[INFO] cloning repository https://github.com/samm459/basicos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samm459/basicos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamm459%2Fbasicos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamm459%2Fbasicos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f463da34d8cb3b305a8ec485f598084544e0247
[INFO] checking samm459/basicos against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamm459%2Fbasicos" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samm459/basicos on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/samm459/basicos
[INFO] finished tweaking git repo https://github.com/samm459/basicos
[INFO] tweaked toml for git repo https://github.com/samm459/basicos written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/samm459/basicos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82b4c3ca622ffe7f07cf9fbeae979cb9bdaaa3b2e09f105e8a4b1c4342cc9b55
[INFO] running `Command { std: "docker" "start" "-a" "82b4c3ca622ffe7f07cf9fbeae979cb9bdaaa3b2e09f105e8a4b1c4342cc9b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82b4c3ca622ffe7f07cf9fbeae979cb9bdaaa3b2e09f105e8a4b1c4342cc9b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82b4c3ca622ffe7f07cf9fbeae979cb9bdaaa3b2e09f105e8a4b1c4342cc9b55", kill_on_drop: false }`
[INFO] [stdout] 82b4c3ca622ffe7f07cf9fbeae979cb9bdaaa3b2e09f105e8a4b1c4342cc9b55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d52f7660189398274b6b9d04c2eaf212d83905454982ebf76eda1e1033dc4c9
[INFO] running `Command { std: "docker" "start" "-a" "4d52f7660189398274b6b9d04c2eaf212d83905454982ebf76eda1e1033dc4c9", 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] [stderr]    Compiling x86_64 v0.14.4
[INFO] [stderr]    Compiling bootloader v0.9.19
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking volatile v0.4.4
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking uart_16550 v0.2.15
[INFO] [stderr]     Checking basicos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/main.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |         use super::*;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::port_io`
[INFO] [stdout]    --> src/main.rs:211:9
[INFO] [stdout]     |
[INFO] [stdout] 211 |     use crate::port_io;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `basicos` due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4d52f7660189398274b6b9d04c2eaf212d83905454982ebf76eda1e1033dc4c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d52f7660189398274b6b9d04c2eaf212d83905454982ebf76eda1e1033dc4c9", kill_on_drop: false }`
[INFO] [stdout] 4d52f7660189398274b6b9d04c2eaf212d83905454982ebf76eda1e1033dc4c9