[INFO] fetching crate mock_derive 0.8.0...
[INFO] checking mock_derive-0.8.0 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate mock_derive 0.8.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mock_derive 0.8.0 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "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-6-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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa32817c9151f452df664097296515cc145fdb52d1c85bba3ce665f4b93a402b
[INFO] running `Command { std: "docker" "start" "-a" "fa32817c9151f452df664097296515cc145fdb52d1c85bba3ce665f4b93a402b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa32817c9151f452df664097296515cc145fdb52d1c85bba3ce665f4b93a402b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa32817c9151f452df664097296515cc145fdb52d1c85bba3ce665f4b93a402b", kill_on_drop: false }`
[INFO] [stdout] fa32817c9151f452df664097296515cc145fdb52d1c85bba3ce665f4b93a402b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ba9f611e244c3241c013db5105ff25e1a0f7aea3b4b41ab85cf31cb469aa8ed
[INFO] running `Command { std: "docker" "start" "-a" "6ba9f611e244c3241c013db5105ff25e1a0f7aea3b4b41ab85cf31cb469aa8ed", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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]    Compiling lazy_static v1.4.0
[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[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] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mock_derive` (example "extern_functions") due to 1 previous error
[INFO] [stderr] error: could not compile `mock_derive` (example "simple") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6ba9f611e244c3241c013db5105ff25e1a0f7aea3b4b41ab85cf31cb469aa8ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba9f611e244c3241c013db5105ff25e1a0f7aea3b4b41ab85cf31cb469aa8ed", kill_on_drop: false }`
[INFO] [stdout] 6ba9f611e244c3241c013db5105ff25e1a0f7aea3b4b41ab85cf31cb469aa8ed