Dec 12 02:23:27.399 INFO checking HuQingyang/markdown-img-to-base64 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 02:23:27.399 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 02:23:28.020 INFO [stdout] e10709b74c0305a4ca5f1ea6bff3480b6592f0b51d440e81c2a91c161a81d9c9
Dec 12 02:23:28.026 INFO running `"docker" "start" "-a" "e10709b74c0305a4ca5f1ea6bff3480b6592f0b51d440e81c2a91c161a81d9c9"`
Dec 12 02:23:29.068 INFO [stderr] usermod: no changes
Dec 12 02:23:29.589 INFO [stderr]     Checking base64 v0.4.2
Dec 12 02:23:29.609 INFO [stderr]     Checking tree_magic v0.2.0
Dec 12 02:23:29.609 INFO [stderr]     Checking serde_json v1.0.28
Dec 12 02:23:29.609 INFO [stderr]     Checking regex v0.2.11
Dec 12 02:23:29.609 INFO [stderr]     Checking png v0.6.2
Dec 12 02:23:29.609 INFO [stderr]     Checking tokio-reactor v0.1.5
Dec 12 02:23:29.609 INFO [stderr]     Checking jpeg-decoder v0.1.15
Dec 12 02:23:35.492 INFO [stderr]     Checking tokio-tcp v0.1.1
Dec 12 02:23:35.492 INFO [stderr]     Checking tokio-udp v0.1.2
Dec 12 02:23:35.492 INFO [stderr]     Checking tokio-uds v0.2.1
Dec 12 02:23:35.910 INFO [stderr]     Checking image v0.12.4
Dec 12 02:23:41.617 INFO [stderr]     Checking tokio v0.1.8
Dec 12 02:23:44.896 INFO [stderr]     Checking image-base64 v0.1.0
Dec 12 02:23:45.056 INFO [stderr]     Checking hyper v0.12.10
Dec 12 02:23:51.982 INFO [stderr]     Checking hyper-tls v0.3.0
Dec 12 02:23:55.898 INFO [stderr]     Checking reqwest v0.9.0
Dec 12 02:24:01.187 INFO [stderr]     Checking markdown-img-to-base64 v0.1.0 (/source)
Dec 12 02:24:08.100 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:24:08.100 INFO [stderr]    --> src/main.rs:107:9
Dec 12 02:24:08.100 INFO [stderr]     |
Dec 12 02:24:08.100 INFO [stderr] 107 |         fs::rename(&filepath, &new_path);
Dec 12 02:24:08.100 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:24:08.100 INFO [stderr]     |
Dec 12 02:24:08.101 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 02:24:08.101 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:24:08.101 INFO [stderr] 
Dec 12 02:24:08.101 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:24:08.101 INFO [stderr]    --> src/main.rs:110:9
Dec 12 02:24:08.101 INFO [stderr]     |
Dec 12 02:24:08.101 INFO [stderr] 110 |         fs::remove_file(new_path);
Dec 12 02:24:08.101 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:24:08.101 INFO [stderr]     |
Dec 12 02:24:08.101 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:24:08.101 INFO [stderr] 
Dec 12 02:24:08.101 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:24:08.101 INFO [stderr]    --> src/main.rs:114:9
Dec 12 02:24:08.101 INFO [stderr]     |
Dec 12 02:24:08.101 INFO [stderr] 114 |         fs::remove_file(filepath);
Dec 12 02:24:08.101 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:24:08.101 INFO [stderr]     |
Dec 12 02:24:08.101 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:24:08.101 INFO [stderr] 
Dec 12 02:24:08.167 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:24:08.167 INFO [stderr]    --> src/main.rs:107:9
Dec 12 02:24:08.168 INFO [stderr]     |
Dec 12 02:24:08.168 INFO [stderr] 107 |         fs::rename(&filepath, &new_path);
Dec 12 02:24:08.168 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:24:08.168 INFO [stderr]     |
Dec 12 02:24:08.168 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 02:24:08.168 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:24:08.168 INFO [stderr] 
Dec 12 02:24:08.168 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:24:08.168 INFO [stderr]    --> src/main.rs:110:9
Dec 12 02:24:08.168 INFO [stderr]     |
Dec 12 02:24:08.168 INFO [stderr] 110 |         fs::remove_file(new_path);
Dec 12 02:24:08.168 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:24:08.168 INFO [stderr]     |
Dec 12 02:24:08.168 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:24:08.168 INFO [stderr] 
Dec 12 02:24:08.168 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:24:08.168 INFO [stderr]    --> src/main.rs:114:9
Dec 12 02:24:08.168 INFO [stderr]     |
Dec 12 02:24:08.168 INFO [stderr] 114 |         fs::remove_file(filepath);
Dec 12 02:24:08.168 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:24:08.168 INFO [stderr]     |
Dec 12 02:24:08.168 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:24:08.168 INFO [stderr] 
Dec 12 02:24:08.233 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.13s
Dec 12 02:24:08.265 INFO [stderr] su: No module specific data is present
Dec 12 02:24:09.279 INFO running `"docker" "inspect" "e10709b74c0305a4ca5f1ea6bff3480b6592f0b51d440e81c2a91c161a81d9c9"`
Dec 12 02:24:09.622 INFO running `"docker" "rm" "-f" "e10709b74c0305a4ca5f1ea6bff3480b6592f0b51d440e81c2a91c161a81d9c9"`
Dec 12 02:24:09.892 INFO [stdout] e10709b74c0305a4ca5f1ea6bff3480b6592f0b51d440e81c2a91c161a81d9c9