[INFO] fetching crate qr2cairo 0.1.0... [INFO] testing qr2cairo-0.1.0 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate qr2cairo 0.1.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate qr2cairo 0.1.0 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate qr2cairo 0.1.0 [INFO] finished tweaking crates.io crate qr2cairo 0.1.0 [INFO] tweaked toml for crates.io crate qr2cairo 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] efdd498ae02a019ebfa731616c062d6fbf5178c52caaa70ed5bcd9936d971950 [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" "efdd498ae02a019ebfa731616c062d6fbf5178c52caaa70ed5bcd9936d971950", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "efdd498ae02a019ebfa731616c062d6fbf5178c52caaa70ed5bcd9936d971950", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efdd498ae02a019ebfa731616c062d6fbf5178c52caaa70ed5bcd9936d971950", kill_on_drop: false }` [INFO] [stdout] efdd498ae02a019ebfa731616c062d6fbf5178c52caaa70ed5bcd9936d971950 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--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] 4fbe892e690fbc3a087bbb282a9ccecd4825e9ca41dc8df60d59aa8d4b47aed1 [INFO] running `Command { std: "docker" "start" "-a" "4fbe892e690fbc3a087bbb282a9ccecd4825e9ca41dc8df60d59aa8d4b47aed1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.57 [INFO] [stderr] Compiling cairo-rs v0.9.1 [INFO] [stderr] Compiling checked_int_cast v1.0.0 [INFO] [stderr] Compiling futures-task v0.3.8 [INFO] [stderr] Compiling futures-channel v0.3.8 [INFO] [stderr] Compiling qrcode v0.12.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling thiserror-impl v1.0.23 [INFO] [stderr] Compiling strum_macros v0.18.0 [INFO] [stderr] Compiling pin-project-internal v1.0.2 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling glib-macros v0.10.1 [INFO] [stderr] Compiling thiserror v1.0.23 [INFO] [stderr] Compiling system-deps v1.3.2 [INFO] [stderr] Compiling pin-project v1.0.2 [INFO] [stderr] Compiling futures-util v0.3.8 [INFO] [stderr] Compiling glib-sys v0.10.1 [INFO] [stderr] Compiling gobject-sys v0.10.0 [INFO] [stderr] Compiling cairo-sys-rs v0.10.0 [INFO] [stderr] Compiling futures-executor v0.3.8 [INFO] [stderr] Compiling glib v0.10.3 [INFO] [stderr] Compiling qr2cairo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 44.27s [INFO] running `Command { std: "docker" "inspect" "4fbe892e690fbc3a087bbb282a9ccecd4825e9ca41dc8df60d59aa8d4b47aed1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fbe892e690fbc3a087bbb282a9ccecd4825e9ca41dc8df60d59aa8d4b47aed1", kill_on_drop: false }` [INFO] [stdout] 4fbe892e690fbc3a087bbb282a9ccecd4825e9ca41dc8df60d59aa8d4b47aed1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 05331c98655056cbb8f33d9a36437f712179d1b708cfb10b8c975815a4d4e651 [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" "05331c98655056cbb8f33d9a36437f712179d1b708cfb10b8c975815a4d4e651", kill_on_drop: false }` [INFO] [stderr] Compiling qr2cairo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "05331c98655056cbb8f33d9a36437f712179d1b708cfb10b8c975815a4d4e651", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05331c98655056cbb8f33d9a36437f712179d1b708cfb10b8c975815a4d4e651", kill_on_drop: false }` [INFO] [stdout] 05331c98655056cbb8f33d9a36437f712179d1b708cfb10b8c975815a4d4e651 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d6aafdfe91e37b2b7448df8e837678af67d2fd0d68e5f48c9b193b14db1f2424 [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" "d6aafdfe91e37b2b7448df8e837678af67d2fd0d68e5f48c9b193b14db1f2424", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/qr2cairo-3b2cc3b5c4300806 [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests qr2cairo [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 12) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 12) 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: WriteError', src/lib.rs:4:67 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55ff1f347ac7 - std::backtrace_rs::backtrace::libunwind::trace::hcd6e187547b8deec [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55ff1f347ac7 - std::backtrace_rs::backtrace::trace_unsynchronized::hde10036eb783fbc7 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55ff1f347ac7 - std::sys_common::backtrace::_print_fmt::h63987b8f86dfc82a [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55ff1f347ac7 - ::fmt::hc33f3ac4cc9c4196 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55ff1f35e31c - core::fmt::write::hfdcdeb08fb2b3afa [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/fmt/mod.rs:1078:17 [INFO] [stdout] 5: 0x55ff1f345ef2 - std::io::Write::write_fmt::h83a843778fa2a815 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/io/mod.rs:1519:15 [INFO] [stdout] 6: 0x55ff1f349805 - std::sys_common::backtrace::_print::hf179508b01f66878 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55ff1f349805 - std::sys_common::backtrace::print::ha97d11adb39266a6 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55ff1f349805 - std::panicking::default_hook::{{closure}}::h8da9985a98bd1582 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55ff1f34935a - std::panicking::default_hook::hbc0ee792993c2ef2 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55ff1f349fa1 - std::panicking::rust_panic_with_hook::h9fb9cda33a10f084 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:591:17 [INFO] [stdout] 11: 0x55ff1f349ae7 - std::panicking::begin_panic_handler::{{closure}}::hf3e83396e085962e [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:497:13 [INFO] [stdout] 12: 0x55ff1f347f8c - std::sys_common::backtrace::__rust_end_short_backtrace::hac151ac4c1e3252d [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55ff1f349a49 - rust_begin_unwind [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:493:5 [INFO] [stdout] 14: 0x55ff1f35d6f1 - core::panicking::panic_fmt::hf6d8a92b065b8f97 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55ff1f35d513 - core::option::expect_none_failed::ha72f299eca314ad7 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/option.rs:1268:5 [INFO] [stdout] 16: 0x55ff1f30450c - core::result::Result::unwrap::h5febdf659ae3fc5e [INFO] [stdout] 17: 0x55ff1f30495d - rust_out::main::_doctest_main_src_lib_rs_12_0::h2c8fc85ee39841fd [INFO] [stdout] 18: 0x55ff1f3048f6 - rust_out::main::h405f65324f7b53be [INFO] [stdout] 19: 0x55ff1f304423 - core::ops::function::FnOnce::call_once::h2f28b12db24480a4 [INFO] [stdout] 20: 0x55ff1f3041f9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7ff69755847bac0f [INFO] [stdout] 21: 0x55ff1f304289 - std::rt::lang_start::{{closure}}::h8f8fe4b1b4c3ba44 [INFO] [stdout] 22: 0x55ff1f34a3c7 - core::ops::function::impls:: for &F>::call_once::hb5ab992a536e3d7c [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 23: 0x55ff1f34a3c7 - std::panicking::try::do_call::h1bda883686bc1816 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:379:40 [INFO] [stdout] 24: 0x55ff1f34a3c7 - std::panicking::try::ha7167c079f243e71 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:343:19 [INFO] [stdout] 25: 0x55ff1f34a3c7 - std::panic::catch_unwind::he11c3de53f0b5853 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:396:14 [INFO] [stdout] 26: 0x55ff1f34a3c7 - std::rt::lang_start_internal::h45c3666b51d25060 [INFO] [stdout] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:51:25 [INFO] [stdout] 27: 0x55ff1f304268 - std::rt::lang_start::hd3cc8db4b735f367 [INFO] [stdout] 28: 0x55ff1f304a6b - main [INFO] [stdout] 29: 0x7f97458340b3 - __libc_start_main [INFO] [stdout] 30: 0x55ff1f3040ae - _start [INFO] [stdout] 31: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 12) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.54s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "d6aafdfe91e37b2b7448df8e837678af67d2fd0d68e5f48c9b193b14db1f2424", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6aafdfe91e37b2b7448df8e837678af67d2fd0d68e5f48c9b193b14db1f2424", kill_on_drop: false }` [INFO] [stdout] d6aafdfe91e37b2b7448df8e837678af67d2fd0d68e5f48c9b193b14db1f2424