[INFO] fetching crate caca 0.1.0...
[INFO] checking caca-0.1.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate caca 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate caca 0.1.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate caca 0.1.0
[INFO] finished tweaking crates.io crate caca 0.1.0
[INFO] tweaked toml for crates.io crate caca 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: path `/workspace/builds/worker-2/source/src/caca.rs` was erroneously implicitly accepted for library `caca`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded caca-sys v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a48a0d8a0613d337e3ebe68aca8e569c75c93dc78ec6fcb6960cf0f8860c4805
[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" "a48a0d8a0613d337e3ebe68aca8e569c75c93dc78ec6fcb6960cf0f8860c4805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a48a0d8a0613d337e3ebe68aca8e569c75c93dc78ec6fcb6960cf0f8860c4805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a48a0d8a0613d337e3ebe68aca8e569c75c93dc78ec6fcb6960cf0f8860c4805", kill_on_drop: false }`
[INFO] [stdout] a48a0d8a0613d337e3ebe68aca8e569c75c93dc78ec6fcb6960cf0f8860c4805
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04f14caa0354ecd7b7d37f731d4b119904a4fefe379551aa5270479685cffc59
[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" "04f14caa0354ecd7b7d37f731d4b119904a4fefe379551aa5270479685cffc59", kill_on_drop: false }`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/caca.rs` was erroneously implicitly accepted for library `caca`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] [stderr]    Compiling caca-sys v0.1.0
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr] error: failed to run custom build command for `caca-sys v0.1.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/caca-sys-ec4cc7cdd821c225/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   running: "git" "clone" "https://github.com/cacalabs/libcaca" ".libcaca"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   fatal: could not create work tree dir '.libcaca': 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/caca-sys-0.1.0/build.rs:115:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55da1687b910 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55da1687b910 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55da1687b910 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55da1687b910 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2a772198c4032452
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55da16898bfc - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x55da16879da5 - std::io::Write::write_fmt::h00f38d9eb2c32e02
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/io/mod.rs:1663:15
[INFO] [stderr]      6:     0x55da1687d53b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55da1687d53b - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55da1687d53b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55da1687d011 - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55da1687dc04 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x55da1687d6b7 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:517:13
[INFO] [stderr]     12:     0x55da1687be0c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55da1687d649 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x55da1685f1f1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55da1685f13d - core::panicking::panic::hd695e3b1d0dd4ef4
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x55da16868584 - build_script_build::run::h675335a52c6eb24c
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/caca-sys-0.1.0/build.rs:115:5
[INFO] [stderr]     17:     0x55da16867cb2 - build_script_build::setup::heaeddc367c2bf25c
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/caca-sys-0.1.0/build.rs:30:5
[INFO] [stderr]     18:     0x55da1686795e - build_script_build::main::he82a1bc49d6fb30e
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/caca-sys-0.1.0/build.rs:11:5
[INFO] [stderr]     19:     0x55da168630fb - core::ops::function::FnOnce::call_once::ha5e8bcfd0df0522e
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x55da16862b1e - std::sys_common::backtrace::__rust_begin_short_backtrace::hb654d55170cc8eda
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x55da168625f1 - std::rt::lang_start::{{closure}}::h745c2e71de103ceb
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/rt.rs:63:18
[INFO] [stderr]     22:     0x55da1687e10a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hcbe5785d54a49ce2
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x55da1687e10a - std::panicking::try::do_call::h1c15e7ee8563c29d
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:401:40
[INFO] [stderr]     24:     0x55da1687e10a - std::panicking::try::hb8b07cef009cb4fc
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:365:19
[INFO] [stderr]     25:     0x55da1687e10a - std::panic::catch_unwind::h65a8efbe596bcbb1
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panic.rs:434:14
[INFO] [stderr]     26:     0x55da1687e10a - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/rt.rs:45:48
[INFO] [stderr]     27:     0x55da1687e10a - std::panicking::try::do_call::h29cafa65efb3f3f3
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:401:40
[INFO] [stderr]     28:     0x55da1687e10a - std::panicking::try::h412fc5378b4dbfc4
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:365:19
[INFO] [stderr]     29:     0x55da1687e10a - std::panic::catch_unwind::h555def6aac5bf192
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panic.rs:434:14
[INFO] [stderr]     30:     0x55da1687e10a - std::rt::lang_start_internal::hfff48202d7fee6e3
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/rt.rs:45:20
[INFO] [stderr]     31:     0x55da168625c0 - std::rt::lang_start::h97958b42f239dfe8
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/rt.rs:62:5
[INFO] [stderr]     32:     0x55da1686871c - main
[INFO] [stderr]     33:     0x7f35b100f0b3 - __libc_start_main
[INFO] [stderr]     34:     0x55da1685f94e - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "04f14caa0354ecd7b7d37f731d4b119904a4fefe379551aa5270479685cffc59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04f14caa0354ecd7b7d37f731d4b119904a4fefe379551aa5270479685cffc59", kill_on_drop: false }`
[INFO] [stdout] 04f14caa0354ecd7b7d37f731d4b119904a4fefe379551aa5270479685cffc59