[INFO] fetching crate pre-commit 0.5.2...
[INFO] documenting pre-commit-0.5.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate pre-commit 0.5.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pre-commit 0.5.2 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pre-commit 0.5.2
[INFO] finished tweaking crates.io crate pre-commit 0.5.2
[INFO] tweaked toml for crates.io crate pre-commit 0.5.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00ba1ef8b819b33b14863d96604722b6151902e7b7f432cacb08237158b749f5
[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" "00ba1ef8b819b33b14863d96604722b6151902e7b7f432cacb08237158b749f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00ba1ef8b819b33b14863d96604722b6151902e7b7f432cacb08237158b749f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00ba1ef8b819b33b14863d96604722b6151902e7b7f432cacb08237158b749f5", kill_on_drop: false }`
[INFO] [stdout] 00ba1ef8b819b33b14863d96604722b6151902e7b7f432cacb08237158b749f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 889c2c8d8ddb6e41fd9f4c706a8f312bba2c0480554d38e2da26383107a7c3dd
[INFO] running `Command { std: "docker" "start" "-a" "889c2c8d8ddb6e41fd9f4c706a8f312bba2c0480554d38e2da26383107a7c3dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling pre-commit v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `pre-commit v0.5.2 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/pre-commit-68a03ed419bd8aa1/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   looking for root in "/opt/rustwide/target/debug/build/pre-commit-7e1a4a6e6e9eeaf0/out"
[INFO] [stderr]   looking for root in "/opt/rustwide/target/debug/build/pre-commit-7e1a4a6e6e9eeaf0"
[INFO] [stderr]   looking for root in "/opt/rustwide/target/debug/build"
[INFO] [stderr]   looking for root in "/opt/rustwide/target/debug"
[INFO] [stderr]   looking for root in "/opt/rustwide/target"
[INFO] [stderr]   looking for root in "/opt/rustwide"
[INFO] [stderr]   looking for root in "/opt"
[INFO] [stderr]   looking for root in "/"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Custom { kind: NotFound, error: "Crate root not found" }', build.rs:9:17
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x556f2adbf5bd - std::backtrace_rs::backtrace::libunwind::trace::h22893a5306c091b4
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x556f2adbf5bd - std::backtrace_rs::backtrace::trace_unsynchronized::h29c3bc6f9e91819d
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x556f2adbf5bd - std::sys_common::backtrace::_print_fmt::he497d8a0ec903793
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x556f2adbf5bd - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9c2a9d2774d81873
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x556f2addb03c - core::fmt::write::hba4337c43d992f49
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/core/src/fmt/mod.rs:1194:17
[INFO] [stderr]      5:     0x556f2adbd5e1 - std::io::Write::write_fmt::heb73de6e02cfabed
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/io/mod.rs:1655:15
[INFO] [stderr]      6:     0x556f2adc0d65 - std::sys_common::backtrace::_print::h63c8b24acdd8e8ce
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x556f2adc0d65 - std::sys_common::backtrace::print::h426700d6240cdcc2
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x556f2adc0d65 - std::panicking::default_hook::{{closure}}::hc9a76eed0b18f82b
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x556f2adc0a19 - std::panicking::default_hook::h2e88d02087fae196
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:314:9
[INFO] [stderr]     10:     0x556f2adc12b2 - std::panicking::rust_panic_with_hook::habfdcc2e90f9fd4c
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:698:17
[INFO] [stderr]     11:     0x556f2adc1197 - std::panicking::begin_panic_handler::{{closure}}::he054b2a83a51d2cd
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:588:13
[INFO] [stderr]     12:     0x556f2adbfa74 - std::sys_common::backtrace::__rust_end_short_backtrace::ha48b94ab49b30915
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x556f2adc0ec9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:584:5
[INFO] [stderr]     14:     0x556f2ad62473 - core::panicking::panic_fmt::h366d3a309ae17c94
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/core/src/panicking.rs:143:14
[INFO] [stderr]     15:     0x556f2ad62503 - core::result::unwrap_failed::hddd78f4658ac7d0f
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/core/src/result.rs:1785:5
[INFO] [stderr]     16:     0x556f2ad663d9 - core::result::Result<T,E>::unwrap::hc14d789b7f1f2398
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/core/src/result.rs:1078:23
[INFO] [stderr]     17:     0x556f2ad68bda - build_script_build::main::hc36942e5acd6fa29
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:9:5
[INFO] [stderr]     18:     0x556f2ad6b08b - core::ops::function::FnOnce::call_once::hc8964e6617848c4e
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x556f2ad65c2e - std::sys_common::backtrace::__rust_begin_short_backtrace::h56364a61a5687658
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     20:     0x556f2ad6aea1 - std::rt::lang_start::{{closure}}::h32eba439c46d975c
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/rt.rs:145:18
[INFO] [stderr]     21:     0x556f2adba0de - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::had4f69b3aefb47a8
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x556f2adba0de - std::panicking::try::do_call::hf2ad5355fcafe775
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:492:40
[INFO] [stderr]     23:     0x556f2adba0de - std::panicking::try::h0a63ac363423e61e
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:456:19
[INFO] [stderr]     24:     0x556f2adba0de - std::panic::catch_unwind::h18088edcecb8693a
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panic.rs:137:14
[INFO] [stderr]     25:     0x556f2adba0de - std::rt::lang_start_internal::{{closure}}::ha7dad166dc711761
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/rt.rs:128:48
[INFO] [stderr]     26:     0x556f2adba0de - std::panicking::try::do_call::hda0c61bf3a57d6e6
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:492:40
[INFO] [stderr]     27:     0x556f2adba0de - std::panicking::try::hbc940e68560040a9
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panicking.rs:456:19
[INFO] [stderr]     28:     0x556f2adba0de - std::panic::catch_unwind::haed0df2aeb3fa368
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/panic.rs:137:14
[INFO] [stderr]     29:     0x556f2adba0de - std::rt::lang_start_internal::h9c06694362b5b80c
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/rt.rs:128:20
[INFO] [stderr]     30:     0x556f2ad6ae70 - std::rt::lang_start::h655018e2db0bf135
[INFO] [stderr]                                  at /rustc/fe5b13d681f25ee6474be29d748c65adcd91f69e/library/std/src/rt.rs:144:17
[INFO] [stderr]     31:     0x556f2ad69dec - main
[INFO] [stderr]     32:     0x7f72e8e5c0b3 - __libc_start_main
[INFO] [stderr]     33:     0x556f2ad6266e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "889c2c8d8ddb6e41fd9f4c706a8f312bba2c0480554d38e2da26383107a7c3dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "889c2c8d8ddb6e41fd9f4c706a8f312bba2c0480554d38e2da26383107a7c3dd", kill_on_drop: false }`
[INFO] [stdout] 889c2c8d8ddb6e41fd9f4c706a8f312bba2c0480554d38e2da26383107a7c3dd