[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 try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenSASoftware%2Fdocship" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DenSASoftware/docship on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] crate git repo https://github.com/DenSASoftware/docship already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ascii v1.0.0
[INFO] [stderr]   Downloaded opener v0.4.1
[INFO] [stderr]   Downloaded chunked_transfer v1.2.0
[INFO] [stderr]   Downloaded tiny_http v0.7.0
[INFO] [stderr]   Downloaded chrono v0.4.12
[INFO] [stderr]   Downloaded cc v1.0.57
[INFO] [stderr]   Downloaded adler v0.2.2
[INFO] [stderr]   Downloaded podio v0.1.7
[INFO] [stderr]   Downloaded bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]   Downloaded zip v0.5.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 555a86f24377130eb8d45137c81df81a1607b38e7ecd88bd3d397b1578995fae
[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" "555a86f24377130eb8d45137c81df81a1607b38e7ecd88bd3d397b1578995fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "555a86f24377130eb8d45137c81df81a1607b38e7ecd88bd3d397b1578995fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "555a86f24377130eb8d45137c81df81a1607b38e7ecd88bd3d397b1578995fae", kill_on_drop: false }`
[INFO] [stdout] 555a86f24377130eb8d45137c81df81a1607b38e7ecd88bd3d397b1578995fae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a2879993b434e232ebba81ccc62499efafb74103dfcdbc5d7faa0eb78ee38d8
[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" "7a2879993b434e232ebba81ccc62499efafb74103dfcdbc5d7faa0eb78ee38d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling adler v0.2.2
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking chunked_transfer v1.2.0
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling zip v0.5.6
[INFO] [stderr]     Checking chrono v0.4.12
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling docship v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tiny_http v0.7.0
[INFO] [stderr] error: failed to run custom build command for `docship v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/docship-cd66ead7f1dc0232/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=docs/src
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'could not execute mdbook: Os { code: 2, kind: NotFound, message: "No such file or directory" }', build.rs:12:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x561d66b7e750 - std::backtrace_rs::backtrace::libunwind::trace::hec7eaac9435d3512
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x561d66b7e750 - std::backtrace_rs::backtrace::trace_unsynchronized::h42791b8fa12b7daa
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x561d66b7e750 - std::sys_common::backtrace::_print_fmt::h3da3ebe04fb665a8
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x561d66b7e750 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he40bcdde3c4491cd
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x561d66b9c48f - core::fmt::write::h2c729149c08098ab
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x561d66b7c9c5 - std::io::Write::write_fmt::h28e0f2f58b8d7b7e
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/io/mod.rs:1580:15
[INFO] [stderr]      6:     0x561d66b8028b - std::sys_common::backtrace::_print::h7f0223b1e3d898fc
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x561d66b8028b - std::sys_common::backtrace::print::h58edd634a14c2d4c
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x561d66b8028b - std::panicking::default_hook::{{closure}}::h71657a7591430164
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x561d66b7fd6d - std::panicking::default_hook::hcdf4eb5db072c85b
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x561d66b8083d - std::panicking::rust_panic_with_hook::hfb91e961ffb5b8e0
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x561d66b80437 - std::panicking::begin_panic_handler::{{closure}}::h984d540e84311150
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x561d66b7ebec - std::sys_common::backtrace::__rust_end_short_backtrace::h32354258ff2aecd1
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x561d66b80399 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x561d66b04491 - core::panicking::panic_fmt::he3827412471ccbb1
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x561d66b04523 - core::result::unwrap_failed::h6e66654d198da7bd
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x561d66b1726c - core::result::Result<T,E>::expect::h567320f9057377da
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/core/src/result.rs:997:23
[INFO] [stderr]     17:     0x561d66b10393 - build_script_build::main::had7a09011d911276
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:9:25
[INFO] [stderr]     18:     0x561d66b11b0b - core::ops::function::FnOnce::call_once::ha086b2372a132f90
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x561d66b0d4ee - std::sys_common::backtrace::__rust_begin_short_backtrace::hd384a0e971ec3226
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x561d66b0b081 - std::rt::lang_start::{{closure}}::hf14518b3b8f48fe1
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x561d66b80c3a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd5953dadf0bc8f54
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x561d66b80c3a - std::panicking::try::do_call::h23b369f1996fb7d4
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x561d66b80c3a - std::panicking::try::he017ee9ed6bce192
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x561d66b80c3a - std::panic::catch_unwind::hbfb892340a78b30d
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panic.rs:431:14
[INFO] [stderr]     25:     0x561d66b80c3a - std::rt::lang_start_internal::hce6e4c0ce56abb51
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x561d66b0b060 - std::rt::lang_start::hb85b381c67f191fc
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x561d66b10dec - main
[INFO] [stderr]     28:     0x7f99e9b3a0b3 - __libc_start_main
[INFO] [stderr]     29:     0x561d66b04bce - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7a2879993b434e232ebba81ccc62499efafb74103dfcdbc5d7faa0eb78ee38d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a2879993b434e232ebba81ccc62499efafb74103dfcdbc5d7faa0eb78ee38d8", kill_on_drop: false }`
[INFO] [stdout] 7a2879993b434e232ebba81ccc62499efafb74103dfcdbc5d7faa0eb78ee38d8