[INFO] updating cached repository emanon-was/rust-tutorial [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/emanon-was/rust-tutorial [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/emanon-was/rust-tutorial" "work/ex/beta-1.37-6/sources/1.36.0/gh/emanon-was/rust-tutorial"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/emanon-was/rust-tutorial'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/emanon-was/rust-tutorial" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/emanon-was/rust-tutorial"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/emanon-was/rust-tutorial'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3eac90c9750772b18dd85516263ac30e819d1e79 [INFO] sha for GitHub repo emanon-was/rust-tutorial: 3eac90c9750772b18dd85516263ac30e819d1e79 [INFO] validating manifest of emanon-was/rust-tutorial 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 emanon-was/rust-tutorial 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 emanon-was/rust-tutorial [INFO] finished frobbing emanon-was/rust-tutorial [INFO] frobbed toml for emanon-was/rust-tutorial written to work/ex/beta-1.37-6/sources/1.36.0/gh/emanon-was/rust-tutorial/Cargo.toml [INFO] started frobbing emanon-was/rust-tutorial [INFO] finished frobbing emanon-was/rust-tutorial [INFO] frobbed toml for emanon-was/rust-tutorial written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/emanon-was/rust-tutorial/Cargo.toml [INFO] crate emanon-was/rust-tutorial already has a lockfile, it will not be regenerated [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 emanon-was/rust-tutorial against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/emanon-was/rust-tutorial:/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 9930d91eae1ef4692a0af3d574df44c3609b93ce8d6b08caef65c6b5213766c2 [INFO] running `"docker" "start" "-a" "9930d91eae1ef4692a0af3d574df44c3609b93ce8d6b08caef65c6b5213766c2"` [INFO] [stderr] Compiling proc-macro2 v0.4.12 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling quote v0.6.6 [INFO] [stderr] Compiling syn v0.14.8 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Compiling jpeg-decoder v0.1.15 [INFO] [stderr] Compiling num-derive v0.2.2 [INFO] [stderr] Compiling image v0.19.0 [INFO] [stderr] Compiling rust-tutorial v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.13s [INFO] running `"docker" "inspect" "9930d91eae1ef4692a0af3d574df44c3609b93ce8d6b08caef65c6b5213766c2"` [INFO] running `"docker" "rm" "-f" "9930d91eae1ef4692a0af3d574df44c3609b93ce8d6b08caef65c6b5213766c2"` [INFO] [stdout] 9930d91eae1ef4692a0af3d574df44c3609b93ce8d6b08caef65c6b5213766c2 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/emanon-was/rust-tutorial:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 5475def25c5822e810b7b2ee9eae9e33cb36da2b421eb82df0cf6830e4876e8d [INFO] running `"docker" "start" "-a" "5475def25c5822e810b7b2ee9eae9e33cb36da2b421eb82df0cf6830e4876e8d"` [INFO] [stderr] Compiling rust-tutorial v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.31s [INFO] running `"docker" "inspect" "5475def25c5822e810b7b2ee9eae9e33cb36da2b421eb82df0cf6830e4876e8d"` [INFO] running `"docker" "rm" "-f" "5475def25c5822e810b7b2ee9eae9e33cb36da2b421eb82df0cf6830e4876e8d"` [INFO] [stdout] 5475def25c5822e810b7b2ee9eae9e33cb36da2b421eb82df0cf6830e4876e8d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/emanon-was/rust-tutorial:/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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 3060e55d9ffcd7686d6afebf7c818bfd24596523b2f7c92f47e8e7c4e3a8ef55 [INFO] running `"docker" "start" "-a" "3060e55d9ffcd7686d6afebf7c818bfd24596523b2f7c92f47e8e7c4e3a8ef55"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_tutorial-e0fdf9dd6b9170c6 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test texture::tests::offset ... ok [INFO] [stdout] test canvas::tests::dimensions ... ok [INFO] [stdout] test canvas::tests::write ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- canvas::tests::write stdout ---- [INFO] [stdout] thread 'canvas::tests::write' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55cf1b3a653b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55cf1b3a653b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55cf1b3a653b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55cf1b3a653b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55cf1b3a653b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x55cf1b3a61aa - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x55cf1b3a6cb0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x55cf1b3a6832 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x55cf1b3a6716 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x55cf1b3bd68d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55cf1b231958 - core::result::unwrap_failed::h31e54313547b08c2 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55cf1b08ad5d - core::result::Result::unwrap::hb3503c86bf8c9ed8 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55cf1b08828d - rust_tutorial::canvas::Canvas::write::h1b1f085f2e6235c8 [INFO] [stdout] at src/canvas.rs:59 [INFO] [stdout] 13: 0x55cf1b08a83c - rust_tutorial::canvas::tests::write::hb5ec9395c1cba364 [INFO] [stdout] at src/canvas.rs:78 [INFO] [stdout] 14: 0x55cf1b08a58a - rust_tutorial::canvas::tests::write::{{closure}}::h1d754c41bf2ca2b8 [INFO] [stdout] at src/canvas.rs:76 [INFO] [stdout] 15: 0x55cf1b088b9e - core::ops::function::FnOnce::call_once::hb93b86546f1ec8c1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55cf1b09603f - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x55cf1b3a934a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x55cf1b0b0638 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x55cf1b0b0638 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x55cf1b0b0638 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x55cf1b08b4b5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x55cf1b08f635 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x55cf1b08f635 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x55cf1b08f635 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x55cf1b3a934a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x55cf1b08fc72 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x55cf1b08fc72 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x55cf1b08fc72 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x55cf1b08fc72 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55cf1b39bd2f - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55cf1b3a8aa0 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x55cf1b3a8aa0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x55cf1b3a8aa0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f76cb57a4a4 - start_thread [INFO] [stdout] 35: 0x7f76cb0a5d0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] canvas::tests::write [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 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" "3060e55d9ffcd7686d6afebf7c818bfd24596523b2f7c92f47e8e7c4e3a8ef55"` [INFO] running `"docker" "rm" "-f" "3060e55d9ffcd7686d6afebf7c818bfd24596523b2f7c92f47e8e7c4e3a8ef55"` [INFO] [stdout] 3060e55d9ffcd7686d6afebf7c818bfd24596523b2f7c92f47e8e7c4e3a8ef55