[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 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgeene%2Fstatistics" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dgeene/statistics on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-14/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f99624f774a1013c1af58005732527b0bb0ee3f3606d593b57b9489614d6d1f7
[INFO] running `Command { std: "docker" "start" "-a" "f99624f774a1013c1af58005732527b0bb0ee3f3606d593b57b9489614d6d1f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f99624f774a1013c1af58005732527b0bb0ee3f3606d593b57b9489614d6d1f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99624f774a1013c1af58005732527b0bb0ee3f3606d593b57b9489614d6d1f7", kill_on_drop: false }`
[INFO] [stdout] f99624f774a1013c1af58005732527b0bb0ee3f3606d593b57b9489614d6d1f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b56b043c6961ee51f1cb176c46007bcf49bd34ba670622435990b93eca7dded7
[INFO] running `Command { std: "docker" "start" "-a" "b56b043c6961ee51f1cb176c46007bcf49bd34ba670622435990b93eca7dded7", kill_on_drop: false }`
[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` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "b56b043c6961ee51f1cb176c46007bcf49bd34ba670622435990b93eca7dded7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b56b043c6961ee51f1cb176c46007bcf49bd34ba670622435990b93eca7dded7", kill_on_drop: false }`
[INFO] [stdout] b56b043c6961ee51f1cb176c46007bcf49bd34ba670622435990b93eca7dded7