[INFO] fetching crate mock_derive 0.8.0...
[INFO] checking mock_derive-0.8.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate mock_derive 0.8.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate mock_derive 0.8.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mock_derive 0.8.0
[INFO] finished tweaking crates.io crate mock_derive 0.8.0
[INFO] tweaked toml for crates.io crate mock_derive 0.8.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate mock_derive 0.8.0 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9771621cd715680d0439393694b514cdd8dfba4651bf8716e40d618a9c654b9
[INFO] running `Command { std: "docker" "start" "-a" "a9771621cd715680d0439393694b514cdd8dfba4651bf8716e40d618a9c654b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9771621cd715680d0439393694b514cdd8dfba4651bf8716e40d618a9c654b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9771621cd715680d0439393694b514cdd8dfba4651bf8716e40d618a9c654b9", kill_on_drop: false }`
[INFO] [stdout] a9771621cd715680d0439393694b514cdd8dfba4651bf8716e40d618a9c654b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 376d831352b7e35ec56c2b421769c268d6cd057bcededa063771b2d532a032e2
[INFO] running `Command { std: "docker" "start" "-a" "376d831352b7e35ec56c2b421769c268d6cd057bcededa063771b2d532a032e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking mock_derive v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `generics`
[INFO] [stdout]   --> examples/generics.rs:45:2
[INFO] [stdout]    |
[INFO] [stdout] 45 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `examples/generics.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `simple`
[INFO] [stdout]    --> examples/simple.rs:119:2
[INFO] [stdout]     |
[INFO] [stdout] 119 | }
[INFO] [stdout]     |  ^ consider adding a `main` function to `examples/simple.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `extern_functions`
[INFO] [stdout]   --> examples/extern_functions.rs:44:2
[INFO] [stdout]    |
[INFO] [stdout] 44 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `examples/extern_functions.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `mock_derive` (example "generics") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mock_derive` (example "extern_functions") due to 2 previous errors
[INFO] [stderr] error: could not compile `mock_derive` (example "simple") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "376d831352b7e35ec56c2b421769c268d6cd057bcededa063771b2d532a032e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "376d831352b7e35ec56c2b421769c268d6cd057bcededa063771b2d532a032e2", kill_on_drop: false }`
[INFO] [stdout] 376d831352b7e35ec56c2b421769c268d6cd057bcededa063771b2d532a032e2
