[INFO] cloning repository https://github.com/lukewilliamboswell/roc-on-simple
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukewilliamboswell/roc-on-simple" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukewilliamboswell%2Froc-on-simple", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukewilliamboswell%2Froc-on-simple'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ca68d0cfb83a9282c66de9fa8e30b3b318f704e
[INFO] checking lukewilliamboswell/roc-on-simple against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukewilliamboswell%2Froc-on-simple" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lukewilliamboswell/roc-on-simple
[INFO] finished tweaking git repo https://github.com/lukewilliamboswell/roc-on-simple
[INFO] tweaked toml for git repo https://github.com/lukewilliamboswell/roc-on-simple written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lukewilliamboswell/roc-on-simple on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lukewilliamboswell/roc-on-simple 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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded midly v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74a434c3295c8bec886a04dd75bc7aeb47082c3217c389e5651699e4c9e528a1
[INFO] running `Command { std: "docker" "start" "-a" "74a434c3295c8bec886a04dd75bc7aeb47082c3217c389e5651699e4c9e528a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74a434c3295c8bec886a04dd75bc7aeb47082c3217c389e5651699e4c9e528a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a434c3295c8bec886a04dd75bc7aeb47082c3217c389e5651699e4c9e528a1", kill_on_drop: false }`
[INFO] [stdout] 74a434c3295c8bec886a04dd75bc7aeb47082c3217c389e5651699e4c9e528a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5f6f3fdca5ebe1f7e3de0925b4ce993c8764c5ca5fb13afc6f82e4e68beab2f
[INFO] running `Command { std: "docker" "start" "-a" "e5f6f3fdca5ebe1f7e3de0925b4ce993c8764c5ca5fb13afc6f82e4e68beab2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling build-target v0.4.0
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling roc-on-simple v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking roc_std v0.0.1 (https://github.com/roc-lang/roc.git#86b19337)
[INFO] [stderr] error: failed to run custom build command for `roc-on-simple 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/roc-on-simple-5423bdef1bab58a5/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=app.o
[INFO] [stderr]   cargo:rerun-if-changed=libapp.so
[INFO] [stderr]   cargo:rustc-link-search=native=/opt/rustwide/target/debug/build/roc-on-simple-bc9ae0d31cbd7588/out
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (184) panicked at build.rs:156:17:
[INFO] [stderr]   app.o or libapp.so file not found -- this should have been generated by roc
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x57fac5d36692 - std[bd4fd743d24fc948]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x57fac5d36692 - std[bd4fd743d24fc948]::backtrace_rs::backtrace::trace_unsynchronized::<std[bd4fd743d24fc948]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x57fac5d36692 - std[bd4fd743d24fc948]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x57fac5d36692 - <<std[bd4fd743d24fc948]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[3599737bacc63999]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x57fac5d4833a - <core[3599737bacc63999]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x57fac5d4833a - core[3599737bacc63999]::fmt::write
[INFO] [stderr]      6:     0x57fac5d3b136 - std[bd4fd743d24fc948]::io::default_write_fmt::<std[bd4fd743d24fc948]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x57fac5d3b136 - <std[bd4fd743d24fc948]::sys::stdio::unix::Stderr as std[bd4fd743d24fc948]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x57fac5d1a9ff - <std[bd4fd743d24fc948]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x57fac5d1a9ff - std[bd4fd743d24fc948]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x57fac5d317b1 - std[bd4fd743d24fc948]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x57fac5d3196b - std[bd4fd743d24fc948]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x57fac5d1aaea - std[bd4fd743d24fc948]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panicking.rs:691:13
[INFO] [stderr]     13:     0x57fac5d12679 - std[bd4fd743d24fc948]::sys::backtrace::__rust_end_short_backtrace::<std[bd4fd743d24fc948]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x57fac5d1b35d - __rustc[f744f0f8d4931374]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x57fac5d489ac - core[3599737bacc63999]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x57fac5cfd37c - build_script_build[fa8abdbafe0de378]::get_roc_app_object
[INFO] [stderr]     17:     0x57fac5cfd988 - build_script_build[fa8abdbafe0de378]::main
[INFO] [stderr]     18:     0x57fac5d014e3 - <fn() as core[3599737bacc63999]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x57fac5cfc426 - std[bd4fd743d24fc948]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x57fac5cfc839 - std[bd4fd743d24fc948]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x57fac5d30966 - <&dyn core[3599737bacc63999]::ops::function::Fn<(), Output = i32> + core[3599737bacc63999]::marker::Sync + core[3599737bacc63999]::panic::unwind_safe::RefUnwindSafe as core[3599737bacc63999]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x57fac5d30966 - std[bd4fd743d24fc948]::panicking::catch_unwind::do_call::<&dyn core[3599737bacc63999]::ops::function::Fn<(), Output = i32> + core[3599737bacc63999]::marker::Sync + core[3599737bacc63999]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panicking.rs:581:40
[INFO] [stderr]     23:     0x57fac5d30966 - std[bd4fd743d24fc948]::panicking::catch_unwind::<i32, &dyn core[3599737bacc63999]::ops::function::Fn<(), Output = i32> + core[3599737bacc63999]::marker::Sync + core[3599737bacc63999]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x57fac5d30966 - std[bd4fd743d24fc948]::panic::catch_unwind::<&dyn core[3599737bacc63999]::ops::function::Fn<(), Output = i32> + core[3599737bacc63999]::marker::Sync + core[3599737bacc63999]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x57fac5d30966 - std[bd4fd743d24fc948]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x57fac5d30966 - std[bd4fd743d24fc948]::panicking::catch_unwind::do_call::<std[bd4fd743d24fc948]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x57fac5d30966 - std[bd4fd743d24fc948]::panicking::catch_unwind::<isize, std[bd4fd743d24fc948]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x57fac5d30966 - std[bd4fd743d24fc948]::panic::catch_unwind::<std[bd4fd743d24fc948]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x57fac5d30966 - std[bd4fd743d24fc948]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x57fac5cfc411 - std[bd4fd743d24fc948]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x57fac5d01815 - main
[INFO] [stderr]     32:     0x73eb7c3fb1ca - <unknown>
[INFO] [stderr]     33:     0x73eb7c3fb28b - __libc_start_main
[INFO] [stderr]     34:     0x57fac5cfad75 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e5f6f3fdca5ebe1f7e3de0925b4ce993c8764c5ca5fb13afc6f82e4e68beab2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5f6f3fdca5ebe1f7e3de0925b4ce993c8764c5ca5fb13afc6f82e4e68beab2f", kill_on_drop: false }`
[INFO] [stdout] e5f6f3fdca5ebe1f7e3de0925b4ce993c8764c5ca5fb13afc6f82e4e68beab2f