Dec 13 06:01:01.363 INFO testing richardbrodie/mercury against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 06:01:01.363 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 06:01:01.598 INFO [stdout] 948ad214445c88cf9dcfe51509b7c5d1220a7c75896ae7b866e8be7565e59615
Dec 13 06:01:01.608 INFO running `"docker" "start" "-a" "948ad214445c88cf9dcfe51509b7c5d1220a7c75896ae7b866e8be7565e59615"`
Dec 13 06:01:02.035 INFO [stderr] usermod: no changes
Dec 13 06:01:02.181 INFO [stderr]    Compiling regex-syntax v0.6.2
Dec 13 06:01:02.182 INFO [stderr]    Compiling yaml-rust v0.4.2
Dec 13 06:01:02.184 INFO [stderr]    Compiling syn v0.15.15
Dec 13 06:01:05.691 INFO [stderr]    Compiling serde_yaml v0.8.7
Dec 13 06:01:19.447 INFO [stderr]    Compiling regex v1.0.5
Dec 13 06:01:24.574 INFO [stderr]    Compiling synstructure v0.10.1
Dec 13 06:01:24.580 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 13 06:01:32.167 INFO [stderr]    Compiling failure_derive v0.1.3
Dec 13 06:01:41.179 INFO [stderr]    Compiling failure v0.1.3
Dec 13 06:01:43.015 INFO [stderr]    Compiling env_logger v0.5.13
Dec 13 06:01:43.570 INFO [stderr]    Compiling dotenv v0.13.0
Dec 13 06:01:46.961 INFO [stderr]    Compiling pretty_env_logger v0.2.4
Dec 13 06:01:56.101 INFO [stderr]    Compiling mercury v0.1.0 (/source)
Dec 13 06:01:57.075 INFO [stderr] warning: unused import: `std::env`
Dec 13 06:01:57.075 INFO [stderr]  --> src/types.rs:2:5
Dec 13 06:01:57.075 INFO [stderr]   |
Dec 13 06:01:57.075 INFO [stderr] 2 | use std::env;
Dec 13 06:01:57.075 INFO [stderr]   |     ^^^^^^^^
Dec 13 06:01:57.075 INFO [stderr]   |
Dec 13 06:01:57.075 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 06:01:57.075 INFO [stderr] 
Dec 13 06:01:57.075 INFO [stderr] warning: unused import: `File`
Dec 13 06:01:57.075 INFO [stderr]  --> src/types.rs:3:21
Dec 13 06:01:57.075 INFO [stderr]   |
Dec 13 06:01:57.075 INFO [stderr] 3 | use std::fs::{self, File};
Dec 13 06:01:57.075 INFO [stderr]   |                     ^^^^
Dec 13 06:01:57.075 INFO [stderr] 
Dec 13 06:01:57.179 INFO [stderr] warning: struct is never constructed: `Feed`
Dec 13 06:01:57.179 INFO [stderr]  --> src/types.rs:6:1
Dec 13 06:01:57.179 INFO [stderr]   |
Dec 13 06:01:57.179 INFO [stderr] 6 | pub struct Feed {
Dec 13 06:01:57.179 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 13 06:01:57.179 INFO [stderr]   |
Dec 13 06:01:57.179 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 06:01:57.179 INFO [stderr] 
Dec 13 06:01:57.179 INFO [stderr] warning: struct is never constructed: `Item`
Dec 13 06:01:57.179 INFO [stderr]   --> src/types.rs:10:1
Dec 13 06:01:57.179 INFO [stderr]    |
Dec 13 06:01:57.179 INFO [stderr] 10 | pub struct Item {
Dec 13 06:01:57.179 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 13 06:01:57.179 INFO [stderr] 
Dec 13 06:01:57.179 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 06:01:57.179 INFO [stderr]   --> src/types.rs:29:13
Dec 13 06:01:57.179 INFO [stderr]    |
Dec 13 06:01:57.179 INFO [stderr] 29 |             fs::create_dir(&self.feed_path);
Dec 13 06:01:57.179 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:01:57.179 INFO [stderr]    |
Dec 13 06:01:57.179 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 06:01:57.179 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 06:01:57.179 INFO [stderr] 
Dec 13 06:01:58.442 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.37s
Dec 13 06:01:58.442 INFO [stderr] su: No module specific data is present
Dec 13 06:01:59.301 INFO running `"docker" "inspect" "948ad214445c88cf9dcfe51509b7c5d1220a7c75896ae7b866e8be7565e59615"`
Dec 13 06:01:59.525 INFO running `"docker" "rm" "-f" "948ad214445c88cf9dcfe51509b7c5d1220a7c75896ae7b866e8be7565e59615"`
Dec 13 06:01:59.859 INFO [stdout] 948ad214445c88cf9dcfe51509b7c5d1220a7c75896ae7b866e8be7565e59615
Dec 13 06:01:59.865 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 06:02:00.327 INFO [stdout] 488b2a3aa4298d2fa8b31d3993386dd2084085365aedaea4dc2dd24170b4623f
Dec 13 06:02:00.331 INFO running `"docker" "start" "-a" "488b2a3aa4298d2fa8b31d3993386dd2084085365aedaea4dc2dd24170b4623f"`
Dec 13 06:02:01.736 INFO [stderr] usermod: no changes
Dec 13 06:02:01.883 INFO [stderr]    Compiling mercury v0.1.0 (/source)
Dec 13 06:02:02.747 INFO [stderr] warning: unused import: `std::env`
Dec 13 06:02:02.747 INFO [stderr]  --> src/types.rs:2:5
Dec 13 06:02:02.747 INFO [stderr]   |
Dec 13 06:02:02.747 INFO [stderr] 2 | use std::env;
Dec 13 06:02:02.747 INFO [stderr]   |     ^^^^^^^^
Dec 13 06:02:02.747 INFO [stderr]   |
Dec 13 06:02:02.747 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 06:02:02.747 INFO [stderr] 
Dec 13 06:02:02.747 INFO [stderr] warning: unused import: `File`
Dec 13 06:02:02.747 INFO [stderr]  --> src/types.rs:3:21
Dec 13 06:02:02.747 INFO [stderr]   |
Dec 13 06:02:02.747 INFO [stderr] 3 | use std::fs::{self, File};
Dec 13 06:02:02.747 INFO [stderr]   |                     ^^^^
Dec 13 06:02:02.747 INFO [stderr] 
Dec 13 06:02:02.871 INFO [stderr] warning: struct is never constructed: `Feed`
Dec 13 06:02:02.871 INFO [stderr]  --> src/types.rs:6:1
Dec 13 06:02:02.871 INFO [stderr]   |
Dec 13 06:02:02.871 INFO [stderr] 6 | pub struct Feed {
Dec 13 06:02:02.871 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 13 06:02:02.871 INFO [stderr]   |
Dec 13 06:02:02.871 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 06:02:02.871 INFO [stderr] 
Dec 13 06:02:02.871 INFO [stderr] warning: struct is never constructed: `Item`
Dec 13 06:02:02.871 INFO [stderr]   --> src/types.rs:10:1
Dec 13 06:02:02.871 INFO [stderr]    |
Dec 13 06:02:02.871 INFO [stderr] 10 | pub struct Item {
Dec 13 06:02:02.871 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 13 06:02:02.871 INFO [stderr] 
Dec 13 06:02:02.871 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 06:02:02.871 INFO [stderr]   --> src/types.rs:29:13
Dec 13 06:02:02.871 INFO [stderr]    |
Dec 13 06:02:02.871 INFO [stderr] 29 |             fs::create_dir(&self.feed_path);
Dec 13 06:02:02.871 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:02:02.871 INFO [stderr]    |
Dec 13 06:02:02.871 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 06:02:02.871 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 06:02:02.871 INFO [stderr] 
Dec 13 06:02:03.352 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
Dec 13 06:02:03.367 INFO [stderr] su: No module specific data is present
Dec 13 06:02:04.273 INFO running `"docker" "inspect" "488b2a3aa4298d2fa8b31d3993386dd2084085365aedaea4dc2dd24170b4623f"`
Dec 13 06:02:04.635 INFO running `"docker" "rm" "-f" "488b2a3aa4298d2fa8b31d3993386dd2084085365aedaea4dc2dd24170b4623f"`
Dec 13 06:02:04.973 INFO [stdout] 488b2a3aa4298d2fa8b31d3993386dd2084085365aedaea4dc2dd24170b4623f
Dec 13 06:02:04.975 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 06:02:05.489 INFO [stdout] 6338edf9a34031df23b56d580a480cb2ec83ab5128263fe779d1bec1230fecc0
Dec 13 06:02:05.491 INFO running `"docker" "start" "-a" "6338edf9a34031df23b56d580a480cb2ec83ab5128263fe779d1bec1230fecc0"`
Dec 13 06:02:07.259 INFO [stderr] usermod: no changes
Dec 13 06:02:07.486 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
Dec 13 06:02:07.515 INFO [stderr]      Running /target/debug/deps/mercury-ab15f1437c3fdc18
Dec 13 06:02:07.524 INFO [stdout] 
Dec 13 06:02:07.524 INFO [stdout] running 0 tests
Dec 13 06:02:07.524 INFO [stdout] 
Dec 13 06:02:07.524 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 06:02:07.524 INFO [stdout] 
Dec 13 06:02:07.527 INFO [stderr] su: No module specific data is present
Dec 13 06:02:08.453 INFO running `"docker" "inspect" "6338edf9a34031df23b56d580a480cb2ec83ab5128263fe779d1bec1230fecc0"`
Dec 13 06:02:08.765 INFO running `"docker" "rm" "-f" "6338edf9a34031df23b56d580a480cb2ec83ab5128263fe779d1bec1230fecc0"`
Dec 13 06:02:09.110 INFO [stdout] 6338edf9a34031df23b56d580a480cb2ec83ab5128263fe779d1bec1230fecc0