[INFO] cloning repository https://github.com/bot984397/5150
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bot984397/5150" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbot984397%2F5150", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbot984397%2F5150'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31320a3bb603475f52e4dea10fa372657370cadd
[INFO] testing bot984397/5150 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbot984397%2F5150" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bot984397/5150
[INFO] finished tweaking git repo https://github.com/bot984397/5150
[INFO] tweaked toml for git repo https://github.com/bot984397/5150 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bot984397/5150 on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bot984397/5150 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5845e1128101cb191c654ac8682fdc1e416596fe04ab9af358e16c51659b0ddd
[INFO] running `Command { std: "docker" "start" "-a" "5845e1128101cb191c654ac8682fdc1e416596fe04ab9af358e16c51659b0ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5845e1128101cb191c654ac8682fdc1e416596fe04ab9af358e16c51659b0ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5845e1128101cb191c654ac8682fdc1e416596fe04ab9af358e16c51659b0ddd", kill_on_drop: false }`
[INFO] [stdout] 5845e1128101cb191c654ac8682fdc1e416596fe04ab9af358e16c51659b0ddd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 284d691603bbb0cc679908b047119854b4391ef9068e9ed51edeba1a7b843be1
[INFO] running `Command { std: "docker" "start" "-a" "284d691603bbb0cc679908b047119854b4391ef9068e9ed51edeba1a7b843be1", kill_on_drop: false }`
[INFO] [stderr]    Compiling ibm_5150_emu v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `u20` should have an upper camel case name
[INFO] [stdout]  --> src/ext/prim.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct u20 {
[INFO] [stdout]   |            ^^^ help: convert the identifier to upper camel case (notice the capitalization): `U20`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cpu::cycle::TState`
[INFO] [stdout]  --> src/cpu/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     cpu::cycle::TState
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `maybe_uninit_uninit_array`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(maybe_uninit_uninit_array)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/core/bus.rs:45:30
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn read_8(&mut self, addr:usize) -> Result<u8, BusMemoryError> {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ibm_5150_emu` (bin "ibm_5150_emu") due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "284d691603bbb0cc679908b047119854b4391ef9068e9ed51edeba1a7b843be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "284d691603bbb0cc679908b047119854b4391ef9068e9ed51edeba1a7b843be1", kill_on_drop: false }`
[INFO] [stdout] 284d691603bbb0cc679908b047119854b4391ef9068e9ed51edeba1a7b843be1