[INFO] cloning repository https://github.com/SunDoge/leetcode-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SunDoge/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSunDoge%2Fleetcode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSunDoge%2Fleetcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91c97aa06fbb6258e3b20677add34e23ea61c44f
[INFO] checking SunDoge/leetcode-rust against master#73252d51d13c0e4f872c3c51defcf48174860ef6 for pr-119989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSunDoge%2Fleetcode-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SunDoge/leetcode-rust on toolchain 73252d51d13c0e4f872c3c51defcf48174860ef6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+73252d51d13c0e4f872c3c51defcf48174860ef6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SunDoge/leetcode-rust
[INFO] finished tweaking git repo https://github.com/SunDoge/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/SunDoge/leetcode-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SunDoge/leetcode-rust 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" "+73252d51d13c0e4f872c3c51defcf48174860ef6" "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 SunDoge/leetcode-rust against try#5d004039df46bb665b8ed6385386e3b1b007a6a8 for pr-119989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSunDoge%2Fleetcode-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SunDoge/leetcode-rust on toolchain 5d004039df46bb665b8ed6385386e3b1b007a6a8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5d004039df46bb665b8ed6385386e3b1b007a6a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SunDoge/leetcode-rust
[INFO] finished tweaking git repo https://github.com/SunDoge/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/SunDoge/leetcode-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/SunDoge/leetcode-rust 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" "+5d004039df46bb665b8ed6385386e3b1b007a6a8" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking SunDoge/leetcode-rust against try#5d004039df46bb665b8ed6385386e3b1b007a6a8 for pr-119989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSunDoge%2Fleetcode-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SunDoge/leetcode-rust on toolchain 5d004039df46bb665b8ed6385386e3b1b007a6a8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5d004039df46bb665b8ed6385386e3b1b007a6a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SunDoge/leetcode-rust
[INFO] finished tweaking git repo https://github.com/SunDoge/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/SunDoge/leetcode-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/SunDoge/leetcode-rust 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" "+5d004039df46bb665b8ed6385386e3b1b007a6a8" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5d004039df46bb665b8ed6385386e3b1b007a6a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a81697300818a2124c5789ea14edfb1094f63c5ff88494fc155bb8bcce6c41c9
[INFO] running `Command { std: "docker" "start" "-a" "a81697300818a2124c5789ea14edfb1094f63c5ff88494fc155bb8bcce6c41c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a81697300818a2124c5789ea14edfb1094f63c5ff88494fc155bb8bcce6c41c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a81697300818a2124c5789ea14edfb1094f63c5ff88494fc155bb8bcce6c41c9", kill_on_drop: false }`
[INFO] [stdout] a81697300818a2124c5789ea14edfb1094f63c5ff88494fc155bb8bcce6c41c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5d004039df46bb665b8ed6385386e3b1b007a6a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65a9d948931e036846d500515667098049e3c4c44016fde0ec802ec9fc9b26a5
[INFO] running `Command { std: "docker" "start" "-a" "65a9d948931e036846d500515667098049e3c4c44016fde0ec802ec9fc9b26a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `leetcode-rust 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/leetcode-rust-df498901c02862e4/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:10:10:
[INFO] [stderr]   Fail to generage README.md: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x556ae3a15586 - std::backtrace_rs::backtrace::libunwind::trace::h4d0ba3d40caa88a8
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x556ae3a15586 - std::backtrace_rs::backtrace::trace_unsynchronized::haf388e9e8173c24d
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x556ae3a15586 - std::sys_common::backtrace::_print_fmt::he36bc2d416e32339
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x556ae3a15586 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h97227c48ffabe27b
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x556ae3a37280 - core::fmt::rt::Argument::fmt::h3b0543e08099dc03
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x556ae3a37280 - core::fmt::write::hc3e9818e1ec32dad
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x556ae3a136df - std::io::Write::write_fmt::h7e81c717e96691dc
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/std/src/io/mod.rs:1810:15
[INFO] [stderr]      7:     0x556ae3a15364 - std::sys_common::backtrace::_print::h9fce7447faff7493
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x556ae3a15364 - std::sys_common::backtrace::print::hf7ddeacfaf50a648
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x556ae3a168c7 - std::panicking::default_hook::{{closure}}::hd09e7233497be8df
[INFO] [stderr]     10:     0x556ae3a16629 - std::panicking::default_hook::h43b90fabe2c8d557
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x556ae3a16d58 - std::panicking::rust_panic_with_hook::h136eb948e467237a
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/std/src/panicking.rs:781:13
[INFO] [stderr]     12:     0x556ae3a16c32 - std::panicking::begin_panic_handler::{{closure}}::h923b89cd632ce586
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/std/src/panicking.rs:659:13
[INFO] [stderr]     13:     0x556ae3a15a86 - std::sys_common::backtrace::__rust_end_short_backtrace::h9cb571ebc7694e3e
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x556ae3a16990 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/std/src/panicking.rs:647:5
[INFO] [stderr]     15:     0x556ae39f3e45 - core::panicking::panic_fmt::hab0f4770ea19c7cb
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x556ae39f42b3 - core::result::unwrap_failed::hd7c87b6105464883
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/core/src/result.rs:1649:5
[INFO] [stderr]     17:     0x556ae39f57fc - core::result::Result<T,E>::expect::h01cb95696ca7cf63
[INFO] [stderr]     18:     0x556ae39f72a6 - build_script_build::main::h966b5bf9401dce44
[INFO] [stderr]     19:     0x556ae39f4f13 - core::ops::function::FnOnce::call_once::h03745c9f93d8ab38
[INFO] [stderr]     20:     0x556ae39f4976 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2edb34dcaa050b6c
[INFO] [stderr]     21:     0x556ae39f4dd9 - std::rt::lang_start::{{closure}}::h002b5969b4b5c1ff
[INFO] [stderr]     22:     0x556ae3a10c71 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb6c6243c768c2802
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x556ae3a10c71 - std::panicking::try::do_call::h62966ca7fac51262
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/std/src/panicking.rs:554:40
[INFO] [stderr]     24:     0x556ae3a10c71 - std::panicking::try::h9eefc25fc05f84c8
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/std/src/panicking.rs:518:19
[INFO] [stderr]     25:     0x556ae3a10c71 - std::panic::catch_unwind::h31dadab608c58a39
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/std/src/panic.rs:142:14
[INFO] [stderr]     26:     0x556ae3a10c71 - std::rt::lang_start_internal::{{closure}}::h042de4872e745913
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/std/src/rt.rs:148:48
[INFO] [stderr]     27:     0x556ae3a10c71 - std::panicking::try::do_call::h166f534983e42562
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/std/src/panicking.rs:554:40
[INFO] [stderr]     28:     0x556ae3a10c71 - std::panicking::try::h7bc3c46bff1a2692
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/std/src/panicking.rs:518:19
[INFO] [stderr]     29:     0x556ae3a10c71 - std::panic::catch_unwind::hb403034f1628a002
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/std/src/panic.rs:142:14
[INFO] [stderr]     30:     0x556ae3a10c71 - std::rt::lang_start_internal::h18cabacdf8b72ac4
[INFO] [stderr]                                  at /rustc/5d004039df46bb665b8ed6385386e3b1b007a6a8/library/std/src/rt.rs:148:20
[INFO] [stderr]     31:     0x556ae39f4db7 - std::rt::lang_start::h274a98ad9848fa94
[INFO] [stderr]     32:     0x556ae39f7325 - main
[INFO] [stderr]     33:     0x7f7e2c547d90 - <unknown>
[INFO] [stderr]     34:     0x7f7e2c547e40 - __libc_start_main
[INFO] [stderr]     35:     0x556ae39f4575 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "65a9d948931e036846d500515667098049e3c4c44016fde0ec802ec9fc9b26a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a9d948931e036846d500515667098049e3c4c44016fde0ec802ec9fc9b26a5", kill_on_drop: false }`
[INFO] [stdout] 65a9d948931e036846d500515667098049e3c4c44016fde0ec802ec9fc9b26a5