[INFO] cloning repository https://github.com/adubois/rust-books [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adubois/rust-books" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadubois%2Frust-books", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadubois%2Frust-books'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ec5a474deaea1cd47a310d80dc079774b20a44de [INFO] documenting adubois/rust-books 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%2Fadubois%2Frust-books" "/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/adubois/rust-books 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/adubois/rust-books [INFO] finished tweaking git repo https://github.com/adubois/rust-books [INFO] tweaked toml for git repo https://github.com/adubois/rust-books written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/adubois/rust-books 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 `http://github.com/SergioBenitez/Pear` [INFO] [stderr] Updating git repository `https://github.com/SergioBenitez/derive-utils` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded isatty v0.1.9 [INFO] [stderr] Downloaded serde v1.0.79 [INFO] [stderr] Downloaded fsevent-sys v0.1.6 [INFO] [stderr] Downloaded fsevent v0.2.17 [INFO] [stderr] Downloaded r2d2 v0.8.2 [INFO] [stderr] Downloaded scheduled-thread-pool v0.2.0 [INFO] [stderr] Downloaded filetime v0.2.1 [INFO] [stderr] Downloaded diesel_derives v1.3.0 [INFO] [stderr] Downloaded diesel v1.3.3 [INFO] [stderr] Downloaded syn v0.15.9 [INFO] [stderr] Downloaded failure_derive v0.1.2 [INFO] [stderr] Downloaded cookie v0.11.0 [INFO] [stderr] Downloaded failure v0.1.2 [INFO] [stderr] Downloaded tokio-io v0.1.9 [INFO] [stderr] Downloaded serde_json v1.0.32 [INFO] [stderr] Downloaded walkdir v2.2.5 [INFO] [stderr] Downloaded notify v4.0.6 [INFO] [stderr] Downloaded synstructure v0.9.0 [INFO] [stderr] Downloaded serde_derive v1.0.79 [INFO] [stderr] Downloaded same-file v1.0.3 [INFO] [stderr] Downloaded ring v0.13.2 [INFO] [stderr] Downloaded ryu v0.2.6 [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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f195174f3553c2faa99e2fe1adccf177fde5b2404d689976f938a7645446405d [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" "f195174f3553c2faa99e2fe1adccf177fde5b2404d689976f938a7645446405d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f195174f3553c2faa99e2fe1adccf177fde5b2404d689976f938a7645446405d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f195174f3553c2faa99e2fe1adccf177fde5b2404d689976f938a7645446405d", kill_on_drop: false }` [INFO] [stdout] f195174f3553c2faa99e2fe1adccf177fde5b2404d689976f938a7645446405d [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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d1b1dbd4cc676b28fc910b8bf0481d2a6cbd00bd0c281fedfd8d65e2a6b033aa [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" "d1b1dbd4cc676b28fc910b8bf0481d2a6cbd00bd0c281fedfd8d65e2a6b033aa", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Checking lazycell v1.2.0 [INFO] [stderr] Compiling indexmap v1.0.1 [INFO] [stderr] Compiling ring v0.13.2 [INFO] [stderr] Compiling pear_codegen v0.1.0 (http://github.com/SergioBenitez/Pear?rev=d221e16dd#d221e16d) [INFO] [stderr] Compiling rocket_codegen_next v0.4.0-dev (https://github.com/SergioBenitez/Rocket#085a1430) [INFO] [stderr] Compiling rocket v0.4.0-dev (https://github.com/SergioBenitez/Rocket#085a1430) [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking filetime v0.2.1 [INFO] [stderr] Checking tokio-executor v0.1.5 [INFO] [stderr] Checking bytes v0.4.10 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking toml v0.4.8 [INFO] [stderr] Checking serde_json v1.0.32 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking diesel v1.3.3 [INFO] [stderr] Checking url v1.7.1 [INFO] [stderr] Checking tokio-io v0.1.9 [INFO] [stderr] error: failed to run custom build command for `rocket v0.4.0-dev (https://github.com/SergioBenitez/Rocket#085a1430)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rocket-adde4b90fb437c2c/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Error: Rocket requires a nightly or dev version of Rust. [INFO] [stderr] Installed version is: 1.47.0-beta.2 (2020-08-28). Minimum required: 1.31.0-nightly (2018-10-05). [INFO] [stderr] See the getting started guide (https://rocket.rs/guide/getting-started/) for more information. [INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/git/checkouts/rocket-8bf16d9ca7e90bdc/085a143/core/lib/build.rs:38:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55c300755280 - std::backtrace_rs::backtrace::libunwind::trace::h9e3e6d9b3369e699 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x55c300755280 - std::backtrace_rs::backtrace::trace_unsynchronized::he58aba3ac08ed12a [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55c300755280 - std::sys_common::backtrace::_print_fmt::hbbbd4c92d537cef4 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x55c300755280 - ::fmt::h80c2ae080004cc83 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x55c3007726ec - core::fmt::write::h0c11e16fd03fe660 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/fmt/mod.rs:1082 [INFO] [stderr] 5: 0x55c300752aa7 - std::io::Write::write_fmt::h2e2072ff86131fcd [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/io/mod.rs:1514 [INFO] [stderr] 6: 0x55c300757350 - std::sys_common::backtrace::_print::h165e6476adb4cb58 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x55c300757350 - std::sys_common::backtrace::print::hbbfa32a92cd1fc34 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x55c300757350 - std::panicking::default_hook::{{closure}}::h3a02067ca7f64068 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:200 [INFO] [stderr] 9: 0x55c30075709c - std::panicking::default_hook::ha3137d6f4e961fe2 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:219 [INFO] [stderr] 10: 0x55c3007579b3 - std::panicking::rust_panic_with_hook::he6505c3b9d82db8b [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:569 [INFO] [stderr] 11: 0x55c300724d08 - std::panicking::begin_panic::{{closure}}::h73b5ba8d952d3329 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:498 [INFO] [stderr] 12: 0x55c300723ea8 - std::sys_common::backtrace::__rust_end_short_backtrace::hbf00892474dbc8f8 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x55c300724c33 - std::panicking::begin_panic::h61ad684994403d82 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:497 [INFO] [stderr] 14: 0x55c3007229a4 - build_script_build::main::hb93e52e091c99d46 [INFO] [stderr] at /opt/rustwide/cargo-home/git/checkouts/rocket-8bf16d9ca7e90bdc/085a143/core/lib/build.rs:38 [INFO] [stderr] 15: 0x55c300723fbb - core::ops::function::FnOnce::call_once::h56071a088ba1e0cc [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:227 [INFO] [stderr] 16: 0x55c300723ede - std::sys_common::backtrace::__rust_begin_short_backtrace::h9462c9c326a670f8 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 17: 0x55c300723ca1 - std::rt::lang_start::{{closure}}::h3fec8de868f507fa [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:66 [INFO] [stderr] 18: 0x55c300757db1 - core::ops::function::impls:: for &F>::call_once::hdabbbe0d2c6ccde8 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:259 [INFO] [stderr] 19: 0x55c300757db1 - std::panicking::try::do_call::h0c8c1cd19bf9d385 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:373 [INFO] [stderr] 20: 0x55c300757db1 - std::panicking::try::h357e78da017bc4a8 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:337 [INFO] [stderr] 21: 0x55c300757db1 - std::panic::catch_unwind::h72f31b36adf61841 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panic.rs:379 [INFO] [stderr] 22: 0x55c300757db1 - std::rt::lang_start_internal::h634502e153211333 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:51 [INFO] [stderr] 23: 0x55c300723c77 - std::rt::lang_start::h1221ab16bc790627 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:65 [INFO] [stderr] 24: 0x55c30072383a - main [INFO] [stderr] 25: 0x7fe2e9f010b3 - __libc_start_main [INFO] [stderr] 26: 0x55c3007220ae - _start [INFO] [stderr] 27: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "d1b1dbd4cc676b28fc910b8bf0481d2a6cbd00bd0c281fedfd8d65e2a6b033aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1b1dbd4cc676b28fc910b8bf0481d2a6cbd00bd0c281fedfd8d65e2a6b033aa", kill_on_drop: false }` [INFO] [stdout] d1b1dbd4cc676b28fc910b8bf0481d2a6cbd00bd0c281fedfd8d65e2a6b033aa