[INFO] updating cached repository Mathspy/unsafe-now
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Mathspy/unsafe-now
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Mathspy/unsafe-now" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/Mathspy/unsafe-now"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/Mathspy/unsafe-now'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Mathspy/unsafe-now" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/Mathspy/unsafe-now"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/Mathspy/unsafe-now'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f94bdda5780c5049c136d39e10139efbdbdde88
[INFO] sha for GitHub repo Mathspy/unsafe-now: 9f94bdda5780c5049c136d39e10139efbdbdde88
[INFO] validating manifest of Mathspy/unsafe-now on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Mathspy/unsafe-now on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Mathspy/unsafe-now
[INFO] finished frobbing Mathspy/unsafe-now
[INFO] frobbed toml for Mathspy/unsafe-now written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/Mathspy/unsafe-now/Cargo.toml
[INFO] started frobbing Mathspy/unsafe-now
[INFO] finished frobbing Mathspy/unsafe-now
[INFO] frobbed toml for Mathspy/unsafe-now written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/Mathspy/unsafe-now/Cargo.toml
[INFO] crate Mathspy/unsafe-now already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking Mathspy/unsafe-now against master#6ea4036cd20a4b1ab1d56e555108c21735ff6946 for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-4/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/Mathspy/unsafe-now:/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=forbid" "-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" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ecd4033404d96b4353383cc6d5ef1e82850cd89566bae2badb5ba21a3cad7681
[INFO] running `"docker" "start" "-a" "ecd4033404d96b4353383cc6d5ef1e82850cd89566bae2badb5ba21a3cad7681"`
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.8.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking syn v0.15.35
[INFO] [stderr]     Checking geiger v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking serde v1.0.92
[INFO] [stderr]     Checking git2 v0.9.1
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking unsafe-now v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `handler`
[INFO] [stderr]    --> index.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | fn handler(request: Request<()>) -> http::Result<Response<String>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `index`
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider adding a `main` function to `index.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: Could not compile `unsafe-now`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ecd4033404d96b4353383cc6d5ef1e82850cd89566bae2badb5ba21a3cad7681"`
[INFO] running `"docker" "rm" "-f" "ecd4033404d96b4353383cc6d5ef1e82850cd89566bae2badb5ba21a3cad7681"`
[INFO] [stdout] ecd4033404d96b4353383cc6d5ef1e82850cd89566bae2badb5ba21a3cad7681