[INFO] cloning repository shanlihou/rust_tool
[INFO] running `"git" "clone" "--bare" "git://github.com/shanlihou/rust_tool.git" "work/cache/sources/gh/shanlihou/rust_tool"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/shanlihou/rust_tool'...
[INFO] running `"git" "clone" "work/cache/sources/gh/shanlihou/rust_tool" "work/ex/beta-1.37-6/sources/1.36.0/gh/shanlihou/rust_tool"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/shanlihou/rust_tool'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shanlihou/rust_tool" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shanlihou/rust_tool"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shanlihou/rust_tool'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b759a7ae224888b58c60c3dab3abe2cbc8e8e033
[INFO] sha for GitHub repo shanlihou/rust_tool: b759a7ae224888b58c60c3dab3abe2cbc8e8e033
[INFO] validating manifest of shanlihou/rust_tool 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 shanlihou/rust_tool 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 shanlihou/rust_tool
[INFO] finished frobbing shanlihou/rust_tool
[INFO] frobbed toml for shanlihou/rust_tool written to work/ex/beta-1.37-6/sources/1.36.0/gh/shanlihou/rust_tool/Cargo.toml
[INFO] started frobbing shanlihou/rust_tool
[INFO] finished frobbing shanlihou/rust_tool
[INFO] frobbed toml for shanlihou/rust_tool written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shanlihou/rust_tool/Cargo.toml
[INFO] crate shanlihou/rust_tool 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/shanlihou/rust_tool/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing shanlihou/rust_tool 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-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/shanlihou/rust_tool:/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] f1e6d15926d887fef6df1ec3fc0a1d5b5393d52837e2de8bb0cd46946015278c
[INFO] running `"docker" "start" "-a" "f1e6d15926d887fef6df1ec3fc0a1d5b5393d52837e2de8bb0cd46946015278c"`
[INFO] [stderr]    Compiling resize_png v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `resize_png`
[INFO] [stderr]   --> src/main.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn resize_png(img: &Path, dst_path: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `"docker" "inspect" "f1e6d15926d887fef6df1ec3fc0a1d5b5393d52837e2de8bb0cd46946015278c"`
[INFO] running `"docker" "rm" "-f" "f1e6d15926d887fef6df1ec3fc0a1d5b5393d52837e2de8bb0cd46946015278c"`
[INFO] [stdout] f1e6d15926d887fef6df1ec3fc0a1d5b5393d52837e2de8bb0cd46946015278c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/shanlihou/rust_tool:/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] 5cc3eea9ddf81729f05934b1a063225d631093ff9f22aa1baf8165e049b47556
[INFO] running `"docker" "start" "-a" "5cc3eea9ddf81729f05934b1a063225d631093ff9f22aa1baf8165e049b47556"`
[INFO] [stderr]    Compiling resize_png v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `resize_png`
[INFO] [stderr]   --> src/main.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn resize_png(img: &Path, dst_path: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "5cc3eea9ddf81729f05934b1a063225d631093ff9f22aa1baf8165e049b47556"`
[INFO] running `"docker" "rm" "-f" "5cc3eea9ddf81729f05934b1a063225d631093ff9f22aa1baf8165e049b47556"`
[INFO] [stdout] 5cc3eea9ddf81729f05934b1a063225d631093ff9f22aa1baf8165e049b47556
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/shanlihou/rust_tool:/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] e71d0b1256e85de8fb46ee8ab61aacfcfb52c79898bc8cda58fa2d04b8cb8fc0
[INFO] running `"docker" "start" "-a" "e71d0b1256e85de8fb46ee8ab61aacfcfb52c79898bc8cda58fa2d04b8cb8fc0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/resize_png-bd43c09593cde725
[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" "e71d0b1256e85de8fb46ee8ab61aacfcfb52c79898bc8cda58fa2d04b8cb8fc0"`
[INFO] running `"docker" "rm" "-f" "e71d0b1256e85de8fb46ee8ab61aacfcfb52c79898bc8cda58fa2d04b8cb8fc0"`
[INFO] [stdout] e71d0b1256e85de8fb46ee8ab61aacfcfb52c79898bc8cda58fa2d04b8cb8fc0