[INFO] cloning repository https://github.com/Richard-W/higherhalf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Richard-W/higherhalf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRichard-W%2Fhigherhalf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRichard-W%2Fhigherhalf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2f3b3703454f8091d530890f4719875e3a46806
[INFO] testing Richard-W/higherhalf against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRichard-W%2Fhigherhalf" "/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/Richard-W/higherhalf on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Richard-W/higherhalf
[INFO] finished tweaking git repo https://github.com/Richard-W/higherhalf
[INFO] tweaked toml for git repo https://github.com/Richard-W/higherhalf written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Richard-W/higherhalf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zero v0.1.2
[INFO] [stderr]   Downloaded bit_field v0.10.1
[INFO] [stderr]   Downloaded xmas-elf v0.6.2
[INFO] [stderr]   Downloaded font8x8 v0.2.5
[INFO] [stderr]   Downloaded mmu v0.1.0
[INFO] [stderr]   Downloaded ucs2 v0.3.1
[INFO] [stderr]   Downloaded r-efi v3.1.0
[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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a0e9524250fd3b9cf61837c18205ee8e48c6d12f8d6806c3278eecbbb8114c1
[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" "7a0e9524250fd3b9cf61837c18205ee8e48c6d12f8d6806c3278eecbbb8114c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a0e9524250fd3b9cf61837c18205ee8e48c6d12f8d6806c3278eecbbb8114c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a0e9524250fd3b9cf61837c18205ee8e48c6d12f8d6806c3278eecbbb8114c1", kill_on_drop: false }`
[INFO] [stdout] 7a0e9524250fd3b9cf61837c18205ee8e48c6d12f8d6806c3278eecbbb8114c1
[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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c2b95be230b7412157d9eafc4ac70385e575ba6c7b0cfb04fba663d4c5ecce2
[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" "6c2b95be230b7412157d9eafc4ac70385e575ba6c7b0cfb04fba663d4c5ecce2", kill_on_drop: false }`
[INFO] [stderr]    Compiling r-efi v3.1.0
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling font8x8 v0.2.5
[INFO] [stderr]    Compiling mmu v0.1.0
[INFO] [stderr]    Compiling zero v0.1.2
[INFO] [stderr]    Compiling xmas-elf v0.6.2
[INFO] [stderr]    Compiling ucs2 v0.3.1
[INFO] [stderr]    Compiling efw v0.2.0 (https://github.com/richard-w/efw?branch=master#61bed3a2)
[INFO] [stderr]    Compiling common v0.0.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]    Compiling kernel v0.0.0 (/opt/rustwide/workdir/kernel)
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kernel` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6c2b95be230b7412157d9eafc4ac70385e575ba6c7b0cfb04fba663d4c5ecce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c2b95be230b7412157d9eafc4ac70385e575ba6c7b0cfb04fba663d4c5ecce2", kill_on_drop: false }`
[INFO] [stdout] 6c2b95be230b7412157d9eafc4ac70385e575ba6c7b0cfb04fba663d4c5ecce2