[INFO] cloning repository https://github.com/GyrosOfWar/rs-downloader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GyrosOfWar/rs-downloader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGyrosOfWar%2Frs-downloader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGyrosOfWar%2Frs-downloader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8771c7fa1caab00bb565d86903cadf22619c03f
[INFO] testing GyrosOfWar/rs-downloader against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGyrosOfWar%2Frs-downloader" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GyrosOfWar/rs-downloader on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GyrosOfWar/rs-downloader
[INFO] finished tweaking git repo https://github.com/GyrosOfWar/rs-downloader
[INFO] tweaked toml for git repo https://github.com/GyrosOfWar/rs-downloader written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/GyrosOfWar/rs-downloader already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v0.2.1
[INFO] [stderr]   Downloaded vec_map v0.6.0
[INFO] [stderr]   Downloaded quote v0.3.12
[INFO] [stderr]   Downloaded log v0.3.6
[INFO] [stderr]   Downloaded redox_syscall v0.1.16
[INFO] [stderr]   Downloaded syn v0.11.4
[INFO] [stderr]   Downloaded term_size v0.2.2
[INFO] [stderr]   Downloaded unicode-bidi v0.2.4
[INFO] [stderr]   Downloaded mime v0.2.2
[INFO] [stderr]   Downloaded hyper v0.10.4
[INFO] [stderr]   Downloaded serde_codegen_internals v0.13.0
[INFO] [stderr]   Downloaded tempfile v2.1.5
[INFO] [stderr]   Downloaded num-iter v0.1.32
[INFO] [stderr]   Downloaded clap v2.20.3
[INFO] [stderr]   Downloaded num_cpus v1.2.1
[INFO] [stderr]   Downloaded cargo_metadata v0.1.1
[INFO] [stderr]   Downloaded number_prefix v0.2.7
[INFO] [stderr]   Downloaded serde_derive v0.9.6
[INFO] [stderr]   Downloaded rustc-serialize v0.3.22
[INFO] [stderr]   Downloaded serde v0.9.6
[INFO] [stderr]   Downloaded termbox-sys v0.2.10
[INFO] [stderr]   Downloaded gag v0.1.9
[INFO] [stderr]   Downloaded clippy v0.0.113
[INFO] [stderr]   Downloaded serde_json v0.9.5
[INFO] [stderr]   Downloaded clippy_lints v0.0.113
[INFO] [stderr]   Downloaded num-bigint v0.1.35
[INFO] [stderr]   Downloaded num-complex v0.1.35
[INFO] [stderr]   Downloaded num-integer v0.1.32
[INFO] [stderr]   Downloaded num-rational v0.1.35
[INFO] [stderr]   Downloaded num-traits v0.1.36
[INFO] [stderr]   Downloaded rustbox v0.9.0
[INFO] [stderr]   Downloaded crossbeam v0.2.10
[INFO] [stderr]   Downloaded num v0.1.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1b00e0db77f22a05327ad558348d3ee861c00d78079f8172219af939e12278d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f1b00e0db77f22a05327ad558348d3ee861c00d78079f8172219af939e12278d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1b00e0db77f22a05327ad558348d3ee861c00d78079f8172219af939e12278d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1b00e0db77f22a05327ad558348d3ee861c00d78079f8172219af939e12278d", kill_on_drop: false }`
[INFO] [stdout] f1b00e0db77f22a05327ad558348d3ee861c00d78079f8172219af939e12278d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b9b27b1d99ad233b65fc2f7f83d6a0b1eb6a554e2d161b15aac1bd2c7ae5bce3
[INFO] running `Command { std: "docker" "start" "-a" "b9b27b1d99ad233b65fc2f7f83d6a0b1eb6a554e2d161b15aac1bd2c7ae5bce3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.4
[INFO] [stderr]    Compiling termbox-sys v0.2.10
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling bitflags v0.2.1
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling quick-error v1.1.0
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling number_prefix v0.2.7
[INFO] [stderr]    Compiling unicode-bidi v0.2.4
[INFO] [stderr]    Compiling mime v0.2.2
[INFO] [stderr] error: failed to run custom build command for `termbox-sys v0.2.10`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/termbox-sys-bfbe4f313246ff76/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   running: "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]   thread 'main' panicked at 'assertion failed: cmd.stdout(Stdio::inherit()).stderr(Stdio::inherit()).status().unwrap().success()', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/termbox-sys-0.2.10/build.rs:87:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x563a995e8810 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x563a995e8810 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x563a995e8810 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x563a995e8810 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7881e3a580134f9a
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x563a99606bbc - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x563a995e6272 - std::io::Write::write_fmt::h24485de26f355188
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/io/mod.rs:1519:15
[INFO] [stderr]      6:     0x563a995eaad5 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x563a995eaad5 - std::sys_common::backtrace::print::hd22ac23fed5071c8
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x563a995eaad5 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x563a995ea62a - std::panicking::default_hook::hb08853b392b9404b
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x563a995eb271 - std::panicking::rust_panic_with_hook::h3624ee29da369ede
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x563a995ead87 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:495:13
[INFO] [stderr]     12:     0x563a995e8ccc - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x563a995ead19 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x563a99605f61 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x563a99605ead - core::panicking::panic::h5d1c61fed2502a5f
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x563a995ceb7d - build_script_build::run::h497786c390193694
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/termbox-sys-0.2.10/build.rs:87:5
[INFO] [stderr]     17:     0x563a995ce252 - build_script_build::setup::he065b3e104352836
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/termbox-sys-0.2.10/build.rs:27:5
[INFO] [stderr]     18:     0x563a995cdf7e - build_script_build::main::h198fdb84ebdd45da
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/termbox-sys-0.2.10/build.rs:9:5
[INFO] [stderr]     19:     0x563a995d176b - core::ops::function::FnOnce::call_once::hfdfd64c431c50bd0
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x563a995cecae - std::sys_common::backtrace::__rust_begin_short_backtrace::h92621700872ee4df
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x563a995cc271 - std::rt::lang_start::{{closure}}::h1a7249f91eaee8fd
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/rt.rs:66:18
[INFO] [stderr]     22:     0x563a995eb697 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h194d6aa01fb6b594
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x563a995eb697 - std::panicking::try::do_call::h4ef477456776cccb
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x563a995eb697 - std::panicking::try::h7f2121b6bb3bbca4
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x563a995eb697 - std::panic::catch_unwind::he974d0ca04309948
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stderr]     26:     0x563a995eb697 - std::rt::lang_start_internal::h36e9e78490120b9f
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/rt.rs:51:25
[INFO] [stderr]     27:     0x563a995cc247 - std::rt::lang_start::h2b27ca0220d11a9c
[INFO] [stderr]                                  at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/rt.rs:65:5
[INFO] [stderr]     28:     0x563a995cebaa - main
[INFO] [stderr]     29:     0x7fd7f744b0b3 - __libc_start_main
[INFO] [stderr]     30:     0x563a995c809e - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b9b27b1d99ad233b65fc2f7f83d6a0b1eb6a554e2d161b15aac1bd2c7ae5bce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9b27b1d99ad233b65fc2f7f83d6a0b1eb6a554e2d161b15aac1bd2c7ae5bce3", kill_on_drop: false }`
[INFO] [stdout] b9b27b1d99ad233b65fc2f7f83d6a0b1eb6a554e2d161b15aac1bd2c7ae5bce3