[INFO] updating cached repository HuQingyang/markdown-img-to-base64
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/HuQingyang/markdown-img-to-base64
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/HuQingyang/markdown-img-to-base64" "work/ex/beta-1.37-6/sources/1.36.0/gh/HuQingyang/markdown-img-to-base64"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/HuQingyang/markdown-img-to-base64'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/HuQingyang/markdown-img-to-base64" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/HuQingyang/markdown-img-to-base64"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/HuQingyang/markdown-img-to-base64'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bf665090f918e55618e0bc05b1812042f0f6f6a8
[INFO] sha for GitHub repo HuQingyang/markdown-img-to-base64: bf665090f918e55618e0bc05b1812042f0f6f6a8
[INFO] validating manifest of HuQingyang/markdown-img-to-base64 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of HuQingyang/markdown-img-to-base64 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing HuQingyang/markdown-img-to-base64
[INFO] finished frobbing HuQingyang/markdown-img-to-base64
[INFO] frobbed toml for HuQingyang/markdown-img-to-base64 written to work/ex/beta-1.37-6/sources/1.36.0/gh/HuQingyang/markdown-img-to-base64/Cargo.toml
[INFO] started frobbing HuQingyang/markdown-img-to-base64
[INFO] finished frobbing HuQingyang/markdown-img-to-base64
[INFO] frobbed toml for HuQingyang/markdown-img-to-base64 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/HuQingyang/markdown-img-to-base64/Cargo.toml
[INFO] crate HuQingyang/markdown-img-to-base64 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing HuQingyang/markdown-img-to-base64 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/HuQingyang/markdown-img-to-base64:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 74a3f099eec44888b58b94dc86f8e96caa07edd1988a6cd1c5615895694476f5
[INFO] running `"docker" "start" "-a" "74a3f099eec44888b58b94dc86f8e96caa07edd1988a6cd1c5615895694476f5"`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling futures v0.1.24
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling base64 v0.4.2
[INFO] [stderr]    Compiling encoding_rs v0.8.6
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling smallvec v0.6.5
[INFO] [stderr]    Compiling lock_api v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-io v0.1.8
[INFO] [stderr]    Compiling tokio-executor v0.1.4
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde_json v1.0.28
[INFO] [stderr]    Compiling tokio-timer v0.2.6
[INFO] [stderr]    Compiling tokio-current-thread v0.1.1
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling serde_urlencoded v0.5.3
[INFO] [stderr]    Compiling libflate v0.1.16
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling openssl v0.10.12
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.12
[INFO] [stderr]    Compiling png v0.6.2
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]    Compiling tree_magic v0.2.0
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling mime v0.3.9
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling phf v0.7.23
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling tokio-threadpool v0.1.6
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling tokio-reactor v0.1.5
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.1
[INFO] [stderr]    Compiling tokio-uds v0.2.1
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]    Compiling tokio v0.1.8
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling hyper v0.12.10
[INFO] [stderr]    Compiling image v0.12.4
[INFO] [stderr]    Compiling hyper-tls v0.3.0
[INFO] [stderr]    Compiling reqwest v0.9.0
[INFO] [stderr]    Compiling image-base64 v0.1.0
[INFO] [stderr]    Compiling markdown-img-to-base64 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |         fs::rename(&filepath, &new_path);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |         fs::remove_file(new_path);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         fs::remove_file(filepath);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 39s
[INFO] running `"docker" "inspect" "74a3f099eec44888b58b94dc86f8e96caa07edd1988a6cd1c5615895694476f5"`
[INFO] running `"docker" "rm" "-f" "74a3f099eec44888b58b94dc86f8e96caa07edd1988a6cd1c5615895694476f5"`
[INFO] [stdout] 74a3f099eec44888b58b94dc86f8e96caa07edd1988a6cd1c5615895694476f5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/HuQingyang/markdown-img-to-base64:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f8c46f9d5ba56f440cc768bcb2f81cbf0c191dd3b8f26a9caa3fffe3eed4994e
[INFO] running `"docker" "start" "-a" "f8c46f9d5ba56f440cc768bcb2f81cbf0c191dd3b8f26a9caa3fffe3eed4994e"`
[INFO] [stderr]    Compiling markdown-img-to-base64 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |         fs::rename(&filepath, &new_path);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |         fs::remove_file(new_path);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         fs::remove_file(filepath);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "f8c46f9d5ba56f440cc768bcb2f81cbf0c191dd3b8f26a9caa3fffe3eed4994e"`
[INFO] running `"docker" "rm" "-f" "f8c46f9d5ba56f440cc768bcb2f81cbf0c191dd3b8f26a9caa3fffe3eed4994e"`
[INFO] [stdout] f8c46f9d5ba56f440cc768bcb2f81cbf0c191dd3b8f26a9caa3fffe3eed4994e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/HuQingyang/markdown-img-to-base64:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 64cad80cd38cbab70740a00ec54848b4bc0888333b1b78937eb1c6e1ad937306
[INFO] running `"docker" "start" "-a" "64cad80cd38cbab70740a00ec54848b4bc0888333b1b78937eb1c6e1ad937306"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/markdown_img_to_base64-4f54a71ab3da9132
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "64cad80cd38cbab70740a00ec54848b4bc0888333b1b78937eb1c6e1ad937306"`
[INFO] running `"docker" "rm" "-f" "64cad80cd38cbab70740a00ec54848b4bc0888333b1b78937eb1c6e1ad937306"`
[INFO] [stdout] 64cad80cd38cbab70740a00ec54848b4bc0888333b1b78937eb1c6e1ad937306