[INFO] updating cached repository https://github.com/wgreenberg/rs-git
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f674ee8f59e2eb54efa6f13f74804f2d7e924e5f
[INFO] testing wgreenberg/rs-git against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwgreenberg%2Frs-git" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wgreenberg/rs-git on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wgreenberg/rs-git
[INFO] finished tweaking git repo https://github.com/wgreenberg/rs-git
[INFO] tweaked toml for git repo https://github.com/wgreenberg/rs-git written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/wgreenberg/rs-git already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9faa54bd9c34b70da3053bf8c56ba906c218ba80d9e7a01059ef3fa500822f48
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9faa54bd9c34b70da3053bf8c56ba906c218ba80d9e7a01059ef3fa500822f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9faa54bd9c34b70da3053bf8c56ba906c218ba80d9e7a01059ef3fa500822f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9faa54bd9c34b70da3053bf8c56ba906c218ba80d9e7a01059ef3fa500822f48", kill_on_drop: false }`
[INFO] [stdout] 9faa54bd9c34b70da3053bf8c56ba906c218ba80d9e7a01059ef3fa500822f48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3488d490dbf8a92a10bce7e69de6e414c07489e05f589e9aae54da6650917d2a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3488d490dbf8a92a10bce7e69de6e414c07489e05f589e9aae54da6650917d2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling rs-git v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Tree`
[INFO] [stdout]   --> src/repo.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let tree = Tree::new(entries);
[INFO] [stdout]    |                    ^^^^ use of undeclared type or module `Tree`
[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 E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rs-git`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3488d490dbf8a92a10bce7e69de6e414c07489e05f589e9aae54da6650917d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3488d490dbf8a92a10bce7e69de6e414c07489e05f589e9aae54da6650917d2a", kill_on_drop: false }`
[INFO] [stdout] 3488d490dbf8a92a10bce7e69de6e414c07489e05f589e9aae54da6650917d2a