[INFO] cloning repository https://github.com/anmej/piston-falling-sand-prototype
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anmej/piston-falling-sand-prototype" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanmej%2Fpiston-falling-sand-prototype", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanmej%2Fpiston-falling-sand-prototype'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebc31d2bae842874c9a2c558ddffbb65063e8d6a
[INFO] testing anmej/piston-falling-sand-prototype against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanmej%2Fpiston-falling-sand-prototype" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anmej/piston-falling-sand-prototype on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anmej/piston-falling-sand-prototype
[INFO] finished tweaking git repo https://github.com/anmej/piston-falling-sand-prototype
[INFO] tweaked toml for git repo https://github.com/anmej/piston-falling-sand-prototype written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/anmej/piston-falling-sand-prototype already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7309e03f5ae0bd614e9558f702527314badf8fd07106215d7888feb992fc89b
[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" "a7309e03f5ae0bd614e9558f702527314badf8fd07106215d7888feb992fc89b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7309e03f5ae0bd614e9558f702527314badf8fd07106215d7888feb992fc89b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7309e03f5ae0bd614e9558f702527314badf8fd07106215d7888feb992fc89b", kill_on_drop: false }`
[INFO] [stdout] a7309e03f5ae0bd614e9558f702527314badf8fd07106215d7888feb992fc89b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d17fa98e4d9601f0e7c4f272acf3a8d79d6c7ca3a03cf56b35f7de738a6da2ea
[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" "d17fa98e4d9601f0e7c4f272acf3a8d79d6c7ca3a03cf56b35f7de738a6da2ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.24
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling futures v0.1.14
[INFO] [stderr]    Compiling adler32 v1.0.0
[INFO] [stderr]    Compiling inflate v0.2.0
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling gl_generator v0.5.3
[INFO] [stderr]    Compiling wayland-scanner v0.8.7
[INFO] [stderr]    Compiling tempfile v2.1.5
[INFO] [stderr]    Compiling draw_state v0.7.1
[INFO] [stderr]    Compiling pistoncore-input v0.18.0
[INFO] [stderr]    Compiling rusttype v0.2.1
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling deflate v0.7.11
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num_cpus v1.5.1
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling shared_library v0.1.5
[INFO] [stderr]    Compiling pistoncore-window v0.27.0
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling num-integer v0.1.34
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-client v0.8.7
[INFO] [stderr]    Compiling pistoncore-event_loop v0.32.0
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stdout] error[E0311]: the parameter type `K` may not live long enough
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.1/src/support/bst/map.rs:81:19
[INFO] [stdout]    |
[INFO] [stdout] 81 |             match node.force() {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the parameter type `K` must be valid for the anonymous lifetime #1 defined on the function body at 77:9...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.1/src/support/bst/map.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | /         fn clone_subtree<K: Clone, V: Clone>(
[INFO] [stdout] 78 | |                 node: node::NodeRef<marker::Immut, K, V, marker::LeafOrInternal>)
[INFO] [stdout] 79 | |                 -> BTreeMap<K, V> {
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0311]: the parameter type `V` may not live long enough
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.1/src/support/bst/map.rs:81:19
[INFO] [stdout]    |
[INFO] [stdout] 81 |             match node.force() {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the parameter type `V` must be valid for the anonymous lifetime #1 defined on the function body at 77:9...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.1/src/support/bst/map.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | /         fn clone_subtree<K: Clone, V: Clone>(
[INFO] [stdout] 78 | |                 node: node::NodeRef<marker::Immut, K, V, marker::LeafOrInternal>)
[INFO] [stdout] 79 | |                 -> BTreeMap<K, V> {
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-rational v0.1.38
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusttype`
[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" "d17fa98e4d9601f0e7c4f272acf3a8d79d6c7ca3a03cf56b35f7de738a6da2ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d17fa98e4d9601f0e7c4f272acf3a8d79d6c7ca3a03cf56b35f7de738a6da2ea", kill_on_drop: false }`
[INFO] [stdout] d17fa98e4d9601f0e7c4f272acf3a8d79d6c7ca3a03cf56b35f7de738a6da2ea