[INFO] fetching crate libherokubuildpack 0.1.1... [INFO] testing libherokubuildpack-0.1.1 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate libherokubuildpack 0.1.1 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate libherokubuildpack 0.1.1 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate libherokubuildpack 0.1.1 [INFO] finished tweaking crates.io crate libherokubuildpack 0.1.1 [INFO] tweaked toml for crates.io crate libherokubuildpack 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libcnb v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 14e69f81e62854e8923c17d6137b1a8ea47e953bd7dec6497008eb55e1803f49 [INFO] running `Command { std: "docker" "start" "-a" "14e69f81e62854e8923c17d6137b1a8ea47e953bd7dec6497008eb55e1803f49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "14e69f81e62854e8923c17d6137b1a8ea47e953bd7dec6497008eb55e1803f49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14e69f81e62854e8923c17d6137b1a8ea47e953bd7dec6497008eb55e1803f49", kill_on_drop: false }` [INFO] [stdout] 14e69f81e62854e8923c17d6137b1a8ea47e953bd7dec6497008eb55e1803f49 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d4e44bcd2316fd4649eb6ccce7865fe49ef6093f96a3d3041d6aa279476c7f16 [INFO] running `Command { std: "docker" "start" "-a" "d4e44bcd2316fd4649eb6ccce7865fe49ef6093f96a3d3041d6aa279476c7f16", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling openssl v0.10.36 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling unindent v0.1.7 [INFO] [stderr] Compiling pathdiff v0.2.0 [INFO] [stderr] Compiling tokio v1.11.0 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling openssl-src v111.16.0+1.1.1l [INFO] [stderr] Compiling tracing-core v0.1.19 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling http-body v0.4.3 [INFO] [stderr] Compiling tracing v0.1.26 [INFO] [stderr] Compiling openssl-sys v0.9.66 [INFO] [stderr] Compiling indoc v1.0.3 [INFO] [stderr] Compiling tokio-util v0.6.8 [INFO] [stderr] Compiling h2 v0.3.4 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling thiserror-impl v1.0.29 [INFO] [stderr] Compiling thiserror v1.0.29 [INFO] [stderr] Compiling hyper v0.14.12 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling serde_urlencoded v0.7.0 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Compiling libcnb v0.2.0 [INFO] [stderr] Compiling tokio-native-tls v0.3.0 [INFO] [stderr] Compiling hyper-tls v0.5.0 [INFO] [stderr] Compiling reqwest v0.11.4 [INFO] [stderr] Compiling libherokubuildpack v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 50.66s [INFO] running `Command { std: "docker" "inspect" "d4e44bcd2316fd4649eb6ccce7865fe49ef6093f96a3d3041d6aa279476c7f16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4e44bcd2316fd4649eb6ccce7865fe49ef6093f96a3d3041d6aa279476c7f16", kill_on_drop: false }` [INFO] [stdout] d4e44bcd2316fd4649eb6ccce7865fe49ef6093f96a3d3041d6aa279476c7f16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 857c39740472d3d607c8a15523c0efbfb998eefc0f0b2496bee3aba7c4730a80 [INFO] running `Command { std: "docker" "start" "-a" "857c39740472d3d607c8a15523c0efbfb998eefc0f0b2496bee3aba7c4730a80", kill_on_drop: false }` [INFO] [stderr] Compiling libherokubuildpack v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.10s [INFO] running `Command { std: "docker" "inspect" "857c39740472d3d607c8a15523c0efbfb998eefc0f0b2496bee3aba7c4730a80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "857c39740472d3d607c8a15523c0efbfb998eefc0f0b2496bee3aba7c4730a80", kill_on_drop: false }` [INFO] [stdout] 857c39740472d3d607c8a15523c0efbfb998eefc0f0b2496bee3aba7c4730a80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 34996ddaf05ec70bb5cc77abe06466c1b7bcdb4e3c3440c8ccbb94ab7a1e7cb5 [INFO] running `Command { std: "docker" "start" "-a" "34996ddaf05ec70bb5cc77abe06466c1b7bcdb4e3c3440c8ccbb94ab7a1e7cb5", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/libherokubuildpack-af770975183321ab) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test error::test::test ... ok [INFO] [stdout] test fs::test::test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests libherokubuildpack [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/fs.rs - fs::move_directory_contents (line 8) - compile ... ok [INFO] [stdout] test src/error.rs - error::HerokuBuildpackErrorHandler::new (line 17) ... ok [INFO] [stdout] test src/digest.rs - digest::sha256 (line 10) ... ok [INFO] [stdout] test src/download.rs - download::download_file (line 15) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/download.rs - download::download_file (line 15) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: HttpError(reqwest::Error { kind: Request, url: Url { scheme: "https", cannot_be_a_base: false, username: "", password: None, host: Some(Domain("example.com")), port: None, path: "/", query: None, fragment: None }, source: hyper::Error(Connect, ConnectError("dns error", Custom { kind: Uncategorized, error: "failed to lookup address information: Temporary failure in name resolution" })) })', src/download.rs:11:51 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55f48e6ed45c - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55f48e6ed45c - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55f48e6ed45c - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55f48e6ed45c - ::fmt::h9a78218788c14e18 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55f48e70f28c - core::fmt::write::h3381b3176fe2b3d3 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17 [INFO] [stdout] 5: 0x55f48e6e7ba5 - std::io::Write::write_fmt::h1d5220480c7a2437 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15 [INFO] [stdout] 6: 0x55f48e6ef3f0 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55f48e6ef3f0 - std::sys_common::backtrace::print::hb170c60b542377ad [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55f48e6ef3f0 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50 [INFO] [stdout] 9: 0x55f48e6eefa7 - std::panicking::default_hook::h8c6c66d3f3ba6768 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:227:9 [INFO] [stdout] 10: 0x55f48e6efaa4 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17 [INFO] [stdout] 11: 0x55f48e6ef580 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:521:13 [INFO] [stdout] 12: 0x55f48e6ed924 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55f48e6ef4e9 - rust_begin_unwind [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5 [INFO] [stdout] 14: 0x55f48e09f4f1 - core::panicking::panic_fmt::hf9de31d4acbce4db [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14 [INFO] [stdout] 15: 0x55f48e09f5e3 - core::result::unwrap_failed::ha0c84e81219e5878 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1617:5 [INFO] [stdout] 16: 0x55f48e0a3522 - core::result::Result::unwrap::h4f667c979ffef0a0 [INFO] [stdout] 17: 0x55f48e0a4633 - rust_out::main::_doctest_main_src_download_rs_15_0::h8e3537a3d99d3bf2 [INFO] [stdout] 18: 0x55f48e0a4566 - rust_out::main::h61823b600df25383 [INFO] [stdout] 19: 0x55f48e0a2993 - core::ops::function::FnOnce::call_once::h3d07824a44777914 [INFO] [stdout] 20: 0x55f48e0a1e59 - std::sys_common::backtrace::__rust_begin_short_backtrace::hd0fdc54e9188a18d [INFO] [stdout] 21: 0x55f48e0a2709 - std::rt::lang_start::{{closure}}::hec4f5193e4af3c47 [INFO] [stdout] 22: 0x55f48e6f00aa - core::ops::function::impls:: for &F>::call_once::hc590b210ed55e22f [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 23: 0x55f48e6f00aa - std::panicking::try::do_call::h5f0600b7a33ea1af [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40 [INFO] [stdout] 24: 0x55f48e6f00aa - std::panicking::try::he15826df0f376a33 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19 [INFO] [stdout] 25: 0x55f48e6f00aa - std::panic::catch_unwind::hd8af3a578b6b4c86 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14 [INFO] [stdout] 26: 0x55f48e6f00aa - std::rt::lang_start_internal::{{closure}}::h301d1329324ae1f0 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:45:48 [INFO] [stdout] 27: 0x55f48e6f00aa - std::panicking::try::do_call::h941e8fdb0bd03655 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40 [INFO] [stdout] 28: 0x55f48e6f00aa - std::panicking::try::ha20a77bf65530f63 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19 [INFO] [stdout] 29: 0x55f48e6f00aa - std::panic::catch_unwind::h33afc061cc69ef90 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14 [INFO] [stdout] 30: 0x55f48e6f00aa - std::rt::lang_start_internal::hc05c244593147106 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:45:20 [INFO] [stdout] 31: 0x55f48e0a26e1 - std::rt::lang_start::he85d58294892489a [INFO] [stdout] 32: 0x55f48e0a47a3 - main [INFO] [stdout] 33: 0x7f676eceb0b3 - __libc_start_main [INFO] [stdout] 34: 0x55f48e09fcee - _start [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/download.rs - download::download_file (line 15) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.69s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "34996ddaf05ec70bb5cc77abe06466c1b7bcdb4e3c3440c8ccbb94ab7a1e7cb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34996ddaf05ec70bb5cc77abe06466c1b7bcdb4e3c3440c8ccbb94ab7a1e7cb5", kill_on_drop: false }` [INFO] [stdout] 34996ddaf05ec70bb5cc77abe06466c1b7bcdb4e3c3440c8ccbb94ab7a1e7cb5