[INFO] fetching crate mock_derive 0.8.0...
[INFO] testing mock_derive-0.8.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mock_derive 0.8.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate mock_derive 0.8.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-18/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: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfa7a6d7f705345525acda82c6d113eb16a63459c2948d88b4639666df7b9d79
[INFO] running `Command { std: "docker" "start" "-a" "dfa7a6d7f705345525acda82c6d113eb16a63459c2948d88b4639666df7b9d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfa7a6d7f705345525acda82c6d113eb16a63459c2948d88b4639666df7b9d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfa7a6d7f705345525acda82c6d113eb16a63459c2948d88b4639666df7b9d79", kill_on_drop: false }`
[INFO] [stdout] dfa7a6d7f705345525acda82c6d113eb16a63459c2948d88b4639666df7b9d79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2defc67e098e89d94f49c0817b2fe51586a8928af286f547ebd7673c69e20340
[INFO] running `Command { std: "docker" "start" "-a" "2defc67e098e89d94f49c0817b2fe51586a8928af286f547ebd7673c69e20340", 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] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling mock_derive v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.28s
[INFO] running `Command { std: "docker" "inspect" "2defc67e098e89d94f49c0817b2fe51586a8928af286f547ebd7673c69e20340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2defc67e098e89d94f49c0817b2fe51586a8928af286f547ebd7673c69e20340", kill_on_drop: false }`
[INFO] [stdout] 2defc67e098e89d94f49c0817b2fe51586a8928af286f547ebd7673c69e20340
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba1a7206ccabcd304ac4ebe0a8ab8c9ba43f87fceced3e00b27c527cf130a9bd
[INFO] running `Command { std: "docker" "start" "-a" "ba1a7206ccabcd304ac4ebe0a8ab8c9ba43f87fceced3e00b27c527cf130a9bd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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] [stderr] error: could not compile `mock_derive` due to 2 previous errors
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mock_derive` due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[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] [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 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` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ba1a7206ccabcd304ac4ebe0a8ab8c9ba43f87fceced3e00b27c527cf130a9bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba1a7206ccabcd304ac4ebe0a8ab8c9ba43f87fceced3e00b27c527cf130a9bd", kill_on_drop: false }`
[INFO] [stdout] ba1a7206ccabcd304ac4ebe0a8ab8c9ba43f87fceced3e00b27c527cf130a9bd