[INFO] cloning repository https://github.com/TylerWasniowski/rust_to_do_list
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TylerWasniowski/rust_to_do_list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTylerWasniowski%2Frust_to_do_list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTylerWasniowski%2Frust_to_do_list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 462dd6445f837b81aa7fbdc6db951996812aaa7b
[INFO] testing TylerWasniowski/rust_to_do_list against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTylerWasniowski%2Frust_to_do_list" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TylerWasniowski/rust_to_do_list on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TylerWasniowski/rust_to_do_list
[INFO] finished tweaking git repo https://github.com/TylerWasniowski/rust_to_do_list
[INFO] tweaked toml for git repo https://github.com/TylerWasniowski/rust_to_do_list written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/TylerWasniowski/rust_to_do_list already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f47f61e9b6bf292e6b9720f98a8d6544905ddf38b00155eaf4333f2b650eba72
[INFO] running `Command { std: "docker" "start" "-a" "f47f61e9b6bf292e6b9720f98a8d6544905ddf38b00155eaf4333f2b650eba72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f47f61e9b6bf292e6b9720f98a8d6544905ddf38b00155eaf4333f2b650eba72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f47f61e9b6bf292e6b9720f98a8d6544905ddf38b00155eaf4333f2b650eba72", kill_on_drop: false }`
[INFO] [stdout] f47f61e9b6bf292e6b9720f98a8d6544905ddf38b00155eaf4333f2b650eba72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6878b1ee4d9a50a3654901e30b04950f47bbd02530e1726a3da50da5beb56977
[INFO] running `Command { std: "docker" "start" "-a" "6878b1ee4d9a50a3654901e30b04950f47bbd02530e1726a3da50da5beb56977", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v0.2.6
[INFO] [stderr]    Compiling rust_to_do_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `rust_to_do_list`
[INFO] [stdout]    --> src/main.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / extern crate regex;
[INFO] [stdout] 2   | |
[INFO] [stdout] 3   | | pub mod db;
[INFO] [stdout] 4   | | pub mod to_do_list;
[INFO] [stdout] ...   |
[INFO] [stdout] 185 | |     }
[INFO] [stdout] 186 | | }
[INFO] [stdout]     | |_^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_to_do_list` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6878b1ee4d9a50a3654901e30b04950f47bbd02530e1726a3da50da5beb56977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6878b1ee4d9a50a3654901e30b04950f47bbd02530e1726a3da50da5beb56977", kill_on_drop: false }`
[INFO] [stdout] 6878b1ee4d9a50a3654901e30b04950f47bbd02530e1726a3da50da5beb56977