[INFO] fetching crate libthreema 0.0.0...
[INFO] testing libthreema-0.0.0 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate libthreema 0.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate libthreema 0.0.0
[INFO] finished tweaking crates.io crate libthreema 0.0.0
[INFO] tweaked toml for crates.io crate libthreema 0.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libthreema 0.0.0 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libthreema 0.0.0 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a9255601d68b361999d43a5ed6b5010a2888afaa18dcd8984b09ad2421362ba
[INFO] running `Command { std: "docker" "start" "-a" "8a9255601d68b361999d43a5ed6b5010a2888afaa18dcd8984b09ad2421362ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a9255601d68b361999d43a5ed6b5010a2888afaa18dcd8984b09ad2421362ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a9255601d68b361999d43a5ed6b5010a2888afaa18dcd8984b09ad2421362ba", kill_on_drop: false }`
[INFO] [stdout] 8a9255601d68b361999d43a5ed6b5010a2888afaa18dcd8984b09ad2421362ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5941f0d7ba11f1c1e109adfe28f54559e31d0a27acf7f2ba868387f980502aa
[INFO] running `Command { std: "docker" "start" "-a" "b5941f0d7ba11f1c1e109adfe28f54559e31d0a27acf7f2ba868387f980502aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libthreema v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `libthreema`
[INFO] [stdout]   |
[INFO] [stdout]   = note: 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 `libthreema` (bin "libthreema") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b5941f0d7ba11f1c1e109adfe28f54559e31d0a27acf7f2ba868387f980502aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5941f0d7ba11f1c1e109adfe28f54559e31d0a27acf7f2ba868387f980502aa", kill_on_drop: false }`
[INFO] [stdout] b5941f0d7ba11f1c1e109adfe28f54559e31d0a27acf7f2ba868387f980502aa
