[INFO] cloning repository https://github.com/eleanor-em/rpi-os-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eleanor-em/rpi-os-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feleanor-em%2Frpi-os-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feleanor-em%2Frpi-os-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39a09ee58bf4a7efef312669134c5d7534b139ba
[INFO] checking eleanor-em/rpi-os-tutorial against master#8f08b3a32478b8d0507732800ecb548a76e0fd0c for pr-144157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feleanor-em%2Frpi-os-tutorial" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eleanor-em/rpi-os-tutorial
[INFO] finished tweaking git repo https://github.com/eleanor-em/rpi-os-tutorial
[INFO] tweaked toml for git repo https://github.com/eleanor-em/rpi-os-tutorial written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eleanor-em/rpi-os-tutorial on toolchain 8f08b3a32478b8d0507732800ecb548a76e0fd0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/eleanor-em/rpi-os-tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cortex-a v3.0.3
[INFO] [stderr]   Downloaded tock-registers v0.5.0
[INFO] [stderr]   Downloaded register v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b634a9af085896aaf572c2c4d4114ad5512f212d8bc2d793efbd475aa6ae8c51
[INFO] running `Command { std: "docker" "start" "-a" "b634a9af085896aaf572c2c4d4114ad5512f212d8bc2d793efbd475aa6ae8c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b634a9af085896aaf572c2c4d4114ad5512f212d8bc2d793efbd475aa6ae8c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b634a9af085896aaf572c2c4d4114ad5512f212d8bc2d793efbd475aa6ae8c51", kill_on_drop: false }`
[INFO] [stdout] b634a9af085896aaf572c2c4d4114ad5512f212d8bc2d793efbd475aa6ae8c51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 739effee031c6bcb0e9994699525e7e7237ebb6099b2d6f53800aab8d216c8a6
[INFO] running `Command { std: "docker" "start" "-a" "739effee031c6bcb0e9994699525e7e7237ebb6099b2d6f53800aab8d216c8a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling kernel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `kernel v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/kernel-33009efd69a58966/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at build.rs:4:55:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: NotPresent
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x578bb6c57482 - std::backtrace_rs::backtrace::libunwind::trace::hc389a5f23f39a50d
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x578bb6c57482 - std::backtrace_rs::backtrace::trace_unsynchronized::h3c6e1ef7881a83f4
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x578bb6c57482 - std::sys::backtrace::_print_fmt::h14534a9e318c6730
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x578bb6c57482 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hc325edd47ea45dc6
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x578bb6c72c53 - core::fmt::rt::Argument::fmt::hacd900817bf2adb6
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x578bb6c72c53 - core::fmt::write::h925fa463d3c548f3
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x578bb6c54f73 - std::io::default_write_fmt::h1b082a8836d03fd2
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x578bb6c54f73 - std::io::Write::write_fmt::h9e60e1353a91a26e
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x578bb6c572d2 - std::sys::backtrace::BacktraceLock::print::hd7618d1e38c1cc0d
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x578bb6c58353 - std::panicking::default_hook::{{closure}}::hd0e59661b76aa9b1
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x578bb6c58135 - std::panicking::default_hook::hc30e19d8812c67b3
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x578bb6c58c25 - std::panicking::rust_panic_with_hook::h46bca9bfcc76da75
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x578bb6c58aba - std::panicking::begin_panic_handler::{{closure}}::h1eabe82c909549f6
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x578bb6c57979 - std::sys::backtrace::__rust_end_short_backtrace::h2da2a7aceed5a720
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x578bb6c5874d - __rustc[37882050545b4706]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x578bb6c72140 - core::panicking::panic_fmt::h43d7622c85ff527f
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x578bb6c724d6 - core::result::unwrap_failed::hc276c83a133d0f7f
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/core/src/result.rs:1761:5
[INFO] [stderr]     17:     0x578bb6c35db1 - build_script_build::main::hcaf5bb1eeb4d4e0a
[INFO] [stderr]     18:     0x578bb6c358f3 - core::ops::function::FnOnce::call_once::h06a922bd2039997d
[INFO] [stderr]     19:     0x578bb6c35856 - std::sys::backtrace::__rust_begin_short_backtrace::h1ae87b7ab3b62ab3
[INFO] [stderr]     20:     0x578bb6c357b9 - std::rt::lang_start::{{closure}}::h20ce71046d177705
[INFO] [stderr]     21:     0x578bb6c52580 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2645db3b1db12264
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     22:     0x578bb6c52580 - std::panicking::catch_unwind::do_call::hce702cff504c279f
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/std/src/panicking.rs:589:40
[INFO] [stderr]     23:     0x578bb6c52580 - std::panicking::catch_unwind::h550fa60ac914e426
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/std/src/panicking.rs:552:19
[INFO] [stderr]     24:     0x578bb6c52580 - std::panic::catch_unwind::h5d7a1b4269ffae34
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x578bb6c52580 - std::rt::lang_start_internal::{{closure}}::h314e76cc8aaff2f9
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x578bb6c52580 - std::panicking::catch_unwind::do_call::h9567157958122f35
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/std/src/panicking.rs:589:40
[INFO] [stderr]     27:     0x578bb6c52580 - std::panicking::catch_unwind::h06d3ab3d4b782f48
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/std/src/panicking.rs:552:19
[INFO] [stderr]     28:     0x578bb6c52580 - std::panic::catch_unwind::h21c66014f5fffd3b
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x578bb6c52580 - std::rt::lang_start_internal::hc0b59030d13380b9
[INFO] [stderr]                                  at /rustc/8f08b3a32478b8d0507732800ecb548a76e0fd0c/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x578bb6c357a1 - std::rt::lang_start::hd4762964e246fdbc
[INFO] [stderr]     31:     0x578bb6c35ec5 - main
[INFO] [stderr]     32:     0x786199e411ca - <unknown>
[INFO] [stderr]     33:     0x786199e4128b - __libc_start_main
[INFO] [stderr]     34:     0x578bb6c356b5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "739effee031c6bcb0e9994699525e7e7237ebb6099b2d6f53800aab8d216c8a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "739effee031c6bcb0e9994699525e7e7237ebb6099b2d6f53800aab8d216c8a6", kill_on_drop: false }`
[INFO] [stdout] 739effee031c6bcb0e9994699525e7e7237ebb6099b2d6f53800aab8d216c8a6