[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] checking cberner/depsrs-bug against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcberner%2Fdepsrs-bug" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cberner/depsrs-bug on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-4/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" "+90442458ac46b1d5eed752c316da25450f67285b" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49a1c4cf98cafa8e55edeaa97037ce7c61ce49e99d5c854d3ec4cbf9dbd93a9c
[INFO] running `Command { std: "docker" "start" "-a" "49a1c4cf98cafa8e55edeaa97037ce7c61ce49e99d5c854d3ec4cbf9dbd93a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49a1c4cf98cafa8e55edeaa97037ce7c61ce49e99d5c854d3ec4cbf9dbd93a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49a1c4cf98cafa8e55edeaa97037ce7c61ce49e99d5c854d3ec4cbf9dbd93a9c", kill_on_drop: false }`
[INFO] [stdout] 49a1c4cf98cafa8e55edeaa97037ce7c61ce49e99d5c854d3ec4cbf9dbd93a9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8162dc8932ef9d38db64b726c3e3dba2bb69dbaa9d3b5d7d0f963fd5af5dfb0
[INFO] running `Command { std: "docker" "start" "-a" "e8162dc8932ef9d38db64b726c3e3dba2bb69dbaa9d3b5d7d0f963fd5af5dfb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling protobuf v2.24.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[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] [stderr] error: could not compile `protobuf-build`
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e8162dc8932ef9d38db64b726c3e3dba2bb69dbaa9d3b5d7d0f963fd5af5dfb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8162dc8932ef9d38db64b726c3e3dba2bb69dbaa9d3b5d7d0f963fd5af5dfb0", kill_on_drop: false }`
[INFO] [stdout] e8162dc8932ef9d38db64b726c3e3dba2bb69dbaa9d3b5d7d0f963fd5af5dfb0