[INFO] cloning repository https://github.com/kb10uy/KNISA
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kb10uy/KNISA" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkb10uy%2FKNISA", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkb10uy%2FKNISA'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b9d178b395348903c0e5630f65ee01a5a2d9bec
[INFO] testing kb10uy/KNISA against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkb10uy%2FKNISA" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kb10uy/KNISA on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kb10uy/KNISA
[INFO] finished tweaking git repo https://github.com/kb10uy/KNISA
[INFO] tweaked toml for git repo https://github.com/kb10uy/KNISA written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/kb10uy/KNISA already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b221279ba7c3a47c07f980fe7c4454a036bf82981e205ebc97e574958ad3df89
[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" "b221279ba7c3a47c07f980fe7c4454a036bf82981e205ebc97e574958ad3df89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b221279ba7c3a47c07f980fe7c4454a036bf82981e205ebc97e574958ad3df89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b221279ba7c3a47c07f980fe7c4454a036bf82981e205ebc97e574958ad3df89", kill_on_drop: false }`
[INFO] [stdout] b221279ba7c3a47c07f980fe7c4454a036bf82981e205ebc97e574958ad3df89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--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] 1861fe69a152e4dd176a7266dcb1684041e00eb6a34bbbc4032fa5d60ade7af7
[INFO] running `Command { std: "docker" "start" "-a" "1861fe69a152e4dd176a7266dcb1684041e00eb6a34bbbc4032fa5d60ade7af7", kill_on_drop: false }`
[INFO] [stderr]    Compiling knisasim v0.1.0 (/opt/rustwide/workdir/knisasim)
[INFO] [stderr]    Compiling bitvec v0.17.3
[INFO] [stderr]    Compiling libknisa v0.1.0 (/opt/rustwide/workdir/libknisa)
[INFO] [stdout] error: this arithmetic operation will overflow
[INFO] [stdout]   --> libknisa/src/machine.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         (self.register[31] << 8) as u16 | self.register[30] as u16
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ attempt to shift left by `8_i32`, which would overflow
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(arithmetic_overflow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libknisa` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "1861fe69a152e4dd176a7266dcb1684041e00eb6a34bbbc4032fa5d60ade7af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1861fe69a152e4dd176a7266dcb1684041e00eb6a34bbbc4032fa5d60ade7af7", kill_on_drop: false }`
[INFO] [stdout] 1861fe69a152e4dd176a7266dcb1684041e00eb6a34bbbc4032fa5d60ade7af7