Dec 05 10:04:23.630 INFO testing richardbrodie/mercury against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 10:04:23.631 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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 05 10:04:23.791 INFO [stdout] 42e232a80b30df4c03c1f0bbe6fffb9c4e27260124ee3d0a8597f98d3f5f88d5
Dec 05 10:04:23.798 INFO running `"docker" "start" "-a" "42e232a80b30df4c03c1f0bbe6fffb9c4e27260124ee3d0a8597f98d3f5f88d5"`
Dec 05 10:04:24.163 INFO [stderr] usermod: no changes
Dec 05 10:04:24.320 INFO [stderr]    Compiling dirs v1.0.4
Dec 05 10:04:24.320 INFO [stderr]    Compiling yaml-rust v0.4.2
Dec 05 10:04:24.320 INFO [stderr]    Compiling regex v1.0.5
Dec 05 10:04:27.906 INFO [stderr]    Compiling serde_yaml v0.8.7
Dec 05 10:04:37.734 INFO [stderr]    Compiling env_logger v0.5.13
Dec 05 10:04:37.736 INFO [stderr]    Compiling dotenv v0.13.0
Dec 05 10:04:40.550 INFO [stderr]    Compiling pretty_env_logger v0.2.4
Dec 05 10:04:41.441 INFO [stderr]    Compiling mercury v0.1.0 (/source)
Dec 05 10:04:42.352 INFO [stderr] warning: unused import: `std::env`
Dec 05 10:04:42.353 INFO [stderr]  --> src/types.rs:2:5
Dec 05 10:04:42.353 INFO [stderr]   |
Dec 05 10:04:42.353 INFO [stderr] 2 | use std::env;
Dec 05 10:04:42.354 INFO [stderr]   |     ^^^^^^^^
Dec 05 10:04:42.354 INFO [stderr]   |
Dec 05 10:04:42.354 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 10:04:42.355 INFO [stderr] 
Dec 05 10:04:42.355 INFO [stderr] warning: unused import: `File`
Dec 05 10:04:42.355 INFO [stderr]  --> src/types.rs:3:21
Dec 05 10:04:42.356 INFO [stderr]   |
Dec 05 10:04:42.356 INFO [stderr] 3 | use std::fs::{self, File};
Dec 05 10:04:42.356 INFO [stderr]   |                     ^^^^
Dec 05 10:04:42.356 INFO [stderr] 
Dec 05 10:04:42.486 INFO [stderr] warning: struct is never constructed: `Feed`
Dec 05 10:04:42.486 INFO [stderr]  --> src/types.rs:6:1
Dec 05 10:04:42.486 INFO [stderr]   |
Dec 05 10:04:42.486 INFO [stderr] 6 | pub struct Feed {
Dec 05 10:04:42.486 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 05 10:04:42.486 INFO [stderr]   |
Dec 05 10:04:42.486 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 10:04:42.486 INFO [stderr] 
Dec 05 10:04:42.486 INFO [stderr] warning: struct is never constructed: `Item`
Dec 05 10:04:42.486 INFO [stderr]   --> src/types.rs:10:1
Dec 05 10:04:42.486 INFO [stderr]    |
Dec 05 10:04:42.486 INFO [stderr] 10 | pub struct Item {
Dec 05 10:04:42.486 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 05 10:04:42.486 INFO [stderr] 
Dec 05 10:04:42.487 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 10:04:42.487 INFO [stderr]   --> src/types.rs:29:13
Dec 05 10:04:42.487 INFO [stderr]    |
Dec 05 10:04:42.487 INFO [stderr] 29 |             fs::create_dir(&self.feed_path);
Dec 05 10:04:42.487 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:04:42.487 INFO [stderr]    |
Dec 05 10:04:42.487 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 10:04:42.487 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 10:04:42.487 INFO [stderr] 
Dec 05 10:04:43.781 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.59s
Dec 05 10:04:43.788 INFO [stderr] su: No module specific data is present
Dec 05 10:04:45.428 INFO running `"docker" "inspect" "42e232a80b30df4c03c1f0bbe6fffb9c4e27260124ee3d0a8597f98d3f5f88d5"`
Dec 05 10:04:45.714 INFO running `"docker" "rm" "-f" "42e232a80b30df4c03c1f0bbe6fffb9c4e27260124ee3d0a8597f98d3f5f88d5"`
Dec 05 10:04:46.040 INFO [stdout] 42e232a80b30df4c03c1f0bbe6fffb9c4e27260124ee3d0a8597f98d3f5f88d5
Dec 05 10:04:46.045 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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 05 10:04:46.510 INFO [stdout] a5edc365d78cbebd1fb30aeb5b300d0bc486417e594acce93aecb4327420a08f
Dec 05 10:04:46.516 INFO running `"docker" "start" "-a" "a5edc365d78cbebd1fb30aeb5b300d0bc486417e594acce93aecb4327420a08f"`
Dec 05 10:04:47.632 INFO [stderr] usermod: no changes
Dec 05 10:04:47.792 INFO [stderr]    Compiling mercury v0.1.0 (/source)
Dec 05 10:04:48.556 INFO [stderr] warning: unused import: `std::env`
Dec 05 10:04:48.556 INFO [stderr]  --> src/types.rs:2:5
Dec 05 10:04:48.556 INFO [stderr]   |
Dec 05 10:04:48.556 INFO [stderr] 2 | use std::env;
Dec 05 10:04:48.556 INFO [stderr]   |     ^^^^^^^^
Dec 05 10:04:48.556 INFO [stderr]   |
Dec 05 10:04:48.556 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 10:04:48.556 INFO [stderr] 
Dec 05 10:04:48.556 INFO [stderr] warning: unused import: `File`
Dec 05 10:04:48.556 INFO [stderr]  --> src/types.rs:3:21
Dec 05 10:04:48.556 INFO [stderr]   |
Dec 05 10:04:48.556 INFO [stderr] 3 | use std::fs::{self, File};
Dec 05 10:04:48.556 INFO [stderr]   |                     ^^^^
Dec 05 10:04:48.556 INFO [stderr] 
Dec 05 10:04:48.660 INFO [stderr] warning: struct is never constructed: `Feed`
Dec 05 10:04:48.660 INFO [stderr]  --> src/types.rs:6:1
Dec 05 10:04:48.660 INFO [stderr]   |
Dec 05 10:04:48.660 INFO [stderr] 6 | pub struct Feed {
Dec 05 10:04:48.660 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 05 10:04:48.660 INFO [stderr]   |
Dec 05 10:04:48.660 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 10:04:48.660 INFO [stderr] 
Dec 05 10:04:48.660 INFO [stderr] warning: struct is never constructed: `Item`
Dec 05 10:04:48.660 INFO [stderr]   --> src/types.rs:10:1
Dec 05 10:04:48.660 INFO [stderr]    |
Dec 05 10:04:48.660 INFO [stderr] 10 | pub struct Item {
Dec 05 10:04:48.660 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 05 10:04:48.660 INFO [stderr] 
Dec 05 10:04:48.660 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 10:04:48.660 INFO [stderr]   --> src/types.rs:29:13
Dec 05 10:04:48.660 INFO [stderr]    |
Dec 05 10:04:48.661 INFO [stderr] 29 |             fs::create_dir(&self.feed_path);
Dec 05 10:04:48.661 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:04:48.661 INFO [stderr]    |
Dec 05 10:04:48.661 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 10:04:48.661 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 10:04:48.661 INFO [stderr] 
Dec 05 10:04:49.620 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
Dec 05 10:04:49.633 INFO [stderr] su: No module specific data is present
Dec 05 10:04:51.174 INFO running `"docker" "inspect" "a5edc365d78cbebd1fb30aeb5b300d0bc486417e594acce93aecb4327420a08f"`
Dec 05 10:04:51.516 INFO running `"docker" "rm" "-f" "a5edc365d78cbebd1fb30aeb5b300d0bc486417e594acce93aecb4327420a08f"`
Dec 05 10:04:51.788 INFO [stdout] a5edc365d78cbebd1fb30aeb5b300d0bc486417e594acce93aecb4327420a08f
Dec 05 10:04:51.796 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-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 05 10:04:52.302 INFO [stdout] 811ce307a57440dc26e582ba1a8fa9ed72fcf84ceb0c2425640695198973f0e4
Dec 05 10:04:52.305 INFO running `"docker" "start" "-a" "811ce307a57440dc26e582ba1a8fa9ed72fcf84ceb0c2425640695198973f0e4"`
Dec 05 10:04:54.685 INFO [stderr] usermod: no changes
Dec 05 10:04:54.845 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
Dec 05 10:04:54.852 INFO [stderr]      Running /target/debug/deps/mercury-d355d8da0dd12400
Dec 05 10:04:54.852 INFO [stdout] 
Dec 05 10:04:54.853 INFO [stdout] running 0 tests
Dec 05 10:04:54.853 INFO [stdout] 
Dec 05 10:04:54.853 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 10:04:54.853 INFO [stdout] 
Dec 05 10:04:54.860 INFO [stderr] su: No module specific data is present
Dec 05 10:04:56.262 INFO running `"docker" "inspect" "811ce307a57440dc26e582ba1a8fa9ed72fcf84ceb0c2425640695198973f0e4"`
Dec 05 10:04:56.642 INFO running `"docker" "rm" "-f" "811ce307a57440dc26e582ba1a8fa9ed72fcf84ceb0c2425640695198973f0e4"`
Dec 05 10:04:56.952 INFO [stdout] 811ce307a57440dc26e582ba1a8fa9ed72fcf84ceb0c2425640695198973f0e4