("myzset"));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let _ : () = try!(con.zadd("myzset", "one", 1));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:13:18
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let _ : () = try!(con.zadd("myzset", "two", 2));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let _ : () = try!(con.zadd("myzset", "three", 3));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:16:30
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let zset : Vec<String> = try!(con.zrangebyscore_withscores("myzset", 0, 3));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:19:36
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let zset : Vec<(String,u32)> = try!(con.zrangebyscore_withscores("myzset", 0, 3));
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:28:30
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let zset : Vec<String> = try!(con.zrangebyscore_withscores("non-existent-set", 0, 3));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0596`.
[INFO] [stderr] error: could not compile `redis-zrangescore-example`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0596]: cannot borrow `con` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> src/main.rs:11:23
[INFO] [stderr]    |
[INFO] [stderr] 9  |     let con = try!(client.get_connection());
[INFO] [stderr]    |         --- help: consider changing this to be mutable: `mut con`
[INFO] [stderr] 10 |     // throw away the result, just make sure it does not fail
[INFO] [stderr] 11 |     let _ : () = try!(con.del("myzset"));
[INFO] [stderr]    |                       ^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `con` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> src/main.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 9  |     let con = try!(client.get_connection());
[INFO] [stderr]    |         --- help: consider changing this to be mutable: `mut con`
[INFO] [stderr] ...
[INFO] [stderr] 12 |     let _ : () = try!(con.zadd("myzset", "one", 1));
[INFO] [stderr]    |                       ^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `con` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> src/main.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 9  |     let con = try!(client.get_connection());
[INFO] [stderr]    |         --- help: consider changing this to be mutable: `mut con`
[INFO] [stderr] ...
[INFO] [stderr] 13 |     let _ : () = try!(con.zadd("myzset", "two", 2));
[INFO] [stderr]    |                       ^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `con` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> src/main.rs:14:23
[INFO] [stderr]    |
[INFO] [stderr] 9  |     let con = try!(client.get_connection());
[INFO] [stderr]    |         --- help: consider changing this to be mutable: `mut con`
[INFO] [stderr] ...
[INFO] [stderr] 14 |     let _ : () = try!(con.zadd("myzset", "three", 3));
[INFO] [stderr]    |                       ^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `con` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> src/main.rs:16:35
[INFO] [stderr]    |
[INFO] [stderr] 9  |     let con = try!(client.get_connection());
[INFO] [stderr]    |         --- help: consider changing this to be mutable: `mut con`
[INFO] [stderr] ...
[INFO] [stderr] 16 |     let zset : Vec<String> = try!(con.zrangebyscore_withscores("myzset", 0, 3));
[INFO] [stderr]    |                                   ^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `con` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> src/main.rs:19:41
[INFO] [stderr]    |
[INFO] [stderr] 9  |     let con = try!(client.get_connection());
[INFO] [stderr]    |         --- help: consider changing this to be mutable: `mut con`
[INFO] [stderr] ...
[INFO] [stderr] 19 |     let zset : Vec<(String,u32)> = try!(con.zrangebyscore_withscores("myzset", 0, 3));
[INFO] [stderr]    |                                         ^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `con` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> src/main.rs:22:49
[INFO] [stderr]    |
[INFO] [stderr] 9  |     let con = try!(client.get_connection());
[INFO] [stderr]    |         --- help: consider changing this to be mutable: `mut con`
[INFO] [stderr] ...
[INFO] [stderr] 22 |     let res : redis::RedisResult<Vec<String>> = con.zrangebyscore_withscores("myzset", 0, 3);
[INFO] [stderr]    |                                                 ^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `con` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> src/main.rs:28:35
[INFO] [stderr]    |
[INFO] [stderr] 9  |     let con = try!(client.get_connection());
[INFO] [stderr]    |         --- help: consider changing this to be mutable: `mut con`
[INFO] [stderr] ...
[INFO] [stderr] 28 |     let zset : Vec<String> = try!(con.zrangebyscore_withscores("non-existent-set", 0, 3));
[INFO] [stderr]    |                                   ^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0596`.
[INFO] [stderr] error: could not compile `redis-zrangescore-example`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d9f2507402199c3de93e81c867270b1441cea8ade99c2234e88aeec41614276c"`
[INFO] running `"docker" "rm" "-f" "d9f2507402199c3de93e81c867270b1441cea8ade99c2234e88aeec41614276c"`
[INFO] [stdout] d9f2507402199c3de93e81c867270b1441cea8ade99c2234e88aeec41614276c
