[INFO] cloning repository https://github.com/DenSASoftware/docship
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DenSASoftware/docship" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenSASoftware%2Fdocship", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenSASoftware%2Fdocship'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f8cfe41489227863e41725b8ec5cf7e26643d7b
[INFO] checking DenSASoftware/docship against master#04ff05c9c0cfbca33115c5f1b8bb20a66a54b799 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenSASoftware%2Fdocship" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DenSASoftware/docship
[INFO] finished tweaking git repo https://github.com/DenSASoftware/docship
[INFO] tweaked toml for git repo https://github.com/DenSASoftware/docship written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DenSASoftware/docship on toolchain 04ff05c9c0cfbca33115c5f1b8bb20a66a54b799
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DenSASoftware/docship already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny_http v0.7.0
[INFO] [stderr]   Downloaded argh_shared v0.1.1
[INFO] [stderr]   Downloaded argh v0.1.3
[INFO] [stderr]   Downloaded opener v0.4.1
[INFO] [stderr]   Downloaded ascii v1.0.0
[INFO] [stderr]   Downloaded argh_derive v0.1.1
[INFO] [stderr]   Downloaded zip v0.5.6
[INFO] [stderr]   Downloaded chunked_transfer v1.2.0
[INFO] [stderr]   Downloaded chrono v0.4.12
[INFO] [stderr]   Downloaded adler v0.2.2
[INFO] [stderr]   Downloaded syn v1.0.33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 923a5c5548930c1fc557d8d65dc836a7dedf58610a3287c5a60c7a56515c46c3
[INFO] running `Command { std: "docker" "start" "-a" "923a5c5548930c1fc557d8d65dc836a7dedf58610a3287c5a60c7a56515c46c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "923a5c5548930c1fc557d8d65dc836a7dedf58610a3287c5a60c7a56515c46c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "923a5c5548930c1fc557d8d65dc836a7dedf58610a3287c5a60c7a56515c46c3", kill_on_drop: false }`
[INFO] [stdout] 923a5c5548930c1fc557d8d65dc836a7dedf58610a3287c5a60c7a56515c46c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8329f8e5c5665d6e678e83bc29ef05ec9e76cdf73d7241058e54f2755064b70d
[INFO] running `Command { std: "docker" "start" "-a" "8329f8e5c5665d6e678e83bc29ef05ec9e76cdf73d7241058e54f2755064b70d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling cc v1.0.57
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling adler v0.2.2
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]     Checking chunked_transfer v1.2.0
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling flate2 v1.0.16
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking chrono v0.4.12
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.6
[INFO] [stderr]     Checking tiny_http v0.7.0
[INFO] [stderr]    Compiling docship v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr] error: failed to run custom build command for `docship v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/docship-4a32864f469b8817/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=docs/src
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (722) panicked at build.rs:12:10:
[INFO] [stderr]   could not execute mdbook: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5befc6cc5022 - std::backtrace_rs::backtrace::libunwind::trace::h5b10d8d38c4bcd99
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5befc6cc5022 - std::backtrace_rs::backtrace::trace_unsynchronized::h91ff6307cb600af0
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5befc6cc5022 - std::sys::backtrace::_print_fmt::h9aed4c565cef2a51
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5befc6cc5022 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6c686dc381194ca8
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5befc6cd48ff - core::fmt::rt::Argument::fmt::ha6ca7c473cfcc90b
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5befc6cd48ff - core::fmt::write::h2b7e1e4441166417
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x5befc6c9ad43 - std::io::default_write_fmt::h8c98997065cfd9f0
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5befc6c9ad43 - std::io::Write::write_fmt::hdafd4114bd1f888e
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5befc6ca42b2 - std::sys::backtrace::BacktraceLock::print::h77ddc3fa97dc90a9
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5befc6ca5ebc - std::panicking::default_hook::{{closure}}::he8407a3a28791da3
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5befc6ca5d16 - std::panicking::default_hook::h13a7c8af3befd07d
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5befc6ca6495 - std::panicking::panic_with_hook::h2e9e4a8ab29bed1b
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5befc6ca632a - std::panicking::panic_handler::{{closure}}::h532cbb6601506606
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5befc6ca43f9 - std::sys::backtrace::__rust_end_short_backtrace::hc53cbf87d4647961
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5befc6c8f44d - __rustc[8a6c2e5bab0fd969]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5befc6cd8010 - core::panicking::panic_fmt::h6f32932d33196761
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5befc6cd7686 - core::result::unwrap_failed::h333e1e9d882a115c
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/core/src/result.rs:1862:5
[INFO] [stderr]     17:     0x5befc6c4f502 - core::result::Result<T,E>::expect::h6061160e86d2fc1f
[INFO] [stderr]     18:     0x5befc6c56692 - build_script_build::main::he34b807d9248de9f
[INFO] [stderr]     19:     0x5befc6c59b83 - core::ops::function::FnOnce::call_once::hd92578d872cafc46
[INFO] [stderr]     20:     0x5befc6c4ee16 - std::sys::backtrace::__rust_begin_short_backtrace::hd07034908a10af66
[INFO] [stderr]     21:     0x5befc6c59859 - std::rt::lang_start::{{closure}}::hbc131285cf3f928b
[INFO] [stderr]     22:     0x5befc6c9c420 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc778f5eee8f06531
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x5befc6c9c420 - std::panicking::catch_unwind::do_call::h8642eb90ec4f284b
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/std/src/panicking.rs:590:40
[INFO] [stderr]     24:     0x5befc6c9c420 - std::panicking::catch_unwind::h632d5bee465d35bf
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/std/src/panicking.rs:553:19
[INFO] [stderr]     25:     0x5befc6c9c420 - std::panic::catch_unwind::h8614abbdec605ea5
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x5befc6c9c420 - std::rt::lang_start_internal::{{closure}}::he900e0ef1190ed68
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x5befc6c9c420 - std::panicking::catch_unwind::do_call::h802f9473e2c32f11
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/std/src/panicking.rs:590:40
[INFO] [stderr]     28:     0x5befc6c9c420 - std::panicking::catch_unwind::hf04979aa19129a2f
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/std/src/panicking.rs:553:19
[INFO] [stderr]     29:     0x5befc6c9c420 - std::panic::catch_unwind::hee09ad77e8325352
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x5befc6c9c420 - std::rt::lang_start_internal::hd9b9605d3f6093ca
[INFO] [stderr]                                  at /rustc/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x5befc6c59841 - std::rt::lang_start::h0c6c148a1864b68e
[INFO] [stderr]     32:     0x5befc6c59175 - main
[INFO] [stderr]     33:     0x737735f671ca - <unknown>
[INFO] [stderr]     34:     0x737735f6728b - __libc_start_main
[INFO] [stderr]     35:     0x5befc6c4d805 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8329f8e5c5665d6e678e83bc29ef05ec9e76cdf73d7241058e54f2755064b70d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8329f8e5c5665d6e678e83bc29ef05ec9e76cdf73d7241058e54f2755064b70d", kill_on_drop: false }`
[INFO] [stdout] 8329f8e5c5665d6e678e83bc29ef05ec9e76cdf73d7241058e54f2755064b70d
