[INFO] fetching crate caca 0.1.0...
[INFO] checking caca-0.1.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate caca 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate caca 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: path `/workspace/builds/worker-8/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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b3fda797f2a3c0297322fcb4ff736ec35074f0394be341af8af1ca56aae5591
[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" "6b3fda797f2a3c0297322fcb4ff736ec35074f0394be341af8af1ca56aae5591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b3fda797f2a3c0297322fcb4ff736ec35074f0394be341af8af1ca56aae5591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b3fda797f2a3c0297322fcb4ff736ec35074f0394be341af8af1ca56aae5591", kill_on_drop: false }`
[INFO] [stdout] 6b3fda797f2a3c0297322fcb4ff736ec35074f0394be341af8af1ca56aae5591
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba46e67b4295b5843d196863382937e8cb7310f36e9b43fd8699655784a3b9b5
[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" "ba46e67b4295b5843d196863382937e8cb7310f36e9b43fd8699655784a3b9b5", 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 v0.2.6
[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-d8fc81077817cc40/build-script-build` (exit code: 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:     0x55c9ea662be5 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x55c9ea662be5 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55c9ea662be5 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x55c9ea662be5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdb4a83d2b61107e5
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x55c9ea684bcc - core::fmt::write::ha20e7262fa3e8a7a
[INFO] [stderr]                                  at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]      5:     0x55c9ea660c02 - std::io::Write::write_fmt::h1aebfe8a5a79e36d
[INFO] [stderr]                                  at src/libstd/io/mod.rs:1537
[INFO] [stderr]      6:     0x55c9ea665020 - std::sys_common::backtrace::_print::h9c07314cc66ba539
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x55c9ea665020 - std::sys_common::backtrace::print::hd1fd65f49a2d8544
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x55c9ea665020 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc
[INFO] [stderr]                                  at src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x55c9ea664d6c - std::panicking::default_hook::hc5868949d129ed00
[INFO] [stderr]                                  at src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x55c9ea665663 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8
[INFO] [stderr]                                  at src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x55c9ea652fa5 - std::panicking::begin_panic::h7cb18473fcf7891b
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:456
[INFO] [stderr]     12:     0x55c9ea655314 - build_script_build::run::h801b03e9c71eaf9a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/caca-sys-0.1.0/build.rs:115
[INFO] [stderr]     13:     0x55c9ea654a11 - build_script_build::setup::hebbc6edda1022fa4
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/caca-sys-0.1.0/build.rs:30
[INFO] [stderr]     14:     0x55c9ea6546ff - build_script_build::main::hd1cbf67fda58cdc2
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/caca-sys-0.1.0/build.rs:11
[INFO] [stderr]     15:     0x55c9ea652efb - std::rt::lang_start::{{closure}}::h5172eeabd7e9a280
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]     16:     0x55c9ea665a33 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70
[INFO] [stderr]                                  at src/libstd/rt.rs:52
[INFO] [stderr]     17:     0x55c9ea665a33 - std::panicking::try::do_call::he8e1d689a3e26def
[INFO] [stderr]                                  at src/libstd/panicking.rs:348
[INFO] [stderr]     18:     0x55c9ea665a33 - std::panicking::try::h264b6eebc2fa7bbf
[INFO] [stderr]                                  at src/libstd/panicking.rs:325
[INFO] [stderr]     19:     0x55c9ea665a33 - std::panic::catch_unwind::hbf28fafa723b2128
[INFO] [stderr]                                  at src/libstd/panic.rs:394
[INFO] [stderr]     20:     0x55c9ea665a33 - std::rt::lang_start_internal::he959aa59bc3ec202
[INFO] [stderr]                                  at src/libstd/rt.rs:51
[INFO] [stderr]     21:     0x55c9ea652ed7 - std::rt::lang_start::h7d7ae97635483911
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]     22:     0x55c9ea6554ba - main
[INFO] [stderr]     23:     0x7f312d9630b3 - __libc_start_main
[INFO] [stderr]     24:     0x55c9ea64d17e - _start
[INFO] [stderr]     25:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "ba46e67b4295b5843d196863382937e8cb7310f36e9b43fd8699655784a3b9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba46e67b4295b5843d196863382937e8cb7310f36e9b43fd8699655784a3b9b5", kill_on_drop: false }`
[INFO] [stdout] ba46e67b4295b5843d196863382937e8cb7310f36e9b43fd8699655784a3b9b5
