Dec 18 05:10:39.305 INFO checking ThomasHertleif/cluster-heist against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 05:10:39.305 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/ThomasHertleif/cluster-heist:/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 05:10:39.676 INFO [stdout] 51a5039e84b1414d563d2b9d3c9e4d7b18f74e7d6ff7b8121e057511cc22f30b
Dec 18 05:10:39.682 INFO running `"docker" "start" "-a" "51a5039e84b1414d563d2b9d3c9e4d7b18f74e7d6ff7b8121e057511cc22f30b"`
Dec 18 05:10:40.988 INFO [stderr]     Checking net2 v0.2.32
Dec 18 05:10:40.992 INFO [stderr]     Checking filetime v0.1.15
Dec 18 05:10:40.996 INFO [stderr]     Checking http v0.1.5
Dec 18 05:10:40.996 INFO [stderr]    Compiling serde_derive v1.0.53
Dec 18 05:10:41.910 INFO [stderr]     Checking miow v0.1.5
Dec 18 05:10:42.156 INFO [stderr]     Checking mio v0.5.1
Dec 18 05:10:43.472 INFO [stderr]     Checking notify v4.0.3
Dec 18 05:10:45.037 INFO [stderr]     Checking simple-server v0.3.0
Dec 18 05:10:54.801 INFO [stderr]     Checking cluster-heist v0.1.0 (/opt/crater/workdir)
Dec 18 05:10:55.864 INFO [stderr] warning: unused import: `DirEntry`
Dec 18 05:10:55.864 INFO [stderr]   --> src/main.rs:60:25
Dec 18 05:10:55.864 INFO [stderr]    |
Dec 18 05:10:55.864 INFO [stderr] 60 |     use std::fs::{self, DirEntry};
Dec 18 05:10:55.864 INFO [stderr]    |                         ^^^^^^^^
Dec 18 05:10:55.864 INFO [stderr]    |
Dec 18 05:10:55.864 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 05:10:55.864 INFO [stderr] 
Dec 18 05:10:55.884 INFO [stderr] warning: unused import: `DirEntry`
Dec 18 05:10:55.884 INFO [stderr]   --> src/main.rs:60:25
Dec 18 05:10:55.884 INFO [stderr]    |
Dec 18 05:10:55.884 INFO [stderr] 60 |     use std::fs::{self, DirEntry};
Dec 18 05:10:55.884 INFO [stderr]    |                         ^^^^^^^^
Dec 18 05:10:55.884 INFO [stderr]    |
Dec 18 05:10:55.884 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 05:10:55.884 INFO [stderr] 
Dec 18 05:10:56.068 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:10:56.068 INFO [stderr]   --> src/main.rs:56:5
Dec 18 05:10:56.068 INFO [stderr]    |
Dec 18 05:10:56.068 INFO [stderr] 56 |     t.join();
Dec 18 05:10:56.068 INFO [stderr]    |     ^^^^^^^^^
Dec 18 05:10:56.068 INFO [stderr]    |
Dec 18 05:10:56.068 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 05:10:56.068 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:10:56.068 INFO [stderr] 
Dec 18 05:10:56.092 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:10:56.092 INFO [stderr]   --> src/main.rs:56:5
Dec 18 05:10:56.092 INFO [stderr]    |
Dec 18 05:10:56.092 INFO [stderr] 56 |     t.join();
Dec 18 05:10:56.092 INFO [stderr]    |     ^^^^^^^^^
Dec 18 05:10:56.092 INFO [stderr]    |
Dec 18 05:10:56.092 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 05:10:56.092 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:10:56.092 INFO [stderr] 
Dec 18 05:10:56.154 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.44s
Dec 18 05:10:56.447 INFO running `"docker" "inspect" "51a5039e84b1414d563d2b9d3c9e4d7b18f74e7d6ff7b8121e057511cc22f30b"`
Dec 18 05:10:56.548 INFO running `"docker" "rm" "-f" "51a5039e84b1414d563d2b9d3c9e4d7b18f74e7d6ff7b8121e057511cc22f30b"`
Dec 18 05:10:56.685 INFO [stdout] 51a5039e84b1414d563d2b9d3c9e4d7b18f74e7d6ff7b8121e057511cc22f30b