[INFO] cloning repository https://github.com/kaikalii/simkc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaikalii/simkc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaikalii%2Fsimkc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaikalii%2Fsimkc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95602fb5f034f0c5a28dfb511fad882c34e35bd4
[INFO] checking kaikalii/simkc against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124305
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaikalii%2Fsimkc" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kaikalii/simkc on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kaikalii/simkc
[INFO] finished tweaking git repo https://github.com/kaikalii/simkc
[INFO] tweaked toml for git repo https://github.com/kaikalii/simkc written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kaikalii/simkc 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "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 kaikalii/simkc against try#44523379467bbd2050af931a040d10c2b764b443 for pr-124305
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaikalii%2Fsimkc" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kaikalii/simkc on toolchain 44523379467bbd2050af931a040d10c2b764b443
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44523379467bbd2050af931a040d10c2b764b443" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kaikalii/simkc
[INFO] finished tweaking git repo https://github.com/kaikalii/simkc
[INFO] tweaked toml for git repo https://github.com/kaikalii/simkc written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kaikalii/simkc 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" "+44523379467bbd2050af931a040d10c2b764b443" "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] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking kaikalii/simkc against try#44523379467bbd2050af931a040d10c2b764b443 for pr-124305
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaikalii%2Fsimkc" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kaikalii/simkc on toolchain 44523379467bbd2050af931a040d10c2b764b443
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44523379467bbd2050af931a040d10c2b764b443" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kaikalii/simkc
[INFO] finished tweaking git repo https://github.com/kaikalii/simkc
[INFO] tweaked toml for git repo https://github.com/kaikalii/simkc written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kaikalii/simkc 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" "+44523379467bbd2050af931a040d10c2b764b443" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.87
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.3
[INFO] [stderr]   Downloaded http v0.1.15
[INFO] [stderr]   Downloaded bincode v1.1.1
[INFO] [stderr]   Downloaded serde v1.0.87
[INFO] [stderr]   Downloaded serde_json v1.0.38
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.6
[INFO] [stderr]   Downloaded stdweb v0.4.14
[INFO] [stderr]   Downloaded yew v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+44523379467bbd2050af931a040d10c2b764b443" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9586aa99c27a98bbe046ae0e64ca7ab2c6058530bdd4cfd01a3a141acc1ac6e6
[INFO] running `Command { std: "docker" "start" "-a" "9586aa99c27a98bbe046ae0e64ca7ab2c6058530bdd4cfd01a3a141acc1ac6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9586aa99c27a98bbe046ae0e64ca7ab2c6058530bdd4cfd01a3a141acc1ac6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9586aa99c27a98bbe046ae0e64ca7ab2c6058530bdd4cfd01a3a141acc1ac6e6", kill_on_drop: false }`
[INFO] [stdout] 9586aa99c27a98bbe046ae0e64ca7ab2c6058530bdd4cfd01a3a141acc1ac6e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+44523379467bbd2050af931a040d10c2b764b443" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b82229f7c97037c08c66f3855cdc40fe69f5b21a515a673de912ac849258709d
[INFO] running `Command { std: "docker" "start" "-a" "b82229f7c97037c08c66f3855cdc40fe69f5b21a515a673de912ac849258709d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling stdweb v0.4.14
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling bincode v1.1.1
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling base-x v0.2.4
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking http v0.1.15
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]    Compiling savisaac_migkairl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr] error: failed to run custom build command for `savisaac_migkairl 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/savisaac_migkairl-b4e00f46abd1fa18/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:5:10:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x557ef7030b05 - std::backtrace_rs::backtrace::libunwind::trace::h2ad30f9d3c5f0d3b
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]      1:     0x557ef7030b05 - std::backtrace_rs::backtrace::trace_unsynchronized::hde1fc0cfaca29244
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x557ef7030b05 - std::sys_common::backtrace::_print_fmt::h5fadb9621a7c91ba
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x557ef7030b05 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h909888e37fe97bc4
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x557ef704e85b - core::fmt::rt::Argument::fmt::h4abaedc2b816fbe9
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]      5:     0x557ef704e85b - core::fmt::write::h21502804c964bac0
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/core/src/fmt/mod.rs:1157:21
[INFO] [stderr]      6:     0x557ef702ebaf - std::io::Write::write_fmt::h33b1e2b586bf8a37
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/std/src/io/mod.rs:1832:15
[INFO] [stderr]      7:     0x557ef70308de - std::sys_common::backtrace::_print::he5ba9f88d40fe9ba
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x557ef70308de - std::sys_common::backtrace::print::hc556c186784ce109
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x557ef7031b99 - std::panicking::default_hook::{{closure}}::he32d365b22fb8ed3
[INFO] [stderr]     10:     0x557ef70318dd - std::panicking::default_hook::h3c3548de781f31a7
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/std/src/panicking.rs:298:9
[INFO] [stderr]     11:     0x557ef7032033 - std::panicking::rust_panic_with_hook::h67c43c094f6c1789
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/std/src/panicking.rs:795:13
[INFO] [stderr]     12:     0x557ef7031f14 - std::panicking::begin_panic_handler::{{closure}}::hbd7acb131df43c4b
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/std/src/panicking.rs:664:13
[INFO] [stderr]     13:     0x557ef7030fc9 - std::sys_common::backtrace::__rust_end_short_backtrace::h79f272fc7d73228d
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x557ef7031c47 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/std/src/panicking.rs:652:5
[INFO] [stderr]     15:     0x557ef7014bf3 - core::panicking::panic_fmt::h3cd792c9f03fa3bc
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x557ef7015006 - core::result::unwrap_failed::h2efda472f5add343
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/core/src/result.rs:1654:5
[INFO] [stderr]     17:     0x557ef7016a9b - build_script_build::main::h030ce2dfea6c7d07
[INFO] [stderr]     18:     0x557ef7015ab3 - core::ops::function::FnOnce::call_once::he940967a864c7f91
[INFO] [stderr]     19:     0x557ef7015356 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4a8b0c55eb7f350f
[INFO] [stderr]     20:     0x557ef7015959 - std::rt::lang_start::{{closure}}::hc9c242d97da1c2f4
[INFO] [stderr]     21:     0x557ef702c926 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h8d67348e39b6eded
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     22:     0x557ef702c926 - std::panicking::try::do_call::he0deb988a9d1835b
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/std/src/panicking.rs:559:40
[INFO] [stderr]     23:     0x557ef702c926 - std::panicking::try::h2ad5a7fbe7794f7f
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/std/src/panicking.rs:523:19
[INFO] [stderr]     24:     0x557ef702c926 - std::panic::catch_unwind::hc6c42c1ec7d0872f
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/std/src/panic.rs:149:14
[INFO] [stderr]     25:     0x557ef702c926 - std::rt::lang_start_internal::{{closure}}::hc38b3d1f87326bb7
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/std/src/rt.rs:141:48
[INFO] [stderr]     26:     0x557ef702c926 - std::panicking::try::do_call::h629a744f47418a31
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/std/src/panicking.rs:559:40
[INFO] [stderr]     27:     0x557ef702c926 - std::panicking::try::h8d0607a988e5cf26
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/std/src/panicking.rs:523:19
[INFO] [stderr]     28:     0x557ef702c926 - std::panic::catch_unwind::h2b2d9ab4939b6116
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/std/src/panic.rs:149:14
[INFO] [stderr]     29:     0x557ef702c926 - std::rt::lang_start_internal::haa8f37edfc0b96ed
[INFO] [stderr]                                  at /rustc/44523379467bbd2050af931a040d10c2b764b443/library/std/src/rt.rs:141:20
[INFO] [stderr]     30:     0x557ef7015937 - std::rt::lang_start::h30bb95678daa4e30
[INFO] [stderr]     31:     0x557ef7016dd5 - main
[INFO] [stderr]     32:     0x7faa156edd90 - <unknown>
[INFO] [stderr]     33:     0x7faa156ede40 - __libc_start_main
[INFO] [stderr]     34:     0x557ef70151e5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b82229f7c97037c08c66f3855cdc40fe69f5b21a515a673de912ac849258709d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b82229f7c97037c08c66f3855cdc40fe69f5b21a515a673de912ac849258709d", kill_on_drop: false }`
[INFO] [stdout] b82229f7c97037c08c66f3855cdc40fe69f5b21a515a673de912ac849258709d