Dec 17 21:20:44.688 INFO checking klardotsh/souls against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 21:20:44.688 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/klardotsh/souls:/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 17 21:20:45.038 INFO [stdout] 071c9b31f88d4475e2fc97a12709f34cc82984c3f599c59116e615b1351060c2
Dec 17 21:20:45.040 INFO running `"docker" "start" "-a" "071c9b31f88d4475e2fc97a12709f34cc82984c3f599c59116e615b1351060c2"`
Dec 17 21:20:47.297 INFO [stderr] warning: Package `toml v0.3.1` does not have feature `serde`. It has a required dependency with that name, but only optional dependencies can be used as features. This is currently a warning to ease the transition, but it will become an error in the future.
Dec 17 21:20:47.358 INFO [stderr]     Checking filetime v0.1.10
Dec 17 21:20:47.358 INFO [stderr]     Checking xattr v0.1.11
Dec 17 21:20:47.368 INFO [stderr]     Checking inotify v0.3.0
Dec 17 21:20:47.374 INFO [stderr]     Checking net2 v0.2.27
Dec 17 21:20:47.374 INFO [stderr]     Checking nix v0.5.1
Dec 17 21:20:47.374 INFO [stderr]     Checking sha1 v0.1.1
Dec 17 21:20:47.377 INFO [stderr]     Checking base64 v0.4.1
Dec 17 21:20:47.377 INFO [stderr]     Checking toml v0.3.1
Dec 17 21:20:48.689 INFO [stderr]    Compiling syn v0.11.9
Dec 17 21:20:48.758 INFO [stderr]     Checking redis v0.5.4
Dec 17 21:20:48.849 INFO [stderr]     Checking chrono v0.3.0
Dec 17 21:20:49.077 INFO [stderr]     Checking tar v0.4.11
Dec 17 21:20:49.686 INFO [stderr]     Checking miow v0.1.5
Dec 17 21:20:55.444 INFO [stderr]     Checking mio v0.5.1
Dec 17 21:20:57.007 INFO [stderr]     Checking notify v4.0.1
Dec 17 21:20:57.953 INFO [stderr]    Compiling serde_codegen_internals v0.14.2
Dec 17 21:21:00.357 INFO [stderr]    Compiling serde_derive v0.9.12
Dec 17 21:21:06.078 INFO [stderr]     Checking souls v0.1.0 (/opt/crater/workdir)
Dec 17 21:21:09.188 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 21:21:09.188 INFO [stderr]   --> src/bin/harvester.rs:91:61
Dec 17 21:21:09.188 INFO [stderr]    |
Dec 17 21:21:09.188 INFO [stderr] 91 |                 println!("Error watching {}: {}", r.name, e.cause().unwrap());
Dec 17 21:21:09.188 INFO [stderr]    |                                                             ^^^^^
Dec 17 21:21:09.188 INFO [stderr]    |
Dec 17 21:21:09.188 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 21:21:09.188 INFO [stderr] 
Dec 17 21:21:09.240 INFO [stderr] warning: unused variable: `result`
Dec 17 21:21:09.240 INFO [stderr]   --> src/bin/harvester.rs:70:9
Dec 17 21:21:09.240 INFO [stderr]    |
Dec 17 21:21:09.240 INFO [stderr] 70 |     let result: Result<usize, redis::RedisError> = redis_con.rpush("backlog", buf);
Dec 17 21:21:09.240 INFO [stderr]    |         ^^^^^^ help: consider using `_result` instead
Dec 17 21:21:09.240 INFO [stderr]    |
Dec 17 21:21:09.240 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 21:21:09.240 INFO [stderr] 
Dec 17 21:21:09.256 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 21:21:09.256 INFO [stderr]   --> src/bin/harvester.rs:91:61
Dec 17 21:21:09.256 INFO [stderr]    |
Dec 17 21:21:09.256 INFO [stderr] 91 |                 println!("Error watching {}: {}", r.name, e.cause().unwrap());
Dec 17 21:21:09.256 INFO [stderr]    |                                                             ^^^^^
Dec 17 21:21:09.256 INFO [stderr]    |
Dec 17 21:21:09.256 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 21:21:09.256 INFO [stderr] 
Dec 17 21:21:09.317 INFO [stderr] warning: unused variable: `result`
Dec 17 21:21:09.317 INFO [stderr]   --> src/bin/harvester.rs:70:9
Dec 17 21:21:09.317 INFO [stderr]    |
Dec 17 21:21:09.317 INFO [stderr] 70 |     let result: Result<usize, redis::RedisError> = redis_con.rpush("backlog", buf);
Dec 17 21:21:09.317 INFO [stderr]    |         ^^^^^^ help: consider using `_result` instead
Dec 17 21:21:09.317 INFO [stderr]    |
Dec 17 21:21:09.317 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 21:21:09.317 INFO [stderr] 
Dec 17 21:21:09.331 INFO [stderr] warning: variable does not need to be mutable
Dec 17 21:21:09.331 INFO [stderr]   --> src/bin/harvester.rs:73:23
Dec 17 21:21:09.331 INFO [stderr]    |
Dec 17 21:21:09.331 INFO [stderr] 73 | fn on_updated_package(mut path: &mut PathBuf, mapping: &HarvestMapping) {
Dec 17 21:21:09.331 INFO [stderr]    |                       ----^^^^
Dec 17 21:21:09.331 INFO [stderr]    |                       |
Dec 17 21:21:09.331 INFO [stderr]    |                       help: remove this `mut`
Dec 17 21:21:09.331 INFO [stderr]    |
Dec 17 21:21:09.331 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 21:21:09.331 INFO [stderr] 
Dec 17 21:21:09.368 INFO [stderr] warning: variable does not need to be mutable
Dec 17 21:21:09.368 INFO [stderr]   --> src/bin/harvester.rs:73:23
Dec 17 21:21:09.368 INFO [stderr]    |
Dec 17 21:21:09.368 INFO [stderr] 73 | fn on_updated_package(mut path: &mut PathBuf, mapping: &HarvestMapping) {
Dec 17 21:21:09.368 INFO [stderr]    |                       ----^^^^
Dec 17 21:21:09.368 INFO [stderr]    |                       |
Dec 17 21:21:09.368 INFO [stderr]    |                       help: remove this `mut`
Dec 17 21:21:09.368 INFO [stderr]    |
Dec 17 21:21:09.368 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 21:21:09.368 INFO [stderr] 
Dec 17 21:21:09.437 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.20s
Dec 17 21:21:10.082 INFO running `"docker" "inspect" "071c9b31f88d4475e2fc97a12709f34cc82984c3f599c59116e615b1351060c2"`
Dec 17 21:21:10.289 INFO running `"docker" "rm" "-f" "071c9b31f88d4475e2fc97a12709f34cc82984c3f599c59116e615b1351060c2"`
Dec 17 21:21:10.467 INFO [stdout] 071c9b31f88d4475e2fc97a12709f34cc82984c3f599c59116e615b1351060c2