[INFO] crate openmetrics 0.2.1 is already in cache [INFO] testing openmetrics-0.2.1 against 1.44.0 for beta-1.45-1 [INFO] extracting crate openmetrics 0.2.1 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate openmetrics 0.2.1 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate openmetrics 0.2.1 [INFO] finished tweaking crates.io crate openmetrics 0.2.1 [INFO] tweaked toml for crates.io crate openmetrics 0.2.1 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ccb7c414107bfbc437cc233868e9935d53c63ec13c1571be17fe49e1b2fc0079 [INFO] running `"docker" "start" "-a" "ccb7c414107bfbc437cc233868e9935d53c63ec13c1571be17fe49e1b2fc0079"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling openmetrics v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `metric_name` [INFO] [stderr] --> src/metrics.rs:80:12 [INFO] [stderr] | [INFO] [stderr] 80 | pub fn add(metric_name: &str, metric_text: &str) -> Label { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_name` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metric_name` [INFO] [stderr] --> src/metrics.rs:24:16 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn add(metric_name: &str, metric_text: &str) -> Label { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metric_name` [INFO] [stderr] --> src/metrics.rs:61:28 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn new_with_metric(metric_name: &str, metric_text: &str) -> Self { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metric_text` [INFO] [stderr] --> src/metrics.rs:61:47 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn new_with_metric(metric_name: &str, metric_text: &str) -> Self { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_text` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.09s [INFO] running `"docker" "inspect" "ccb7c414107bfbc437cc233868e9935d53c63ec13c1571be17fe49e1b2fc0079"` [INFO] running `"docker" "rm" "-f" "ccb7c414107bfbc437cc233868e9935d53c63ec13c1571be17fe49e1b2fc0079"` [INFO] [stdout] ccb7c414107bfbc437cc233868e9935d53c63ec13c1571be17fe49e1b2fc0079 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3431693c292a2ad1151204990e5002e3ff1b8cdce3c3a032015b460d5a40c667 [INFO] running `"docker" "start" "-a" "3431693c292a2ad1151204990e5002e3ff1b8cdce3c3a032015b460d5a40c667"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling openmetrics v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `metric_name` [INFO] [stderr] --> src/metrics.rs:80:12 [INFO] [stderr] | [INFO] [stderr] 80 | pub fn add(metric_name: &str, metric_text: &str) -> Label { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_name` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metric_name` [INFO] [stderr] --> src/metrics.rs:24:16 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn add(metric_name: &str, metric_text: &str) -> Label { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metric_name` [INFO] [stderr] --> src/metrics.rs:61:28 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn new_with_metric(metric_name: &str, metric_text: &str) -> Self { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metric_text` [INFO] [stderr] --> src/metrics.rs:61:47 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn new_with_metric(metric_name: &str, metric_text: &str) -> Self { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_text` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metric_name` [INFO] [stderr] --> src/metrics.rs:80:12 [INFO] [stderr] | [INFO] [stderr] 80 | pub fn add(metric_name: &str, metric_text: &str) -> Label { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_name` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metric_name` [INFO] [stderr] --> src/metrics.rs:24:16 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn add(metric_name: &str, metric_text: &str) -> Label { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metric_name` [INFO] [stderr] --> src/metrics.rs:61:28 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn new_with_metric(metric_name: &str, metric_text: &str) -> Self { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metric_text` [INFO] [stderr] --> src/metrics.rs:61:47 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn new_with_metric(metric_name: &str, metric_text: &str) -> Self { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_text` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.27s [INFO] running `"docker" "inspect" "3431693c292a2ad1151204990e5002e3ff1b8cdce3c3a032015b460d5a40c667"` [INFO] running `"docker" "rm" "-f" "3431693c292a2ad1151204990e5002e3ff1b8cdce3c3a032015b460d5a40c667"` [INFO] [stdout] 3431693c292a2ad1151204990e5002e3ff1b8cdce3c3a032015b460d5a40c667 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stdout] 3356cd35fc1715d2d35e0a6a3f20cc76a2f77ade7573d2f2cf3abf6e6144c934 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "3356cd35fc1715d2d35e0a6a3f20cc76a2f77ade7573d2f2cf3abf6e6144c934"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused variable: `metric_name` [INFO] [stderr] --> src/metrics.rs:80:12 [INFO] [stderr] | [INFO] [stderr] 80 | pub fn add(metric_name: &str, metric_text: &str) -> Label { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_name` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metric_name` [INFO] [stderr] --> src/metrics.rs:24:16 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn add(metric_name: &str, metric_text: &str) -> Label { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metric_name` [INFO] [stderr] --> src/metrics.rs:61:28 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn new_with_metric(metric_name: &str, metric_text: &str) -> Self { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metric_text` [INFO] [stderr] --> src/metrics.rs:61:47 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn new_with_metric(metric_name: &str, metric_text: &str) -> Self { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_text` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metric_name` [INFO] [stderr] --> src/metrics.rs:80:12 [INFO] [stderr] | [INFO] [stderr] 80 | pub fn add(metric_name: &str, metric_text: &str) -> Label { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_name` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metric_name` [INFO] [stderr] --> src/metrics.rs:24:16 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn add(metric_name: &str, metric_text: &str) -> Label { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metric_name` [INFO] [stderr] --> src/metrics.rs:61:28 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn new_with_metric(metric_name: &str, metric_text: &str) -> Self { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metric_text` [INFO] [stderr] --> src/metrics.rs:61:47 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn new_with_metric(metric_name: &str, metric_text: &str) -> Self { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metric_text` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/openmetrics-af04b10ab6835921 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests openmetrics [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 14) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 14) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'cannot read file!: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/lib.rs:13:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x555abbc18874 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x555abbc18874 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x555abbc18874 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x555abbc18874 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x555abbc36ebc - core::fmt::write::hdaea18585065a96d [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x555abbc16d93 - std::io::Write::write_fmt::h0cea70c809005252 [INFO] [stdout] at src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x555abbc1ae15 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x555abbc1ae15 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x555abbc1ae15 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x555abbc1ab52 - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stdout] at src/libstd/panicking.rs:218 [INFO] [stdout] 10: 0x555abbc1b422 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 11: 0x555abbc1b00b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 12: 0x555abbc35ff1 - core::panicking::panic_fmt::h1ac71ad045d55416 [INFO] [stdout] at src/libcore/panicking.rs:111 [INFO] [stdout] 13: 0x555abbc35e13 - core::option::expect_none_failed::hb40004d71d61b685 [INFO] [stdout] at src/libcore/option.rs:1268 [INFO] [stdout] 14: 0x555abbbccb9f - core::result::Result::expect::h8c07b625f046f33a [INFO] [stdout] 15: 0x555abbbcd093 - rust_out::main::hce5147e828914a17 [INFO] [stdout] 16: 0x555abbbcc413 - std::rt::lang_start::{{closure}}::hb15f61f8249547b1 [INFO] [stdout] 17: 0x555abbc1b868 - std::rt::lang_start_internal::{{closure}}::h7a212202ff76034b [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 18: 0x555abbc1b868 - std::panicking::try::do_call::h6d214a73427d759b [INFO] [stdout] at src/libstd/panicking.rs:331 [INFO] [stdout] 19: 0x555abbc1b868 - std::panicking::try::hc078f0e11721d1cb [INFO] [stdout] at src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x555abbc1b868 - std::panic::catch_unwind::hb31c05be30625612 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x555abbc1b868 - std::rt::lang_start_internal::hcf7fb98a775d5af0 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 22: 0x555abbbcc3f8 - std::rt::lang_start::h80cabc1387d7a5d8 [INFO] [stdout] 23: 0x555abbbcd1cb - main [INFO] [stdout] 24: 0x7fda098d40b3 - __libc_start_main [INFO] [stdout] 25: 0x555abbbcc18e - _start [INFO] [stdout] 26: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 14) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "3356cd35fc1715d2d35e0a6a3f20cc76a2f77ade7573d2f2cf3abf6e6144c934"` [INFO] running `"docker" "rm" "-f" "3356cd35fc1715d2d35e0a6a3f20cc76a2f77ade7573d2f2cf3abf6e6144c934"` [INFO] [stdout] 3356cd35fc1715d2d35e0a6a3f20cc76a2f77ade7573d2f2cf3abf6e6144c934