[INFO] cloning repository https://github.com/zenito9970/countdown-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zenito9970/countdown-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzenito9970%2Fcountdown-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzenito9970%2Fcountdown-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 322068814ad5c5b47396bb31889db7bf2aa34113
[INFO] checking zenito9970/countdown-rs against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzenito9970%2Fcountdown-rs" "/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/zenito9970/countdown-rs
[INFO] finished tweaking git repo https://github.com/zenito9970/countdown-rs
[INFO] tweaked toml for git repo https://github.com/zenito9970/countdown-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zenito9970/countdown-rs on toolchain 81ab7f2139295590561adbe6d5b0aaa2feff765f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zenito9970/countdown-rs 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" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termbox-sys v0.2.11
[INFO] [stderr]   Downloaded rustbox v0.11.0
[INFO] [stderr]   Downloaded bitflags v0.2.1
[INFO] [stderr]   Downloaded regex v1.1.2
[INFO] [stderr]   Downloaded libc v0.2.50
[INFO] [stderr]   Downloaded gag v0.1.10
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fad363c8d9030dab4ec1f2ad314011bace1151b1b404421b419040cedbc1222c
[INFO] running `Command { std: "docker" "start" "-a" "fad363c8d9030dab4ec1f2ad314011bace1151b1b404421b419040cedbc1222c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fad363c8d9030dab4ec1f2ad314011bace1151b1b404421b419040cedbc1222c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fad363c8d9030dab4ec1f2ad314011bace1151b1b404421b419040cedbc1222c", kill_on_drop: false }`
[INFO] [stdout] fad363c8d9030dab4ec1f2ad314011bace1151b1b404421b419040cedbc1222c
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1603785da8fe13aaa14b912a28f7409472094d117034d5c832c145869163f64
[INFO] running `Command { std: "docker" "start" "-a" "b1603785da8fe13aaa14b912a28f7409472094d117034d5c832c145869163f64", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling termbox-sys v0.2.11
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking bitflags v0.2.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr] error: failed to run custom build command for `termbox-sys v0.2.11`
[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/termbox-sys-f4837a767e71a842/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   running: cd "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/termbox-sys-0.2.11" && "rm" "-rf" ".termbox"
[INFO] [stderr]   running: cd "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/termbox-sys-0.2.11" && "git" "clone" "https://github.com/nsf/termbox" ".termbox"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   fatal: could not create work tree dir '.termbox': Read-only file system
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (381) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/termbox-sys-0.2.11/build.rs:88:5:
[INFO] [stderr]   assertion failed: cmd.stdout(Stdio::inherit()).stderr(Stdio::inherit()).status().unwrap().success()
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56a7f2cf4402 - std[4a1a49c02944de8c]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x56a7f2cf4402 - std[4a1a49c02944de8c]::backtrace_rs::backtrace::trace_unsynchronized::<std[4a1a49c02944de8c]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x56a7f2cf4402 - std[4a1a49c02944de8c]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/std/src/sys/backtrace.rs:68:9
[INFO] [stderr]      3:     0x56a7f2cf4402 - <<std[4a1a49c02944de8c]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[1fc8f9425fac5f31]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/std/src/sys/backtrace.rs:38:26
[INFO] [stderr]      4:     0x56a7f2d07707 - <core[1fc8f9425fac5f31]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x56a7f2d07707 - core[1fc8f9425fac5f31]::fmt::write
[INFO] [stderr]      6:     0x56a7f2cfa006 - std[4a1a49c02944de8c]::io::default_write_fmt::<std[4a1a49c02944de8c]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/std/src/io/mod.rs:614:11
[INFO] [stderr]      7:     0x56a7f2cfa006 - <std[4a1a49c02944de8c]::sys::stdio::unix::Stderr as std[4a1a49c02944de8c]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/std/src/io/mod.rs:1969:13
[INFO] [stderr]      8:     0x56a7f2cd958f - <std[4a1a49c02944de8c]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/std/src/sys/backtrace.rs:41:9
[INFO] [stderr]      9:     0x56a7f2cd958f - std[4a1a49c02944de8c]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x56a7f2ceffe1 - std[4a1a49c02944de8c]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x56a7f2cf019b - std[4a1a49c02944de8c]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x56a7f2cd967a - std[4a1a49c02944de8c]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/std/src/panicking.rs:691:13
[INFO] [stderr]     13:     0x56a7f2cce8b9 - std[4a1a49c02944de8c]::sys::backtrace::__rust_end_short_backtrace::<std[4a1a49c02944de8c]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/std/src/sys/backtrace.rs:176:18
[INFO] [stderr]     14:     0x56a7f2cda16d - __rustc[edd13ba796be6cc6]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x56a7f2d07d4c - core[1fc8f9425fac5f31]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x56a7f2d07d12 - core[1fc8f9425fac5f31]::panicking::panic
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/core/src/panicking.rs:150:5
[INFO] [stderr]     17:     0x56a7f2cbbde9 - build_script_build[24eb61ff6985291b]::run
[INFO] [stderr]     18:     0x56a7f2cbc79e - build_script_build[24eb61ff6985291b]::setup
[INFO] [stderr]     19:     0x56a7f2cbc121 - build_script_build[24eb61ff6985291b]::main
[INFO] [stderr]     20:     0x56a7f2cbf503 - <fn() as core[1fc8f9425fac5f31]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     21:     0x56a7f2cbb5f6 - std[4a1a49c02944de8c]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     22:     0x56a7f2cbb8a9 - std[4a1a49c02944de8c]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     23:     0x56a7f2cef196 - <&dyn core[1fc8f9425fac5f31]::ops::function::Fn<(), Output = i32> + core[1fc8f9425fac5f31]::panic::unwind_safe::RefUnwindSafe + core[1fc8f9425fac5f31]::marker::Sync as core[1fc8f9425fac5f31]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x56a7f2cef196 - std[4a1a49c02944de8c]::panicking::catch_unwind::do_call::<&dyn core[1fc8f9425fac5f31]::ops::function::Fn<(), Output = i32> + core[1fc8f9425fac5f31]::panic::unwind_safe::RefUnwindSafe + core[1fc8f9425fac5f31]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/std/src/panicking.rs:581:40
[INFO] [stderr]     25:     0x56a7f2cef196 - std[4a1a49c02944de8c]::panicking::catch_unwind::<i32, &dyn core[1fc8f9425fac5f31]::ops::function::Fn<(), Output = i32> + core[1fc8f9425fac5f31]::panic::unwind_safe::RefUnwindSafe + core[1fc8f9425fac5f31]::marker::Sync>
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/std/src/panicking.rs:544:19
[INFO] [stderr]     26:     0x56a7f2cef196 - std[4a1a49c02944de8c]::panic::catch_unwind::<&dyn core[1fc8f9425fac5f31]::ops::function::Fn<(), Output = i32> + core[1fc8f9425fac5f31]::panic::unwind_safe::RefUnwindSafe + core[1fc8f9425fac5f31]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x56a7f2cef196 - std[4a1a49c02944de8c]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x56a7f2cef196 - std[4a1a49c02944de8c]::panicking::catch_unwind::do_call::<std[4a1a49c02944de8c]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/std/src/panicking.rs:581:40
[INFO] [stderr]     29:     0x56a7f2cef196 - std[4a1a49c02944de8c]::panicking::catch_unwind::<isize, std[4a1a49c02944de8c]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/std/src/panicking.rs:544:19
[INFO] [stderr]     30:     0x56a7f2cef196 - std[4a1a49c02944de8c]::panic::catch_unwind::<std[4a1a49c02944de8c]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x56a7f2cef196 - std[4a1a49c02944de8c]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/81ab7f2139295590561adbe6d5b0aaa2feff765f/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x56a7f2cbb5e1 - std[4a1a49c02944de8c]::rt::lang_start::<()>
[INFO] [stderr]     33:     0x56a7f2cbf865 - main
[INFO] [stderr]     34:     0x78dfe1d671ca - <unknown>
[INFO] [stderr]     35:     0x78dfe1d6728b - __libc_start_main
[INFO] [stderr]     36:     0x56a7f2cb9a85 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b1603785da8fe13aaa14b912a28f7409472094d117034d5c832c145869163f64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1603785da8fe13aaa14b912a28f7409472094d117034d5c832c145869163f64", kill_on_drop: false }`
[INFO] [stdout] b1603785da8fe13aaa14b912a28f7409472094d117034d5c832c145869163f64