[INFO] cloning repository https://github.com/esposm03/test-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/esposm03/test-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesposm03%2Ftest-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesposm03%2Ftest-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4472052303fa70384e616142e751aa910857834
[INFO] testing esposm03/test-os against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesposm03%2Ftest-os" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/esposm03/test-os on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-20/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/esposm03/test-os
[INFO] finished tweaking git repo https://github.com/esposm03/test-os
[INFO] tweaked toml for git repo https://github.com/esposm03/test-os written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/esposm03/test-os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f4b26343276c71e83a748b92db5af4eefcab8f8630c595eb4e2e840eade71ee
[INFO] running `Command { std: "docker" "start" "-a" "7f4b26343276c71e83a748b92db5af4eefcab8f8630c595eb4e2e840eade71ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f4b26343276c71e83a748b92db5af4eefcab8f8630c595eb4e2e840eade71ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f4b26343276c71e83a748b92db5af4eefcab8f8630c595eb4e2e840eade71ee", kill_on_drop: false }`
[INFO] [stdout] 7f4b26343276c71e83a748b92db5af4eefcab8f8630c595eb4e2e840eade71ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7616ddad98c80eb523c79a791310b828418f0a1ebc80085f6554e5deba15f469
[INFO] running `Command { std: "docker" "start" "-a" "7616ddad98c80eb523c79a791310b828418f0a1ebc80085f6554e5deba15f469", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling x86_64 v0.14.2
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling volatile v0.4.4
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling bootloader v0.9.17
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling spin v0.7.1
[INFO] [stderr]    Compiling pc-keyboard v0.5.1
[INFO] [stderr]    Compiling volatile v0.2.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling spinning_top v0.2.4
[INFO] [stderr]    Compiling linked_list_allocator v0.9.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling types v0.1.0 (/opt/rustwide/workdir/types)
[INFO] [stderr]    Compiling uart_16550 v0.2.14
[INFO] [stderr]    Compiling pic8259 v0.10.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling enumflags2_derive v0.7.0
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]    Compiling derive-try-from-primitive v1.0.0
[INFO] [stderr]    Compiling custom_debug_derive v0.5.0
[INFO] [stderr]    Compiling displaydoc v0.2.1
[INFO] [stderr]    Compiling enumflags2 v0.7.1
[INFO] [stderr]    Compiling kernel v0.1.0 (/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] running `Command { std: "docker" "inspect" "7616ddad98c80eb523c79a791310b828418f0a1ebc80085f6554e5deba15f469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7616ddad98c80eb523c79a791310b828418f0a1ebc80085f6554e5deba15f469", kill_on_drop: false }`
[INFO] [stdout] 7616ddad98c80eb523c79a791310b828418f0a1ebc80085f6554e5deba15f469