[INFO] cloning repository https://github.com/3541/syzygy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/3541/syzygy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3541%2Fsyzygy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3541%2Fsyzygy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8d60e373263367f165fd9d49d77a0f1fb8b4631
[INFO] testing 3541/syzygy against master#d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d for pr-83796
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3541%2Fsyzygy" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/3541/syzygy on toolchain d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/3541/syzygy
[INFO] finished tweaking git repo https://github.com/3541/syzygy
[INFO] tweaked toml for git repo https://github.com/3541/syzygy written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/3541/syzygy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ansi_rgb v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcc43c38da108b0f544bee755dae7ec87bee873f923e4b86878ca3d19aa19a4f
[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" "dcc43c38da108b0f544bee755dae7ec87bee873f923e4b86878ca3d19aa19a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcc43c38da108b0f544bee755dae7ec87bee873f923e4b86878ca3d19aa19a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcc43c38da108b0f544bee755dae7ec87bee873f923e4b86878ca3d19aa19a4f", kill_on_drop: false }`
[INFO] [stdout] dcc43c38da108b0f544bee755dae7ec87bee873f923e4b86878ca3d19aa19a4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "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] 6aa461ea371d872a9417a05b686cacbb7456f3b52813f8cf17be97cb0bc58c9b
[INFO] running `Command { std: "docker" "start" "-a" "6aa461ea371d872a9417a05b686cacbb7456f3b52813f8cf17be97cb0bc58c9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syzygy_kernel v0.1.0-alpha.2 (/opt/rustwide/workdir/kernel)
[INFO] [stderr]    Compiling cfg-if v1.0.0
[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 `syzygy_kernel`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6aa461ea371d872a9417a05b686cacbb7456f3b52813f8cf17be97cb0bc58c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aa461ea371d872a9417a05b686cacbb7456f3b52813f8cf17be97cb0bc58c9b", kill_on_drop: false }`
[INFO] [stdout] 6aa461ea371d872a9417a05b686cacbb7456f3b52813f8cf17be97cb0bc58c9b