[INFO] cloning repository https://github.com/nobbele/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/nobbele/test_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnobbele%2Ftest_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnobbele%2Ftest_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a6483700c196f5b1d1ca1a36cb2f8f6cdb4e6b8
[INFO] checking nobbele/test_os against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnobbele%2Ftest_os" "/workspace/builds/worker-62/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nobbele/test_os on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-62/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-62/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/nobbele/test_os
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/nobbele/test_os
[INFO] tweaked toml for git repo https://github.com/nobbele/test_os written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate git repo https://github.com/nobbele/test_os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--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 bit_field v0.10.1
[INFO] [stderr]   Downloaded pic8259 v0.10.2
[INFO] [stderr]   Downloaded x86_64 v0.14.6
[INFO] [stderr]   Downloaded bootloader v0.9.19
[INFO] [stderr]   Downloaded linked_list_allocator v0.9.1
[INFO] [stderr]   Downloaded uart_16550 v0.2.15
[INFO] [stderr]   Downloaded volatile v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40c8f0233b0d0d21319bf6fdebe1ddb32e4e0389f1e077f73399c462622ad5d6
[INFO] running `Command { std: "docker" "start" "-a" "40c8f0233b0d0d21319bf6fdebe1ddb32e4e0389f1e077f73399c462622ad5d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40c8f0233b0d0d21319bf6fdebe1ddb32e4e0389f1e077f73399c462622ad5d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40c8f0233b0d0d21319bf6fdebe1ddb32e4e0389f1e077f73399c462622ad5d6", kill_on_drop: false }`
[INFO] [stdout] 40c8f0233b0d0d21319bf6fdebe1ddb32e4e0389f1e077f73399c462622ad5d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60a10e455dde4402e62daea9da180b5bbd1900f11b89bc3d0a1a70e9782c19f9
[INFO] running `Command { std: "docker" "start" "-a" "60a10e455dde4402e62daea9da180b5bbd1900f11b89bc3d0a1a70e9782c19f9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling x86_64 v0.14.6
[INFO] [stderr]     Checking volatile v0.4.4
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]    Compiling bootloader v0.9.19
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking pc-keyboard v0.5.1
[INFO] [stderr]     Checking volatile v0.3.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking linked_list_allocator v0.9.1
[INFO] [stderr]     Checking pic8259 v0.10.2
[INFO] [stderr]     Checking uart_16550 v0.2.15
[INFO] [stderr]     Checking test_os v0.1.0 (/opt/rustwide/workdir)
[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 `test_os` 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" "60a10e455dde4402e62daea9da180b5bbd1900f11b89bc3d0a1a70e9782c19f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60a10e455dde4402e62daea9da180b5bbd1900f11b89bc3d0a1a70e9782c19f9", kill_on_drop: false }`
[INFO] [stdout] 60a10e455dde4402e62daea9da180b5bbd1900f11b89bc3d0a1a70e9782c19f9