[INFO] cloning repository https://github.com/cberner/depsrs-bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cberner/depsrs-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcberner%2Fdepsrs-bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcberner%2Fdepsrs-bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45244106666394de15dd7268630b478da1c8ed3f
[INFO] testing cberner/depsrs-bug against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcberner%2Fdepsrs-bug" "/workspace/builds/worker-43/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cberner/depsrs-bug on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cberner/depsrs-bug
[INFO] finished tweaking git repo https://github.com/cberner/depsrs-bug
[INFO] tweaked toml for git repo https://github.com/cberner/depsrs-bug written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate git repo https://github.com/cberner/depsrs-bug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8261ec54be40fd4049e9f1574087be2ab8fe39a839a248e04ca42d32ce489f30
[INFO] running `Command { std: "docker" "start" "-a" "8261ec54be40fd4049e9f1574087be2ab8fe39a839a248e04ca42d32ce489f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8261ec54be40fd4049e9f1574087be2ab8fe39a839a248e04ca42d32ce489f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8261ec54be40fd4049e9f1574087be2ab8fe39a839a248e04ca42d32ce489f30", kill_on_drop: false }`
[INFO] [stdout] 8261ec54be40fd4049e9f1574087be2ab8fe39a839a248e04ca42d32ce489f30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77ae3ff59a6e81c593c553741f46596f11169c1e8101e7f3f082c4885c3bd5f7
[INFO] running `Command { std: "docker" "start" "-a" "77ae3ff59a6e81c593c553741f46596f11169c1e8101e7f3f082c4885c3bd5f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling protobuf v2.24.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling protobuf-build v0.12.3
[INFO] [stdout] error[E0599]: no method named `generate_files` found for reference `&Builder` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-build-0.12.3/src/lib.rs:64:14
[INFO] [stdout]    |
[INFO] [stdout] 64 |         self.generate_files();
[INFO] [stdout]    |              ^^^^^^^^^^^^^^ method not found in `&Builder`
[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 E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `protobuf-build` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "77ae3ff59a6e81c593c553741f46596f11169c1e8101e7f3f082c4885c3bd5f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77ae3ff59a6e81c593c553741f46596f11169c1e8101e7f3f082c4885c3bd5f7", kill_on_drop: false }`
[INFO] [stdout] 77ae3ff59a6e81c593c553741f46596f11169c1e8101e7f3f082c4885c3bd5f7