[INFO] cloning repository https://github.com/EndeR583/mkernel
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EndeR583/mkernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEndeR583%2Fmkernel"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEndeR583%2Fmkernel'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b0452d793cbe81a116bb6c55bba3aec7e37cc3fb
[INFO] checking EndeR583/mkernel against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEndeR583%2Fmkernel" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  37% (284/756)   
Checking out files:  38% (288/756)   
Checking out files:  39% (295/756)   
Checking out files:  40% (303/756)   
Checking out files:  41% (310/756)   
Checking out files:  42% (318/756)   
Checking out files:  43% (326/756)   
Checking out files:  44% (333/756)   
Checking out files:  45% (341/756)   
Checking out files:  45% (344/756)   
Checking out files:  46% (348/756)   
Checking out files:  47% (356/756)   
Checking out files:  47% (360/756)   
Checking out files:  48% (363/756)   
Checking out files:  48% (369/756)   
Checking out files:  49% (371/756)   
Checking out files:  50% (378/756)   
Checking out files:  50% (380/756)   
Checking out files:  51% (386/756)   
Checking out files:  52% (394/756)   
Checking out files:  52% (400/756)   
Checking out files:  53% (401/756)   
Checking out files:  54% (409/756)   
Checking out files:  55% (416/756)   
Checking out files:  56% (424/756)   
Checking out files:  57% (431/756)   
Checking out files:  58% (439/756)   
Checking out files:  59% (447/756)   
Checking out files:  60% (454/756)   
Checking out files:  61% (462/756)   
Checking out files:  62% (469/756)   
Checking out files:  63% (477/756)   
Checking out files:  64% (484/756)   
Checking out files:  65% (492/756)   
Checking out files:  66% (499/756)   
Checking out files:  67% (507/756)   
Checking out files:  68% (515/756)   
Checking out files:  69% (522/756)   
Checking out files:  70% (530/756)   
Checking out files:  71% (537/756)   
Checking out files:  72% (545/756)   
Checking out files:  73% (552/756)   
Checking out files:  74% (560/756)   
Checking out files:  75% (567/756)   
Checking out files:  76% (575/756)   
Checking out files:  77% (583/756)   
Checking out files:  78% (590/756)   
Checking out files:  79% (598/756)   
Checking out files:  80% (605/756)   
Checking out files:  81% (613/756)   
Checking out files:  82% (620/756)   
Checking out files:  82% (622/756)   
Checking out files:  83% (628/756)   
Checking out files:  84% (636/756)   
Checking out files:  85% (643/756)   
Checking out files:  86% (651/756)   
Checking out files:  87% (658/756)   
Checking out files:  88% (666/756)   
Checking out files:  89% (673/756)   
Checking out files:  90% (681/756)   
Checking out files:  91% (688/756)   
Checking out files:  92% (696/756)   
Checking out files:  92% (698/756)   
Checking out files:  93% (704/756)   
Checking out files:  93% (707/756)   
Checking out files:  94% (711/756)   
Checking out files:  95% (719/756)   
Checking out files:  96% (726/756)   
Checking out files:  96% (731/756)   
Checking out files:  97% (734/756)   
Checking out files:  98% (741/756)   
Checking out files:  99% (749/756)   
Checking out files: 100% (756/756)   
Checking out files: 100% (756/756), done.
[INFO] validating manifest of git repo https://github.com/EndeR583/mkernel on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/EndeR583/mkernel
[INFO] finished tweaking git repo https://github.com/EndeR583/mkernel
[INFO] tweaked toml for git repo https://github.com/EndeR583/mkernel written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/EndeR583/mkernel already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4b837814c4ea43e110bf7494b807d8e3453a1259db9fcc0cdd9e955723cc11cf
[INFO] running `"docker" "start" "-a" "4b837814c4ea43e110bf7494b807d8e3453a1259db9fcc0cdd9e955723cc11cf"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bootloader v0.8.0
[INFO] [stderr]     Checking cpuio v0.2.0
[INFO] [stderr]     Checking volatile v0.2.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking mkernel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: language item required, but not found: `eh_personality`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `mkernel`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stderr]   --> src/main.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stderr] 17 | |     loop {}
[INFO] [stderr] 18 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0152`.
[INFO] [stderr] error: could not compile `mkernel`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4b837814c4ea43e110bf7494b807d8e3453a1259db9fcc0cdd9e955723cc11cf"`
[INFO] running `"docker" "rm" "-f" "4b837814c4ea43e110bf7494b807d8e3453a1259db9fcc0cdd9e955723cc11cf"`
[INFO] [stdout] 4b837814c4ea43e110bf7494b807d8e3453a1259db9fcc0cdd9e955723cc11cf