[INFO] crate qr-generator 0.1.2 is already in cache [INFO] testing qr-generator-0.1.2 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate qr-generator 0.1.2 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate qr-generator 0.1.2 on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate qr-generator 0.1.2 [INFO] finished tweaking crates.io crate qr-generator 0.1.2 [INFO] tweaked toml for crates.io crate qr-generator 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ca10682fd86041ca2cc4d3344e84b6bb4070136019fade144eb9202f95f23dbe [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" "ca10682fd86041ca2cc4d3344e84b6bb4070136019fade144eb9202f95f23dbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca10682fd86041ca2cc4d3344e84b6bb4070136019fade144eb9202f95f23dbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca10682fd86041ca2cc4d3344e84b6bb4070136019fade144eb9202f95f23dbe", kill_on_drop: false }` [INFO] [stdout] ca10682fd86041ca2cc4d3344e84b6bb4070136019fade144eb9202f95f23dbe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 46a65108a98d786810ff289e2fcdf313656c4a4f38e78e6ff044685b48d437ee [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" "46a65108a98d786810ff289e2fcdf313656c4a4f38e78e6ff044685b48d437ee", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.7.1 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling checked_int_cast v1.0.0 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling gif v0.10.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling png v0.15.3 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling tiff v0.3.1 [INFO] [stderr] Compiling jpeg-decoder v0.1.20 [INFO] [stderr] Compiling image v0.22.5 [INFO] [stderr] Compiling qrcode v0.11.2 [INFO] [stderr] Compiling qr-generator v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 42.35s [INFO] running `Command { std: "docker" "inspect" "46a65108a98d786810ff289e2fcdf313656c4a4f38e78e6ff044685b48d437ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46a65108a98d786810ff289e2fcdf313656c4a4f38e78e6ff044685b48d437ee", kill_on_drop: false }` [INFO] [stdout] 46a65108a98d786810ff289e2fcdf313656c4a4f38e78e6ff044685b48d437ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", 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] 583973b74c35de3f65ddf82b2be49b7e2689d26c7618382cc44f9485c5ff332b [INFO] running `Command { std: "docker" "start" "-a" "583973b74c35de3f65ddf82b2be49b7e2689d26c7618382cc44f9485c5ff332b", kill_on_drop: false }` [INFO] [stderr] Compiling qr-generator v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.13s [INFO] running `Command { std: "docker" "inspect" "583973b74c35de3f65ddf82b2be49b7e2689d26c7618382cc44f9485c5ff332b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "583973b74c35de3f65ddf82b2be49b7e2689d26c7618382cc44f9485c5ff332b", kill_on_drop: false }` [INFO] [stdout] 583973b74c35de3f65ddf82b2be49b7e2689d26c7618382cc44f9485c5ff332b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9ba72374e5254138bf34a8572de6be2d3677ef246d5ed8913993a9a921b42686 [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" "9ba72374e5254138bf34a8572de6be2d3677ef246d5ed8913993a9a921b42686", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/qr_generator-421541523647a248 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::test_calculate_hash ... ok [INFO] [stdout] test tests::test_generate ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::test_generate stdout ---- [INFO] [stdout] thread 'tests::test_generate' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/lib.rs:43:28 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x562c873ae075 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x562c873ae075 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x562c873ae075 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x562c873ae075 - ::fmt::hdb4a83d2b61107e5 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x562c873d61ac - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x562c8728f025 - std::io::Write::write_fmt::hd8ff364c7845d2d0 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x562c873a8561 - std::io::impls::>::write_fmt::h1c057ef6e8762996 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x562c873b07d0 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x562c873b07d0 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x562c873b07d0 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x562c873b04ca - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 11: 0x562c873b0e13 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stdout] at src/libstd/panicking.rs:526 [INFO] [stdout] 12: 0x562c873b0a0b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:437 [INFO] [stdout] 13: 0x562c873d4b41 - core::panicking::panic_fmt::h17139c2000299725 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 14: 0x562c873d4963 - core::option::expect_none_failed::h972f96abb4ec8952 [INFO] [stdout] at src/libcore/option.rs:1269 [INFO] [stdout] 15: 0x562c8728c340 - core::result::Result::unwrap::hba7798dd12874aca [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/result.rs:1005 [INFO] [stdout] 16: 0x562c8728c002 - qr_generator::generate::hc2a1e3aeac5f5104 [INFO] [stdout] at src/lib.rs:43 [INFO] [stdout] 17: 0x562c8728d470 - qr_generator::tests::test_generate::hf057038c98367b69 [INFO] [stdout] at src/lib.rs:59 [INFO] [stdout] 18: 0x562c8728d3ba - qr_generator::tests::test_generate::{{closure}}::h61cf5c2530e79337 [INFO] [stdout] at src/lib.rs:55 [INFO] [stdout] 19: 0x562c8728c43e - core::ops::function::FnOnce::call_once::h923a3e9202e800dc [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/ops/function.rs:233 [INFO] [stdout] 20: 0x562c872b659c - as core::ops::function::FnOnce>::call_once::h42148c33ed88c979 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stdout] 21: 0x562c872b659c - as core::ops::function::FnOnce<()>>::call_once::h759dc0b09d774665 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:318 [INFO] [stdout] 22: 0x562c872b659c - std::panicking::try::do_call::h676ad1fc9e9badea [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:348 [INFO] [stdout] 23: 0x562c872b659c - std::panicking::try::hee36a8727a3050b0 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:325 [INFO] [stdout] 24: 0x562c872b659c - std::panic::catch_unwind::hd5d426ebd89b2542 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:394 [INFO] [stdout] 25: 0x562c872b659c - test::run_test_in_process::h8dacdba4dc4cbaa5 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 26: 0x562c872b659c - test::run_test::run_test_inner::{{closure}}::hf93754afad6be40f [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 27: 0x562c8728e516 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2c69fab544a90730 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 28: 0x562c872935a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hcf302fafa60d80f2 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:475 [INFO] [stdout] 29: 0x562c872935a5 - as core::ops::function::FnOnce<()>>::call_once::h39ede710608e817e [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:318 [INFO] [stdout] 30: 0x562c872935a5 - std::panicking::try::do_call::hec0b4d2faa46fbf7 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:348 [INFO] [stdout] 31: 0x562c872935a5 - std::panicking::try::h0144ba3f2539803d [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:325 [INFO] [stdout] 32: 0x562c872935a5 - std::panic::catch_unwind::ha03e59eb589f857b [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:394 [INFO] [stdout] 33: 0x562c872935a5 - std::thread::Builder::spawn_unchecked::{{closure}}::hdeba34620a4a7a44 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:474 [INFO] [stdout] 34: 0x562c872935a5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h552693dbb801eadd [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/ops/function.rs:233 [INFO] [stdout] 35: 0x562c873b6fda - as core::ops::function::FnOnce>::call_once::h61c24496ae624ac5 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stdout] 36: 0x562c873b6fda - as core::ops::function::FnOnce>::call_once::h89548957afa14049 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stdout] 37: 0x562c873b6fda - std::sys::unix::thread::Thread::new::thread_start::h73903fbbff5b990e [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 38: 0x7f6c1ea1d609 - start_thread [INFO] [stdout] 39: 0x7f6c1e929103 - __clone [INFO] [stdout] 40: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::test_generate [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `Command { std: "docker" "inspect" "9ba72374e5254138bf34a8572de6be2d3677ef246d5ed8913993a9a921b42686", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ba72374e5254138bf34a8572de6be2d3677ef246d5ed8913993a9a921b42686", kill_on_drop: false }` [INFO] [stdout] 9ba72374e5254138bf34a8572de6be2d3677ef246d5ed8913993a9a921b42686