[INFO] cloning repository https://github.com/mrandri19/jenga
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrandri19/jenga" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrandri19%2Fjenga", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrandri19%2Fjenga'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cdaaf79e208f5ee8087a64c008f14eda8fed45ab
[INFO] documenting mrandri19/jenga against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrandri19%2Fjenga" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrandri19/jenga on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mrandri19/jenga
[INFO] finished tweaking git repo https://github.com/mrandri19/jenga
[INFO] tweaked toml for git repo https://github.com/mrandri19/jenga written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mrandri19/jenga already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pear_codegen v0.0.18
[INFO] [stderr]   Downloaded rocket_contrib v0.3.14
[INFO] [stderr]   Downloaded rocket v0.3.14
[INFO] [stderr]   Downloaded rocket_codegen v0.3.14
[INFO] [stderr]   Downloaded pear v0.0.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92d9c71781e805247e8cf5129239db69091d036de8fbfd16e51f70d850ac93cd
[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" "92d9c71781e805247e8cf5129239db69091d036de8fbfd16e51f70d850ac93cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92d9c71781e805247e8cf5129239db69091d036de8fbfd16e51f70d850ac93cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d9c71781e805247e8cf5129239db69091d036de8fbfd16e51f70d850ac93cd", kill_on_drop: false }`
[INFO] [stdout] 92d9c71781e805247e8cf5129239db69091d036de8fbfd16e51f70d850ac93cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 0e8a4265d2cf334247dc6c4b32fad25bcc97a36c876a9ba5f401ab349826a923
[INFO] running `Command { std: "docker" "start" "-a" "0e8a4265d2cf334247dc6c4b32fad25bcc97a36c876a9ba5f401ab349826a923", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]     Checking untrusted v0.5.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling ordermap v0.2.13
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]    Compiling smallvec v0.6.2
[INFO] [stderr]     Checking state v0.4.1
[INFO] [stderr]     Checking pear v0.0.18
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking isatty v0.1.8
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling pear_codegen v0.0.18
[INFO] [stderr]    Compiling rocket v0.3.14
[INFO] [stderr]    Compiling rocket_codegen v0.3.14
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.0.18`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/pear_codegen-7eb2ca4aec2be697/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   [1;31mError:[0m [37mPear requires a nightly or dev version of Rust.[0m
[INFO] [stderr]   [37mInstalled version is:[0m [33m1.48.0-beta.2 (2020-10-08)[0m. [37mMinimum required:[0m [33m1.28.0-nightly (2018-06-23)[0m.
[INFO] [stderr]   thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.18/build.rs:31:13
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55c9e0533c00 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55c9e0533c00 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55c9e0533c00 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x55c9e0533c00 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55c9e055068c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x55c9e05311f2 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]      6:     0x55c9e0535d2d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55c9e0535d2d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55c9e0535d2d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x55c9e05359d8 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x55c9e05363b1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x55c9e0504928 - std::panicking::begin_panic::{{closure}}::h97008485b9c81a3c
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:506
[INFO] [stderr]     12:     0x55c9e0503ab8 - std::sys_common::backtrace::__rust_end_short_backtrace::ha1081e100f48b6b3
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x55c9e0504853 - std::panicking::begin_panic::h4c63c1f3f2b7a068
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:505
[INFO] [stderr]     14:     0x55c9e0502742 - build_script_build::main::h0b9164b330afa0fd
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.18/build.rs:31
[INFO] [stderr]     15:     0x55c9e0504e9b - core::ops::function::FnOnce::call_once::he33835ed62d62564
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]     16:     0x55c9e0503aee - std::sys_common::backtrace::__rust_begin_short_backtrace::h233df8bb841b5942
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     17:     0x55c9e05039b1 - std::rt::lang_start::{{closure}}::h13572aaf05e2429f
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:66
[INFO] [stderr]     18:     0x55c9e05367d7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h908982dfc31b926f
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:259
[INFO] [stderr]     19:     0x55c9e05367d7 - std::panicking::try::do_call::h92777899503b7584
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]     20:     0x55c9e05367d7 - std::panicking::try::h8815656b2b76e792
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]     21:     0x55c9e05367d7 - std::panic::catch_unwind::h112ab81228f50b46
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]     22:     0x55c9e05367d7 - std::rt::lang_start_internal::h1772a706c7575c24
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:51
[INFO] [stderr]     23:     0x55c9e0503987 - std::rt::lang_start::hd031b11ec9852eac
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:65
[INFO] [stderr]     24:     0x55c9e050354a - main
[INFO] [stderr]     25:     0x7f0c1c4790b3 - __libc_start_main
[INFO] [stderr]     26:     0x55c9e05020ae - _start
[INFO] [stderr]     27:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0e8a4265d2cf334247dc6c4b32fad25bcc97a36c876a9ba5f401ab349826a923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e8a4265d2cf334247dc6c4b32fad25bcc97a36c876a9ba5f401ab349826a923", kill_on_drop: false }`
[INFO] [stdout] 0e8a4265d2cf334247dc6c4b32fad25bcc97a36c876a9ba5f401ab349826a923
