[INFO] cloning repository https://github.com/felipesere/dotter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/felipesere/dotter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelipesere%2Fdotter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelipesere%2Fdotter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 123bf7f90bbc280d4cd9513fd328b199fe32cd22
[INFO] testing felipesere/dotter against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelipesere%2Fdotter" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/felipesere/dotter on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/felipesere/dotter
[INFO] finished tweaking git repo https://github.com/felipesere/dotter
[INFO] tweaked toml for git repo https://github.com/felipesere/dotter written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/felipesere/dotter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.77
[INFO] [stderr]   Downloaded proc-macro2 v0.4.18
[INFO] [stderr]   Downloaded tokio-codec v0.1.0
[INFO] [stderr]   Downloaded tokio-io v0.1.8
[INFO] [stderr]   Downloaded phf_codegen v0.7.23
[INFO] [stderr]   Downloaded build_const v0.2.1
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.1
[INFO] [stderr]   Downloaded tokio-timer v0.2.6
[INFO] [stderr]   Downloaded nodrop v0.1.12
[INFO] [stderr]   Downloaded phf v0.7.23
[INFO] [stderr]   Downloaded native-tls v0.2.1
[INFO] [stderr]   Downloaded mime v0.3.9
[INFO] [stderr]   Downloaded synstructure v0.9.0
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded string v0.1.1
[INFO] [stderr]   Downloaded httparse v1.3.2
[INFO] [stderr]   Downloaded failure_derive v0.1.2
[INFO] [stderr]   Downloaded http v0.1.13
[INFO] [stderr]   Downloaded hyper v0.12.10
[INFO] [stderr]   Downloaded security-framework v0.2.1
[INFO] [stderr]   Downloaded tokio-uds v0.2.1
[INFO] [stderr]   Downloaded failure v0.1.2
[INFO] [stderr]   Downloaded encoding_rs v0.8.6
[INFO] [stderr]   Downloaded security-framework-sys v0.2.1
[INFO] [stderr]   Downloaded lock_api v0.1.3
[INFO] [stderr]   Downloaded git-version v0.2.1
[INFO] [stderr]   Downloaded tokio-reactor v0.1.5
[INFO] [stderr]   Downloaded hyper-tls v0.3.0
[INFO] [stderr]   Downloaded crc v1.8.1
[INFO] [stderr]   Downloaded tokio-tcp v0.1.1
[INFO] [stderr]   Downloaded h2 v0.1.12
[INFO] [stderr]   Downloaded libflate v0.1.16
[INFO] [stderr]   Downloaded unicase v2.1.0
[INFO] [stderr]   Downloaded schannel v0.1.13
[INFO] [stderr]   Downloaded futures v0.1.24
[INFO] [stderr]   Downloaded tokio-executor v0.1.4
[INFO] [stderr]   Downloaded tokio-fs v0.1.3
[INFO] [stderr]   Downloaded uuid v0.7.1
[INFO] [stderr]   Downloaded serde_derive v1.0.77
[INFO] [stderr]   Downloaded tempfile v3.0.3
[INFO] [stderr]   Downloaded syn v0.15.1
[INFO] [stderr]   Downloaded phf_shared v0.7.23
[INFO] [stderr]   Downloaded tokio v0.1.8
[INFO] [stderr]   Downloaded indexmap v1.0.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.36
[INFO] [stderr]   Downloaded openssl v0.10.12
[INFO] [stderr]   Downloaded serde_urlencoded v0.5.3
[INFO] [stderr]   Downloaded phf_generator v0.7.23
[INFO] [stderr]   Downloaded log v0.4.5
[INFO] [stderr]   Downloaded crossbeam-deque v0.6.1
[INFO] [stderr]   Downloaded url v1.7.1
[INFO] [stderr]   Downloaded reqwest v0.9.1
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.6
[INFO] [stderr]   Downloaded serde_json v1.0.27
[INFO] [stderr]   Downloaded rand_core v0.2.1
[INFO] [stderr]   Downloaded symlink v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bc97279f278fe0304a20e683a974ff280326f5ecf83bc83b055d60996eb46ff
[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" "0bc97279f278fe0304a20e683a974ff280326f5ecf83bc83b055d60996eb46ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bc97279f278fe0304a20e683a974ff280326f5ecf83bc83b055d60996eb46ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc97279f278fe0304a20e683a974ff280326f5ecf83bc83b055d60996eb46ff", kill_on_drop: false }`
[INFO] [stdout] 0bc97279f278fe0304a20e683a974ff280326f5ecf83bc83b055d60996eb46ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48967da9dc5f10371516ee2b1fc357de8a188f441128955bf5729c74a21b6dc4
[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" "48967da9dc5f10371516ee2b1fc357de8a188f441128955bf5729c74a21b6dc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.18
[INFO] [stderr]    Compiling openssl v0.10.12
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]    Compiling git-version v0.2.1
[INFO] [stderr]    Compiling symlink v0.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.36
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling tempfile v3.0.3
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.27
[INFO] [stderr]    Compiling h2 v0.1.12
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling serde_urlencoded v0.5.3
[INFO] [stderr]    Compiling tokio-threadpool v0.1.6
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling dotter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling tokio-reactor v0.1.5
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling tokio-tcp v0.1.1
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio-uds v0.2.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.1
[INFO] [stderr]    Compiling tokio v0.1.8
[INFO] [stderr]    Compiling hyper v0.12.10
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling hyper-tls v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.77
[INFO] [stderr]    Compiling reqwest v0.9.1
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:68:36
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let group = inv.group(name.as_ref()).expect("did not find group.");
[INFO] [stdout]    |                               -----^^^^^^--
[INFO] [stdout]    |                               |    |
[INFO] [stdout]    |                               |    cannot infer type for type parameter `T` declared on the trait `AsRef`
[INFO] [stdout]    |                               this method call resolves to `&T`
[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 E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dotter` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "48967da9dc5f10371516ee2b1fc357de8a188f441128955bf5729c74a21b6dc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48967da9dc5f10371516ee2b1fc357de8a188f441128955bf5729c74a21b6dc4", kill_on_drop: false }`
[INFO] [stdout] 48967da9dc5f10371516ee2b1fc357de8a188f441128955bf5729c74a21b6dc4