[INFO] cloning repository https://github.com/digama0/lean-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/digama0/lean-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdigama0%2Flean-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdigama0%2Flean-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae8e756195ccdb93355ab84cd52355816fe4f59d
[INFO] checking digama0/lean-rs against master#e08b80c0fb7667bdcd040761891701e576c42ec8 for pr-129021
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdigama0%2Flean-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/digama0/lean-rs on toolchain e08b80c0fb7667bdcd040761891701e576c42ec8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e08b80c0fb7667bdcd040761891701e576c42ec8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/digama0/lean-rs
[INFO] finished tweaking git repo https://github.com/digama0/lean-rs
[INFO] tweaked toml for git repo https://github.com/digama0/lean-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/digama0/lean-rs 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" "+e08b80c0fb7667bdcd040761891701e576c42ec8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking digama0/lean-rs against try#f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5 for pr-129021
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdigama0%2Flean-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/digama0/lean-rs on toolchain f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/digama0/lean-rs
[INFO] finished tweaking git repo https://github.com/digama0/lean-rs
[INFO] tweaked toml for git repo https://github.com/digama0/lean-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/digama0/lean-rs 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" "+f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/digama0/lean-sys.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking digama0/lean-rs against try#f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5 for pr-129021
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdigama0%2Flean-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/digama0/lean-rs on toolchain f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/digama0/lean-rs
[INFO] finished tweaking git repo https://github.com/digama0/lean-rs
[INFO] tweaked toml for git repo https://github.com/digama0/lean-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/digama0/lean-rs 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" "+f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c87445824c341096b00d5029264f1b6b5f775eb58fe45377a8bde2be66e3aef7
[INFO] running `Command { std: "docker" "start" "-a" "c87445824c341096b00d5029264f1b6b5f775eb58fe45377a8bde2be66e3aef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c87445824c341096b00d5029264f1b6b5f775eb58fe45377a8bde2be66e3aef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c87445824c341096b00d5029264f1b6b5f775eb58fe45377a8bde2be66e3aef7", kill_on_drop: false }`
[INFO] [stdout] c87445824c341096b00d5029264f1b6b5f775eb58fe45377a8bde2be66e3aef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4134dae335917d061f008224cd78cf1b02b575af42de525c181028d810830a37
[INFO] running `Command { std: "docker" "start" "-a" "4134dae335917d061f008224cd78cf1b02b575af42de525c181028d810830a37", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling lean-sys v0.0.6 (https://github.com/digama0/lean-sys.git#b09c21af)
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling lean-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `lean-sys v0.0.6 (https://github.com/digama0/lean-sys.git#b09c21af)`
[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/lean-sys-6a8b44baaeb5c494/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/git/checkouts/lean-sys-ffa5db7c43d6f58d/b09c21a/build.rs:17:10:
[INFO] [stderr]   Failed to execute lean: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x560322a41bed - std::backtrace_rs::backtrace::libunwind::trace::he4cee25a8d06265a
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x560322a41bed - std::backtrace_rs::backtrace::trace_unsynchronized::hf9235b7798eb2158
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x560322a41bed - std::sys::backtrace::_print_fmt::he2134a4ba8ab27d0
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x560322a41bed - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hc0043eba5fc24579
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x560322a6271b - core::fmt::rt::Argument::fmt::h29fa861097ad3a93
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x560322a6271b - core::fmt::write::h119838c2e7959d9b
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/core/src/fmt/mod.rs:1178:21
[INFO] [stderr]      6:     0x560322a3f043 - std::io::Write::write_fmt::hfa2e2de491a0de11
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/std/src/io/mod.rs:1823:15
[INFO] [stderr]      7:     0x560322a42da2 - std::sys::backtrace::BacktraceLock::print::h87110b56d9ea99e0
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x560322a42da2 - std::panicking::default_hook::{{closure}}::h67a38549bf1323c7
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/std/src/panicking.rs:266:22
[INFO] [stderr]      9:     0x560322a42a0e - std::panicking::default_hook::he1e0d2f15cf34183
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/std/src/panicking.rs:293:9
[INFO] [stderr]     10:     0x560322a435bf - std::panicking::rust_panic_with_hook::h15929aae27d0f045
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/std/src/panicking.rs:797:13
[INFO] [stderr]     11:     0x560322a43337 - std::panicking::begin_panic_handler::{{closure}}::h69bf721404af2a2a
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/std/src/panicking.rs:671:13
[INFO] [stderr]     12:     0x560322a420d9 - std::sys::backtrace::__rust_end_short_backtrace::h3fed1e72c8b129f7
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x560322a42fc4 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/std/src/panicking.rs:662:5
[INFO] [stderr]     14:     0x560322a61903 - core::panicking::panic_fmt::h33f74dc0a6a31044
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/core/src/panicking.rs:74:14
[INFO] [stderr]     15:     0x560322a61cf6 - core::result::unwrap_failed::he5e4d9364ae01ee8
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/core/src/result.rs:1679:5
[INFO] [stderr]     16:     0x560322a18d6e - core::result::Result<T,E>::expect::hb8ead7dcef2fdd01
[INFO] [stderr]     17:     0x560322a1ca2a - build_script_build::main::hc5971580e1f1cd6d
[INFO] [stderr]     18:     0x560322a17893 - core::ops::function::FnOnce::call_once::hd5a08184705420d7
[INFO] [stderr]     19:     0x560322a1a896 - std::sys::backtrace::__rust_begin_short_backtrace::h62cee3eeb5ca215b
[INFO] [stderr]     20:     0x560322a1a7c9 - std::rt::lang_start::{{closure}}::hf7772a795755a60a
[INFO] [stderr]     21:     0x560322a3ba10 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h92aa37e0ef791ae1
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     22:     0x560322a3ba10 - std::panicking::try::do_call::h4ca0a700beb1eab4
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/std/src/panicking.rs:554:40
[INFO] [stderr]     23:     0x560322a3ba10 - std::panicking::try::h1534ad97285e32d2
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/std/src/panicking.rs:518:19
[INFO] [stderr]     24:     0x560322a3ba10 - std::panic::catch_unwind::h077d1b505dc85c28
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/std/src/panic.rs:345:14
[INFO] [stderr]     25:     0x560322a3ba10 - std::rt::lang_start_internal::{{closure}}::h460e26d7094b64ad
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/std/src/rt.rs:143:48
[INFO] [stderr]     26:     0x560322a3ba10 - std::panicking::try::do_call::h558aefb0689bf5d5
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/std/src/panicking.rs:554:40
[INFO] [stderr]     27:     0x560322a3ba10 - std::panicking::try::hcea343d2eb398509
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/std/src/panicking.rs:518:19
[INFO] [stderr]     28:     0x560322a3ba10 - std::panic::catch_unwind::h69ac9919aad235d2
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/std/src/panic.rs:345:14
[INFO] [stderr]     29:     0x560322a3ba10 - std::rt::lang_start_internal::h49518067bf91a8e4
[INFO] [stderr]                                  at /rustc/f781a78d815e6a304bf6061b8a8fa69d7ce8dfd5/library/std/src/rt.rs:143:20
[INFO] [stderr]     30:     0x560322a1a7a7 - std::rt::lang_start::hef28844ef767820c
[INFO] [stderr]     31:     0x560322a1d565 - main
[INFO] [stderr]     32:     0x7f4214261d90 - <unknown>
[INFO] [stderr]     33:     0x7f4214261e40 - __libc_start_main
[INFO] [stderr]     34:     0x560322a16b55 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4134dae335917d061f008224cd78cf1b02b575af42de525c181028d810830a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4134dae335917d061f008224cd78cf1b02b575af42de525c181028d810830a37", kill_on_drop: false }`
[INFO] [stdout] 4134dae335917d061f008224cd78cf1b02b575af42de525c181028d810830a37