[INFO] crate ko 1.0.3 is already in cache [INFO] testing ko-1.0.3 against 1.45.2 for beta-1.46-1 [INFO] extracting crate ko 1.0.3 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate ko 1.0.3 on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate ko 1.0.3 [INFO] finished tweaking crates.io crate ko 1.0.3 [INFO] tweaked toml for crates.io crate ko 1.0.3 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.45.2" "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] ee3c7647e1b9b5963e603584a2a6ec39280ec5fb22f4140e80a3803c1c7eecdd [INFO] running `Command { std: "docker" "start" "-a" "ee3c7647e1b9b5963e603584a2a6ec39280ec5fb22f4140e80a3803c1c7eecdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ee3c7647e1b9b5963e603584a2a6ec39280ec5fb22f4140e80a3803c1c7eecdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee3c7647e1b9b5963e603584a2a6ec39280ec5fb22f4140e80a3803c1c7eecdd", kill_on_drop: false }` [INFO] [stdout] ee3c7647e1b9b5963e603584a2a6ec39280ec5fb22f4140e80a3803c1c7eecdd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5c11d499abcfb6f1812d3d9413726ef4622cfa748acb20de9cad7bfaf7648934 [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" "5c11d499abcfb6f1812d3d9413726ef4622cfa748acb20de9cad7bfaf7648934", kill_on_drop: false }` [INFO] [stderr] Compiling ko v1.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:97:35 [INFO] [stdout] | [INFO] [stdout] 97 | pub type MiddlewareFunction = Box)>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Vec)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.95s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5c11d499abcfb6f1812d3d9413726ef4622cfa748acb20de9cad7bfaf7648934", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c11d499abcfb6f1812d3d9413726ef4622cfa748acb20de9cad7bfaf7648934", kill_on_drop: false }` [INFO] [stdout] 5c11d499abcfb6f1812d3d9413726ef4622cfa748acb20de9cad7bfaf7648934 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 72b90f3279bcef8543e77dd5e30115081a97400629554ce229fdc7724f28f027 [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" "72b90f3279bcef8543e77dd5e30115081a97400629554ce229fdc7724f28f027", kill_on_drop: false }` [INFO] [stderr] Compiling ko v1.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:97:35 [INFO] [stdout] | [INFO] [stdout] 97 | pub type MiddlewareFunction = Box)>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Vec)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:97:35 [INFO] [stdout] | [INFO] [stdout] 97 | pub type MiddlewareFunction = Box)>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Vec)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.44s [INFO] running `Command { std: "docker" "inspect" "72b90f3279bcef8543e77dd5e30115081a97400629554ce229fdc7724f28f027", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72b90f3279bcef8543e77dd5e30115081a97400629554ce229fdc7724f28f027", kill_on_drop: false }` [INFO] [stdout] 72b90f3279bcef8543e77dd5e30115081a97400629554ce229fdc7724f28f027 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+1.45.2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4cb24902c35c366b0cfdd9f6a89c2017aefc6bbf3bbaaffb378f005dd0e10a9d [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" "4cb24902c35c366b0cfdd9f6a89c2017aefc6bbf3bbaaffb378f005dd0e10a9d", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:97:35 [INFO] [stderr] | [INFO] [stderr] 97 | pub type MiddlewareFunction = Box)>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Vec)` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:97:35 [INFO] [stderr] | [INFO] [stderr] 97 | pub type MiddlewareFunction = Box)>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Vec)` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ko-cfd3880c0945fcbe [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/rustwide/target/debug/deps/integration_tests-5d1ac2b9ea87b28c [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stderr] Doc-tests ko [INFO] [stdout] test it_works ... ok [INFO] [stdout] test ignore_files ... ok [INFO] [stdout] test custom_destination ... ok [INFO] [stdout] test custom_metadata ... ok [INFO] [stdout] test custom_source ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/lib.rs - create_middleware (line 109) ... FAILED [INFO] [stdout] test src/lib.rs - run (line 132) ... ok [INFO] [stdout] test src/lib.rs - SimpleFile (line 76) ... ok [INFO] [stdout] test src/lib.rs - (line 13) ... FAILED [INFO] [stdout] test src/lib.rs - (line 29) ... FAILED [INFO] [stdout] test src/lib.rs - ignore (line 165) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - create_middleware (line 109) 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: Os { code: 30, kind: Other, message: "Read-only file system" }', src/lib.rs:9:1 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x561512554645 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x561512554645 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x561512554645 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x561512554645 - ::fmt::h5fe20777f4174074 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x56151257260c - core::fmt::write::he14c3177144df275 [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x5615125523d3 - std::io::Write::write_fmt::h8e26323bfab8bcc5 [INFO] [stdout] at src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x561512556b50 - std::sys_common::backtrace::_print::h9cfa4c87526ba064 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x561512556b50 - std::sys_common::backtrace::print::h94936584848b3272 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x561512556b50 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x56151255689c - std::panicking::default_hook::h556d8cff6c12a651 [INFO] [stdout] at src/libstd/panicking.rs:218 [INFO] [stdout] 10: 0x561512557137 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5 [INFO] [stdout] at src/libstd/panicking.rs:486 [INFO] [stdout] 11: 0x561512556d3b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:388 [INFO] [stdout] 12: 0x561512571a11 - core::panicking::panic_fmt::h106d7128cbbc7cd2 [INFO] [stdout] at src/libcore/panicking.rs:101 [INFO] [stdout] 13: 0x561512571833 - core::option::expect_none_failed::hfcafefc70a7975bb [INFO] [stdout] at src/libcore/option.rs:1272 [INFO] [stdout] 14: 0x561512522657 - core::result::Result::unwrap::h7fdcf30c754e4ab2 [INFO] [stdout] 15: 0x561512522ece - rust_out::main::hce5147e828914a17 [INFO] [stdout] 16: 0x5615125222e3 - std::rt::lang_start::{{closure}}::hce2334a302f4a64d [INFO] [stdout] 17: 0x561512557508 - std::rt::lang_start_internal::{{closure}}::hefb489d56a389b75 [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 18: 0x561512557508 - std::panicking::try::do_call::hb2bfa58b743656f1 [INFO] [stdout] at src/libstd/panicking.rs:297 [INFO] [stdout] 19: 0x561512557508 - std::panicking::try::haaa85a89ce3784c3 [INFO] [stdout] at src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x561512557508 - std::panic::catch_unwind::h49baa277f74e60cb [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x561512557508 - std::rt::lang_start_internal::h7aa2f6739b31fe58 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 22: 0x5615125222c8 - std::rt::lang_start::h67316abdc649cab9 [INFO] [stdout] 23: 0x561512522fab - main [INFO] [stdout] 24: 0x7f01f04910b3 - __libc_start_main [INFO] [stdout] 25: 0x5615125221ae - _start [INFO] [stdout] 26: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 13) 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: Os { code: 30, kind: Other, message: "Read-only file system" }', src/lib.rs:6:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5632ad4fb7a5 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x5632ad4fb7a5 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5632ad4fb7a5 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x5632ad4fb7a5 - ::fmt::h5fe20777f4174074 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x5632ad51976c - core::fmt::write::he14c3177144df275 [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x5632ad4f9533 - std::io::Write::write_fmt::h8e26323bfab8bcc5 [INFO] [stdout] at src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x5632ad4fdcb0 - std::sys_common::backtrace::_print::h9cfa4c87526ba064 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x5632ad4fdcb0 - std::sys_common::backtrace::print::h94936584848b3272 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x5632ad4fdcb0 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x5632ad4fd9fc - std::panicking::default_hook::h556d8cff6c12a651 [INFO] [stdout] at src/libstd/panicking.rs:218 [INFO] [stdout] 10: 0x5632ad4fe297 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5 [INFO] [stdout] at src/libstd/panicking.rs:486 [INFO] [stdout] 11: 0x5632ad4fde9b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:388 [INFO] [stdout] 12: 0x5632ad518b71 - core::panicking::panic_fmt::h106d7128cbbc7cd2 [INFO] [stdout] at src/libcore/panicking.rs:101 [INFO] [stdout] 13: 0x5632ad518993 - core::option::expect_none_failed::hfcafefc70a7975bb [INFO] [stdout] at src/libcore/option.rs:1272 [INFO] [stdout] 14: 0x5632ad4c96b7 - core::result::Result::unwrap::h7fdcf30c754e4ab2 [INFO] [stdout] 15: 0x5632ad4ca002 - rust_out::main::hce5147e828914a17 [INFO] [stdout] 16: 0x5632ad4c92e3 - std::rt::lang_start::{{closure}}::hce2334a302f4a64d [INFO] [stdout] 17: 0x5632ad4fe668 - std::rt::lang_start_internal::{{closure}}::hefb489d56a389b75 [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 18: 0x5632ad4fe668 - std::panicking::try::do_call::hb2bfa58b743656f1 [INFO] [stdout] at src/libstd/panicking.rs:297 [INFO] [stdout] 19: 0x5632ad4fe668 - std::panicking::try::haaa85a89ce3784c3 [INFO] [stdout] at src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x5632ad4fe668 - std::panic::catch_unwind::h49baa277f74e60cb [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x5632ad4fe668 - std::rt::lang_start_internal::h7aa2f6739b31fe58 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 22: 0x5632ad4c92c8 - std::rt::lang_start::h67316abdc649cab9 [INFO] [stdout] 23: 0x5632ad4ca10b - main [INFO] [stdout] 24: 0x7f7ff61e60b3 - __libc_start_main [INFO] [stdout] 25: 0x5632ad4c91ae - _start [INFO] [stdout] 26: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 29) 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: Os { code: 30, kind: Other, message: "Read-only file system" }', src/lib.rs:6:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x560eed5fbf15 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x560eed5fbf15 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x560eed5fbf15 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x560eed5fbf15 - ::fmt::h5fe20777f4174074 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x560eed619fbc - core::fmt::write::he14c3177144df275 [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x560eed5f9ca3 - std::io::Write::write_fmt::h8e26323bfab8bcc5 [INFO] [stdout] at src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x560eed5fe420 - std::sys_common::backtrace::_print::h9cfa4c87526ba064 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x560eed5fe420 - std::sys_common::backtrace::print::h94936584848b3272 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x560eed5fe420 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x560eed5fe16c - std::panicking::default_hook::h556d8cff6c12a651 [INFO] [stdout] at src/libstd/panicking.rs:218 [INFO] [stdout] 10: 0x560eed5fea07 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5 [INFO] [stdout] at src/libstd/panicking.rs:486 [INFO] [stdout] 11: 0x560eed5fe60b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:388 [INFO] [stdout] 12: 0x560eed6193c1 - core::panicking::panic_fmt::h106d7128cbbc7cd2 [INFO] [stdout] at src/libcore/panicking.rs:101 [INFO] [stdout] 13: 0x560eed6191e3 - core::option::expect_none_failed::hfcafefc70a7975bb [INFO] [stdout] at src/libcore/option.rs:1272 [INFO] [stdout] 14: 0x560eed5c4497 - core::result::Result::unwrap::h7fdcf30c754e4ab2 [INFO] [stdout] 15: 0x560eed5c82b2 - rust_out::main::hce5147e828914a17 [INFO] [stdout] 16: 0x560eed5c3323 - std::rt::lang_start::{{closure}}::hce2334a302f4a64d [INFO] [stdout] 17: 0x560eed5fedd8 - std::rt::lang_start_internal::{{closure}}::hefb489d56a389b75 [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 18: 0x560eed5fedd8 - std::panicking::try::do_call::hb2bfa58b743656f1 [INFO] [stdout] at src/libstd/panicking.rs:297 [INFO] [stdout] 19: 0x560eed5fedd8 - std::panicking::try::haaa85a89ce3784c3 [INFO] [stdout] at src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x560eed5fedd8 - std::panic::catch_unwind::h49baa277f74e60cb [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x560eed5fedd8 - std::rt::lang_start_internal::h7aa2f6739b31fe58 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 22: 0x560eed5c3308 - std::rt::lang_start::h67316abdc649cab9 [INFO] [stdout] 23: 0x560eed5c838b - main [INFO] [stdout] 24: 0x7f195f7ed0b3 - __libc_start_main [INFO] [stdout] 25: 0x560eed5c31ae - _start [INFO] [stdout] 26: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 13) [INFO] [stdout] src/lib.rs - (line 29) [INFO] [stdout] src/lib.rs - create_middleware (line 109) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 3 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "4cb24902c35c366b0cfdd9f6a89c2017aefc6bbf3bbaaffb378f005dd0e10a9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cb24902c35c366b0cfdd9f6a89c2017aefc6bbf3bbaaffb378f005dd0e10a9d", kill_on_drop: false }` [INFO] [stdout] 4cb24902c35c366b0cfdd9f6a89c2017aefc6bbf3bbaaffb378f005dd0e10a9d