[INFO] cloning repository https://github.com/maroon8021/rust-sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maroon8021/rust-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaroon8021%2Frust-sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaroon8021%2Frust-sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddd91855430306be2ea43d12645e454fdbffa6d4
[INFO] documenting maroon8021/rust-sample 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%2Fmaroon8021%2Frust-sample" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maroon8021/rust-sample 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/maroon8021/rust-sample
[INFO] finished tweaking git repo https://github.com/maroon8021/rust-sample
[INFO] tweaked toml for git repo https://github.com/maroon8021/rust-sample written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/maroon8021/rust-sample 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 5f55418a5f734f0a36fc5a915fdebacaaed0186e807ecc13fe6eda8ecb51c2bc
[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" "5f55418a5f734f0a36fc5a915fdebacaaed0186e807ecc13fe6eda8ecb51c2bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f55418a5f734f0a36fc5a915fdebacaaed0186e807ecc13fe6eda8ecb51c2bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f55418a5f734f0a36fc5a915fdebacaaed0186e807ecc13fe6eda8ecb51c2bc", kill_on_drop: false }`
[INFO] [stdout] 5f55418a5f734f0a36fc5a915fdebacaaed0186e807ecc13fe6eda8ecb51c2bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 19c8d39d72b2d26206560f89167fb65ba2bfeb1d2130fda9e176bd6e97fe3d0a
[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" "19c8d39d72b2d26206560f89167fb65ba2bfeb1d2130fda9e176bd6e97fe3d0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling zeroize v1.1.1
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling hashbrown v0.9.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling pear_codegen v0.1.4
[INFO] [stderr]    Compiling rocket_codegen v0.4.5
[INFO] [stderr]    Compiling rocket v0.4.5
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking universal-hash v0.3.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking aead v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking polyval v0.3.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr] error: failed to run custom build command for `rocket v0.4.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rocket-032b50c8519eaf1e/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   [1;31mError:[0m [1mRocket (core) requires a 'dev' or 'nightly' version of rustc.[0m
[INFO] [stderr]   Installed version: [33m1.48.0 (2020-10-08)[0m
[INFO] [stderr]   Minimum required:  [33m1.35.0-nightly (2019-04-05)[0m
[INFO] [stderr]   [34mSee the getting started guide ([0mhttps://rocket.rs/v0.5/guide/getting-started/[34m) for more information.[0m
[INFO] [stderr]   thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.4.5/build.rs:29:13
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55d2e7c79d60 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55d2e7c79d60 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55d2e7c79d60 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x55d2e7c79d60 - <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:     0x55d2e7c967ec - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x55d2e7c77352 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]      6:     0x55d2e7c7be8d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55d2e7c7be8d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55d2e7c7be8d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x55d2e7c7bb38 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x55d2e7c7c511 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x55d2e7c4adf8 - std::panicking::begin_panic::{{closure}}::hcdcc7cf1153b8cc7
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:506
[INFO] [stderr]     12:     0x55d2e7c48568 - std::sys_common::backtrace::__rust_end_short_backtrace::h0dfd080d0fd1a963
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x55d2e7c4ad23 - std::panicking::begin_panic::h2b41fd371e4093d4
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:505
[INFO] [stderr]     14:     0x55d2e7c46a41 - build_script_build::main::he7466b437df7656d
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.4.5/build.rs:29
[INFO] [stderr]     15:     0x55d2e7c4889b - core::ops::function::FnOnce::call_once::h2c31165c6ef392cc
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]     16:     0x55d2e7c4859e - std::sys_common::backtrace::__rust_begin_short_backtrace::h5a2aa116b93d56da
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     17:     0x55d2e7c48cc1 - std::rt::lang_start::{{closure}}::haf679af63b02b319
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:66
[INFO] [stderr]     18:     0x55d2e7c7c937 - 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:     0x55d2e7c7c937 - std::panicking::try::do_call::h92777899503b7584
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]     20:     0x55d2e7c7c937 - std::panicking::try::h8815656b2b76e792
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]     21:     0x55d2e7c7c937 - std::panic::catch_unwind::h112ab81228f50b46
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]     22:     0x55d2e7c7c937 - std::rt::lang_start_internal::h1772a706c7575c24
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:51
[INFO] [stderr]     23:     0x55d2e7c48c97 - std::rt::lang_start::h99077b4cc91103b0
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:65
[INFO] [stderr]     24:     0x55d2e7c471aa - main
[INFO] [stderr]     25:     0x7fde93dc10b3 - __libc_start_main
[INFO] [stderr]     26:     0x55d2e7c460ae - _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" "19c8d39d72b2d26206560f89167fb65ba2bfeb1d2130fda9e176bd6e97fe3d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c8d39d72b2d26206560f89167fb65ba2bfeb1d2130fda9e176bd6e97fe3d0a", kill_on_drop: false }`
[INFO] [stdout] 19c8d39d72b2d26206560f89167fb65ba2bfeb1d2130fda9e176bd6e97fe3d0a
