[INFO] cloning repository https://github.com/mindm/CaveRL
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mindm/CaveRL" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindm%2FCaveRL", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindm%2FCaveRL'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3d03ea93b87827ba9a0f273860b65ef7c610510
[INFO] testing mindm/CaveRL against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindm%2FCaveRL" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mindm/CaveRL on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mindm/CaveRL
[INFO] finished tweaking git repo https://github.com/mindm/CaveRL
[INFO] tweaked toml for git repo https://github.com/mindm/CaveRL written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/mindm/CaveRL already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools v0.7.6
[INFO] [stderr]   Downloaded tcod v0.12.1
[INFO] [stderr]   Downloaded tcod-sys v4.1.0
[INFO] [stderr]   Downloaded derive-new v0.5.0
[INFO] [stderr]   Downloaded recs v2.0.1
[INFO] [stderr]   Downloaded pathfinding v0.6.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4921d0788f8b5fd291714f6f6695e7b5528ff7d2696f63aa2ac2d3ba101edaa1
[INFO] running `Command { std: "docker" "start" "-a" "4921d0788f8b5fd291714f6f6695e7b5528ff7d2696f63aa2ac2d3ba101edaa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4921d0788f8b5fd291714f6f6695e7b5528ff7d2696f63aa2ac2d3ba101edaa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4921d0788f8b5fd291714f6f6695e7b5528ff7d2696f63aa2ac2d3ba101edaa1", kill_on_drop: false }`
[INFO] [stdout] 4921d0788f8b5fd291714f6f6695e7b5528ff7d2696f63aa2ac2d3ba101edaa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fd37d37680c370942176d7397cacfcbfe6b040029d926d6b12d0d8b1028b915
[INFO] running `Command { std: "docker" "start" "-a" "3fd37d37680c370942176d7397cacfcbfe6b040029d926d6b12d0d8b1028b915", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling num-traits v0.1.42
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling fixedbitset v0.1.8
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling recs v2.0.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling itertools v0.7.6
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling tcod-sys v4.1.0
[INFO] [stderr]    Compiling pathfinding v0.6.8
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pathfinding-0.6.8/src/connected_components.rs:106:18
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 .flatten()
[INFO] [stdout]     |                  ^^^^^^^ multiple `flatten` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `Itertools` for the type `T`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `Iterator` for the type `Map<I, F>`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 104 ~             Itertools::flatten(gs.into_iter()
[INFO] [stdout] 105 +                 .map(|(i, _)| groups[i].clone()))
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 104 ~             Iterator::flatten(gs.into_iter()
[INFO] [stdout] 105 +                 .map(|(i, _)| groups[i].clone()))
[INFO] [stdout]     |
[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 E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pathfinding` 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" "3fd37d37680c370942176d7397cacfcbfe6b040029d926d6b12d0d8b1028b915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd37d37680c370942176d7397cacfcbfe6b040029d926d6b12d0d8b1028b915", kill_on_drop: false }`
[INFO] [stdout] 3fd37d37680c370942176d7397cacfcbfe6b040029d926d6b12d0d8b1028b915