Dec 11 11:01:49.714 INFO checking richardbrodie/mercury against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 11:01:49.714 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 11:01:49.948 INFO [stdout] 7fffb222baf24882463adbe0c2b1156a8d4854b3c1fdcbfd8a4c2689dce1d5eb
Dec 11 11:01:49.949 INFO running `"docker" "start" "-a" "7fffb222baf24882463adbe0c2b1156a8d4854b3c1fdcbfd8a4c2689dce1d5eb"`
Dec 11 11:01:50.416 INFO [stderr] usermod: no changes
Dec 11 11:01:50.575 INFO [stderr]    Compiling syn v0.15.15
Dec 11 11:01:50.576 INFO [stderr]     Checking env_logger v0.5.13
Dec 11 11:01:51.410 INFO [stderr]     Checking pretty_env_logger v0.2.4
Dec 11 11:02:02.708 INFO [stderr]    Compiling synstructure v0.10.1
Dec 11 11:02:02.709 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 11 11:02:08.096 INFO [stderr]    Compiling failure_derive v0.1.3
Dec 11 11:02:11.196 INFO [stderr]     Checking failure v0.1.3
Dec 11 11:02:12.002 INFO [stderr]     Checking dotenv v0.13.0
Dec 11 11:02:23.552 INFO [stderr]     Checking mercury v0.1.0 (/source)
Dec 11 11:02:24.796 INFO [stderr] warning: unused import: `std::env`
Dec 11 11:02:24.796 INFO [stderr]  --> src/types.rs:2:5
Dec 11 11:02:24.796 INFO [stderr]   |
Dec 11 11:02:24.796 INFO [stderr] 2 | use std::env;
Dec 11 11:02:24.796 INFO [stderr]   |     ^^^^^^^^
Dec 11 11:02:24.796 INFO [stderr]   |
Dec 11 11:02:24.796 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 11:02:24.796 INFO [stderr] 
Dec 11 11:02:24.796 INFO [stderr] warning: unused import: `File`
Dec 11 11:02:24.796 INFO [stderr]  --> src/types.rs:3:21
Dec 11 11:02:24.796 INFO [stderr]   |
Dec 11 11:02:24.796 INFO [stderr] 3 | use std::fs::{self, File};
Dec 11 11:02:24.796 INFO [stderr]   |                     ^^^^
Dec 11 11:02:24.796 INFO [stderr] 
Dec 11 11:02:24.844 INFO [stderr] warning: unused import: `std::env`
Dec 11 11:02:24.844 INFO [stderr]  --> src/types.rs:2:5
Dec 11 11:02:24.844 INFO [stderr]   |
Dec 11 11:02:24.844 INFO [stderr] 2 | use std::env;
Dec 11 11:02:24.844 INFO [stderr]   |     ^^^^^^^^
Dec 11 11:02:24.844 INFO [stderr]   |
Dec 11 11:02:24.844 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 11:02:24.844 INFO [stderr] 
Dec 11 11:02:24.844 INFO [stderr] warning: unused import: `File`
Dec 11 11:02:24.844 INFO [stderr]  --> src/types.rs:3:21
Dec 11 11:02:24.844 INFO [stderr]   |
Dec 11 11:02:24.844 INFO [stderr] 3 | use std::fs::{self, File};
Dec 11 11:02:24.844 INFO [stderr]   |                     ^^^^
Dec 11 11:02:24.844 INFO [stderr] 
Dec 11 11:02:25.013 INFO [stderr] warning: struct is never constructed: `Feed`
Dec 11 11:02:25.013 INFO [stderr]  --> src/types.rs:6:1
Dec 11 11:02:25.013 INFO [stderr]   |
Dec 11 11:02:25.013 INFO [stderr] 6 | pub struct Feed {
Dec 11 11:02:25.013 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 11 11:02:25.013 INFO [stderr]   |
Dec 11 11:02:25.013 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 11:02:25.013 INFO [stderr] 
Dec 11 11:02:25.013 INFO [stderr] warning: struct is never constructed: `Item`
Dec 11 11:02:25.013 INFO [stderr]   --> src/types.rs:10:1
Dec 11 11:02:25.013 INFO [stderr]    |
Dec 11 11:02:25.013 INFO [stderr] 10 | pub struct Item {
Dec 11 11:02:25.013 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 11 11:02:25.013 INFO [stderr] 
Dec 11 11:02:25.014 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 11:02:25.014 INFO [stderr]   --> src/types.rs:29:13
Dec 11 11:02:25.014 INFO [stderr]    |
Dec 11 11:02:25.014 INFO [stderr] 29 |             fs::create_dir(&self.feed_path);
Dec 11 11:02:25.014 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 11:02:25.014 INFO [stderr]    |
Dec 11 11:02:25.014 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 11:02:25.014 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 11:02:25.014 INFO [stderr] 
Dec 11 11:02:25.080 INFO [stderr] warning: struct is never constructed: `Feed`
Dec 11 11:02:25.081 INFO [stderr]  --> src/types.rs:6:1
Dec 11 11:02:25.081 INFO [stderr]   |
Dec 11 11:02:25.082 INFO [stderr] 6 | pub struct Feed {
Dec 11 11:02:25.082 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 11 11:02:25.082 INFO [stderr]   |
Dec 11 11:02:25.082 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 11:02:25.082 INFO [stderr] 
Dec 11 11:02:25.082 INFO [stderr] warning: struct is never constructed: `Item`
Dec 11 11:02:25.082 INFO [stderr]   --> src/types.rs:10:1
Dec 11 11:02:25.082 INFO [stderr]    |
Dec 11 11:02:25.082 INFO [stderr] 10 | pub struct Item {
Dec 11 11:02:25.082 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 11 11:02:25.082 INFO [stderr] 
Dec 11 11:02:25.082 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 11:02:25.082 INFO [stderr]   --> src/types.rs:29:13
Dec 11 11:02:25.082 INFO [stderr]    |
Dec 11 11:02:25.082 INFO [stderr] 29 |             fs::create_dir(&self.feed_path);
Dec 11 11:02:25.082 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 11:02:25.082 INFO [stderr]    |
Dec 11 11:02:25.082 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 11:02:25.082 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 11:02:25.082 INFO [stderr] 
Dec 11 11:02:25.106 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.67s
Dec 11 11:02:25.125 INFO [stderr] su: No module specific data is present
Dec 11 11:02:25.719 INFO running `"docker" "inspect" "7fffb222baf24882463adbe0c2b1156a8d4854b3c1fdcbfd8a4c2689dce1d5eb"`
Dec 11 11:02:25.940 INFO running `"docker" "rm" "-f" "7fffb222baf24882463adbe0c2b1156a8d4854b3c1fdcbfd8a4c2689dce1d5eb"`
Dec 11 11:02:26.176 INFO [stdout] 7fffb222baf24882463adbe0c2b1156a8d4854b3c1fdcbfd8a4c2689dce1d5eb