[INFO] fetching crate maelstrom-go-test 0.12.0...
[INFO] checking maelstrom-go-test-0.12.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate maelstrom-go-test 0.12.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate maelstrom-go-test 0.12.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maelstrom-go-test 0.12.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate maelstrom-go-test 0.12.0
[INFO] tweaked toml for crates.io crate maelstrom-go-test 0.12.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate maelstrom-go-test 0.12.0 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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded maelstrom-worker-child v0.12.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d951a635ff0809a0af87f30b41614f3897aabd6f9412933873f9b7edacd6092
[INFO] running `Command { std: "docker" "start" "-a" "8d951a635ff0809a0af87f30b41614f3897aabd6f9412933873f9b7edacd6092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d951a635ff0809a0af87f30b41614f3897aabd6f9412933873f9b7edacd6092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d951a635ff0809a0af87f30b41614f3897aabd6f9412933873f9b7edacd6092", kill_on_drop: false }`
[INFO] [stdout] 8d951a635ff0809a0af87f30b41614f3897aabd6f9412933873f9b7edacd6092
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4e50fcb586c798a90e6407b42e40512b17d55179aa76a573959fe2764549baf
[INFO] running `Command { std: "docker" "start" "-a" "b4e50fcb586c798a90e6407b42e40512b17d55179aa76a573959fe2764549baf", kill_on_drop: false }`
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[INFO] [stderr]    Compiling cargo_metadata v0.18.1
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling wasm-bindgen-cli-support v0.2.93
[INFO] [stderr]     Checking tungstenite v0.20.1
[INFO] [stderr]     Checking tui-term v0.1.13
[INFO] [stderr]     Checking throbber-widgets-tui v0.7.0
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking unicode-truncate v0.2.0
[INFO] [stderr]     Checking tokio-tungstenite v0.20.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking hyper-tungstenite v0.11.1
[INFO] [stderr]     Checking regex-macro v0.2.0
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking maelstrom-test v0.12.0
[INFO] [stderr]    Compiling maelstrom-plot v0.12.0
[INFO] [stderr]     Checking maelstrom-client-process v0.12.0
[INFO] [stderr]    Compiling maelstrom-web v0.12.0
[INFO] [stderr]     Checking maelstrom-client v0.12.0
[INFO] [stderr]     Checking maelstrom-test-runner v0.12.0
[INFO] [stderr]     Checking maelstrom-go-test v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `maelstrom-web v0.12.0`
[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/maelstrom-web-d12d647e18e5c688/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-web-0.12.0/build.rs:193:70:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: CargoMetadata { stderr: "    Updating crates.io index\nwarning: spurious network error (3 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\nwarning: spurious network error (2 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\nwarning: spurious network error (1 tries remaining): [6] Could not resolve hostname (Could not resolve host: index.crates.io)\nerror: failed to get `cargo_metadata` as a dependency of package `maelstrom-web v0.12.0 (/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/maelstrom-web-0.12.0)`\n\nCaused by:\n  download of config.json failed\n\nCaused by:\n  failed to download from `https://index.crates.io/config.json`\n\nCaused by:\n  [6] Could not resolve hostname (Could not resolve host: index.crates.io)\n" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5e0973c876aa - std::backtrace_rs::backtrace::libunwind::trace::h3d1148b7268e4456
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x5e0973c876aa - std::backtrace_rs::backtrace::trace_unsynchronized::hcd8d8263202addd9
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5e0973c876aa - std::sys::backtrace::_print_fmt::h812e4f55de0da7fc
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5e0973c876aa - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h906dff65e8b7c000
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5e0973cafdf3 - core::fmt::rt::Argument::fmt::hb1625b4525552ddc
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x5e0973cafdf3 - core::fmt::write::h44024895ba49323a
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/core/src/fmt/mod.rs:1189:21
[INFO] [stderr]      6:     0x5e0973c83f73 - std::io::Write::write_fmt::hf3c4d9bb313458e6
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/io/mod.rs:1887:15
[INFO] [stderr]      7:     0x5e0973c874f2 - std::sys::backtrace::BacktraceLock::print::h70dc6513b8f1948d
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x5e0973c8866c - std::panicking::default_hook::{{closure}}::h4e46246c986b21f2
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panicking.rs:268:22
[INFO] [stderr]      9:     0x5e0973c884b2 - std::panicking::default_hook::h149f583b31249354
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panicking.rs:295:9
[INFO] [stderr]     10:     0x5e0973c88ca7 - std::panicking::rust_panic_with_hook::h9f77e00b577fb66f
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panicking.rs:801:13
[INFO] [stderr]     11:     0x5e0973c88b3a - std::panicking::begin_panic_handler::{{closure}}::h05dd299f621afec5
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panicking.rs:674:13
[INFO] [stderr]     12:     0x5e0973c87b89 - std::sys::backtrace::__rust_end_short_backtrace::h1ac5e80eb199b5e7
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x5e0973c887cc - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x5e0973cad360 - core::panicking::panic_fmt::hdb7e6f3ae56c06a6
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/core/src/panicking.rs:76:14
[INFO] [stderr]     15:     0x5e0973cad7e6 - core::result::unwrap_failed::h094f67300ac0751b
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/core/src/result.rs:1699:5
[INFO] [stderr]     16:     0x5e09737831d8 - build_script_build::main::h34780b44f93ee78f
[INFO] [stderr]     17:     0x5e097377d483 - core::ops::function::FnOnce::call_once::hfd3ee83fd3fe07dc
[INFO] [stderr]     18:     0x5e097377c886 - std::sys::backtrace::__rust_begin_short_backtrace::h58f299cb61915b6b
[INFO] [stderr]     19:     0x5e097377c829 - std::rt::lang_start::{{closure}}::h5a9b583138731b04
[INFO] [stderr]     20:     0x5e0973c7ec07 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h9b826323d0f6f52d
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x5e0973c7ec07 - std::panicking::try::do_call::h11b8cb37e889e723
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panicking.rs:557:40
[INFO] [stderr]     22:     0x5e0973c7ec07 - std::panicking::try::h8c0c35eed4b91402
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panicking.rs:520:19
[INFO] [stderr]     23:     0x5e0973c7ec07 - std::panic::catch_unwind::hdd9725084aceebb7
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panic.rs:358:14
[INFO] [stderr]     24:     0x5e0973c7ec07 - std::rt::lang_start_internal::{{closure}}::h70a2b8736f81fb2f
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/rt.rs:174:48
[INFO] [stderr]     25:     0x5e0973c7ec07 - std::panicking::try::do_call::h9dbefce92b360333
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panicking.rs:557:40
[INFO] [stderr]     26:     0x5e0973c7ec07 - std::panicking::try::h69f0829c3d3bd7a7
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panicking.rs:520:19
[INFO] [stderr]     27:     0x5e0973c7ec07 - std::panic::catch_unwind::haf848aa83b38ef16
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/panic.rs:358:14
[INFO] [stderr]     28:     0x5e0973c7ec07 - std::rt::lang_start_internal::ha915624e2796630d
[INFO] [stderr]                                  at /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/std/src/rt.rs:174:20
[INFO] [stderr]     29:     0x5e097377c807 - std::rt::lang_start::h6057339891116a49
[INFO] [stderr]     30:     0x5e0973783605 - main
[INFO] [stderr]     31:     0x7edc61bb8d90 - <unknown>
[INFO] [stderr]     32:     0x7edc61bb8e40 - __libc_start_main
[INFO] [stderr]     33:     0x5e097377b1c5 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "b4e50fcb586c798a90e6407b42e40512b17d55179aa76a573959fe2764549baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4e50fcb586c798a90e6407b42e40512b17d55179aa76a573959fe2764549baf", kill_on_drop: false }`
[INFO] [stdout] b4e50fcb586c798a90e6407b42e40512b17d55179aa76a573959fe2764549baf
