Dec 19 10:10:26.682 INFO checking richardbrodie/mercury against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:10:26.682 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/richardbrodie/mercury:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 10:10:26.853 INFO [stdout] b56d7788dfbd47a1ca20e08e0bb0d4bec338969325db55764977923987db1c43
Dec 19 10:10:26.855 INFO running `"docker" "start" "-a" "b56d7788dfbd47a1ca20e08e0bb0d4bec338969325db55764977923987db1c43"`
Dec 19 10:10:27.474 INFO [stderr]     Checking serde_yaml v0.8.7
Dec 19 10:10:27.474 INFO [stderr]    Compiling synstructure v0.10.1
Dec 19 10:10:27.474 INFO [stderr]     Checking regex v1.0.5
Dec 19 10:10:30.340 INFO [stderr]    Compiling failure_derive v0.1.3
Dec 19 10:10:30.360 INFO [stderr]     Checking env_logger v0.5.13
Dec 19 10:10:31.445 INFO [stderr]     Checking pretty_env_logger v0.2.4
Dec 19 10:10:32.430 INFO [stderr]     Checking failure v0.1.3
Dec 19 10:10:32.946 INFO [stderr]     Checking dotenv v0.13.0
Dec 19 10:10:33.434 INFO [stderr]     Checking mercury v0.1.0 (/opt/crater/workdir)
Dec 19 10:10:34.097 INFO [stderr] warning: unused import: `std::env`
Dec 19 10:10:34.097 INFO [stderr]  --> src/types.rs:2:5
Dec 19 10:10:34.097 INFO [stderr]   |
Dec 19 10:10:34.097 INFO [stderr] 2 | use std::env;
Dec 19 10:10:34.097 INFO [stderr]   |     ^^^^^^^^
Dec 19 10:10:34.097 INFO [stderr]   |
Dec 19 10:10:34.097 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 10:10:34.097 INFO [stderr] 
Dec 19 10:10:34.097 INFO [stderr] warning: unused import: `File`
Dec 19 10:10:34.097 INFO [stderr]  --> src/types.rs:3:21
Dec 19 10:10:34.097 INFO [stderr]   |
Dec 19 10:10:34.097 INFO [stderr] 3 | use std::fs::{self, File};
Dec 19 10:10:34.097 INFO [stderr]   |                     ^^^^
Dec 19 10:10:34.097 INFO [stderr] 
Dec 19 10:10:34.101 INFO [stderr] warning: unused import: `std::env`
Dec 19 10:10:34.101 INFO [stderr]  --> src/types.rs:2:5
Dec 19 10:10:34.101 INFO [stderr]   |
Dec 19 10:10:34.101 INFO [stderr] 2 | use std::env;
Dec 19 10:10:34.101 INFO [stderr]   |     ^^^^^^^^
Dec 19 10:10:34.101 INFO [stderr]   |
Dec 19 10:10:34.101 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 10:10:34.101 INFO [stderr] 
Dec 19 10:10:34.101 INFO [stderr] warning: unused import: `File`
Dec 19 10:10:34.101 INFO [stderr]  --> src/types.rs:3:21
Dec 19 10:10:34.101 INFO [stderr]   |
Dec 19 10:10:34.101 INFO [stderr] 3 | use std::fs::{self, File};
Dec 19 10:10:34.101 INFO [stderr]   |                     ^^^^
Dec 19 10:10:34.101 INFO [stderr] 
Dec 19 10:10:34.290 INFO [stderr] warning: struct is never constructed: `Feed`
Dec 19 10:10:34.291 INFO [stderr]  --> src/types.rs:6:1
Dec 19 10:10:34.291 INFO [stderr]   |
Dec 19 10:10:34.291 INFO [stderr] 6 | pub struct Feed {
Dec 19 10:10:34.291 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 19 10:10:34.291 INFO [stderr]   |
Dec 19 10:10:34.291 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 10:10:34.291 INFO [stderr] 
Dec 19 10:10:34.291 INFO [stderr] warning: struct is never constructed: `Item`
Dec 19 10:10:34.291 INFO [stderr]   --> src/types.rs:10:1
Dec 19 10:10:34.291 INFO [stderr]    |
Dec 19 10:10:34.291 INFO [stderr] 10 | pub struct Item {
Dec 19 10:10:34.291 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 19 10:10:34.291 INFO [stderr] 
Dec 19 10:10:34.296 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:10:34.296 INFO [stderr]   --> src/types.rs:29:13
Dec 19 10:10:34.296 INFO [stderr]    |
Dec 19 10:10:34.296 INFO [stderr] 29 |             fs::create_dir(&self.feed_path);
Dec 19 10:10:34.296 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:10:34.296 INFO [stderr] warning: struct is never constructed: `Feed`
Dec 19 10:10:34.296 INFO [stderr]  --> src/types.rs:6:1
Dec 19 10:10:34.296 INFO [stderr]   |
Dec 19 10:10:34.296 INFO [stderr] 6 | pub struct Feed {
Dec 19 10:10:34.296 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 19 10:10:34.296 INFO [stderr]   |
Dec 19 10:10:34.296 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 10:10:34.296 INFO [stderr] 
Dec 19 10:10:34.296 INFO [stderr] warning: struct is never constructed: `Item`
Dec 19 10:10:34.296 INFO [stderr]   --> src/types.rs:10:1
Dec 19 10:10:34.296 INFO [stderr]    |
Dec 19 10:10:34.296 INFO [stderr] 10 | pub struct Item {
Dec 19 10:10:34.296 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 19 10:10:34.296 INFO [stderr] 
Dec 19 10:10:34.296 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:10:34.296 INFO [stderr]   --> src/types.rs:29:13
Dec 19 10:10:34.296 INFO [stderr]    |
Dec 19 10:10:34.296 INFO [stderr] 29 |             fs::create_dir(&self.feed_path);
Dec 19 10:10:34.296 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:10:34.296 INFO [stderr]    |
Dec 19 10:10:34.296 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 10:10:34.296 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:10:34.296 INFO [stderr] 
Dec 19 10:10:34.297 INFO [stderr]    |
Dec 19 10:10:34.297 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 10:10:34.297 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:10:34.297 INFO [stderr] 
Dec 19 10:10:34.392 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.05s
Dec 19 10:10:35.406 INFO running `"docker" "inspect" "b56d7788dfbd47a1ca20e08e0bb0d4bec338969325db55764977923987db1c43"`
Dec 19 10:10:35.758 INFO running `"docker" "rm" "-f" "b56d7788dfbd47a1ca20e08e0bb0d4bec338969325db55764977923987db1c43"`
Dec 19 10:10:36.100 INFO [stdout] b56d7788dfbd47a1ca20e08e0bb0d4bec338969325db55764977923987db1c43