[INFO] cloning repository https://github.com/Amna-amjad/just_practice_2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Amna-amjad/just_practice_2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmna-amjad%2Fjust_practice_2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmna-amjad%2Fjust_practice_2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d71c596d2c580253b33aa2a6317c0114e5b2801
[INFO] testing Amna-amjad/just_practice_2 against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmna-amjad%2Fjust_practice_2" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Amna-amjad/just_practice_2
[INFO] finished tweaking git repo https://github.com/Amna-amjad/just_practice_2
[INFO] tweaked toml for git repo https://github.com/Amna-amjad/just_practice_2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Amna-amjad/just_practice_2 on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Amna-amjad/just_practice_2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50b920e09c39f05f7910ae8edca1c0895fd862d3c94fd92089632b8cf3b40abb
[INFO] running `Command { std: "docker" "start" "-a" "50b920e09c39f05f7910ae8edca1c0895fd862d3c94fd92089632b8cf3b40abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50b920e09c39f05f7910ae8edca1c0895fd862d3c94fd92089632b8cf3b40abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50b920e09c39f05f7910ae8edca1c0895fd862d3c94fd92089632b8cf3b40abb", kill_on_drop: false }`
[INFO] [stdout] 50b920e09c39f05f7910ae8edca1c0895fd862d3c94fd92089632b8cf3b40abb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 512a57d6e3eeb1a6a125e5519dabb8d314f68ba07c1d1a10c085c726be576a2d
[INFO] running `Command { std: "docker" "start" "-a" "512a57d6e3eeb1a6a125e5519dabb8d314f68ba07c1d1a10c085c726be576a2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling revision v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `revision`
[INFO] [stdout]   --> src/main.rs:80:2
[INFO] [stdout]    |
[INFO] [stdout] 80 |
[INFO] [stdout]    | ^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `revision` (bin "revision") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "512a57d6e3eeb1a6a125e5519dabb8d314f68ba07c1d1a10c085c726be576a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "512a57d6e3eeb1a6a125e5519dabb8d314f68ba07c1d1a10c085c726be576a2d", kill_on_drop: false }`
[INFO] [stdout] 512a57d6e3eeb1a6a125e5519dabb8d314f68ba07c1d1a10c085c726be576a2d
