[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#c797096598b80ba4a40397ad7e91584fcd3df5f1 for pr-146377
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenSASoftware%2Fdocship" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DenSASoftware/docship on toolchain c797096598b80ba4a40397ad7e91584fcd3df5f1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "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" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded adler v0.2.2
[INFO] [stderr]   Downloaded zip v0.5.6
[INFO] [stderr]   Downloaded podio v0.1.7
[INFO] [stderr]   Downloaded cc v1.0.57
[INFO] [stderr]   Downloaded argh_shared v0.1.1
[INFO] [stderr]   Downloaded bzip2 v0.3.3
[INFO] [stderr]   Downloaded argh_derive v0.1.1
[INFO] [stderr]   Downloaded opener v0.4.1
[INFO] [stderr]   Downloaded argh v0.1.3
[INFO] [stderr]   Downloaded chunked_transfer v1.2.0
[INFO] [stderr]   Downloaded tiny_http v0.7.0
[INFO] [stderr]   Downloaded flate2 v1.0.16
[INFO] [stderr]   Downloaded chrono v0.4.12
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] [stderr]   Downloaded bzip2-sys v0.1.9+1.0.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2210ef68a93e7eb2eec538ff88b610436785f06a7942db185e680c56db98bf7
[INFO] running `Command { std: "docker" "start" "-a" "c2210ef68a93e7eb2eec538ff88b610436785f06a7942db185e680c56db98bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2210ef68a93e7eb2eec538ff88b610436785f06a7942db185e680c56db98bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2210ef68a93e7eb2eec538ff88b610436785f06a7942db185e680c56db98bf7", kill_on_drop: false }`
[INFO] [stdout] c2210ef68a93e7eb2eec538ff88b610436785f06a7942db185e680c56db98bf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fa671613ae652709135805953f889b5dca49eba504cc0b05b3008288cdc065c
[INFO] running `Command { std: "docker" "start" "-a" "8fa671613ae652709135805953f889b5dca49eba504cc0b05b3008288cdc065c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling cc v1.0.57
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling adler v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling flate2 v1.0.16
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking chrono v0.4.12
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking chunked_transfer v1.2.0
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking tiny_http v0.7.0
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling zip v0.5.6
[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-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' (622) 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:     0x5d93b3cebed2 - std[cfc83a97df88b496]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5d93b3cebed2 - std[cfc83a97df88b496]::backtrace_rs::backtrace::trace_unsynchronized::<std[cfc83a97df88b496]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5d93b3cebed2 - std[cfc83a97df88b496]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5d93b3cebed2 - <<std[cfc83a97df88b496]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[2d9491cc9f4b8538]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5d93b3cfe9d7 - <core[2d9491cc9f4b8538]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5d93b3cfe9d7 - core[2d9491cc9f4b8538]::fmt::write
[INFO] [stderr]      6:     0x5d93b3cf1076 - std[cfc83a97df88b496]::io::default_write_fmt::<std[cfc83a97df88b496]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5d93b3cf1076 - <std[cfc83a97df88b496]::sys::stdio::unix::Stderr as std[cfc83a97df88b496]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x5d93b3cd128c - <std[cfc83a97df88b496]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5d93b3cd128c - std[cfc83a97df88b496]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/std/src/panicking.rs:293:27
[INFO] [stderr]     10:     0x5d93b3ce7b61 - std[cfc83a97df88b496]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/std/src/panicking.rs:320:9
[INFO] [stderr]     11:     0x5d93b3ce7d1b - std[cfc83a97df88b496]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/std/src/panicking.rs:826:13
[INFO] [stderr]     12:     0x5d93b3cd1348 - std[cfc83a97df88b496]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/std/src/panicking.rs:699:13
[INFO] [stderr]     13:     0x5d93b3cc66c9 - std[cfc83a97df88b496]::sys::backtrace::__rust_end_short_backtrace::<std[cfc83a97df88b496]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5d93b3cd1cad - __rustc[356ffa2ddb3a95c6]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/std/src/panicking.rs:690:5
[INFO] [stderr]     15:     0x5d93b3cff07c - core[2d9491cc9f4b8538]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5d93b3cfedf2 - core[2d9491cc9f4b8538]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x5d93b3c7f882 - <core[2d9491cc9f4b8538]::result::Result<std[cfc83a97df88b496]::process::ExitStatus, std[cfc83a97df88b496]::io::error::Error>>::expect
[INFO] [stderr]     18:     0x5d93b3c82e21 - build_script_build[6e0e49a2a5ef823e]::main
[INFO] [stderr]     19:     0x5d93b3c883d3 - <fn() as core[2d9491cc9f4b8538]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     20:     0x5d93b3c7a916 - std[cfc83a97df88b496]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     21:     0x5d93b3c7f639 - std[cfc83a97df88b496]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     22:     0x5d93b3ce6dea - <&dyn core[2d9491cc9f4b8538]::ops::function::Fn<(), Output = i32> + core[2d9491cc9f4b8538]::panic::unwind_safe::RefUnwindSafe + core[2d9491cc9f4b8538]::marker::Sync as core[2d9491cc9f4b8538]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x5d93b3ce6dea - std[cfc83a97df88b496]::panicking::catch_unwind::do_call::<&dyn core[2d9491cc9f4b8538]::ops::function::Fn<(), Output = i32> + core[2d9491cc9f4b8538]::panic::unwind_safe::RefUnwindSafe + core[2d9491cc9f4b8538]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/std/src/panicking.rs:582:40
[INFO] [stderr]     24:     0x5d93b3ce6dea - std[cfc83a97df88b496]::panicking::catch_unwind::<i32, &dyn core[2d9491cc9f4b8538]::ops::function::Fn<(), Output = i32> + core[2d9491cc9f4b8538]::panic::unwind_safe::RefUnwindSafe + core[2d9491cc9f4b8538]::marker::Sync>
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/std/src/panicking.rs:545:19
[INFO] [stderr]     25:     0x5d93b3ce6dea - std[cfc83a97df88b496]::panic::catch_unwind::<&dyn core[2d9491cc9f4b8538]::ops::function::Fn<(), Output = i32> + core[2d9491cc9f4b8538]::panic::unwind_safe::RefUnwindSafe + core[2d9491cc9f4b8538]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x5d93b3ce6dea - std[cfc83a97df88b496]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x5d93b3ce6dea - std[cfc83a97df88b496]::panicking::catch_unwind::do_call::<std[cfc83a97df88b496]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/std/src/panicking.rs:582:40
[INFO] [stderr]     28:     0x5d93b3ce6dea - std[cfc83a97df88b496]::panicking::catch_unwind::<isize, std[cfc83a97df88b496]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/std/src/panicking.rs:545:19
[INFO] [stderr]     29:     0x5d93b3ce6dea - std[cfc83a97df88b496]::panic::catch_unwind::<std[cfc83a97df88b496]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x5d93b3ce6dea - std[cfc83a97df88b496]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/c797096598b80ba4a40397ad7e91584fcd3df5f1/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x5d93b3c7f361 - std[cfc83a97df88b496]::rt::lang_start::<()>
[INFO] [stderr]     32:     0x5d93b3c855c5 - main
[INFO] [stderr]     33:     0x74e60e6901ca - <unknown>
[INFO] [stderr]     34:     0x74e60e69028b - __libc_start_main
[INFO] [stderr]     35:     0x5d93b3c79ec5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8fa671613ae652709135805953f889b5dca49eba504cc0b05b3008288cdc065c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa671613ae652709135805953f889b5dca49eba504cc0b05b3008288cdc065c", kill_on_drop: false }`
[INFO] [stdout] 8fa671613ae652709135805953f889b5dca49eba504cc0b05b3008288cdc065c
