[INFO] cloning repository https://github.com/hanmertens/angstros
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hanmertens/angstros" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanmertens%2Fangstros", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanmertens%2Fangstros'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 271d74debfbb666c950ed860ca9e9b79bfaf9855
[INFO] testing hanmertens/angstros against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanmertens%2Fangstros" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hanmertens/angstros 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] removed /workspace/builds/worker-1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/hanmertens/angstros
[INFO] finished tweaking git repo https://github.com/hanmertens/angstros
[INFO] tweaked toml for git repo https://github.com/hanmertens/angstros written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/hanmertens/angstros 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 47d5b102aef6b501c7625dd5397727021d9137749b65238f555a1369d8444060
[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" "47d5b102aef6b501c7625dd5397727021d9137749b65238f555a1369d8444060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47d5b102aef6b501c7625dd5397727021d9137749b65238f555a1369d8444060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d5b102aef6b501c7625dd5397727021d9137749b65238f555a1369d8444060", kill_on_drop: false }`
[INFO] [stdout] 47d5b102aef6b501c7625dd5397727021d9137749b65238f555a1369d8444060
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 56b40e8377f9eed35ff97ee92907b0d0764b814dad07824867c76db9e56ee107
[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" "56b40e8377f9eed35ff97ee92907b0d0764b814dad07824867c76db9e56ee107", kill_on_drop: false }`
[INFO] [stderr]    Compiling volatile v0.4.4
[INFO] [stderr]    Compiling x86_64 v0.14.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling sys v0.1.0 (/opt/rustwide/workdir/user/sys)
[INFO] [stderr]    Compiling zero v0.1.2
[INFO] [stderr]    Compiling spin v0.9.0
[INFO] [stderr]    Compiling owo-colors v2.0.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling xshell-macros v0.1.13
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling xmas-elf v0.7.0
[INFO] [stderr]    Compiling ucs2 v0.3.2
[INFO] [stderr]    Compiling os v0.1.0 (/opt/rustwide/workdir/user/os)
[INFO] [stderr]    Compiling screen v0.1.0 (/opt/rustwide/workdir/user/screen)
[INFO] [stderr]    Compiling dummy v0.1.0 (/opt/rustwide/workdir/user/dummy)
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `screen` 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" "56b40e8377f9eed35ff97ee92907b0d0764b814dad07824867c76db9e56ee107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56b40e8377f9eed35ff97ee92907b0d0764b814dad07824867c76db9e56ee107", kill_on_drop: false }`
[INFO] [stdout] 56b40e8377f9eed35ff97ee92907b0d0764b814dad07824867c76db9e56ee107