[INFO] cloning repository https://github.com/jameson-pi/list_math
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jameson-pi/list_math" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjameson-pi%2Flist_math", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjameson-pi%2Flist_math'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d649f67cd02a48b22c21e324cbd4c1970b20051
[INFO] checking jameson-pi/list_math against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjameson-pi%2Flist_math" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jameson-pi/list_math on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jameson-pi/list_math
[INFO] finished tweaking git repo https://github.com/jameson-pi/list_math
[INFO] tweaked toml for git repo https://github.com/jameson-pi/list_math written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/jameson-pi/list_math already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fd52584b6f2dc14339602a638983b172f1ac8e191f2752ef987b9061e3135ec
[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" "5fd52584b6f2dc14339602a638983b172f1ac8e191f2752ef987b9061e3135ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fd52584b6f2dc14339602a638983b172f1ac8e191f2752ef987b9061e3135ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fd52584b6f2dc14339602a638983b172f1ac8e191f2752ef987b9061e3135ec", kill_on_drop: false }`
[INFO] [stdout] 5fd52584b6f2dc14339602a638983b172f1ac8e191f2752ef987b9061e3135ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "RUSTUP_TOOLCHAIN=3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7b256f2e73dbd7d272c0f43dc90a22469b59202cad6cc507b86dbe0e8105612
[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" "f7b256f2e73dbd7d272c0f43dc90a22469b59202cad6cc507b86dbe0e8105612", kill_on_drop: false }`
[INFO] [stderr]     Checking list_math v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected attribute, found derive macro `PartialOrd`
[INFO] [stdout]  --> src/lib.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[PartialOrd]
[INFO] [stdout]   |   ^^^^^^^^^^ not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type parameter `x` should have an upper camel case name
[INFO] [stdout]  --> src/lib.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn largest<x>(list: &[x]) -> x {
[INFO] [stdout]   |                ^ help: convert the identifier to upper camel case (notice the capitalization): `X`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `>` cannot be applied to type `x`
[INFO] [stdout]  --> src/lib.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 |         if item > largest{
[INFO] [stdout]   |            ---- ^ ------- x
[INFO] [stdout]   |            |
[INFO] [stdout]   |            x
[INFO] [stdout]   |
[INFO] [stdout] help: consider restricting type parameter `x`
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn largest<x: std::cmp::PartialOrd>(list: &[x]) -> x {
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0369`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `list_math`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f7b256f2e73dbd7d272c0f43dc90a22469b59202cad6cc507b86dbe0e8105612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b256f2e73dbd7d272c0f43dc90a22469b59202cad6cc507b86dbe0e8105612", kill_on_drop: false }`
[INFO] [stdout] f7b256f2e73dbd7d272c0f43dc90a22469b59202cad6cc507b86dbe0e8105612