[INFO] cloning repository https://github.com/synqueue/umbra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/synqueue/umbra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsynqueue%2Fumbra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsynqueue%2Fumbra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0d5c0bb0fee46ddea3084fdb50d7ea9bec91ba5
[INFO] checking synqueue/umbra against dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8 for pr-133502-27
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsynqueue%2Fumbra" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/synqueue/umbra
[INFO] finished tweaking git repo https://github.com/synqueue/umbra
[INFO] tweaked toml for git repo https://github.com/synqueue/umbra written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/synqueue/umbra on toolchain dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/synqueue/umbra 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" "+dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:c36f533e8924a726b63f9d01e781fa8c8c28c96d1d595403829afb31452ee0f5" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4d94ca907bc54b82d41e58620d36e183ddf1fb6f19e452e8391be6dec52d575b
[INFO] running `Command { std: "docker" "start" "4d94ca907bc54b82d41e58620d36e183ddf1fb6f19e452e8391be6dec52d575b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d94ca907bc54b82d41e58620d36e183ddf1fb6f19e452e8391be6dec52d575b", 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" "4d94ca907bc54b82d41e58620d36e183ddf1fb6f19e452e8391be6dec52d575b" "/opt/rustwide/cargo-home/bin/cargo" "+dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d94ca907bc54b82d41e58620d36e183ddf1fb6f19e452e8391be6dec52d575b", 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" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4d94ca907bc54b82d41e58620d36e183ddf1fb6f19e452e8391be6dec52d575b" "/opt/rustwide/cargo-home/bin/cargo" "+dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling umbra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `umbra 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/umbra-48243d7982acd4cf/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (84) panicked at build.rs:90:34:
[INFO] [stderr]   failed to write umbra.h: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x620e41ac2e71 - std[9385d3d5237024da]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x620e41ac2e71 - std[9385d3d5237024da]::backtrace_rs::backtrace::trace_unsynchronized::<std[9385d3d5237024da]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x620e41ac2e71 - std[9385d3d5237024da]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x620e41ac2e71 - <<std[9385d3d5237024da]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[930210027468071a]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x620e41ad3b9a - <core[930210027468071a]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x620e41ad3b9a - core[930210027468071a]::fmt::write
[INFO] [stderr]      6:     0x620e41ac69bc - core[930210027468071a]::io::write::default_write_fmt::<std[9385d3d5237024da]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/core/src/io/write.rs:402:11
[INFO] [stderr]      7:     0x620e41ac69bc - <std[9385d3d5237024da]::sys::stdio::unix::Stderr as core[930210027468071a]::io::write::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/core/src/io/write.rs:335:13
[INFO] [stderr]      8:     0x620e41aabeb6 - <std[9385d3d5237024da]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x620e41aabeb6 - std[9385d3d5237024da]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x620e41abee31 - std[9385d3d5237024da]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x620e41abefeb - std[9385d3d5237024da]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/std/src/panicking.rs:815:13
[INFO] [stderr]     12:     0x620e41aabf62 - std[9385d3d5237024da]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/std/src/panicking.rs:688:13
[INFO] [stderr]     13:     0x620e41aa5589 - std[9385d3d5237024da]::sys::backtrace::__rust_end_short_backtrace::<std[9385d3d5237024da]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x620e41aac73d - __rustc[a9601b6af5271eac]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/std/src/panicking.rs:679:5
[INFO] [stderr]     15:     0x620e41ad42cc - core[930210027468071a]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x620e41ad40a2 - core[930210027468071a]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/core/src/result.rs:1870:5
[INFO] [stderr]     17:     0x620e41a99020 - <core[930210027468071a]::result::Result<(), core[930210027468071a]::io::error::Error>>::expect
[INFO] [stderr]     18:     0x620e41a98f15 - build_script_build[f7fe92080ab9d7fb]::main
[INFO] [stderr]     19:     0x620e41a999e3 - <fn() as core[930210027468071a]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     20:     0x620e41a98af6 - std[9385d3d5237024da]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     21:     0x620e41a98cf9 - std[9385d3d5237024da]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     22:     0x620e41abe587 - <&dyn core[930210027468071a]::ops::function::Fn<(), Output = i32> + core[930210027468071a]::panic::unwind_safe::RefUnwindSafe + core[930210027468071a]::marker::Sync as core[930210027468071a]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x620e41abe587 - std[9385d3d5237024da]::panicking::catch_unwind::do_call::<&dyn core[930210027468071a]::ops::function::Fn<(), Output = i32> + core[930210027468071a]::panic::unwind_safe::RefUnwindSafe + core[930210027468071a]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/std/src/panicking.rs:576:43
[INFO] [stderr]     24:     0x620e41abe587 - std[9385d3d5237024da]::panicking::catch_unwind::<i32, &dyn core[930210027468071a]::ops::function::Fn<(), Output = i32> + core[930210027468071a]::panic::unwind_safe::RefUnwindSafe + core[930210027468071a]::marker::Sync>
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/std/src/panicking.rs:544:19
[INFO] [stderr]     25:     0x620e41abe587 - std[9385d3d5237024da]::panic::catch_unwind::<&dyn core[930210027468071a]::ops::function::Fn<(), Output = i32> + core[930210027468071a]::panic::unwind_safe::RefUnwindSafe + core[930210027468071a]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x620e41abe587 - std[9385d3d5237024da]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x620e41abe587 - std[9385d3d5237024da]::panicking::catch_unwind::do_call::<std[9385d3d5237024da]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/std/src/panicking.rs:576:43
[INFO] [stderr]     28:     0x620e41abe587 - std[9385d3d5237024da]::panicking::catch_unwind::<isize, std[9385d3d5237024da]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/std/src/panicking.rs:544:19
[INFO] [stderr]     29:     0x620e41abe587 - std[9385d3d5237024da]::panic::catch_unwind::<std[9385d3d5237024da]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x620e41abe587 - std[9385d3d5237024da]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/dfbea5bc945a9d7ff017d3d4bfbd1af9295fe5b8/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x620e41a98a91 - std[9385d3d5237024da]::rt::lang_start::<()>
[INFO] [stderr]     32:     0x620e41a99a25 - main
[INFO] [stderr]     33:     0x7f9fba63f601 - <unknown>
[INFO] [stderr]     34:     0x7f9fba63f718 - __libc_start_main
[INFO] [stderr]     35:     0x620e41a987b5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "4d94ca907bc54b82d41e58620d36e183ddf1fb6f19e452e8391be6dec52d575b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d94ca907bc54b82d41e58620d36e183ddf1fb6f19e452e8391be6dec52d575b", kill_on_drop: false }`
[INFO] [stdout] 4d94ca907bc54b82d41e58620d36e183ddf1fb6f19e452e8391be6dec52d575b
