[INFO] cloning repository https://github.com/Ruin0x11/rust-mapgen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ruin0x11/rust-mapgen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuin0x11%2Frust-mapgen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuin0x11%2Frust-mapgen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 744a9e008cf75006baac60cad786cc0cb3956a05
[INFO] documenting Ruin0x11/rust-mapgen against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuin0x11%2Frust-mapgen" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ruin0x11/rust-mapgen on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ruin0x11/rust-mapgen
[INFO] finished tweaking git repo https://github.com/Ruin0x11/rust-mapgen
[INFO] tweaked toml for git repo https://github.com/Ruin0x11/rust-mapgen written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Ruin0x11/rust-mapgen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Ruin0x11/caca-rs`
[INFO] [stderr]     Updating git repository `https://github.com/Ruin0x11/caca-sys`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", 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] 5f20229dfe7d3a26b644a9639e094a0f00fbc6916c810bc6087cce36779d51ad
[INFO] running `Command { std: "docker" "start" "-a" "5f20229dfe7d3a26b644a9639e094a0f00fbc6916c810bc6087cce36779d51ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f20229dfe7d3a26b644a9639e094a0f00fbc6916c810bc6087cce36779d51ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f20229dfe7d3a26b644a9639e094a0f00fbc6916c810bc6087cce36779d51ad", kill_on_drop: false }`
[INFO] [stdout] 5f20229dfe7d3a26b644a9639e094a0f00fbc6916c810bc6087cce36779d51ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cee0d856c1d86e3dd4edf45c9528b2f06607b43ed23eea74ed7df35875cd84c
[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" "5cee0d856c1d86e3dd4edf45c9528b2f06607b43ed23eea74ed7df35875cd84c", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling caca-sys v0.1.0 (https://github.com/Ruin0x11/caca-sys#9dc28723)
[INFO] [stderr]     Checking macro-attr v0.2.0
[INFO] [stderr]     Checking enum_derive v0.1.7
[INFO] [stderr]     Checking errno v0.2.3
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr] error: failed to run custom build command for `caca-sys v0.1.0 (https://github.com/Ruin0x11/caca-sys#9dc28723)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/caca-sys-69ea8cf90784f566/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/git/checkouts/caca-sys-0677b1fbbf110752/9dc2872/build.rs:115:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5609542d0ee0 - std::backtrace_rs::backtrace::libunwind::trace::h9e3e6d9b3369e699
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x5609542d0ee0 - std::backtrace_rs::backtrace::trace_unsynchronized::he58aba3ac08ed12a
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x5609542d0ee0 - std::sys_common::backtrace::_print_fmt::hbbbd4c92d537cef4
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x5609542d0ee0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h80c2ae080004cc83
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x5609542ee5ec - core::fmt::write::h0c11e16fd03fe660
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]      5:     0x5609542cf097 - std::io::Write::write_fmt::h2e2072ff86131fcd
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/io/mod.rs:1514
[INFO] [stderr]      6:     0x5609542d2fb0 - std::sys_common::backtrace::_print::h165e6476adb4cb58
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x5609542d2fb0 - std::sys_common::backtrace::print::hbbfa32a92cd1fc34
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x5609542d2fb0 - std::panicking::default_hook::{{closure}}::h3a02067ca7f64068
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:200
[INFO] [stderr]      9:     0x5609542d2cfc - std::panicking::default_hook::ha3137d6f4e961fe2
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:219
[INFO] [stderr]     10:     0x5609542d3613 - std::panicking::rust_panic_with_hook::he6505c3b9d82db8b
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:569
[INFO] [stderr]     11:     0x5609542b7c08 - std::panicking::begin_panic::{{closure}}::hb481ddc59a1494ef
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:498
[INFO] [stderr]     12:     0x5609542b9478 - std::sys_common::backtrace::__rust_end_short_backtrace::hfaaef16c01b5a7a4
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x5609542b7b33 - std::panicking::begin_panic::h7c4a0224693844d2
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:497
[INFO] [stderr]     14:     0x5609542b7114 - build_script_build::run::h4ff5eb16d6b2ad1d
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/git/checkouts/caca-sys-0677b1fbbf110752/9dc2872/build.rs:115
[INFO] [stderr]     15:     0x5609542b6811 - build_script_build::setup::hf419cb844d6a9489
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/git/checkouts/caca-sys-0677b1fbbf110752/9dc2872/build.rs:30
[INFO] [stderr]     16:     0x5609542b64ff - build_script_build::main::haea2bc1355a1b95a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/git/checkouts/caca-sys-0677b1fbbf110752/9dc2872/build.rs:11
[INFO] [stderr]     17:     0x5609542b2e8b - core::ops::function::FnOnce::call_once::h9ad1a6a7d78ea5f6
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:227
[INFO] [stderr]     18:     0x5609542b94ae - std::sys_common::backtrace::__rust_begin_short_backtrace::h65a9b24d8324547e
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     19:     0x5609542b4471 - std::rt::lang_start::{{closure}}::hb66d2830106a815b
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:66
[INFO] [stderr]     20:     0x5609542d3a11 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hdabbbe0d2c6ccde8
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:259
[INFO] [stderr]     21:     0x5609542d3a11 - std::panicking::try::do_call::h0c8c1cd19bf9d385
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:373
[INFO] [stderr]     22:     0x5609542d3a11 - std::panicking::try::h357e78da017bc4a8
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:337
[INFO] [stderr]     23:     0x5609542d3a11 - std::panic::catch_unwind::h72f31b36adf61841
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panic.rs:379
[INFO] [stderr]     24:     0x5609542d3a11 - std::rt::lang_start_internal::h634502e153211333
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:51
[INFO] [stderr]     25:     0x5609542b4447 - std::rt::lang_start::hcc13812d6d78f7cf
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:65
[INFO] [stderr]     26:     0x5609542b72ba - main
[INFO] [stderr]     27:     0x7ff113db50b3 - __libc_start_main
[INFO] [stderr]     28:     0x5609542af09e - _start
[INFO] [stderr]     29:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5cee0d856c1d86e3dd4edf45c9528b2f06607b43ed23eea74ed7df35875cd84c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cee0d856c1d86e3dd4edf45c9528b2f06607b43ed23eea74ed7df35875cd84c", kill_on_drop: false }`
[INFO] [stdout] 5cee0d856c1d86e3dd4edf45c9528b2f06607b43ed23eea74ed7df35875cd84c