[INFO] cloning repository https://github.com/berwyn/ferroboy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/berwyn/ferroboy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberwyn%2Fferroboy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberwyn%2Fferroboy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 300bad7aece3b4e93ee15f08865252509c2c94d2
[INFO] checking berwyn/ferroboy against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberwyn%2Fferroboy" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/berwyn/ferroboy on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/berwyn/ferroboy
[INFO] finished tweaking git repo https://github.com/berwyn/ferroboy
[INFO] tweaked toml for git repo https://github.com/berwyn/ferroboy written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/berwyn/ferroboy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eab8691aba9e7063a5363971c9ce0bf9b55f2a8f13f2059abef0ee9cc2fe3f9a
[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" "eab8691aba9e7063a5363971c9ce0bf9b55f2a8f13f2059abef0ee9cc2fe3f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eab8691aba9e7063a5363971c9ce0bf9b55f2a8f13f2059abef0ee9cc2fe3f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eab8691aba9e7063a5363971c9ce0bf9b55f2a8f13f2059abef0ee9cc2fe3f9a", kill_on_drop: false }`
[INFO] [stdout] eab8691aba9e7063a5363971c9ce0bf9b55f2a8f13f2059abef0ee9cc2fe3f9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] fe71cd9ed37867ca03b86eead8e9c5daae3c0e61e738de23d352bcd5636d1d41
[INFO] running `Command { std: "docker" "start" "-a" "fe71cd9ed37867ca03b86eead8e9c5daae3c0e61e738de23d352bcd5636d1d41", kill_on_drop: false }`
[INFO] [stderr] Compiling proc-macro2 v1.0.24
[INFO] [stderr] Compiling unicode-xid v0.2.1
[INFO] [stderr] Compiling syn v1.0.54
[INFO] [stderr] Checking once_cell v1.7.2
[INFO] [stderr] Compiling bitflags v1.2.1
[INFO] [stderr] Compiling byteorder v1.3.4
[INFO] [stderr] Checking ansi_term v0.12.1
[INFO] [stderr] Checking cfg-if v0.1.10
[INFO] [stderr] Compiling ryu v1.0.5
[INFO] [stderr] Checking itoa v0.4.6
[INFO] [stderr] Checking pico-args v0.4.0
[INFO] [stderr] Checking object v0.20.0
[INFO] [stderr] Checking rustc-demangle v0.1.16
[INFO] [stderr] Checking diff v0.1.12
[INFO] [stderr] Checking indenter v0.3.0
[INFO] [stderr] Checking tracing-core v0.1.14
[INFO] [stderr] Checking sharded-slab v0.0.9
[INFO] [stderr] Checking dirs v1.0.5
[INFO] [stderr] Checking atty v0.2.14
[INFO] [stderr] Checking libretro-sys v0.1.1
[INFO] [stderr] Checking eyre v0.6.5
[INFO] [stderr] Checking pretty_assertions v0.7.1
[INFO] [stderr] Checking libretro-backend v0.2.1
[INFO] [stderr] Checking tracing-subscriber v0.2.11
[INFO] [stderr] Checking regex-automata v0.1.9
[INFO] [stderr] Checking term v0.5.2
[INFO] [stderr] Compiling quote v1.0.7
[INFO] [stderr] Checking bstr v0.2.13
[INFO] [stderr] Checking csv v1.1.3
[INFO] [stderr] Checking backtrace v0.3.50
[INFO] [stderr] Checking prettytable-rs v0.8.0
[INFO] [stderr] Compiling thiserror-impl v1.0.24
[INFO] [stderr] Compiling tracing-attributes v0.1.11
[INFO] [stderr] Checking thiserror v1.0.24
[INFO] [stderr] Checking ferroboy v0.1.0 (/opt/rustwide/workdir/ferroboy)
[INFO] [stderr] Checking tracing v0.1.19
[INFO] [stdout] warning: field is never read: `cartridge`
[INFO] [stdout] --> ferroboy/src/system/mmu.rs:16:5
[INFO] [stdout] |
[INFO] [stdout] 16 | cartridge: Rc