[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#da2544bfbe84df7b24d83c029c74299ebf6112c6 for pr-149681
[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 da2544bfbe84df7b24d83c029c74299ebf6112c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "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" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argh_derive v0.1.1
[INFO] [stderr]   Downloaded opener v0.4.1
[INFO] [stderr]   Downloaded flate2 v1.0.16
[INFO] [stderr]   Downloaded chrono v0.4.12
[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 chunked_transfer v1.2.0
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f4d46fc3c2585a71fc1a4cbfcf0bb0df5e9d7cceda3b4420972dad4af6aee8f
[INFO] running `Command { std: "docker" "start" "-a" "8f4d46fc3c2585a71fc1a4cbfcf0bb0df5e9d7cceda3b4420972dad4af6aee8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f4d46fc3c2585a71fc1a4cbfcf0bb0df5e9d7cceda3b4420972dad4af6aee8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4d46fc3c2585a71fc1a4cbfcf0bb0df5e9d7cceda3b4420972dad4af6aee8f", kill_on_drop: false }`
[INFO] [stdout] 8f4d46fc3c2585a71fc1a4cbfcf0bb0df5e9d7cceda3b4420972dad4af6aee8f
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4786fe9963ce759e93078fb081a52ff645afe5b9770ad80733a3faf6bd7bb7de
[INFO] running `Command { std: "docker" "start" "-a" "4786fe9963ce759e93078fb081a52ff645afe5b9770ad80733a3faf6bd7bb7de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling cc v1.0.57
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling adler v0.2.2
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling syn v1.0.33
[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 log v0.4.8
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]     Checking chunked_transfer v1.2.0
[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 bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling flate2 v1.0.16
[INFO] [stderr]     Checking chrono v0.4.12
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling zip v0.5.6
[INFO] [stderr]     Checking tiny_http v0.7.0
[INFO] [stderr]    Compiling docship v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking argh v0.1.3
[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-724b7d63a699702b/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' (695) 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:     0x56e8638fc2a2 - std[f514fd422ac14668]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x56e8638fc2a2 - std[f514fd422ac14668]::backtrace_rs::backtrace::trace_unsynchronized::<std[f514fd422ac14668]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x56e8638fc2a2 - std[f514fd422ac14668]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/std/src/sys/backtrace.rs:68:9
[INFO] [stderr]      3:     0x56e8638fc2a2 - <<std[f514fd422ac14668]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e0b24a86c947ebab]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/std/src/sys/backtrace.rs:38:26
[INFO] [stderr]      4:     0x56e86390ed57 - <core[e0b24a86c947ebab]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x56e86390ed57 - core[e0b24a86c947ebab]::fmt::write
[INFO] [stderr]      6:     0x56e863901466 - std[f514fd422ac14668]::io::default_write_fmt::<std[f514fd422ac14668]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/std/src/io/mod.rs:614:11
[INFO] [stderr]      7:     0x56e863901466 - <std[f514fd422ac14668]::sys::stdio::unix::Stderr as std[f514fd422ac14668]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/std/src/io/mod.rs:1969:13
[INFO] [stderr]      8:     0x56e8638e129f - <std[f514fd422ac14668]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/std/src/sys/backtrace.rs:41:9
[INFO] [stderr]      9:     0x56e8638e129f - std[f514fd422ac14668]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x56e8638f7de1 - std[f514fd422ac14668]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x56e8638f7f9b - std[f514fd422ac14668]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x56e8638e1358 - std[f514fd422ac14668]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x56e8638d8ec9 - std[f514fd422ac14668]::sys::backtrace::__rust_end_short_backtrace::<std[f514fd422ac14668]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/std/src/sys/backtrace.rs:176:18
[INFO] [stderr]     14:     0x56e8638e1cbd - __rustc[6f3b9f676c2db62c]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x56e86390f3fc - core[e0b24a86c947ebab]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x56e86390f172 - core[e0b24a86c947ebab]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x56e86388c0b2 - <core[e0b24a86c947ebab]::result::Result<std[f514fd422ac14668]::process::ExitStatus, std[f514fd422ac14668]::io::error::Error>>::expect
[INFO] [stderr]     18:     0x56e863897001 - build_script_build[923dba7c66b5dacf]::main
[INFO] [stderr]     19:     0x56e8638951c3 - <fn() as core[e0b24a86c947ebab]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     20:     0x56e863890ef6 - std[f514fd422ac14668]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     21:     0x56e863896a29 - std[f514fd422ac14668]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     22:     0x56e8638f7006 - <&dyn core[e0b24a86c947ebab]::ops::function::Fn<(), Output = i32> + core[e0b24a86c947ebab]::panic::unwind_safe::RefUnwindSafe + core[e0b24a86c947ebab]::marker::Sync as core[e0b24a86c947ebab]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x56e8638f7006 - std[f514fd422ac14668]::panicking::catch_unwind::do_call::<&dyn core[e0b24a86c947ebab]::ops::function::Fn<(), Output = i32> + core[e0b24a86c947ebab]::panic::unwind_safe::RefUnwindSafe + core[e0b24a86c947ebab]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/std/src/panicking.rs:581:40
[INFO] [stderr]     24:     0x56e8638f7006 - std[f514fd422ac14668]::panicking::catch_unwind::<i32, &dyn core[e0b24a86c947ebab]::ops::function::Fn<(), Output = i32> + core[e0b24a86c947ebab]::panic::unwind_safe::RefUnwindSafe + core[e0b24a86c947ebab]::marker::Sync>
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/std/src/panicking.rs:544:19
[INFO] [stderr]     25:     0x56e8638f7006 - std[f514fd422ac14668]::panic::catch_unwind::<&dyn core[e0b24a86c947ebab]::ops::function::Fn<(), Output = i32> + core[e0b24a86c947ebab]::panic::unwind_safe::RefUnwindSafe + core[e0b24a86c947ebab]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x56e8638f7006 - std[f514fd422ac14668]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x56e8638f7006 - std[f514fd422ac14668]::panicking::catch_unwind::do_call::<std[f514fd422ac14668]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/std/src/panicking.rs:581:40
[INFO] [stderr]     28:     0x56e8638f7006 - std[f514fd422ac14668]::panicking::catch_unwind::<isize, std[f514fd422ac14668]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/std/src/panicking.rs:544:19
[INFO] [stderr]     29:     0x56e8638f7006 - std[f514fd422ac14668]::panic::catch_unwind::<std[f514fd422ac14668]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x56e8638f7006 - std[f514fd422ac14668]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/da2544bfbe84df7b24d83c029c74299ebf6112c6/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x56e863895f41 - std[f514fd422ac14668]::rt::lang_start::<()>
[INFO] [stderr]     32:     0x56e863898e45 - main
[INFO] [stderr]     33:     0x7bd9029e31ca - <unknown>
[INFO] [stderr]     34:     0x7bd9029e328b - __libc_start_main
[INFO] [stderr]     35:     0x56e86388a8c5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "4786fe9963ce759e93078fb081a52ff645afe5b9770ad80733a3faf6bd7bb7de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4786fe9963ce759e93078fb081a52ff645afe5b9770ad80733a3faf6bd7bb7de", kill_on_drop: false }`
[INFO] [stdout] 4786fe9963ce759e93078fb081a52ff645afe5b9770ad80733a3faf6bd7bb7de
