[INFO] crate beep 0.2.1 is already in cache [INFO] testing beep-0.2.1 against 1.44.0 for beta-1.45-1 [INFO] extracting crate beep 0.2.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate beep 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 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-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] add893e0f044fc70e4bd3cf779b2f51d715d0ba376f23ad04373077a6194e5e2 [INFO] running `"docker" "start" "-a" "add893e0f044fc70e4bd3cf779b2f51d715d0ba376f23ad04373077a6194e5e2"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling dimensioned v0.6.0 [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 8.40s [INFO] running `"docker" "inspect" "add893e0f044fc70e4bd3cf779b2f51d715d0ba376f23ad04373077a6194e5e2"` [INFO] running `"docker" "rm" "-f" "add893e0f044fc70e4bd3cf779b2f51d715d0ba376f23ad04373077a6194e5e2"` [INFO] [stdout] add893e0f044fc70e4bd3cf779b2f51d715d0ba376f23ad04373077a6194e5e2 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 89a00adb26f1a60f451f0ebb6ef4cf7aa3465823d064c3e87bb343c7eb39274b [INFO] running `"docker" "start" "-a" "89a00adb26f1a60f451f0ebb6ef4cf7aa3465823d064c3e87bb343c7eb39274b"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [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 0.82s [INFO] running `"docker" "inspect" "89a00adb26f1a60f451f0ebb6ef4cf7aa3465823d064c3e87bb343c7eb39274b"` [INFO] running `"docker" "rm" "-f" "89a00adb26f1a60f451f0ebb6ef4cf7aa3465823d064c3e87bb343c7eb39274b"` [INFO] [stdout] 89a00adb26f1a60f451f0ebb6ef4cf7aa3465823d064c3e87bb343c7eb39274b [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] eacf2928c7531f1862716bfa1a14c98ceaa7c5ca629a3c5d49e9240b6c4694ab [INFO] running `"docker" "start" "-a" "eacf2928c7531f1862716bfa1a14c98ceaa7c5ca629a3c5d49e9240b6c4694ab"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [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 0.04s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/beep-f85d143d0c79b782 [INFO] [stderr] Doc-tests beep [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] [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: 0x5643ffcd0744 - 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: 0x5643ffcd0744 - 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: 0x5643ffcd0744 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x5643ffcd0744 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x5643ffcee4dc - core::fmt::write::hdaea18585065a96d [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x5643ffccef43 - std::io::Write::write_fmt::h0cea70c809005252 [INFO] [stdout] at src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x5643ffcd2c65 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x5643ffcd2c65 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x5643ffcd2c65 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x5643ffcd29a2 - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stdout] at src/libstd/panicking.rs:218 [INFO] [stdout] 10: 0x5643ffcd3272 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 11: 0x5643ffcd2e5b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 12: 0x5643ffced8c1 - core::panicking::panic_fmt::h1ac71ad045d55416 [INFO] [stdout] at src/libcore/panicking.rs:111 [INFO] [stdout] 13: 0x5643ffced6e3 - core::option::expect_none_failed::hb40004d71d61b685 [INFO] [stdout] at src/libcore/option.rs:1268 [INFO] [stdout] 14: 0x5643ffcca059 - core::result::Result::expect::hc5274e3f9616b702 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/result.rs:963 [INFO] [stdout] 15: 0x5643ffcc9d9d - ::deref::__static_ref_initialize::h37e32ce3338cfbc3 [INFO] [stdout] at src/lib.rs:17 [INFO] [stdout] 16: 0x5643ffcc9d9d - core::ops::function::FnOnce::call_once::h202d601f4fdaf6c1 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stdout] 17: 0x5643ffccadfd - lazy_static::lazy::Lazy::get::{{closure}}::h604030512acc8026 [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: 0x5643ffcca1f5 - std::sync::once::Once::call_once::{{closure}}::hdaaf43abcdac4b08 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sync/once.rs:264 [INFO] [stdout] 19: 0x5643ffcd03e8 - std::sync::once::Once::call_inner::ha1f24ba5265f953b [INFO] [stdout] at src/libstd/sync/once.rs:416 [INFO] [stdout] 20: 0x5643ffcca171 - std::sync::once::Once::call_once::hf69cab3b76bcc1cf [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sync/once.rs:264 [INFO] [stdout] 21: 0x5643ffcc9c72 - lazy_static::lazy::Lazy::get::he8e6b0452ab61c5f [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: 0x5643ffcc9c72 - ::deref::__stability::h33502acf976d79f0 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:142 [INFO] [stdout] 23: 0x5643ffcc9c72 - ::deref::heb4ba83a55b76d78 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:144 [INFO] [stdout] 24: 0x5643ffcc9364 - beep::beep::h0261ac775201cb72 [INFO] [stdout] 25: 0x5643ffcc9ada - rust_out::main::hce5147e828914a17 [INFO] [stdout] 26: 0x5643ffcc9303 - std::rt::lang_start::{{closure}}::hb15f61f8249547b1 [INFO] [stdout] 27: 0x5643ffcd36b8 - std::rt::lang_start_internal::{{closure}}::h7a212202ff76034b [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 28: 0x5643ffcd36b8 - std::panicking::try::do_call::h6d214a73427d759b [INFO] [stdout] at src/libstd/panicking.rs:331 [INFO] [stdout] 29: 0x5643ffcd36b8 - std::panicking::try::hc078f0e11721d1cb [INFO] [stdout] at src/libstd/panicking.rs:274 [INFO] [stdout] 30: 0x5643ffcd36b8 - std::panic::catch_unwind::hb31c05be30625612 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 31: 0x5643ffcd36b8 - std::rt::lang_start_internal::hcf7fb98a775d5af0 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 32: 0x5643ffcc92e8 - std::rt::lang_start::h80cabc1387d7a5d8 [INFO] [stdout] 33: 0x5643ffcc9b7b - main [INFO] [stdout] 34: 0x7f1390c820b3 - __libc_start_main [INFO] [stdout] 35: 0x5643ffcc917e - _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" "eacf2928c7531f1862716bfa1a14c98ceaa7c5ca629a3c5d49e9240b6c4694ab"` [INFO] running `"docker" "rm" "-f" "eacf2928c7531f1862716bfa1a14c98ceaa7c5ca629a3c5d49e9240b6c4694ab"` [INFO] [stdout] eacf2928c7531f1862716bfa1a14c98ceaa7c5ca629a3c5d49e9240b6c4694ab