[INFO] crate artifact_lib 0.2.1 is already in cache [INFO] extracting crate artifact_lib 0.2.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/artifact_lib/0.2.1 [INFO] extracting crate artifact_lib 0.2.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/artifact_lib/0.2.1 [INFO] validating manifest of artifact_lib-0.2.1 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of artifact_lib-0.2.1 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing artifact_lib-0.2.1 [INFO] finished frobbing artifact_lib-0.2.1 [INFO] frobbed toml for artifact_lib-0.2.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/artifact_lib/0.2.1/Cargo.toml [INFO] started frobbing artifact_lib-0.2.1 [INFO] finished frobbing artifact_lib-0.2.1 [INFO] frobbed toml for artifact_lib-0.2.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/artifact_lib/0.2.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing artifact_lib-0.2.1 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/artifact_lib/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 16f03ce0706801b6e8755741ea7ec8e2191a434d46064af3c9050677011f266c [INFO] running `"docker" "start" "-a" "16f03ce0706801b6e8755741ea7ec8e2191a434d46064af3c9050677011f266c"` [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling utf-8 v0.7.5 [INFO] [stderr] Compiling html5ever v0.22.5 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling tendril v0.4.1 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling serde_json v1.0.40 [INFO] [stderr] Compiling serde_urlencoded v0.5.5 [INFO] [stderr] Compiling markup5ever v0.7.5 [INFO] [stderr] Compiling cookie_store v0.7.0 [INFO] [stderr] Compiling reqwest v0.9.19 [INFO] [stderr] Compiling ammonia v1.2.0 [INFO] [stderr] Compiling artifact_serde v0.2.1 [INFO] [stderr] Compiling artifact_lib v0.2.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 01s [INFO] running `"docker" "inspect" "16f03ce0706801b6e8755741ea7ec8e2191a434d46064af3c9050677011f266c"` [INFO] running `"docker" "rm" "-f" "16f03ce0706801b6e8755741ea7ec8e2191a434d46064af3c9050677011f266c"` [INFO] [stdout] 16f03ce0706801b6e8755741ea7ec8e2191a434d46064af3c9050677011f266c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/artifact_lib/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] a6e9ad7cf8b18b01b7d1250cca9554bff36eb07b5585ec9daa77b2db9ba50f6e [INFO] running `"docker" "start" "-a" "a6e9ad7cf8b18b01b7d1250cca9554bff36eb07b5585ec9daa77b2db9ba50f6e"` [INFO] [stderr] Compiling artifact_lib v0.2.1 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `my_deck` [INFO] [stderr] --> src/lib.rs:426:13 [INFO] [stderr] | [INFO] [stderr] 426 | let my_deck = my_artifact.get_deck(my_adc); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_my_deck` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.13s [INFO] running `"docker" "inspect" "a6e9ad7cf8b18b01b7d1250cca9554bff36eb07b5585ec9daa77b2db9ba50f6e"` [INFO] running `"docker" "rm" "-f" "a6e9ad7cf8b18b01b7d1250cca9554bff36eb07b5585ec9daa77b2db9ba50f6e"` [INFO] [stdout] a6e9ad7cf8b18b01b7d1250cca9554bff36eb07b5585ec9daa77b2db9ba50f6e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/artifact_lib/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 4c8803b499c596c5ca65580212adbdc3b925a2b70032adea4ae5b320ad222f0c [INFO] running `"docker" "start" "-a" "4c8803b499c596c5ca65580212adbdc3b925a2b70032adea4ae5b320ad222f0c"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.33s [INFO] [stderr] Running /opt/crater/target/debug/deps/artifact_lib-1b949f1e7de4d2b1 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] test tests::test_artifact ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::test_artifact stdout ---- [INFO] [stdout] thread 'tests::test_artifact' panicked at 'called `Result::unwrap()` on an `Err` value: "Error reading or creating directory: \"/home/crates-build-env/.cache/artifact_lib\", No such file or directory (os error 2)"', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x564f3d6a8d63 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x564f3d6a3ccb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x564f3d6a7116 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x564f3d6a6e3e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x564f3d6a781f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x564f3d6a73a1 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x564f3d6a7285 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:308 [INFO] [stdout] 7: 0x564f3d6bf6dc - core::panicking::panic_fmt::hc4f83bfed80aeabd [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 8: 0x564f3d374907 - core::result::unwrap_failed::hd7c807b05e6809be [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18 [INFO] [stdout] 9: 0x564f3ce40872 - core::result::Result::unwrap::h7f8f1fa41a81ef27 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800 [INFO] [stdout] 10: 0x564f3cd870d0 - artifact_lib::Artifact::new::h5bd5b3468853a535 [INFO] [stdout] at src/lib.rs:200 [INFO] [stdout] 11: 0x564f3ce1a880 - artifact_lib::tests::test_artifact::hc1fc4dc87bffcaea [INFO] [stdout] at src/lib.rs:416 [INFO] [stdout] 12: 0x564f3ce1a859 - artifact_lib::tests::test_artifact::{{closure}}::h00693ac5be785363 [INFO] [stdout] at src/lib.rs:415 [INFO] [stdout] 13: 0x564f3ce1143d - core::ops::function::FnOnce::call_once::h002a01342d23f0fd [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 14: 0x564f3ce4cace - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 15: 0x564f3d6ab8f9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 16: 0x564f3ce673c7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 17: 0x564f3ce41de4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 18: 0x564f3ce45e94 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 19: 0x564f3d6ab8f9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 20: 0x564f3ce464a1 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 21: 0x564f3d6988de - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 22: 0x564f3d6aac2f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 23: 0x7fdc71f454a3 - start_thread [INFO] [stdout] 24: 0x7fdc71a70d0e - __clone [INFO] [stdout] 25: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::test_artifact [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "4c8803b499c596c5ca65580212adbdc3b925a2b70032adea4ae5b320ad222f0c"` [INFO] running `"docker" "rm" "-f" "4c8803b499c596c5ca65580212adbdc3b925a2b70032adea4ae5b320ad222f0c"` [INFO] [stdout] 4c8803b499c596c5ca65580212adbdc3b925a2b70032adea4ae5b320ad222f0c