[INFO] updating cached repository https://github.com/maraisr/mar.fyi
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cd938546bb65ca0e1aa3491172007fa2e219301e
[INFO] checking maraisr/mar.fyi against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaraisr%2Fmar.fyi" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maraisr/mar.fyi on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/maraisr/mar.fyi
[INFO] finished tweaking git repo https://github.com/maraisr/mar.fyi
[INFO] tweaked toml for git repo https://github.com/maraisr/mar.fyi written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/maraisr/mar.fyi already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 87f9b3c19b21f2a2a36ce53743fee58e4ec340b9d454838d67e239d242660e7e
[INFO] running `"docker" "start" "-a" "87f9b3c19b21f2a2a36ce53743fee58e4ec340b9d454838d67e239d242660e7e"`
[INFO] [stderr]     Checking mar-fyi v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0601]: `main` function not found in crate `app`
[INFO] [stderr]    --> index.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr] 1   | / extern crate http;
[INFO] [stderr] 2   | |
[INFO] [stderr] 3   | | use std::collections::HashMap;
[INFO] [stderr] 4   | |
[INFO] [stderr] ...   |
[INFO] [stderr] 104 | |     }
[INFO] [stderr] 105 | | }
[INFO] [stderr]     | |_^ 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 `mar-fyi`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "87f9b3c19b21f2a2a36ce53743fee58e4ec340b9d454838d67e239d242660e7e"`
[INFO] running `"docker" "rm" "-f" "87f9b3c19b21f2a2a36ce53743fee58e4ec340b9d454838d67e239d242660e7e"`
[INFO] [stdout] 87f9b3c19b21f2a2a36ce53743fee58e4ec340b9d454838d67e239d242660e7e