[INFO] cloning repository https://github.com/quasong/rasty-rabbit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quasong/rasty-rabbit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquasong%2Frasty-rabbit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquasong%2Frasty-rabbit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b5ad16d4847a88a48d42ec02a38fcffa0da734f
[INFO] checking quasong/rasty-rabbit against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6+rustflags=-Znext-solver=coherence for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquasong%2Frasty-rabbit" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/quasong/rasty-rabbit
[INFO] finished tweaking git repo https://github.com/quasong/rasty-rabbit
[INFO] tweaked toml for git repo https://github.com/quasong/rasty-rabbit written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/quasong/rasty-rabbit on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/quasong/rasty-rabbit 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2fbcbdf8fdc2e881b41040ceef619f9ee0cba8ff62a410f8a39341d08629b462
[INFO] running `Command { std: "docker" "start" "2fbcbdf8fdc2e881b41040ceef619f9ee0cba8ff62a410f8a39341d08629b462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fbcbdf8fdc2e881b41040ceef619f9ee0cba8ff62a410f8a39341d08629b462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2fbcbdf8fdc2e881b41040ceef619f9ee0cba8ff62a410f8a39341d08629b462" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fbcbdf8fdc2e881b41040ceef619f9ee0cba8ff62a410f8a39341d08629b462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Znext-solver=coherence" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2fbcbdf8fdc2e881b41040ceef619f9ee0cba8ff62a410f8a39341d08629b462" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty-rabbit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rusty-rabbit 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/rusty-rabbit/ceefa9e3fa233bee/out/build_script_build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=linker.ld
[INFO] [stderr]   cargo:rerun-if-changed=user/api.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/allocator.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/alarmtest.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/cat.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/cowtest.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/dirtest.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/echo.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/fdcheck.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/init.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/hello.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/heap.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/kill.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/killtest.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/lazytest.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/ln.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/ls.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/maptest.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/mv.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/ps.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/readlink.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/rm.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/seek.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/seektest.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/sh.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/stat.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/symlinktest.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/truncate.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/waittest.rs
[INFO] [stderr]   cargo:rerun-if-changed=user/user.ld
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error[E0463]: can't find crate for `core`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the `riscv64gc-unknown-none-elf` target may not be installed
[INFO] [stderr]     = help: consider downloading the target with `rustup target add riscv64gc-unknown-none-elf`
[INFO] [stderr]     = help: consider building the standard library from source with `cargo build -Zbuild-std`
[INFO] [stderr] 
[INFO] [stderr]   error: aborting due to 1 previous error
[INFO] [stderr] 
[INFO] [stderr]   For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (82) panicked at build.rs:28:5:
[INFO] [stderr]   failed to build user program alarmtest
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x602a6f5939a1 - std[3164a59e47d3bde]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x602a6f5939a1 - std[3164a59e47d3bde]::backtrace_rs::backtrace::trace_unsynchronized::<std[3164a59e47d3bde]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x602a6f5939a1 - std[3164a59e47d3bde]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x602a6f5939a1 - <<std[3164a59e47d3bde]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[934024a1e6126fb4]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x602a6f5a4c0a - <core[934024a1e6126fb4]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x602a6f5a4c0a - core[934024a1e6126fb4]::fmt::write
[INFO] [stderr]      6:     0x602a6f59755c - core[934024a1e6126fb4]::io::write::default_write_fmt::<std[3164a59e47d3bde]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/core/src/io/write.rs:402:11
[INFO] [stderr]      7:     0x602a6f59755c - <std[3164a59e47d3bde]::sys::stdio::unix::Stderr as core[934024a1e6126fb4]::io::write::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/core/src/io/write.rs:335:13
[INFO] [stderr]      8:     0x602a6f5776a6 - <std[3164a59e47d3bde]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x602a6f5776a6 - std[3164a59e47d3bde]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panicking.rs:289:27
[INFO] [stderr]     10:     0x602a6f58fba1 - std[3164a59e47d3bde]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panicking.rs:316:9
[INFO] [stderr]     11:     0x602a6f58fd5b - std[3164a59e47d3bde]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panicking.rs:811:13
[INFO] [stderr]     12:     0x602a6f577752 - std[3164a59e47d3bde]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panicking.rs:685:13
[INFO] [stderr]     13:     0x602a6f5707f9 - std[3164a59e47d3bde]::sys::backtrace::__rust_end_short_backtrace::<std[3164a59e47d3bde]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x602a6f577f1d - __rustc[2e7b49d4226056d3]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panicking.rs:676:5
[INFO] [stderr]     15:     0x602a6f5a533c - core[934024a1e6126fb4]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x602a6f561189 - build_script_build[e7bbe3b689a1e5a7]::build_user
[INFO] [stderr]     17:     0x602a6f561830 - build_script_build[e7bbe3b689a1e5a7]::main
[INFO] [stderr]     18:     0x602a6f565283 - <fn() as core[934024a1e6126fb4]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x602a6f5605de - std[3164a59e47d3bde]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x602a6f560a49 - std[3164a59e47d3bde]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x602a6f58f018 - <&dyn core[934024a1e6126fb4]::ops::function::Fn<(), Output = i32> + core[934024a1e6126fb4]::marker::Sync + core[934024a1e6126fb4]::panic::unwind_safe::RefUnwindSafe as core[934024a1e6126fb4]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x602a6f58f018 - std[3164a59e47d3bde]::panicking::catch_unwind::do_call::<&dyn core[934024a1e6126fb4]::ops::function::Fn<(), Output = i32> + core[934024a1e6126fb4]::marker::Sync + core[934024a1e6126fb4]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panicking.rs:573:43
[INFO] [stderr]     23:     0x602a6f58f018 - std[3164a59e47d3bde]::panicking::catch_unwind::<i32, &dyn core[934024a1e6126fb4]::ops::function::Fn<(), Output = i32> + core[934024a1e6126fb4]::marker::Sync + core[934024a1e6126fb4]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panicking.rs:541:19
[INFO] [stderr]     24:     0x602a6f58f018 - std[3164a59e47d3bde]::panic::catch_unwind::<&dyn core[934024a1e6126fb4]::ops::function::Fn<(), Output = i32> + core[934024a1e6126fb4]::marker::Sync + core[934024a1e6126fb4]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x602a6f58f018 - std[3164a59e47d3bde]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x602a6f58f018 - std[3164a59e47d3bde]::panicking::catch_unwind::do_call::<std[3164a59e47d3bde]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panicking.rs:573:43
[INFO] [stderr]     27:     0x602a6f58f018 - std[3164a59e47d3bde]::panicking::catch_unwind::<isize, std[3164a59e47d3bde]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panicking.rs:541:19
[INFO] [stderr]     28:     0x602a6f58f018 - std[3164a59e47d3bde]::panic::catch_unwind::<std[3164a59e47d3bde]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x602a6f58f018 - std[3164a59e47d3bde]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x602a6f560491 - std[3164a59e47d3bde]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x602a6f565535 - main
[INFO] [stderr]     32:     0x70fc2b8d1601 - <unknown>
[INFO] [stderr]     33:     0x70fc2b8d1718 - __libc_start_main
[INFO] [stderr]     34:     0x602a6f55f465 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "2fbcbdf8fdc2e881b41040ceef619f9ee0cba8ff62a410f8a39341d08629b462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fbcbdf8fdc2e881b41040ceef619f9ee0cba8ff62a410f8a39341d08629b462", kill_on_drop: false }`
[INFO] [stdout] 2fbcbdf8fdc2e881b41040ceef619f9ee0cba8ff62a410f8a39341d08629b462
