[INFO] cloning repository https://github.com/dgeene/statistics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dgeene/statistics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgeene%2Fstatistics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgeene%2Fstatistics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19d0ff86d4aa973f6ee7b7a5619f01b91c2aac07
[INFO] testing dgeene/statistics against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgeene%2Fstatistics" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dgeene/statistics 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/dgeene/statistics
[INFO] finished tweaking git repo https://github.com/dgeene/statistics
[INFO] tweaked toml for git repo https://github.com/dgeene/statistics written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/dgeene/statistics 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5db13b1ca705743f05a76db049d8695962f286123583995cd0493d34bd6e16f5
[INFO] running `Command { std: "docker" "start" "-a" "5db13b1ca705743f05a76db049d8695962f286123583995cd0493d34bd6e16f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5db13b1ca705743f05a76db049d8695962f286123583995cd0493d34bd6e16f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db13b1ca705743f05a76db049d8695962f286123583995cd0493d34bd6e16f5", kill_on_drop: false }`
[INFO] [stdout] 5db13b1ca705743f05a76db049d8695962f286123583995cd0493d34bd6e16f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 2d24809ee0ca2d314e406798644546fd2df2e92b60677059e08effa846f3e83a
[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" "2d24809ee0ca2d314e406798644546fd2df2e92b60677059e08effa846f3e83a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling statistics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |         if val < elem {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  expected `i32`, found `&i32`
[INFO] [stdout]    |                  help: consider dereferencing the borrow: `*elem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |             val = elem;
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   expected `i32`, found `&i32`
[INFO] [stdout]    |                   help: consider dereferencing the borrow: `*elem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `statistics`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "2d24809ee0ca2d314e406798644546fd2df2e92b60677059e08effa846f3e83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d24809ee0ca2d314e406798644546fd2df2e92b60677059e08effa846f3e83a", kill_on_drop: false }`
[INFO] [stdout] 2d24809ee0ca2d314e406798644546fd2df2e92b60677059e08effa846f3e83a