[INFO] fetching crate mnist_read 1.0.1... [INFO] testing mnist_read-1.0.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] extracting crate mnist_read 1.0.1 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate mnist_read 1.0.1 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mnist_read 1.0.1 [INFO] finished tweaking crates.io crate mnist_read 1.0.1 [INFO] tweaked toml for crates.io crate mnist_read 1.0.1 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", 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] 0751bf6f8f5c8772b5c5136b2cefe735ce6f3a3b930c986248856e79296c8864 [INFO] running `Command { std: "docker" "start" "-a" "0751bf6f8f5c8772b5c5136b2cefe735ce6f3a3b930c986248856e79296c8864", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0751bf6f8f5c8772b5c5136b2cefe735ce6f3a3b930c986248856e79296c8864", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0751bf6f8f5c8772b5c5136b2cefe735ce6f3a3b930c986248856e79296c8864", kill_on_drop: false }` [INFO] [stdout] 0751bf6f8f5c8772b5c5136b2cefe735ce6f3a3b930c986248856e79296c8864 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 17a993a4bcfd8a03b583dceca54e3d6ead1c4ec35dcde1e8b8f5e82fef9beb87 [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" "17a993a4bcfd8a03b583dceca54e3d6ead1c4ec35dcde1e8b8f5e82fef9beb87", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Compiling mnist_read v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.70s [INFO] running `Command { std: "docker" "inspect" "17a993a4bcfd8a03b583dceca54e3d6ead1c4ec35dcde1e8b8f5e82fef9beb87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17a993a4bcfd8a03b583dceca54e3d6ead1c4ec35dcde1e8b8f5e82fef9beb87", kill_on_drop: false }` [INFO] [stdout] 17a993a4bcfd8a03b583dceca54e3d6ead1c4ec35dcde1e8b8f5e82fef9beb87 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 767ff6fc391d833d320ba707e296b18caaf6ed2b3b124fce44a74bb38676febf [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" "767ff6fc391d833d320ba707e296b18caaf6ed2b3b124fce44a74bb38676febf", kill_on_drop: false }` [INFO] [stderr] Compiling mnist_read v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "767ff6fc391d833d320ba707e296b18caaf6ed2b3b124fce44a74bb38676febf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "767ff6fc391d833d320ba707e296b18caaf6ed2b3b124fce44a74bb38676febf", kill_on_drop: false }` [INFO] [stdout] 767ff6fc391d833d320ba707e296b18caaf6ed2b3b124fce44a74bb38676febf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 89dcfd6644193606f032b9d2b9f1387048bccb77f1b1ec1f887941bd90dd9b20 [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" "89dcfd6644193606f032b9d2b9f1387048bccb77f1b1ec1f887941bd90dd9b20", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mnist_read-40476135eaaa01cd) [INFO] [stdout] [INFO] [stderr] Doc-tests mnist_read [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lib.rs - read_labels (line 8) ... FAILED [INFO] [stdout] test src/lib.rs - read_data (line 37) ... FAILED [INFO] [stdout] test src/lib.rs - read_labels (line 18) ... FAILED [INFO] [stdout] test src/lib.rs - read_data (line 43) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - read_labels (line 8) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'Couldn't open MNIST labels: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/lib.rs:26:37 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55fb234c3310 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55fb234c3310 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55fb234c3310 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55fb234c3310 - ::fmt::h2a772198c4032452 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55fb234dcbfc - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/fmt/mod.rs:1115:17 [INFO] [stdout] 5: 0x55fb234c1c25 - std::io::Write::write_fmt::h00f38d9eb2c32e02 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/io/mod.rs:1663:15 [INFO] [stdout] 6: 0x55fb234c4f3b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55fb234c4f3b - std::sys_common::backtrace::print::h93b9e9ed2a98e611 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55fb234c4f3b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55fb234c4a11 - std::panicking::default_hook::hdbc8b2951c5afbab [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55fb234c5604 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x55fb234c50e7 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x55fb234c380c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55fb234c5049 - rust_begin_unwind [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x55fb234ade21 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55fb234adeb3 - core::result::unwrap_failed::he898b02f57993c42 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/result.rs:1355:5 [INFO] [stdout] 16: 0x55fb234b4710 - core::result::Result::expect::h3ee936512d11ab59 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/result.rs:997:23 [INFO] [stdout] 17: 0x55fb234b21ca - mnist_read::read_labels::h96018e725d88a0fb [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:26:20 [INFO] [stdout] 18: 0x55fb234af34e - rust_out::main::_doctest_main_src_lib_rs_8_0::ha33fbcb9ed7a01b2 [INFO] [stdout] 19: 0x55fb234af316 - rust_out::main::h61823b600df25383 [INFO] [stdout] 20: 0x55fb234aeb23 - core::ops::function::FnOnce::call_once::h6cb22c19cf103035 [INFO] [stdout] 21: 0x55fb234ae8b9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h755618c0981a0533 [INFO] [stdout] 22: 0x55fb234ae939 - std::rt::lang_start::{{closure}}::h3e3e948d2e1cdd2b [INFO] [stdout] 23: 0x55fb234c5b0a - core::ops::function::impls:: for &F>::call_once::hcbe5785d54a49ce2 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x55fb234c5b0a - std::panicking::try::do_call::h1c15e7ee8563c29d [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40 [INFO] [stdout] 25: 0x55fb234c5b0a - std::panicking::try::hb8b07cef009cb4fc [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19 [INFO] [stdout] 26: 0x55fb234c5b0a - std::panic::catch_unwind::h65a8efbe596bcbb1 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14 [INFO] [stdout] 27: 0x55fb234c5b0a - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:45:48 [INFO] [stdout] 28: 0x55fb234c5b0a - std::panicking::try::do_call::h29cafa65efb3f3f3 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40 [INFO] [stdout] 29: 0x55fb234c5b0a - std::panicking::try::h412fc5378b4dbfc4 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19 [INFO] [stdout] 30: 0x55fb234c5b0a - std::panic::catch_unwind::h555def6aac5bf192 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14 [INFO] [stdout] 31: 0x55fb234c5b0a - std::rt::lang_start_internal::hfff48202d7fee6e3 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:45:20 [INFO] [stdout] 32: 0x55fb234ae911 - std::rt::lang_start::ha47a1fac43a2373f [INFO] [stdout] 33: 0x55fb234af573 - main [INFO] [stdout] 34: 0x7fc92cb0d0b3 - __libc_start_main [INFO] [stdout] 35: 0x55fb234ae5be - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - read_data (line 37) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'Couldn't open MNIST data: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/lib.rs:51:37 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55b9a346d850 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55b9a346d850 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55b9a346d850 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55b9a346d850 - ::fmt::h2a772198c4032452 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55b9a348713c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/fmt/mod.rs:1115:17 [INFO] [stdout] 5: 0x55b9a346c165 - std::io::Write::write_fmt::h00f38d9eb2c32e02 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/io/mod.rs:1663:15 [INFO] [stdout] 6: 0x55b9a346f47b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55b9a346f47b - std::sys_common::backtrace::print::h93b9e9ed2a98e611 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55b9a346f47b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55b9a346ef51 - std::panicking::default_hook::hdbc8b2951c5afbab [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55b9a346fb44 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x55b9a346f627 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x55b9a346dd4c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55b9a346f589 - rust_begin_unwind [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x55b9a3458e21 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55b9a3458eb3 - core::result::unwrap_failed::he898b02f57993c42 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/result.rs:1355:5 [INFO] [stdout] 16: 0x55b9a345e890 - core::result::Result::expect::h3ee936512d11ab59 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/result.rs:997:23 [INFO] [stdout] 17: 0x55b9a345beca - mnist_read::read_data::hfe912118ce371893 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:51:20 [INFO] [stdout] 18: 0x55b9a34599be - rust_out::main::_doctest_main_src_lib_rs_37_0::h2b5a65ba25070d0c [INFO] [stdout] 19: 0x55b9a3459996 - rust_out::main::h61823b600df25383 [INFO] [stdout] 20: 0x55b9a3459873 - core::ops::function::FnOnce::call_once::h6cb22c19cf103035 [INFO] [stdout] 21: 0x55b9a3459689 - std::sys_common::backtrace::__rust_begin_short_backtrace::h755618c0981a0533 [INFO] [stdout] 22: 0x55b9a3459709 - std::rt::lang_start::{{closure}}::h3e3e948d2e1cdd2b [INFO] [stdout] 23: 0x55b9a347004a - core::ops::function::impls:: for &F>::call_once::hcbe5785d54a49ce2 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x55b9a347004a - std::panicking::try::do_call::h1c15e7ee8563c29d [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40 [INFO] [stdout] 25: 0x55b9a347004a - std::panicking::try::hb8b07cef009cb4fc [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19 [INFO] [stdout] 26: 0x55b9a347004a - std::panic::catch_unwind::h65a8efbe596bcbb1 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14 [INFO] [stdout] 27: 0x55b9a347004a - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:45:48 [INFO] [stdout] 28: 0x55b9a347004a - std::panicking::try::do_call::h29cafa65efb3f3f3 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40 [INFO] [stdout] 29: 0x55b9a347004a - std::panicking::try::h412fc5378b4dbfc4 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19 [INFO] [stdout] 30: 0x55b9a347004a - std::panic::catch_unwind::h555def6aac5bf192 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14 [INFO] [stdout] 31: 0x55b9a347004a - std::rt::lang_start_internal::hfff48202d7fee6e3 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:45:20 [INFO] [stdout] 32: 0x55b9a34596e1 - std::rt::lang_start::ha47a1fac43a2373f [INFO] [stdout] 33: 0x55b9a3459ab3 - main [INFO] [stdout] 34: 0x7fb3112e40b3 - __libc_start_main [INFO] [stdout] 35: 0x55b9a34595be - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - read_labels (line 18) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'Couldn't open MNIST labels: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/lib.rs:26:37 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5566f959d200 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x5566f959d200 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5566f959d200 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5566f959d200 - ::fmt::h2a772198c4032452 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x5566f95b6aec - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/fmt/mod.rs:1115:17 [INFO] [stdout] 5: 0x5566f959bb15 - std::io::Write::write_fmt::h00f38d9eb2c32e02 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/io/mod.rs:1663:15 [INFO] [stdout] 6: 0x5566f959ee2b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x5566f959ee2b - std::sys_common::backtrace::print::h93b9e9ed2a98e611 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x5566f959ee2b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x5566f959e901 - std::panicking::default_hook::hdbc8b2951c5afbab [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x5566f959f4f4 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x5566f959efd7 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x5566f959d6fc - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x5566f959ef39 - rust_begin_unwind [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x5566f957ee21 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x5566f957eeb3 - core::result::unwrap_failed::he898b02f57993c42 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/result.rs:1355:5 [INFO] [stdout] 16: 0x5566f958e240 - core::result::Result::expect::h3ee936512d11ab59 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/result.rs:997:23 [INFO] [stdout] 17: 0x5566f958bdba - mnist_read::read_labels::h96018e725d88a0fb [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:26:20 [INFO] [stdout] 18: 0x5566f958426e - rust_out::main::_doctest_main_src_lib_rs_18_0::h3dae40b404b38c92 [INFO] [stdout] 19: 0x5566f9584246 - rust_out::main::h61823b600df25383 [INFO] [stdout] 20: 0x5566f95804c3 - core::ops::function::FnOnce::call_once::h6cb22c19cf103035 [INFO] [stdout] 21: 0x5566f95800c9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h755618c0981a0533 [INFO] [stdout] 22: 0x5566f9580149 - std::rt::lang_start::{{closure}}::h3e3e948d2e1cdd2b [INFO] [stdout] 23: 0x5566f959f9fa - core::ops::function::impls:: for &F>::call_once::hcbe5785d54a49ce2 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x5566f959f9fa - std::panicking::try::do_call::h1c15e7ee8563c29d [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40 [INFO] [stdout] 25: 0x5566f959f9fa - std::panicking::try::hb8b07cef009cb4fc [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19 [INFO] [stdout] 26: 0x5566f959f9fa - std::panic::catch_unwind::h65a8efbe596bcbb1 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14 [INFO] [stdout] 27: 0x5566f959f9fa - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:45:48 [INFO] [stdout] 28: 0x5566f959f9fa - std::panicking::try::do_call::h29cafa65efb3f3f3 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40 [INFO] [stdout] 29: 0x5566f959f9fa - std::panicking::try::h412fc5378b4dbfc4 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19 [INFO] [stdout] 30: 0x5566f959f9fa - std::panic::catch_unwind::h555def6aac5bf192 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14 [INFO] [stdout] 31: 0x5566f959f9fa - std::rt::lang_start_internal::hfff48202d7fee6e3 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:45:20 [INFO] [stdout] 32: 0x5566f9580121 - std::rt::lang_start::ha47a1fac43a2373f [INFO] [stdout] 33: 0x5566f9584483 - main [INFO] [stdout] 34: 0x7f62016200b3 - __libc_start_main [INFO] [stdout] 35: 0x5566f957f5be - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - read_data (line 43) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'Couldn't open MNIST data: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/lib.rs:51:37 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55624d91ed90 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55624d91ed90 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55624d91ed90 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55624d91ed90 - ::fmt::h2a772198c4032452 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55624d93867c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/fmt/mod.rs:1115:17 [INFO] [stdout] 5: 0x55624d91d6a5 - std::io::Write::write_fmt::h00f38d9eb2c32e02 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/io/mod.rs:1663:15 [INFO] [stdout] 6: 0x55624d9209bb - std::sys_common::backtrace::_print::h5b3c171e6f864ae4 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55624d9209bb - std::sys_common::backtrace::print::h93b9e9ed2a98e611 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55624d9209bb - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55624d920491 - std::panicking::default_hook::hdbc8b2951c5afbab [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55624d921084 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x55624d920b67 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x55624d91f28c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55624d920ac9 - rust_begin_unwind [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x55624d900e21 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55624d900eb3 - core::result::unwrap_failed::he898b02f57993c42 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/result.rs:1355:5 [INFO] [stdout] 16: 0x55624d90fdd0 - core::result::Result::expect::h3ee936512d11ab59 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/result.rs:997:23 [INFO] [stdout] 17: 0x55624d90d94a - mnist_read::read_data::hfe912118ce371893 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:51:20 [INFO] [stdout] 18: 0x55624d907856 - rust_out::main::_doctest_main_src_lib_rs_43_0::h74b063428fcf8e52 [INFO] [stdout] 19: 0x55624d907826 - rust_out::main::h61823b600df25383 [INFO] [stdout] 20: 0x55624d9024d3 - core::ops::function::FnOnce::call_once::h6cb22c19cf103035 [INFO] [stdout] 21: 0x55624d9020b9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h755618c0981a0533 [INFO] [stdout] 22: 0x55624d902139 - std::rt::lang_start::{{closure}}::h3e3e948d2e1cdd2b [INFO] [stdout] 23: 0x55624d92158a - core::ops::function::impls:: for &F>::call_once::hcbe5785d54a49ce2 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x55624d92158a - std::panicking::try::do_call::h1c15e7ee8563c29d [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40 [INFO] [stdout] 25: 0x55624d92158a - std::panicking::try::hb8b07cef009cb4fc [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19 [INFO] [stdout] 26: 0x55624d92158a - std::panic::catch_unwind::h65a8efbe596bcbb1 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14 [INFO] [stdout] 27: 0x55624d92158a - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:45:48 [INFO] [stdout] 28: 0x55624d92158a - std::panicking::try::do_call::h29cafa65efb3f3f3 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40 [INFO] [stdout] 29: 0x55624d92158a - std::panicking::try::h412fc5378b4dbfc4 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19 [INFO] [stdout] 30: 0x55624d92158a - std::panic::catch_unwind::h555def6aac5bf192 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14 [INFO] [stdout] 31: 0x55624d92158a - std::rt::lang_start_internal::hfff48202d7fee6e3 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:45:20 [INFO] [stdout] 32: 0x55624d902111 - std::rt::lang_start::ha47a1fac43a2373f [INFO] [stdout] 33: 0x55624d907ad3 - main [INFO] [stdout] 34: 0x7f82fc59c0b3 - __libc_start_main [INFO] [stdout] 35: 0x55624d9015be - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - read_data (line 37) [INFO] [stdout] src/lib.rs - read_data (line 43) [INFO] [stdout] src/lib.rs - read_labels (line 18) [INFO] [stdout] src/lib.rs - read_labels (line 8) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.60s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "89dcfd6644193606f032b9d2b9f1387048bccb77f1b1ec1f887941bd90dd9b20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89dcfd6644193606f032b9d2b9f1387048bccb77f1b1ec1f887941bd90dd9b20", kill_on_drop: false }` [INFO] [stdout] 89dcfd6644193606f032b9d2b9f1387048bccb77f1b1ec1f887941bd90dd9b20