[INFO] cloning repository https://github.com/pemistahl/chr [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pemistahl/chr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpemistahl%2Fchr", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpemistahl%2Fchr'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e74d67e4fc2eb6ecb241bb8cc88e658ec9b8ae5b [INFO] checking pemistahl/chr against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpemistahl%2Fchr" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pemistahl/chr on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pemistahl/chr [INFO] finished tweaking git repo https://github.com/pemistahl/chr [INFO] tweaked toml for git repo https://github.com/pemistahl/chr written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/pemistahl/chr already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e61ab0da08e635be05ecd5df5b243b754f1e3de0e26b3b976540e1bb8910afa8 [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" "e61ab0da08e635be05ecd5df5b243b754f1e3de0e26b3b976540e1bb8910afa8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e61ab0da08e635be05ecd5df5b243b754f1e3de0e26b3b976540e1bb8910afa8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e61ab0da08e635be05ecd5df5b243b754f1e3de0e26b3b976540e1bb8910afa8", kill_on_drop: false }` [INFO] [stdout] e61ab0da08e635be05ecd5df5b243b754f1e3de0e26b3b976540e1bb8910afa8 [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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--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] 9be696927e6e7d68e06d1d03af3a712f8e103f10b416f16dbe30ee4d413a9d55 [INFO] running `Command { std: "docker" "start" "-a" "9be696927e6e7d68e06d1d03af3a712f8e103f10b416f16dbe30ee4d413a9d55", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling syn v1.0.33 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling bytes v0.5.5 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling pin-project-internal v0.4.22 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling pin-project-lite v0.1.7 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling tinyvec v0.3.3 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling futures-io v0.3.5 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Compiling openssl-probe v0.1.2 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling try-lock v0.2.2 [INFO] [stderr] Compiling encoding_rs v0.8.23 [INFO] [stderr] Compiling tower-service v0.3.0 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling dtoa v0.4.6 [INFO] [stderr] Compiling mime v0.3.16 [INFO] [stderr] Compiling base64 v0.12.2 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-normalization v0.1.13 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling http v0.2.1 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Compiling indexmap v1.4.0 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling socket2 v0.3.12 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling openssl v0.10.29 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling tokio v0.2.21 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling tokio-tls v0.3.1 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling pin-project v0.4.22 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling h2 v0.2.5 [INFO] [stderr] Compiling hyper v0.13.6 [INFO] [stderr] Compiling hyper-tls v0.4.1 [INFO] [stderr] Compiling reqwest v0.10.6 [INFO] [stderr] Compiling chr v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> build.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | create_dir(&assets_dir); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> build.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | file_data.copy_to(&mut file); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: failed to run custom build command for `chr v0.0.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/chr-c24199e4e38d6e93/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: reqwest::Error { kind: Request, url: "http://ftp.unicode.org/Public/13.0.0/ucd/Blocks.txt", source: hyper::Error(Connect, ConnectError("dns error", Custom { kind: Other, error: "failed to lookup address information: Temporary failure in name resolution" })) }', build.rs:38:69 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5589b9568ed5 - backtrace::backtrace::libunwind::trace::h34afbfad7fd770fc [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x5589b9568ed5 - backtrace::backtrace::trace_unsynchronized::h460d522b1619a600 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5589b9568ed5 - std::sys_common::backtrace::_print_fmt::ha45fac10086813b4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x5589b9568ed5 - ::fmt::hde84f63fcfd0e6de [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5589b958dacc - core::fmt::write::h540ac4a6a1232abc [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x5589b95636b3 - std::io::Write::write_fmt::hc344eafd6e850b4d [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x5589b956b610 - std::sys_common::backtrace::_print::h4db88ff15cb5d61d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5589b956b610 - std::sys_common::backtrace::print::h5fc39e1b1f610bd3 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5589b956b610 - std::panicking::default_hook::{{closure}}::h59e55edacb1d974a [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x5589b956b35c - std::panicking::default_hook::heee4c8016dfbf328 [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x5589b956bc47 - std::panicking::rust_panic_with_hook::h8405b6301c79fb5a [INFO] [stderr] at src/libstd/panicking.rs:473 [INFO] [stderr] 11: 0x5589b956b84b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 12: 0x5589b958c1b1 - core::panicking::panic_fmt::h78830ea6a34e7206 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x5589b958bfd3 - core::option::expect_none_failed::hf79bbb5ca7e09e08 [INFO] [stderr] at src/libcore/option.rs:1274 [INFO] [stderr] 14: 0x5589b918f137 - core::result::Result::unwrap::hb8939861c6db9ab8 [INFO] [stderr] at /rustc/1557fb031b272b4c5bfcc7de5df7eddc7b36a584/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x5589b918db57 - build_script_build::main::h958dbce9538ee106 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:38 [INFO] [stderr] 16: 0x5589b918e38b - std::rt::lang_start::{{closure}}::h2fb08d26a3ead7ca [INFO] [stderr] at /rustc/1557fb031b272b4c5bfcc7de5df7eddc7b36a584/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x5589b956c0d8 - std::rt::lang_start_internal::{{closure}}::h7cea099ad4edf1eb [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x5589b956c0d8 - std::panicking::try::do_call::h42d93372c44025d2 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 19: 0x5589b956c0d8 - std::panicking::try::hb47a4182362d3341 [INFO] [stderr] at src/libstd/panicking.rs:273 [INFO] [stderr] 20: 0x5589b956c0d8 - std::panic::catch_unwind::h2afcfbf3125915b4 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x5589b956c0d8 - std::rt::lang_start_internal::h4f696727fe904f48 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x5589b918e367 - std::rt::lang_start::hb564db5306b8f7fd [INFO] [stderr] at /rustc/1557fb031b272b4c5bfcc7de5df7eddc7b36a584/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x5589b918ddca - main [INFO] [stderr] 24: 0x7f488439a0b3 - __libc_start_main [INFO] [stderr] 25: 0x5589b918d18e - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] [INFO] running `Command { std: "docker" "inspect" "9be696927e6e7d68e06d1d03af3a712f8e103f10b416f16dbe30ee4d413a9d55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9be696927e6e7d68e06d1d03af3a712f8e103f10b416f16dbe30ee4d413a9d55", kill_on_drop: false }` [INFO] [stdout] 9be696927e6e7d68e06d1d03af3a712f8e103f10b416f16dbe30ee4d413a9d55