[INFO] crate beep 0.2.1 is already in cache [INFO] testing beep-0.2.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] extracting crate beep 0.2.1 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate beep 0.2.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate beep 0.2.1 [INFO] finished tweaking crates.io crate beep 0.2.1 [INFO] tweaked toml for crates.io crate beep 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"` [INFO] [stdout] a54f9f4f75754efe646bd7a53b79eacd4667c8648d1a16d61dd1d30e58b12c8a [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" "a54f9f4f75754efe646bd7a53b79eacd4667c8648d1a16d61dd1d30e58b12c8a"` [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling dimensioned v0.6.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling generic-array v0.5.1 [INFO] [stderr] Compiling beep v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.75s [INFO] running `"docker" "inspect" "a54f9f4f75754efe646bd7a53b79eacd4667c8648d1a16d61dd1d30e58b12c8a"` [INFO] running `"docker" "rm" "-f" "a54f9f4f75754efe646bd7a53b79eacd4667c8648d1a16d61dd1d30e58b12c8a"` [INFO] [stdout] a54f9f4f75754efe646bd7a53b79eacd4667c8648d1a16d61dd1d30e58b12c8a [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 40f31f2e36643b633ec1ff49515276f0bb11fd059c292450ca93fd495cc8118d [INFO] running `"docker" "start" "-a" "40f31f2e36643b633ec1ff49515276f0bb11fd059c292450ca93fd495cc8118d"` [INFO] [stderr] Compiling beep v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `F` [INFO] [stderr] --> examples/song.rs:13:7 [INFO] [stderr] | [INFO] [stderr] 13 | let F = Hertz::new(2673.0f64); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_F` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `C` should have a snake case name [INFO] [stderr] --> examples/song.rs:10:7 [INFO] [stderr] | [INFO] [stderr] 10 | let C = Hertz::new(2093.0f64); [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `c` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `D` should have a snake case name [INFO] [stderr] --> examples/song.rs:11:7 [INFO] [stderr] | [INFO] [stderr] 11 | let D = Hertz::new(2349.0f64); [INFO] [stderr] | ^ help: convert the identifier to snake case: `d` [INFO] [stderr] [INFO] [stderr] warning: variable `E` should have a snake case name [INFO] [stderr] --> examples/song.rs:12:7 [INFO] [stderr] | [INFO] [stderr] 12 | let E = Hertz::new(2673.0f64); [INFO] [stderr] | ^ help: convert the identifier to snake case: `e` [INFO] [stderr] [INFO] [stderr] warning: variable `F` should have a snake case name [INFO] [stderr] --> examples/song.rs:13:7 [INFO] [stderr] | [INFO] [stderr] 13 | let F = Hertz::new(2673.0f64); [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `f` [INFO] [stderr] [INFO] [stderr] warning: variable `G` should have a snake case name [INFO] [stderr] --> examples/song.rs:14:7 [INFO] [stderr] | [INFO] [stderr] 14 | let G = Hertz::new(3136.0f64); [INFO] [stderr] | ^ help: convert the identifier to snake case: `g` [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `"docker" "inspect" "40f31f2e36643b633ec1ff49515276f0bb11fd059c292450ca93fd495cc8118d"` [INFO] running `"docker" "rm" "-f" "40f31f2e36643b633ec1ff49515276f0bb11fd059c292450ca93fd495cc8118d"` [INFO] [stdout] 40f31f2e36643b633ec1ff49515276f0bb11fd059c292450ca93fd495cc8118d [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4dee029ac38aec186fb5504ce6e2e257a05d077537bdd246d21cfbd81bc642e2 [INFO] running `"docker" "start" "-a" "4dee029ac38aec186fb5504ce6e2e257a05d077537bdd246d21cfbd81bc642e2"` [INFO] [stderr] warning: unused variable: `F` [INFO] [stderr] --> examples/song.rs:13:7 [INFO] [stderr] | [INFO] [stderr] 13 | let F = Hertz::new(2673.0f64); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_F` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `C` should have a snake case name [INFO] [stderr] --> examples/song.rs:10:7 [INFO] [stderr] | [INFO] [stderr] 10 | let C = Hertz::new(2093.0f64); [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `c` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `D` should have a snake case name [INFO] [stderr] --> examples/song.rs:11:7 [INFO] [stderr] | [INFO] [stderr] 11 | let D = Hertz::new(2349.0f64); [INFO] [stderr] | ^ help: convert the identifier to snake case: `d` [INFO] [stderr] [INFO] [stderr] warning: variable `E` should have a snake case name [INFO] [stderr] --> examples/song.rs:12:7 [INFO] [stderr] | [INFO] [stderr] 12 | let E = Hertz::new(2673.0f64); [INFO] [stderr] | ^ help: convert the identifier to snake case: `e` [INFO] [stderr] [INFO] [stderr] warning: variable `F` should have a snake case name [INFO] [stderr] --> examples/song.rs:13:7 [INFO] [stderr] | [INFO] [stderr] 13 | let F = Hertz::new(2673.0f64); [INFO] [stderr] | ^ help: convert the identifier to snake case (notice the capitalization): `f` [INFO] [stderr] [INFO] [stderr] warning: variable `G` should have a snake case name [INFO] [stderr] --> examples/song.rs:14:7 [INFO] [stderr] | [INFO] [stderr] 14 | let G = Hertz::new(3136.0f64); [INFO] [stderr] | ^ help: convert the identifier to snake case: `g` [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/beep-e6d71857efc1b687 [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 beep [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - beep (line 30) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - beep (line 30) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'Could not open /dev/tty0: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/lib.rs:17:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x562e4073bfc4 - backtrace::backtrace::libunwind::trace::hbb4ce8c04526962e [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x562e4073bfc4 - backtrace::backtrace::trace_unsynchronized::h79251c088e7be038 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x562e4073bfc4 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x562e4073bfc4 - ::fmt::h4d51ef07ce58e54b [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x562e40759d5c - core::fmt::write::he16b9c1345d8565e [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x562e4073a7f3 - std::io::Write::write_fmt::h35d873b9ce1f02a8 [INFO] [stdout] at src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x562e4073e4e5 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x562e4073e4e5 - std::sys_common::backtrace::print::h82e606e62781d8af [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x562e4073e4e5 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x562e4073e222 - std::panicking::default_hook::h1b8b42953fdc841d [INFO] [stdout] at src/libstd/panicking.rs:218 [INFO] [stdout] 10: 0x562e4073eaf2 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 11: 0x562e4073e6db - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 12: 0x562e40759141 - core::panicking::panic_fmt::hc8f9a0b2af5fb585 [INFO] [stdout] at src/libcore/panicking.rs:111 [INFO] [stdout] 13: 0x562e40758f63 - core::option::expect_none_failed::ha34d57526cca3063 [INFO] [stdout] at src/libcore/option.rs:1268 [INFO] [stdout] 14: 0x562e40735889 - core::result::Result::expect::h1e24106cd322aaa0 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/result.rs:963 [INFO] [stdout] 15: 0x562e407355cd - ::deref::__static_ref_initialize::hec17f30d18c15db4 [INFO] [stdout] at src/lib.rs:17 [INFO] [stdout] 16: 0x562e407355cd - core::ops::function::FnOnce::call_once::h006fb09569fe6b26 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232 [INFO] [stdout] 17: 0x562e4073669d - lazy_static::lazy::Lazy::get::{{closure}}::h2e65b48e03aa0c09 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:31 [INFO] [stdout] 18: 0x562e40735a25 - std::sync::once::Once::call_once::{{closure}}::h42ba5cd7f7ff5faf [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/sync/once.rs:264 [INFO] [stdout] 19: 0x562e4073bc68 - std::sync::once::Once::call_inner::h6a789aa2471e42cc [INFO] [stdout] at src/libstd/sync/once.rs:416 [INFO] [stdout] 20: 0x562e407359a1 - std::sync::once::Once::call_once::h6d376ec91b8bcac3 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/sync/once.rs:264 [INFO] [stdout] 21: 0x562e407354a2 - lazy_static::lazy::Lazy::get::h4903ac9ba87ed06d [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:30 [INFO] [stdout] 22: 0x562e407354a2 - ::deref::__stability::hf6d21d36e791f147 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:142 [INFO] [stdout] 23: 0x562e407354a2 - ::deref::h6f373183b5205954 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:144 [INFO] [stdout] 24: 0x562e40734b94 - beep::beep::h08709be8e4f9e236 [INFO] [stdout] 25: 0x562e4073530a - rust_out::main::hce5147e828914a17 [INFO] [stdout] 26: 0x562e40734b33 - std::rt::lang_start::{{closure}}::hf139de0a36e0b662 [INFO] [stdout] 27: 0x562e4073ef38 - std::rt::lang_start_internal::{{closure}}::h985f9ad0467016f1 [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 28: 0x562e4073ef38 - std::panicking::try::do_call::hbcbbc645883681bb [INFO] [stdout] at src/libstd/panicking.rs:331 [INFO] [stdout] 29: 0x562e4073ef38 - std::panicking::try::h250f86dc8ee6d054 [INFO] [stdout] at src/libstd/panicking.rs:274 [INFO] [stdout] 30: 0x562e4073ef38 - std::panic::catch_unwind::h58d26ced09bde6c3 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 31: 0x562e4073ef38 - std::rt::lang_start_internal::h7de51dd9f16af454 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 32: 0x562e40734b18 - std::rt::lang_start::hf4fc85a2e0dfc965 [INFO] [stdout] 33: 0x562e407353ab - main [INFO] [stdout] 34: 0x7f66e64c4b97 - __libc_start_main [INFO] [stdout] 35: 0x562e4073498a - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - beep (line 30) [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" "4dee029ac38aec186fb5504ce6e2e257a05d077537bdd246d21cfbd81bc642e2"` [INFO] running `"docker" "rm" "-f" "4dee029ac38aec186fb5504ce6e2e257a05d077537bdd246d21cfbd81bc642e2"` [INFO] [stdout] 4dee029ac38aec186fb5504ce6e2e257a05d077537bdd246d21cfbd81bc642e2